1. Indium Phosphide (InP) Wafers/Epitaxy
Source Critical for optical products (lasers, photodetectors); produced in internal fabs and sourced externally (IQE investment).
Confidence: high
MTSI
T3MACOM Technology Solutions Holdings, Inc.
Loading chart…
OverviewMACOM Technology Solutions creates specialized semiconductor chips for high-speed data and radio signals. These components power advanced radar, satellite netwo
MACOM Technology Solutions creates specialized semiconductor chips for high-speed data and radio signals. These components power advanced radar, satellite networks, and critical data center connectivity. Revenue is split among data centers (around 40%), industrial and defense (around 39%), and telecom (around 21%). They sell to major defense contractors, large cloud providers, and phone network equipment makers.
Key Inputs And Sourcing
2. Gallium Nitride (GaN) Wafers/Epitaxy
Source Key material for RF power and defense ICs; used in GaN ICs and GaN-on-silicon carbide production.
Confidence: high
3. Silicon Carbide (SiC) Substrates
Source Used in conjunction with GaN for millimeter wave production.
Confidence: high
4. Skilled Labor (Engineers, Fab Technicians)
Source Significant investment in R&D and manufacturing teams, including chip designers and fab engineers.
Confidence: high
5. Electricity/Utilities
Source Explicitly mentioned as a rising input cost.
Confidence: high
6. General Raw Materials
Source Costs are generally increasing across the board.
Confidence: high
7. Advanced Packaging Materials
Source Used for high-density interconnects (flip chip, bump chip, through silicon via technologies).
Confidence: medium
8. Gold/Precious Metals
Source Mentioned as a rising cost factor impacting margins.
Confidence: medium
Industry Publications
- LightCounting (lightcounting.com) — Monitors global optical transceiver market revenue for AI/Data Centers and Co-Packaged Optics (CPO) market revenue, directly relevant to MACOM's Data Center growth.
- Omdia (omdia.tech.informatech.com) — Provides market research on optical transceivers, CPO, and broader semiconductor trends, offering insights into MACOM's key markets.
- Yole Group (Yole Développement) (yolegroup.com) — Specializes in market intelligence for semiconductors, photonics, and advanced packaging, all critical areas for MACOM's product portfolio and manufacturing.
- Microwave Journal (microwavejournal.com) — Covers RF, microwave, and millimeter-wave technologies, directly aligning with MACOM's Industrial & Defense and Telecom segments, including GaN and high-frequency products.
- Photonics Spectra (photonics.com) — Focuses on the photonics industry, including lasers, photodetectors, and optical components, which are central to MACOM's Data Center and LEO satellite strategies.
Economic Data Watch
1. Dell'Oro Group / Major Hyperscaler Earnings — Hyperscaler Capital Expenditure Forecasts / Company Financial Reports
Metric/field Total Capital Expenditure (reported)
Cadence quarterly
Why it matters Direct indicator of investment in AI infrastructure, driving demand for MTSI's Data Center products.
Signal to watch Increasing CapEx = Bullish; Decreasing CapEx = Bearish
Confidence: high
2. FRED (Federal Reserve Economic Data) — Government Finance
Metric/field Federal Government: Outlays: National Defense (GFDEFN)
Cadence monthly
Why it matters Directly impacts MTSI's Industrial & Defense segment revenue, especially for US defense contractors.
Signal to watch Increasing outlays = Bullish; Decreasing outlays = Bearish
Confidence: high
3. Semiconductor Industry Association (SIA) — Worldwide Semiconductor Sales Report
Metric/field Total Worldwide Semiconductor Sales (USD Millions)
Cadence monthly
Why it matters Broad indicator of the health of the semiconductor industry, impacting demand across all of MTSI's segments.
Signal to watch Increasing sales = Bullish; Decreasing sales = Bearish
Confidence: high
4. LightCounting / Omdia / Dell'Oro Group — Optical Transceiver Market Forecasts
Metric/field Global Optical Transceiver Market Revenue (AI/Data Center Segment)
Cadence quarterly
Why it matters Direct measure of the market MTSI's Data Center optical products serve, especially for high-speed interconnects.
Signal to watch Increasing revenue = Bullish; Decreasing revenue = Bearish
Confidence: high
5. FRED (Federal Reserve Economic Data) — Industrial Production and Capacity Utilization
Metric/field Industrial Production: High-Technology Industries (IPHT)
Cadence monthly
Why it matters Reflects the general activity and demand within high-tech manufacturing, relevant for MTSI's Industrial segment.
Signal to watch Increasing production = Bullish; Decreasing production = Bearish
Confidence: medium
Free Alt Data Watch
1. Google Trends — Search Interest
Metric/field Search interest (index) for '1.6T optical module'
Cadence daily
Why it matters Leading indicator of industry and customer interest in next-generation data center connectivity, a key growth driver for MTSI.
Signal to watch Rising search interest = Bullish; Declining search interest = Bearish
Confidence: medium
2. LinkedIn — Job Postings
Metric/field Number of job postings for 'Silicon Photonics Engineer' (global)
Cadence monthly
Why it matters Indicates R&D investment and capacity expansion in a critical technology area for MTSI's Data Center products (e.g., CW lasers for silicon photonics).
Signal to watch Increasing job postings = Bullish; Decreasing job postings = Bearish
Confidence: medium
3. Space-Track.org — Satellite Catalog
Metric/field Number of active Low Earth Orbit (LEO) satellites
Cadence daily
Why it matters Directly reflects the growth and deployment of LEO networks, a significant opportunity for MTSI's Telecom segment.
Signal to watch Increasing active satellites = Bullish; Decreasing active satellites = Bearish
Confidence: high
4. Reddit (r/semiconductors) — Forum Discussions
Metric/field Sentiment score (e.g., positive/negative mentions) for 'MACOM' or 'MTSI'
Cadence weekly
Why it matters Provides qualitative insights into industry perception, technical discussions, and potential supply chain chatter related to MTSI's products.
