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MTSI vs TSEM
Which Stock Would AI Choose? MACOM Technology Solutions Holdings (MTSI) vs. Tower Semiconductor (TSEM) Stock Comparison
Key Takeaways
- MTSI has delivered strong year-to-date returns of approximately 42%, driven by data center and defense market growth, though recent weeks saw volatility with a pullback from 52-week highs.
- TSEM has surged over 56% year-to-date and nearly 380% over the past year, fueled by AI infrastructure demand and silicon photonics advancements.
- Both semiconductor firms benefit from high-performance analog and specialty processes, but TSEM's foundry model shows superior recent momentum amid AI data center expansions.
- MTSI reports robust Q1 FY2026 revenue growth of 24.5% year-over-year, while TSEM achieved record Q4 2025 revenue of $440 million, up 14% year-over-year.
- Market caps are closely matched around $18-21 billion, with elevated P/E ratios reflecting growth expectations in telecom, AI, and optical sectors.
- Recent AI-related announcements have boosted TSEM more sharply, with shares hitting new highs.
Introduction
This stock comparison examines MTSI and TSEM, two key players in the analog and specialty semiconductor space. Both companies provide critical components for high-frequency applications in telecommunications, data centers, defense, and emerging AI infrastructure. Traders seeking exposure to semiconductor growth amid rising demand for 5G, optical networking, and AI acceleration will find this analysis relevant for evaluating relative performance, momentum, and market positioning. Investors focused on long-term trends in RF, microwave, and silicon photonics technologies can assess trade-offs in business models and recent catalysts shaping their trajectories in the current market environment.
MTSI Overview and Recent Performance
MACOM Technology Solutions Holdings (MTSI) designs and manufactures analog semiconductors for RF, microwave, millimeter wave, and lightwave applications, serving telecom infrastructure, data centers, defense, and industrial markets. In recent market activity, the stock has shown resilience with year-to-date gains around 42%, outperforming broader indices. Fiscal Q1 2026 revenue reached $271.6 million, up 24.5% year-over-year, supported by strong bookings and backlog at record levels. Sentiment has been influenced by product launches like PCIe 7.0 linear equalizers and 448G drivers for data center connectivity, alongside microwave solutions for satellite communications. However, shares experienced volatility in recent weeks, dipping from a 52-week high near $259 before rebounding, reflecting broader sector rotations and valuation reassessments amid high P/E multiples.
TSEM Overview and Recent Performance
Tower Semiconductor (TSEM) operates as an independent foundry specializing in customizable analog and mixed-signal processes, including SiGe, RF CMOS, and silicon photonics platforms for automotive, consumer, and AI data center chips. Recent performance has been explosive, with year-to-date returns exceeding 56% and one-year gains near 381%, far outpacing peers. Q4 2025 revenue hit a record $440 million, up 14% year-over-year and 11% quarter-over-quarter, driven by RF infrastructure and hyperscaler demand. Key developments include 400Gbps-per-lane silicon modulators with Coherent, Gen3 BCD power platforms for AI, and expansions in 300mm capacity in Japan. Shares recently hit 25-year highs following AI networking partnerships, though rapid surges introduce heightened volatility tied to execution in high-growth end-markets.
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Head-to-Head Comparison
MTSI focuses on proprietary standard and custom devices like amplifiers and subsystems, emphasizing integrated solutions for defense and telecom, while TSEM’s pure-play foundry model caters to fabless designers in silicon photonics and power management, offering flexibility for AI-specific custom processes. Growth drivers differ: MTSI leverages data center opticals and PCIe advancements amid steady defense spending, whereas TSEM rides hyperscaler AI demand with RF infrastructure up 75% in recent periods. Recent momentum favors TSEM, with sharper rallies on AI deals versus MTSI’s post-earnings volatility. Risk factors include MTSI’s higher beta exposure to cyclical telecoms and TSEM’s geopolitical sensitivities in Israel. Both share sector overlap in semis but trade off stability for explosive AI catalysts.
Tickeron AI Verdict
Tickeron’s AI currently favors TSEM due to superior trend consistency, with shares achieving new highs on AI data center catalysts like silicon photonics and power platforms, alongside record revenues and capacity expansions. Relative positioning shows stronger momentum and YTD outperformance versus MTSI’s recent pullback, though MTSI offers stability in defense markets. Probabilistic edge tilts to TSEM amid observable AI infrastructure tailwinds.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full Disclaimers and Limitations.
To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is MTSI is a Hold and TSEM is a Hold.
Long-Term Analysis
It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
MTSI’s FA Score shows that 1 FA rating(s) are green whileTSEM’s FA Score has 2 green FA rating(s).
- MTSI’s FA Score: 1 green, 4 red.
- TSEM’s FA Score: 2 green, 3 red.
Short-Term Analysis
It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.
If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.
MTSI’s TA Score shows that 6 TA indicator(s) are bullish while TSEM’s TA Score has 6 bullish TA indicator(s).
- MTSI’s TA Score: 6 bullish, 4 bearish.
