Ambarella (AMBA) vs ChipMOS TECHNOLOGIES INC. (IMOS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
ChipMOS TECHNOLOGIES INC. (IMOS) has outperformed Ambarella (AMBA) over the past year, gaining 292.8% versus a loss of 19.9%. Over five years, IMOS leads with a +143.4% price change compared with -60.9% for AMBA. Ambarella is the larger company by market cap ($2.88 billion vs $2.73 billion), about 1.1 times the size.
On valuation, Ambarella trades at a lower forward P/E (58.3x vs 77.8x for ChipMOS TECHNOLOGIES INC.). ChipMOS TECHNOLOGIES INC. pays a dividend yielding 1.56%, while Ambarella does not currently pay one. ChipMOS TECHNOLOGIES INC. converts more of its revenue into profit, with a net margin of 6.3% versus -19.4%.
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 | AMBA | IMOS |
|---|---|---|
| Share price | $65.33 | $78.60 |
| Market cap | $2.88B | $2.73B |
| 1-day change | -3.84% | +0.27% |
| YTD return | -7.78% | +165.27% |
| 1-year return | -19.92% | +292.80% |
| 5-year return | -60.90% | +143.42% |
| P/E ratio (TTM) | — | 37.25 |
| Forward P/E | 58.30 | 77.82 |
| EPS (TTM) | $-1.25 | $2.11 |
| Dividend yield | 0.00% | 1.56% |
| Annual dividend | $0.00 | $1.23 |
| Revenue (latest FY) | $390.70M | $692.16M |
| Revenue growth (YoY) | +37.15% | -0.76% |
| Net income (latest FY) | $-75.86M | $43.90M |
| Gross margin | 59.19% | 12.97% |
| Operating margin | -21.12% | 5.61% |
| Net margin | -19.42% | 6.34% |
| 52-week high | $96.69 | $83.84 |
| 52-week low | $48.30 | $19.24 |
| Distance from 52-week high | -32.43% | -6.25% |
| Analyst consensus | none | — |
| Avg. price target upside | +36.78% | — |
| Average volume | 1.66M | 106.60K |
| Shares outstanding | 44.14M | 34.77M |
| Employees | 959 | — |
| 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
- IMOS has outperformed AMBA by 312.7 percentage points over the past year.
- ChipMOS TECHNOLOGIES INC. offers a meaningfully higher dividend yield (1.56% vs 0.00%).
- ChipMOS TECHNOLOGIES INC. is more profitable, keeping 6.3 cents of every revenue dollar as net income versus -19.4 cents for Ambarella.
- Ambarella grew revenue faster in its latest fiscal year (+37.15% vs -0.76%).
About Ambarella
AMBA stock →Ambarella, Inc. develops low-power system-on-a-chip, semiconductors, and software for edge and physical artificial intelligence, applications, and intelligent automation.
Technology · Semiconductors · 959 employees
About ChipMOS TECHNOLOGIES INC.
IMOS stock →ChipMOS TECHNOLOGIES INC. engages in the research and development, manufacture, and sale of integrated circuits, and related assembly and testing services in Taiwan, Japan, the People's Republic of China, and internationally.
Technology · Semiconductors
AMBA vs IMOS FAQ
Which is bigger, Ambarella or ChipMOS TECHNOLOGIES INC.?
Ambarella (AMBA) is larger, with a market capitalization of $2.88B compared with $2.73B for ChipMOS TECHNOLOGIES INC. (IMOS).
Which stock has performed better over the past year, AMBA or IMOS?
IMOS returned +292.80% over the past 12 months, compared with -19.92% for AMBA (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Ambarella or ChipMOS TECHNOLOGIES INC.?
ChipMOS TECHNOLOGIES INC. pays a dividend yielding 1.56%, while Ambarella does not currently pay a regular dividend.
Are Ambarella and ChipMOS TECHNOLOGIES INC. in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.