Signal to watch Positive sentiment / increased relevant discussion = Bullish; Negative sentiment / decreased relevant discussion = Bearish
Confidence: low
5. SAM.gov (System for Award Management) — Contract Opportunities / Contract Awards
Metric/field Value and number of contract awards to 'MACOM Technology Solutions Holdings, Inc.' (Defense-related)
Cadence event_driven
Why it matters Direct indicator of new business wins and ongoing demand from the Defense segment, a key part of MTSI's I&D business.
Signal to watch Increasing value/number of awards = Bullish; Decreasing value/number of awards = Bearish
Confidence: high
Paid Alt Data Watch
1. Dell'Oro Group — Data Center Optical Transceiver Market Share Report
Metric/field Vendor Revenue Share for 800G/1.6T Optical Transceivers
Cadence quarterly
Why it matters Provides competitive intelligence on MTSI's market position and growth within high-speed data center optics.
Signal to watch Increasing market share = Bullish; Decreasing market share = Bearish
Confidence: high
2. LightCounting — Optical Transceiver Market Forecast Report
Metric/field AI/Data Center Segment Revenue Forecast (5-year outlook)
Cadence annually
Why it matters Offers a detailed, expert-driven long-term view of MTSI's core growth market in Data Center, helping to validate strategic investments.
Signal to watch Upward revision of forecasts = Bullish; Downward revision of forecasts = Bearish
Confidence: high
3. Yole Group — Silicon Photonics Market Report
Metric/field Silicon Photonics Market Revenue Forecast by Application (e.g., Data Center Interconnects)
Cadence annually
Why it matters Tracks the adoption and growth of silicon photonics, a technology where MTSI is investing (e.g., CW lasers).
Signal to watch Increasing market size/adoption = Bullish; Decreasing market size/adoption = Bearish
Confidence: high
4. Revelio Labs — Workforce Intelligence
Metric/field Job Posting Growth Rate (YoY) for 'MACOM Technology Solutions Holdings, Inc.'
Cadence monthly
Why it matters Provides granular insight into MTSI's internal investment in R&D and capacity expansion, especially for specific engineering roles.
Signal to watch Sustained high growth rate = Bullish; Declining growth rate = Bearish
Confidence: medium
5. Supplyframe / TrendForce — Component Lead Time Data / Market Intelligence
Metric/field Average Lead Time for Indium Phosphide (InP) Wafers / GaN RF Components
Cadence monthly
Why it matters Indicates supply chain health and potential bottlenecks for critical raw materials and components used by MTSI, affecting production and delivery.
Signal to watch Stable/decreasing lead times = Bullish; Increasing lead times = Bearish
Confidence: medium
Search Keywords Brand Product
- 800G PAM4
- 1.6T PAM4
- 200G photodetector
- 400G photodetector
- CW laser
- Indium Phosphide laser
- GaN-on-silicon carbide
- X-band front-end module
- GaN4
- linear equalizer
- NPO
- XPO
- high-speed optical interconnects
- data center connectivity
- defense electronics
- LEO satellite communication
- 5G infrastructure
- semiconductor solutions
- AI infrastructure
Search Keywords Event Phrases
- MACOM earnings
- International Microwave Symposium
- IMS
Search Keywords Policy Regulatory
- US CHIPS Act
- EU Chips Act
- What They Do (Plain English & Analogies)
- MACOM designs and manufactures specialized high-performance computer chips that are like the "engine tuners" for high-speed communication and defense systems. They create tiny electronic components that enable ultra-fast data transfer in places like massive internet data centers, acting like "ultra-fast scanners" for information sent at light speed. For wireless communication, such as 5G networks and military radar, their chips act like "high-powered megaphones," allowing signals to travel long distances clearly and efficiently. They use advanced materials like Gallium Nitride (GaN) and Indium Phosphide (InP) to achieve superior speed and power handling compared to standard silicon.
- Very Brief History
- Founded in 1950 as Microwave Associates, the company initially specialized in microwave components for the U.S. military. It went public in 2012 and subsequently shifted its focus towards high-growth commercial markets, including 100G+ optical networking and 5G infrastructure. Key recent milestones include the 2023 acquisition of Wolfspeed's RF business and a successful transition to 800G and 1.6T data center technologies in 2025-2026.
- "Street Stereotype"
- MACOM is often viewed as a "diversified AI play" that competes through superior material science (GaN/InP) rather than sheer size, positioning itself against larger competitors like Broadcom or Marvell. It is perceived as a high-beta stock offering exposure to three distinct, high-growth cycles: AI data center buildouts, defense modernization, and satellite broadband (SATCOM).
- Subsidiaries On Linked In*
- MACOM
- AppliedMicro — Acquired 2017
- Wolfspeed RF Business Unit — Recently integrated
- Customer Sectors & Example Clients
- MACOM serves three primary customer sectors: Data Center, Industrial and Defense, and Telecommunications. Key clients include major U.S. hyperscalers such as Microsoft, Google, Meta, and Amazon (often through module makers). In the Defense sector, they supply to prime contractors like Raytheon, Lockheed Martin, and Northrop Grumman. For Telecommunications, their customers include major Telecom OEMs like Ericsson and Nokia, as well as various LEO satellite operators and Chinese transceiver companies.
- New Customers / Segments They'Re Targeting
- MACOM is actively targeting new opportunities across its markets. In Data Centers, they are focusing on higher-density interconnects like NPO (Near-Packaged Optics) and XPO (Extra-Packaged Optics), Linear Receive Optics (LRO), coherent light solutions for short-reach applications, PCIe 6, and linear equalizer products for copper interconnects (ACC and on-board equalizers). In Industrial and Defense, they are expanding into drone and anti-drone systems, and increasing engagement with European defense contractors for custom designs and foundry relationships. Within Telecom, they are heavily focused on the LEO (Low Earth Orbit) satellite market for broadband access, direct-to-device (D2D) applications, satellite optical communication platforms, and high-power optical ground stations. They also see a significant opportunity to double their 5G revenue by targeting 5G massive MIMO platforms.
- Sales Geographies And Expansion Plans
- MACOM currently operates globally, with significant sales presence in the United States, China, the broader Asia Pacific region, and other international markets. Their European Semiconductor Center (MESC) in France is strategically positioned to support the European continent's commercial and defense markets. Management plans to leverage MESC technologies into the U.S. and satellite markets and anticipates that EU Defense revenue will become a more material contributor around 2028.