- TSEM’s TA Score: 6 bullish, 4 bearish.
Price Growth
MTSI (@Semiconductors) experienced а +7.31% price change this week, while TSEM (@Semiconductors) price change was +11.23% for the same time period.
The average weekly price growth across all stocks in the @Semiconductors industry was +11.63%. For the same industry, the average monthly price growth was +20.79%, and the average quarterly price growth was +24.53%.
Reported Earning Dates
MTSI is expected to report earnings on Apr 30, 2026.
TSEM is expected to report earnings on May 18, 2026.
Industries' Descriptions
@Semiconductors (+11.63% weekly)The semiconductor industry manufacturers all chip-related products, including research and development. These chips are used in innumerable electronic devices, including computers, cell phones, smartphones, and GPSs. Intel Corporation, NVIDIA Corp., and Broadcomm are some of the prominent players in this industry. Semiconductor companies usually tend to do well during periods of healthy economic growth, thereby inducing further research and development in the industry – which in turn augurs well for productivity and growth in the economy. In the near future, demand for semiconductor products (and possibly innovation within the segment) should only expand further, with the proliferation of 5G, autonomous vehicles, IoT, and various AI-driven electronics set to herald a new, advanced chapter in the technology-driven world as we know it. With burgeoning prospects comes great competition. In 2015, SIA estimated that U.S. semiconductor industry ranks as the second most competitive U.S. industry out of 2882 U.S. industries designated manufacturers by the U.S. Census Bureau.
| MTSI | TSEM | MTSI / TSEM | |
| Capitalization | 20.8B | 24.6B | 85% |
| EBITDA | 259M | 507M | 51% |
| Gain YTD | 61.706 | 92.855 | 66% |
| P/E Ratio | 125.33 | 116.72 | 107% |
| Revenue | 1.02B | 1.51B | 67% |
| Total Cash | 768M | 1.22B | 63% |
| Total Debt | 531M | 164M | 324% |
MTSI | TSEM | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 42 | 42 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 83 Overvalued | 88 Overvalued | |
PROFIT vs RISK RATING 1..100 | 8 | 3 | |
SMR RATING 1..100 | 59 | 79 | |
PRICE GROWTH RATING 1..100 | 36 | 34 | |
P/E GROWTH RATING 1..100 | 44 | 3 | |
SEASONALITY SCORE 1..100 | 50 | 50 |
Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.
MTSI's Valuation (83) in the Semiconductors industry is in the same range as TSEM (88). This means that MTSI’s stock grew similarly to TSEM’s over the last 12 months.
TSEM's Profit vs Risk Rating (3) in the Semiconductors industry is in the same range as MTSI (8). This means that TSEM’s stock grew similarly to MTSI’s over the last 12 months.
MTSI's SMR Rating (59) in the Semiconductors industry is in the same range as TSEM (79). This means that MTSI’s stock grew similarly to TSEM’s over the last 12 months.
TSEM's Price Growth Rating (34) in the Semiconductors industry is in the same range as MTSI (36). This means that TSEM’s stock grew similarly to MTSI’s over the last 12 months.
TSEM's P/E Growth Rating (3) in the Semiconductors industry is somewhat better than the same rating for MTSI (44). This means that TSEM’s stock grew somewhat faster than MTSI’s over the last 12 months.
| MTSI | TSEM | |
|---|---|---|
| RSI ODDS (%) | 3 days ago 70% | 3 days ago 67% |
| Stochastic ODDS (%) | 3 days ago 57% | 3 days ago 59% |
| Momentum ODDS (%) | 3 days ago 76% | 3 days ago 70% |
| MACD ODDS (%) | 3 days ago 77% | 4 days ago 80% |
| TrendWeek ODDS (%) | 3 days ago 77% | 3 days ago 70% |
| TrendMonth ODDS (%) | 3 days ago 79% | 3 days ago 75% |
| Advances ODDS (%) | 3 days ago 74% | 5 days ago 68% |
| Declines ODDS (%) | 21 days ago 70% | 21 days ago 61% |
| BollingerBands ODDS (%) | 3 days ago 70% | 3 days ago 60% |
| Aroon ODDS (%) | 3 days ago 79% | 3 days ago 76% |
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TSEM and
Correlation & Price change
A.I.dvisor indicates that over the last year, TSEM has been loosely correlated with MTSI. These tickers have moved in lockstep 64% of the time. This A.I.-generated data suggests there is some statistical probability that if TSEM jumps, then MTSI could also see price increases.
| Ticker / NAME | Correlation To TSEM | 1D Price Change % | ||
|---|---|---|---|---|
| TSEM | 100% | +5.45% | ||
| MTSI - TSEM | 64% Loosely correlated | +5.95% | ||
| AMKR - TSEM | 61% Loosely correlated | +7.11% | ||
| AMBA - TSEM | 60% Loosely correlated | +1.59% | ||
| KLIC - TSEM | 60% Loosely correlated | +2.79% | ||
| KLAC - TSEM | 60% Loosely correlated | +3.26% | ||
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