Ambiq Micro (AMBQ) vs Photronics (PLAB)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Ambiq Micro (AMBQ) has outperformed Photronics (PLAB) over the past year, gaining 93.1% versus a gain of 29.3%. Photronics is the larger company by market cap ($1.75 billion vs $1.42 billion), about 1.2 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AMBQ | PLAB |
|---|---|---|
| Share price | $58.90 | $29.71 |
| Market cap | $1.42B | $1.75B |
| 1-day change | -4.97% | -1.33% |
| YTD return | +117.47% | -5.91% |
| 1-year return | +93.08% | +29.34% |
| 5-year return | — | +128.45% |
| P/E ratio (TTM) | — | 10.57 |
| Forward P/E | — | 14.31 |
| EPS (TTM) | $-0.38 | $2.81 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $91.61 | $56.00 |
| 52-week low | $22.12 | $20.05 |
| Distance from 52-week high | -35.71% | -46.95% |
| Analyst consensus | buy | none |
| Avg. price target upside | +48.91% | +39.11% |
| Average volume | 512.06K | 1.10M |
| Shares outstanding | 24.18M | 59.00M |
| Employees | 200 | 1,908 |
| Sector | Technology | Technology |
| Industry | Semiconductors | Semiconductors |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- AMBQ has outperformed PLAB by 63.7 percentage points over the past year.
About Ambiq Micro
AMBQ stock →Ambiq Micro, Inc. provides ultra-low-power semiconductor solutions in the United States, Europe, Asia, and internationally.
Technology · Semiconductors · 200 employees
About Photronics
PLAB stock →Photronics, Inc., together with its subsidiaries, engages in the manufacture and sale of photomask products and services in the United States, Taiwan, China, Korea, Europe, and internationally. It offers photomasks that are used in the manufacture of integrated circuits and flat panel displays (FPDs); and to transfer circuit patterns onto semiconductor wafers, and FDP substrates.
Technology · Semiconductors · 1,908 employees
AMBQ vs PLAB FAQ
Which is bigger, Ambiq Micro or Photronics?
Photronics (PLAB) is larger, with a market capitalization of $1.75B compared with $1.42B for Ambiq Micro (AMBQ).
Which stock has performed better over the past year, AMBQ or PLAB?
AMBQ returned +93.08% over the past 12 months, compared with +29.34% for PLAB (price return, excluding dividends). Past performance does not predict future results.
Are Ambiq Micro and Photronics in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.