- How Key Themes May Help/Hurt
- MACOM is strongly positioned to benefit from the "AI '26: Photonics" theme. The explosive growth of AI and hyperscale data centers directly drives demand for MACOM's high-bandwidth, low-latency optical interconnects, including their 800G/1.6T PAM4 products, TIAs, drivers, and ramping 200G photodetectors. Their focus on Indium Phosphide products, such as the promising CW laser for silicon photonics, aligns with the fundamental shift from electrical to photonic interconnects. MACOM's internal fab capabilities and investments in manufacturing capacity help address supply chain bottlenecks, creating a "picks and shovels" opportunity within the theme. However, potential delays in the widespread adoption of Co-Packaged Optics (CPO) could affect the timing of some of their next-generation solutions, and intense competition or broader economic downturns in other segments could partially offset AI-driven growth.
3 Main Long-Term Bull Details
- Leadership in High-Speed Data Center Connectivity: MACOM is experiencing rapid growth in its Data Center business, projected at 74% for FY26 and a 50% base case for FY27, driven by strong demand for 800G and 1.6T PAM4 products, 200G/400G per lane TIAs/drivers, and ramping 200G photodetectors. The potential production of their 75-milliwatt CW laser for silicon photonics, which addresses a multi-billion dollar market, is seen as a "watershed moment" for future growth.
- Diversified Growth Across Industrial & Defense and Emerging Telecom: The Industrial & Defense segment is expected to grow by 25% in FY26, fueled by increased global spending on radar systems, missile defense, drone/anti-drone technologies, and electronic warfare. In Telecom, MACOM is capitalizing on the robust LEO satellite market for broadband access and direct-to-device applications, securing strategic partnerships for optical communication platforms and leveraging its 5G technology for new opportunities.
- Strong Technology Portfolio and Manufacturing Capabilities: MACOM's continuous and significant R&D investments (doubled to nearly $250 million in three years) are focused on developing highest power, highest frequency, and highest data rate solutions. Its internal fabs in Massachusetts, North Carolina, and France provide unique manufacturing control, cost advantages, and expanding capacity (e.g., 3-inch to 6-inch wafer conversion, G10 epitaxial reactor), underpinning a durable business model and enabling sustained market share gains.
3 Main Long-Term Bear Details
- Execution Risk in New Product Ramps and Capacity Expansion: While MACOM's new product initiatives, such as the 75-milliwatt CW laser (with a potential production start in late calendar 2027) and the full conversion of the MESC fab to 6-inch wafers, are promising, their successful execution and ramp to volume production carry inherent risks. Delays in qualification, process maturation, or customer adoption could significantly impact projected revenue growth.
- Intense Competition and Potential Pricing Pressure: MACOM operates in highly competitive markets against larger, well-resourced competitors. Although the company focuses on best-in-class, non-commodity products, the increasing volume of data center components could lead to pricing pressures. Additionally, shifts in hyperscaler architectures, potentially away from MACOM's strong content areas like LPO/NPO solutions, could challenge its premium margin profile.
- Geopolitical and Supply Chain Uncertainties: MACOM's global market exposure, including its business in China (primarily for re-export), introduces geopolitical risks. While the company is actively strengthening its supply chain (e.g., through its investment in IQE), broader industry-wide supply tightness for critical components or rising raw material costs could impact profitability, and the ability to consistently pass these increased costs on to customers is not guaranteed.
- Competitors And Differentiation
- While MACOM faces competition from larger, more resourced companies (such as Broadcom or Marvell, and unnamed competitors in the RF power GaN market), its differentiation strategy is built on several pillars. They focus on strengthening core technologies around the themes of highest power, highest frequency, and highest data rate. Their unique manufacturing capabilities, including internal fabs for Indium Phosphide and GaN-on-silicon carbide, provide control over quality, cost, and capacity. MACOM also emphasizes a "be first, be fast" approach, offering diverse product options (e.g., lower power, smaller chip size, multiple channels, various packaging technologies) and delivering industry-leading performance in products like their 200G photodetectors and X-band front-end modules. Significant R&D investments further bolster their competitive positioning.
- Recent Performance & What The Market'S Focused On
- MACOM reported strong results for its third fiscal quarter of 2026, with revenue reaching $342.2 million, an 18.4% sequential and 35.8% year-over-year increase. Adjusted EPS was $1.40 per diluted share, and the company achieved a record book-to-bill ratio of 1.6:1. All three end markets grew sequentially, with Data Center revenue up approximately 40% and Industrial and Defense up 11%, both reaching record levels. Adjusted gross margin improved to 59.7%, and adjusted operating income hit a record $107.7 million. For the fourth fiscal quarter of 2026, MACOM guided revenue to be between $415 million and $425 million, with adjusted gross margin between 60% and 61%, and adjusted EPS between $1.97 and $2.03. The market is currently focused on the sustainability of MACOM's rapid Data Center growth, particularly the ramp of 1.6T and 800G platforms, TIAs, drivers, and photodetectors. Key attention is also on the progress of Indium Phosphide products, especially the qualification and potential production ramp of the 75-milliwatt CW laser. Investors are also tracking the acceleration of the Telecom business, driven by LEO opportunities and 5G massive MIMO market share gains, as well as the company's continued gross margin expansion and operating leverage. The potential impact of U.S. regulations on Chinese module makers and MACOM's customer mix, along with updates on capital expenditure plans and negotiations with The CHIPS Office, are also areas of market interest.
