ASE Technology (ASX) vs STMicroelectronics N.V. (STM)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
ASE Technology (ASX) has outperformed STMicroelectronics N.V. (STM) over the past year, gaining 302.1% versus a gain of 99.5%. Over five years, ASX leads with a +565.1% price change compared with +32.1% for STM. ASE Technology is the larger company by market cap ($100.45 billion vs $48.41 billion), about 2.1 times the size.
On valuation, STMicroelectronics N.V. trades at a lower forward P/E (21.3x vs 23.4x for ASE Technology). STMicroelectronics N.V. pays a dividend yielding 0.67%, while ASE Technology does not currently pay one. ASE Technology converts more of its revenue into profit, with a net margin of 6.2% versus 1.4%.
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 | ASX | STM |
|---|---|---|
| Share price | $45.69 | $54.05 |
| Market cap | $100.45B | $48.41B |
| 1-day change | -0.16% | -3.79% |
| YTD return | +184.22% | +116.58% |
| 1-year return | +302.11% | +99.50% |
| 5-year return | +565.12% | +32.13% |
| P/E ratio (TTM) | 54.39 | — |
| Forward P/E | 23.39 | 21.27 |
| EPS (TTM) | $0.84 | $0.04 |
| Dividend yield | 0.91% | 0.67% |
| Annual dividend | $0.00 | $0.36 |
| Revenue (latest FY) | $20.57B | $11.80B |
| Revenue growth (YoY) | +13.30% | -11.07% |
| Net income (latest FY) | $1.28B | $166.00M |
| Gross margin | 17.69% | 33.89% |
| Operating margin | 7.97% | 1.48% |
| Net margin | 6.20% | 1.41% |
| 52-week high | $47.93 | $81.42 |
| 52-week low | $11.07 | $21.11 |
| Distance from 52-week high | -4.68% | -33.62% |
| Analyst consensus | none | buy |
| Avg. price target upside | +11.63% | +38.83% |
| Average volume | 7.44M | 9.56M |
| Shares outstanding | 2.20B | 895.70M |
| Employees | 114,179 | 49,000 |
| 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
- ASE Technology is about 2.1 times larger than STMicroelectronics N.V. by market value ($100.45B vs $48.41B).
- ASX has outperformed STM by 202.6 percentage points over the past year.
- ASE Technology grew revenue faster in its latest fiscal year (+13.30% vs -11.07%).
About ASE Technology
ASX stock →ASE Technology Holding Co., Ltd., together with its subsidiaries, provides semiconductor manufacturing services in the United States, Taiwan, rest of Asia, Europe, and internationally. It operates through Packaging, Testing, and EMS.
Technology · Semiconductors · 114,179 employees
About STMicroelectronics N.V.
STM stock →STMicroelectronics N.V., together with its subsidiaries, designs, develops, manufactures, and sells semiconductor products in Europe, the Middle East, Africa, the Americas, and the Asia Pacific. The company operates through Analog products, MEMS and Sensors Group (AM&S); Power and Discrete products (P&D); Embedded Processing (EMP); and RF Products (D&RF) segments.
Technology · Semiconductors · 49,000 employees
ASX vs STM FAQ
Which is bigger, ASE Technology or STMicroelectronics N.V.?
ASE Technology (ASX) is larger, with a market capitalization of $100.45B compared with $48.41B for STMicroelectronics N.V. (STM).
Which stock has performed better over the past year, ASX or STM?
ASX returned +302.11% over the past 12 months, compared with +99.50% for STM (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, ASE Technology or STMicroelectronics N.V.?
ASE Technology has the higher yield at 0.91%, compared with 0.67% for STMicroelectronics N.V..
Are ASE Technology and STMicroelectronics N.V. in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.