- Revenue Segments And Estimated Mix
- Data Center — Mix: ~40.2%; Source: Q3 Fiscal 2026 transcript; Trend: Increased approximately 40% sequentially, at record levels
- Industrial and Defense — Mix: ~39.0%; Source: Q3 Fiscal 2026 transcript; Trend: Increased 11% sequentially, at record levels
- Telecom — Mix: ~20.8%; Source: Q3 Fiscal 2026 transcript; Trend: Increased 2% sequentially
- Product Brands
- MACOM
Bull / Bear DetailsMACOM Technology Solutions (MTSI) is a compelling AI infrastructure play, leveraging leadership in high-speed analog and optical components. As of 2026-09-05, r
Thesis
MACOM Technology Solutions (MTSI) is a compelling AI infrastructure play, leveraging leadership in high-speed analog and optical components. As of 2026-09-05, record demand and a 1.6:1 book-to-bill ratio are driving exceptional Data Center growth, projected at 50% for FY27, fueled by 1.6T/800G and emerging Indium Phosphide products including CW lasers. Diversified growth in Defense and LEO Telecom, coupled with expanding internal fab utilization and a target of over 40% operating margins, underpins a strong bullish outlook.
Bull case
The Data Center segment is experiencing explosive growth, projected at 50% year-over-year for fiscal year 2027, driven by strong demand for 800G and 1.6T PAM4 products, 200G/400G photodetectors, TIAs, and drivers. Growing confidence in the 75-milliwatt CW laser for potential late 2027 production represents a multi-billion dollar market opportunity and a "watershed moment" for MACOM.
MACOM benefits from robust, diversified growth across its end markets. Industrial and Defense is projected to grow approximately 25% this year, fueled by increased spending on radar and drone defense systems. Significant LEO satellite program wins and the applicability of 5G technology to LEO direct-to-device (D2D) systems provide substantial long-term revenue streams in the Telecom segment.
The company continues to achieve record financial performance, with Q3 fiscal year 2026 revenue up 35.8% year-over-year and a record 1.6:1 book-to-bill ratio. Enhanced fab utilization and disciplined capital expenditures are driving sequential gross margin improvements, with adjusted operating income at a record $107.7 million and a target to breach 40% operating margins in fiscal year 2027.
Bear case
While confidence in the 75-milliwatt CW laser is growing, it is still in qualification, with production not expected until late calendar 2027, posing execution risks. Additionally, many NPO development projects may not reach production, and the widespread adoption of Co-Packaged Optics (CPO) could face delays, impacting revenue ramps for companies heavily invested in next-gen CPO solutions.
Despite LEO wins, the broader global Radio Access Network (RAN) market is expected to remain flat, and the Telecom segment is generally slow-moving. While MACOM aims for market share gains from competitors exiting the RF power GaN market, the highly integrated nature of some Telecom solutions, which MACOM historically shies away from, could limit upside.
Rising input costs (labor, electricity, general utilities, raw materials) are a concern, and passing these on to customers is not always possible. Increased utilization is driving longer lead times for internally manufactured products. Furthermore, negotiations with The CHIPS Office for fab expansion still face "nonstarters," and potential regulatory shifts (e.g., China ban) could cause customer mix shifts.
Bull / Bear Case
- Bear Case
- Despite strong reported results, MACOM faces significant execution risks for its key future growth drivers. The 75-milliwatt CW laser, while promising, is still in qualification with production not expected until late calendar 2027, and many NPO development projects may not reach production. The Telecom segment remains slow-moving, and MACOM's historical avoidance of highly integrated solutions could limit upside. Rising input costs (labor, electricity, raw materials) are a concern, and passing these on to customers is not always possible, potentially impacting profitability. Increased fab utilization is leading to longer product lead times, and ongoing negotiations with The CHIPS Office for fab expansion still contain 'nonstarters', posing risks to capital savings. Geopolitical shifts, such as potential bans on Chinese module makers, could also cause adverse customer mix shifts.
- Bull Case
- MACOM Technology Solutions is poised for robust growth, driven by an explosive Data Center segment projected at 50% year-over-year for fiscal year 2027, fueled by strong demand for 800G and 1.6T PAM4 products, 200G/400G photodetectors, TIAs, and drivers. The potential late 2027 production of the 75-milliwatt CW laser for silicon photonics represents a multi-billion dollar market opportunity and a 'watershed moment'. Diversified growth in Industrial and Defense (25% projected growth) and strategic LEO satellite program wins further bolster revenue. The company continues to achieve record financial performance, with a 1.6:1 book-to-bill ratio, expanding gross margins, and a target to breach 40% operating margins in fiscal year 2027, supported by significant R&D investments and internal fab capacity expansion.
- More Compelling & Why
- Bear. Given the stock's -16.37% decline post-earnings despite strong results, the market appears to be re-evaluating a potentially high P/E ratio. The strongest bear argument is the significant execution risk and delayed timeline for key future growth drivers like the CW laser and NPO projects. These opportunities, while large, are not yet de-risked, making the current valuation vulnerable to any setbacks. A sustained period of successful qualification and on-time ramp of the CW laser and NPO projects, coupled with a more moderate valuation, would flip my view to bullish.
Key Factors
| Key Factor | Why It Matters | What To Watch | What It Signals | Where/How To Track | Free Alt Data | Paid Alt Data |
|---|---|---|---|---|---|---|
| CW Laser Production Start & Qualification Success | The 75-milliwatt CW laser for silicon photonics represents a multi-billion dollar market opportunity. Successful qualification and production ramp would be a 'watershed moment' for MACOM, driving significant long-term growth. | Updates on the 'high-temperature operating light test (HTOL)' results (currently 'exceptional'). Confirmation of locking down the production process. Announcement of a potential production start in late calendar 2027. | Confirmation of successful qualification, production process locked down, and firm production start date in late calendar 2027 = Bullish. Delays in qualification, negative HTOL results, or further postponement of production start = Bearish. | Company earnings calls, press releases. | Industry forums (e.g., Lightwave Online, Optical Fiber Communication Conference news) for mentions of MACOM's CW lasers or silicon photonics integration. | Yole Group: Silicon Photonics market reports, laser diode market analysis. |
| LEO Satellite Program Production Ramps & New Optical Platform Win | LEO programs represent a significant, growing market for MACOM, offering long-term, high-margin revenue streams and diversification beyond traditional telecom. The new optical platform win solidifies MACOM's strategic partnership and future growth in this segment. | Confirmation of production start for 'two or three major LEO programs' by end of calendar 2026 or early calendar 2027. Updates on the 'next-generation satellite optical communication platform' award. | Production start for major LEO programs and positive updates on the new optical platform win = Bullish. Further delays or lack of updates = Bearish. | Company earnings calls, press releases, SEC filings (Form 10-K, 10-Q). | Industry news from satellite communication publications (e.g., SpaceNews, Via Satellite), LEO constellation deployment tracking (e.g., SpaceX Starlink, OneWeb news). | Thinknum: LEO satellite company job postings for optical engineers. |
| Adjusted Operating Margin Expansion | Continued expansion of adjusted operating margin demonstrates MACOM's ability to scale profitably, leverage its operating model, and effectively manage R&D investments, leading to improved bottom-line performance. | Adjusted operating margin for Q4 FY26 (guided at ~37%) and management's commentary on achieving the target of breaching 40% operating margin in fiscal 2027. | Adjusted operating margin meeting or exceeding Q4 FY26 guidance (~37%) and clear progress towards 40% in FY27 = Bullish. Operating margin falling below guidance or lack of progress towards 40% target = Bearish. | Company earnings calls, financial statements (Form 10-Q, 10-K). | N/A | N/A |
| Data Center Revenue Growth & 200G/400G Photodetector/TIA/Driver Volume | Data Center is MACOM's highest growth segment, driven by AI infrastructure buildouts. Continued strong growth, especially from next-gen 200G/400G products, validates market leadership and future revenue potential. | Data Center revenue growth for Q4 FY26 (guided at ~35% sequential) and FY27 (base case 50% YoY). Specific mentions of volume production ramps and customer feedback for 200G and 400G photodetectors, TIAs, and drivers. | Data Center revenue growth meeting or exceeding guidance (e.g., Q4 FY26 sequential growth >35%, FY27 YoY growth >50%) and strong volume ramps for 200G/400G products = Bullish. Growth falling below guidance or delays in volume ramps = Bearish. | Company earnings calls (Q4 FY26 guidance and FY27 outlook), press releases. | Google Trends: 'MACOM 200G photodetector', 'MACOM 400G TIA', '800G PAM4', '1.6T PAM4' search volume. | Dell'Oro Group/LightCounting: Optical transceiver market reports, hyperscaler CapEx forecasts. |
| Book-to-Bill Ratio Trend | A sustained book-to-bill ratio above 1.0 indicates strong demand and future revenue visibility, reflecting continued customer order trends and backlog growth. | The book-to-bill ratio in future quarterly reports (Q4 FY26 and Q1 FY27). | Book-to-bill ratio remaining >1.5x (following Q3's 1.6:1) = Bullish. Book-to-bill ratio dropping below 1.0x = Bearish. | Company earnings calls and press releases. | N/A | N/A |
Key Reported Metrics, Reratings Triggers & ResultsAdjusted Diluted EPS is a key measure of profitability per share, directly impacting shareholder value. Strong growth indicates efficient operations and effecti
Upcoming print · 2026-11-05
| Key reported metrics | ||
|---|---|---|
| Metric | Last period | Why it matters |
| Adjusted Diluted EPS | 55.6% | Adjusted Diluted EPS is a key measure of profitability per share, directly impacting shareholder value. Strong growth indicates efficient operations and effective capital allocation. |
| Adjusted Operating Income | 69.6% | This metric reflects MACOM's ability to scale profitably and leverage its operating model. Continued expansion indicates successful cost management, fab utilization, and the impact of higher-value products. |
| Total Revenue | 35.8% | Total Revenue is a primary indicator of MACOM's overall business health and market demand. Strong growth, especially driven by AI infrastructure, validates the company's strategic focus and execution. |
Last reported · 2026-05-07
| Key reported metrics | ||
|---|---|---|
| Metric | Last period | Why it matters |
| Industrial & Defense Revenue | 20.1% | As MACOM's largest segment, I&D provides the stable cash flow needed to fund high-growth initiatives. With a 15-20% growth target for FY26, performance here reflects the company's success in winning high-frequency radar and electronic warfare programs with major US and European defense OEMs. |
| Adjusted Operating Income | 33.5% | After reaching a record $74 million, this metric tracks MACOM's ability to scale profitably. Investors are watching for operating leverage as the company integrates the RTP fab and transitions to 6-inch wafers, ensuring that high R&D investments in 3.2T technology do not erode bottom-line growth. |
| Data Center Revenue | 98.2% | Management significantly raised FY26 guidance to 35-40% growth, fueled by 1.6T optical ramps and 200G per lane photodetectors. Investors will monitor this segment to validate that hyperscaler design wins are converting into production-level revenue and offsetting flatter trends in the broader RAN market. |
Key QuestionsCan MACOM sustain its record 1.6x book-to-bill ratio and achieve its projected 50% year-over-year Data Center revenue growth in fiscal year 2027, driven by 1.6T
Can MACOM sustain its record 1.6x book-to-bill ratio and achieve its projected 50% year-over-year Data Center revenue growth in fiscal year 2027, driven by 1.6T/800G platforms and new product ramps?
- Question 2
Will MACOM's LEO satellite programs, including the new optical communication platform win, and market share gains in 5G RF power with GaN 4 technology, accelerate the Telecom segment's growth beyond low single-digits in the coming quarters?
- Question 3
Can MACOM continue its sequential gross margin expansion (25-50 bps per quarter) and achieve its target of breaching 40% adjusted operating margin in fiscal year 2027, especially with the potential production ramp of the 75-milliwatt CW laser?
Earnings Transcript Summary
· 2026Q3 Earnings Call
| 3 Things Management Is Most Focused On | Call Takeaway & Tone | Prior Quarter'S Y/Y Growth By Segment | 3 Things Analysts Most Pressed On (And Mgmt Responses) | Revenue Segments |
|---|---|---|---|---|
| 3 Things Management Is Most Focused On1. **Expanding product portfolio and market share in high-growth areas:** Management is focused on strengthening core technologies and expanding its product portfolio around highest power, highest frequency, and highest data rate, particularly in Data Center with 800G/1.6T PAM4 products, 200G/400G per lane TIAs/drivers, and Indium Phosphide products (photodetectors and CW lasers). They also aim to gain market share in Defense and LEO Telecom. 2. **Investing heavily in R&D and manufacturing capacity:** The company has doubled its R&D spending to nearly $250 million for the current year and is expanding engineering and manufacturing teams. This includes installing a new G10 epitaxial reactor and converting the MESC facility to 6-inch wafers to support future growth and technology development, as well as scoping CapEx for CW laser production. 3. **Driving profitability and operational leverage:** Management is focused on achieving record gross and operating margins, expecting ongoing sequential gross margin improvements through fiscal 2026 and 2027, and targeting to breach the 40% operating margin level. This is supported by enhanced fab utilization and disciplined capital expenditures. | Call Takeaway & ToneThe overall takeaway from the call is highly positive and confident. MACOM reported record financial results for Q3 2026, including strong revenue growth, expanded gross and operating margins, and a record book-to-bill ratio. The company is experiencing robust demand across all three end markets, with particular strength and future growth opportunities highlighted in Data Center (driven by high-speed optical connectivity and new Indium Phosphide products) and Defense. Management is aggressively investing in R&D and manufacturing capacity to capitalize on these opportunities and is focused on continued profitability expansion. The tone was bullish, with management expressing strong confidence in their strategic execution and future growth prospects, including a positive outlook for fiscal year 2027. | Prior Quarter'S Y/Y Growth By SegmentFor the second fiscal quarter of 2026 (the prior quarter), total revenue was $289.0 million, reflecting a 22.5% year-over-year increase. Segment revenues for Q2 2026 were: Industrial and Defense at $120.7 million (increased 2.5% sequentially); Data Center at $98.2 million (increased 14.5% sequentially); and Telecom at $70.1 million (increased 3% sequentially). Similar to Q3 2026, specific year-over-year growth percentages for individual segments for Q2 2026 were not explicitly provided in the search results. | 3 Things Analysts Most Pressed On (And Mgmt Responses)1. **Data Center strength and drivers:** Analysts inquired about the specific drivers of strength within the Data Center segment and the increased book-to-bill ratio. *Management Response:* Steve Daly attributed the strength to broad growth across various data rates and product lines, including 200-gig PAM4 products, ZR/ZR-light, 100-gig per lane, and 25-gig per lane products. He noted that 1.6T and 800-gig platforms were the primary drivers for the book-to-bill. 2. **Fiscal '27 growth trajectory:** Analysts pressed for a sneak peek into the company's growth trajectory for fiscal year 2027, given two consecutive years of strong growth. *Management Response:* Steve Daly indicated that annualizing the Q4 guidance suggests a mid-20s (27-28%) company-wide year-over-year growth for fiscal '27 as a base case, with the Data Center business trending towards 50% year-over-year growth, supported by strong book-to-bill ratios (1.3, 1.5, 1.6 in recent quarters). 3. **Impact of proposed ban on Chinese module makers:** Analysts asked about the potential impact of a proposed ban on Chinese module makers for pluggable transceivers. *Management Response:* Steve Daly stated that MACOM's Data Center growth is primarily driven by U.S. hyperscalers. He expects that if market share shifts due to new regulations, MACOM would follow that business to other manufacturers, seeing it as a customer mix shift. He emphasized MACOM's position as a strategic supplier with compelling products and manufacturing capabilities, noting minimal manufacturing exposure in China and that most products sold into China are ultimately exported to the U.S. in systems. | Revenue SegmentsTotal revenue for the third fiscal quarter of 2026 was $342.2 million, representing a 35.8% year-over-year increase. The company reported sequential growth across all three end markets: Data Center revenue was $137.6 million, increasing approximately 40% sequentially; Industrial and Defense revenue was $133.4 million, up 11% sequentially; and Telecom revenue was $71.3 million, showing a 2% sequential increase. Specific year-over-year growth percentages for individual segments for Q3 2026 were not explicitly provided in the transcript or search results. |
· 2026Q1 Earnings Call
| 3 Things Management Is Most Focused On | Call Takeaway & Tone | Prior Quarter'S Y/Y Growth By Segment | 3 Things Analysts Most Pressed On (And Mgmt Responses) | Revenue Segments |
|---|---|---|---|---|
| 3 Things Management Is Most Focused On1. Data Center Expansion (1.6T & 800G): Management is aggressively scaling production for 1.6T optical and high-speed analog products to meet robust hyperscaler demand, raising their growth outlook significantly. 2. Capturing Telecom Market Share: Following a major competitor's (NXP) exit from the RF power GaN market, MACOM is focused on hiring talent and sampling next-gen GaN4 products to win macro base station designs. 3. Operational Efficiency and Fab Utilization: Driving sequential gross margin improvements of 25-50 basis points by increasing utilization at internal fabs (RTP, Massachusetts, France) and transitioning technology to 6-inch wafers. | Call Takeaway & ToneThe takeaway is highly positive, characterized by record financial results, including a milestone of exceeding $1.00 in quarterly EPS and a multi-year high book-to-bill of 1.3x. While the Telecom market remains flat, MACOM is successfully pivoting to high-growth AI-driven Data Center opportunities (1.6T) and positioning itself to gain share in RF Power. The tone was confident and bullish, with management emphasizing their ability to double the company's size through diversification and high-speed product leadership. | Prior Quarter'S Y/Y Growth By SegmentIn Q4 2025 (prior quarter), Total Revenue grew 32.5% y/y. Segment y/y growth was: Data Center: ~+100% y/y (driven by 800G ramp); Industrial & Defense: ~+20% y/y; Telecom: ~+15% y/y. Compared to the prior quarter, total y/y growth decelerated from 32.5% to 24.5%, primarily due to a difficult comparison in Telecom which grew 40% in the prior fiscal year. | 3 Things Analysts Most Pressed On (And Mgmt Responses)1. Data Center Guidance Raise: Analysts questioned the confidence behind raising the data center growth outlook from 20% to 40%. Management responded that 1.6T design wins are transitioning to production faster than expected, supported by a record 1.3 book-to-bill ratio. 2. LPO vs. LRO Architectures: Analysts asked about the shift in interest toward Linear Receive Optics (LRO) for 1.6T. Management noted that while LPO is in production at 800G with three hyperscalers, LRO has a higher probability of earlier adoption at 1.6T due to ASIC/DSP interface capabilities. 3. Satellite Contract Delays: Analysts pressed for details on the $55M satellite contract delay. Management explained the delay was due to customer-driven system changes to add functionality, which they view as a long-term positive that broadens the application space. | Revenue SegmentsTotal Revenue: $271.6M (+24.5% y/y). By segment: Industrial & Defense: $117.7M (Management expects 15-20% y/y growth for FY26); Data Center: $85.8M (Management raised FY26 growth guidance to 35-40% y/y); Telecom: $68.1M (Management expects high single-digit to low double-digit y/y growth for FY26). |
Transcript Tidbits
| About Expanding Eligible Market | About Competition | About The Broader Industry | Where Things Are Headed | Updates On Theme | Broader Themes Emerging | Bullish-Leaning Quotes (Short) | Bearish-Leaning Quotes (Short) | Hiring |
|---|---|---|---|---|---|---|---|---|
| About Expanding Eligible MarketMACOM estimates its total served addressable market (SAM) to be in the range of $15 billion in 2027, driven by growth in Data Center, Industrial and Defense, and Telecom markets. The company is expanding its Data Center business through the proliferation of optical links, as hyperscalers shift from passive copper to fiber connectivity, representing a large SAM expansion opportunity. New products are designed for higher-density interconnects and highly integrated architectures like NPO and XPO. MACOM expects to gain meaningful market share in Indium Phosphide Photonics over the next three years, with growing interest in its products as optical connectivity expands within data centers. The Defense segment is benefiting from projected significant growth in the U.S. defense electronics market and increased spending from European countries, with MACOM supporting radar, missile, drone defense, and electronic warfare systems. The Industrial market is seeing increased demand, particularly in test and measurement, and the Automotive business is expected to double its revenue this year. In Telecom, satellite-based broadband access and direct-to-device (D2D) opportunities, especially with LEO networks, remain robust, with MACOM's 5G technology directly applicable to LEO D2D systems. The company was selected to support a next-generation satellite optical communication platform, establishing it as a strategic partner in the growing LEO business. MACOM is also seeing opportunities with linear equalizers for copper interconnects in both cable and PCB applications, with one large hyperscaler looking to deploy such a solution. The company's strategy includes more 200-gig per lane products for PAM4, adding capacity for Indium Phosphide products, and new programs across scale-up, scale-out, and scale-across architectures, with NPO expected to grow significantly starting in 2028. | About CompetitionMACOM is selected by customers due to the performance, uniqueness, scalability, quality, and cost of its products. The company maintains relationships with all transceiver companies in the industry, including some competitors, and expects to follow business to other manufacturers if hyperscalers shift market share due to new regulations. Hyperscalers recognize MACOM as a strategic supplier with compelling products and manufacturing capability. In the 5G RF power market, MACOM anticipates picking up market share due to competitors exiting the space, leveraging its GaN 4 technology for massive MIMO platforms. The company acknowledges that the Telecom market often uses highly integrated silicon solutions that it has historically shied away from but plans to address more as it grows. MACOM's current laser business primarily serves the merchant market, selling to companies that do not produce their own lasers. The company believes it has one of the industry's best 200-gig photodetectors and has launched a 400-gig PD, positioning it at the forefront of the market. | About The Broader IndustryThe Data Center industry is experiencing increased demand for high-speed connectivity, driving growth in 800G and 1.6T PAM4 products. There's a trend of hyperscalers moving from passive copper to fiber connectivity, expanding the market for optical links. The industry also sees a need for higher-density interconnects and growing interest in Coherent Light Solutions for data rates beyond 1.6T. The U.S. defense electronics market is projected for significant growth in the coming years, with European countries also increasing defense spending. The test and measurement market is seeing increased demand, partly driven by expanding microwave SATCOM and AI-related engineering and production. In Telecom, LEO networks are robust, supporting satellite-based broadband and direct-to-device opportunities, often utilizing microwave, millimeter wave, and free space optics. LEO satellites are increasingly adopting W-band frequencies (around 75 gigahertz) for multi-gigabit communication and high-resolution imaging. The company is monitoring news regarding a proposed ban on Chinese module makers for pluggable transceivers, noting that hyperscalers are directly involved in chip supply chain decisions. Input costs, including labor, electricity, utilities, and raw materials, are increasing across the industry. | Where Things Are HeadedMACOM's strategy of focusing on highest power, highest frequency, and highest data rate is proving effective, positioning it in three large markets with a combined SAM of $15 billion in 2027. The company plans to continue investing in R&D and expanding its engineering and manufacturing teams. MACOM anticipates gaining meaningful market share in Indium Phosphide Photonics over the next three years. Plans are underway to support a potential production start for its 75-milliwatt CW laser in late calendar 2027, which would be a 'watershed moment' and a 'big number' driving tremendous growth, as the laser market is in the billions of dollars. The Data Center business is expected to operate at data rates above 1.6T in the future, with MACOM collaborating with industry leaders to support connectivity needs. The Defense business is projected to grow by approximately 25% this year, and the Automotive business is expected to double its revenue. MACOM forecasts ongoing quarterly sequential gross margin improvements through fiscal 2026 and 2027, with an adjusted operating margin of approximately 37% for fiscal Q4. The company expects its adjusted income tax rate to rise to mid-single digits in fiscal 2027. Fiscal Q4 revenue is guided between $415 million and $425 million, with Data Center sequential growth of approximately 35%, Industrial and Defense at 20%, and Telecom in low single digits. For fiscal '27, MACOM projects company growth in the mid-20s (27-28%) and Data Center growth of 50% year-over-year as a base case. The company aims to breach 40% operating margins next year. Capital spending for next year is expected to be around $60 million, similar to this year, including infrastructure for a laser ramp. MACOM is reengaging with The CHIPS Office on a rewritten project plan, seeking to negotiate a deal to save capital spending. | Updates On ThemePhotonics: | Broader Themes EmergingAI-related engineering and production facilitization is driving increased demand in the test and measurement market. MACOM's engineering teams are aggressively developing AI capabilities to support the chip design process, aiming to accelerate time to market and enhance competitiveness. The company's investment in IQE and reengagement with The CHIPS Office for fab expansion highlight a broader trend of vertical integration and supply chain control in the semiconductor industry. | Bullish-Leaning Quotes (Short)Demand for our products is strong across our three end markets, and our backlog continues to build. Our Q3 book-to-bill ratio was a record 1.6:1. Both Data Center and I&D revenues are at record levels. Our Indium Phosphide Photonics product lines represent a large growth opportunity for MACOM, and we expect to gain meaningful market share over the next 3 years. The U.S. defense electronics market is projected to grow significantly over the next few years, and we are in a great position to benefit. Our Automotive business, which is one of our smaller submarkets, is expected to double its revenue this year. This new award establishes MACOM as a strategic partner and will contribute to our growing LEO business. MACOM again achieved multiple new quarterly records associated with our financial performance during our fiscal third quarter. We expect ongoing quarterly sequential gross margin improvements through the remainder of fiscal 2026 and fiscal 2027. Adjusted operating income in fiscal Q3 was another record coming in at $107.7 million. We expect that our Q4 cash flow from operations will be in excess of $100 million. Our Data Center business has been growing quite rapidly over the past 3 years. If you drill down and look at our highest growth market, which is our Data Center business, that number then trends to 50% year-over-year growth. We are aggressively developing AI capabilities to accelerate our time to market and to make MACOM a more formidable competitor. If we're able to bring a CW laser into production in 2028, that's a watershed moment. | Bearish-Leaning Quotes (Short)And while we cannot declare success yet, we are gaining confidence in our ability to meet our customers' reliability and performance requirements. Some of these programs will never make it to production, some will. The Telecom market is a very focused market. That market is a bit slow moving. There's terms in what they call their DFA definitive agreement, which are sort of nonstarters for us. Input costs increase, whether it be labor, electricity, general utilities, raw materials, costs are absolutely going up. We try to pass those costs on to customers when possible. That's not always possible. Utilization rates are definitely driving some of our lead times out. I'm not sure I would agree that the laser and detector opportunity is larger than the driver and TIA. | HiringMACOM plans to continue investing in R&D and expanding its engineering and manufacturing teams to address the large SAM opportunity. The company has a growing team of application and design engineers supporting defense customers. The sequential increase in adjusted operating expense was primarily driven by ongoing R&D investments and employee-related costs. MACOM will continue to build out and staff its design centers with chip designers to grow into the $15 billion SAM. The company hosted over 50 summer interns from top universities, viewing the internship program as a core activity tied to growing its talented workforce. MACOM's indium phosphide teams consist of material scientists, fab engineers, process engineers, and experienced optical designers, while TIA and driver teams comprise chip designers with expertise in high-speed interconnects. |
| About Expanding Eligible Market | About Competition | About The Broader Industry | Where Things Are Headed | Updates On Theme | Broader Themes Emerging | Bullish-Leaning Quotes (Short) | Bearish-Leaning Quotes (Short) |
|---|---|---|---|---|---|---|---|
| About Expanding Eligible MarketMACOM is expanding into the compute side of the data center with PCIe 6 and PCIe 7 chipsets. They are also targeting the telecom front haul market with LPO solutions and the emerging drone defense market with specialized RF portfolios. Additionally, the company is moving into satellite-to-satellite and direct-to-cell communications within the LEO satellite market. | About CompetitionA major competitor is exiting the 5G RF power GaN market, allowing MACOM to hire a team of their experienced engineers and target market share gains. Management noted that while they face larger competitors with more resources, their agility and 200 gig per lane photodetector performance provide a competitive advantage. | About The Broader IndustryThe broader industry is seeing robust capital investment from hyperscalers, though the global Radio Access Network (RAN) market is expected to remain flat in 2026. There is a structural shift toward 1.6T connectivity and 200G per lane technologies, alongside a growing trend of EU high-risk vendor replacement initiatives in telecom. | Where Things Are HeadedManagement raised FY26 data center growth guidance to 35-40% and is executing a roadmap toward 3.2T technologies. The company aims to double its revenue to $2 billion by focusing on high-power, high-frequency, and high-data-rate differentiated products while maintaining sequential gross margin improvements of 25 to 50 basis points. | Updates On ThemeIC | Broader Themes EmergingAI-driven connectivity needs; Drone defense as a new platform; Satellite-based broadband and direct-to-cell connectivity; Transition from retimed to linear (LPO/LRO) optical interconnects for power and latency savings. | Bullish-Leaning Quotes (Short)"Our current backlog remains at record levels." "We are raising our data center year-over-year revenue growth base case from 20% to 35 to 40%." "Exceeding $1 per share of quarterly EPS is a milestone for the company." | Bearish-Leaning Quotes (Short)"The global RAN market to be flat in 2026." "The schedule delay is primarily driven by satellite system changes." "I would expect [LPO] will remain small in the next one to two years." |
Notes
| Date | Comment | Comment Type | Comment Sentiment | Link | Price Reaction |
|---|---|---|---|---|---|
| 2026-02-05 | MACOM's Q1 2026 results featured a milestone $1.02 EPS and a record 1.3 book-to-bill ratio. The market's 3.54% gain reflects optimism over management raising FY26 data center growth guidance to 35-40%, fueled by 1.6T optical demand. Key takeaways include successful CW laser qualifications and potential RF power share gains following a competitor's exit. This reaction aligns with strong guidance and AI-driven infrastructure tailwinds. | Earnings Transcript | Neutral | https://www.macom.com/investors | +3.54% (vs SPY: +1.13%) |
Upcoming Events
| Catalyst ID | Estimated Timing | Estimated Date Start | Estimated Date End | Catalyst | Why It Matters | Ticker Or Theme Specific | Transcript Date | Source Type |
|---|---|---|---|---|---|---|---|---|
| MTSI_464533a4 | over the next month or 2 | 2026-09-05 | 2026-11-05 | Receipt of one of the largest orders in MACOM's European Semiconductor Center (MESC) history from a U.K. defense company for airborne defense systems. | This significant order would demonstrate strong traction and market penetration in the European defense market, contributing directly to future revenue growth for the MESC facility. | Ticker | 2026-08-06 | earnings_transcript |