Power Integrations (POWI) vs Ultra Clean (UCTT)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Ultra Clean (UCTT) has outperformed Power Integrations (POWI) over the past year, gaining 138.1% versus a gain of 29.8%. Over five years, UCTT leads with a +51.5% price change compared with -49.3% for POWI. Ultra Clean is the larger company by market cap ($3.06 billion vs $2.73 billion), about 1.1 times the size, while Power Integrations is growing revenue faster (+5.9% vs -2.1%).
On valuation, Ultra Clean trades at a lower forward P/E (10.8x vs 26.1x for Power Integrations). Power Integrations pays a dividend yielding 1.74%, while Ultra Clean does not currently pay one. Power Integrations converts more of its revenue into profit, with a net margin of 5.0% versus -8.8%.
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 | POWI | UCTT |
|---|---|---|
| Share price | $48.87 | $67.54 |
| Market cap | $2.73B | $3.06B |
| 1-day change | -2.05% | -0.06% |
| YTD return | +40.38% | +166.80% |
| 1-year return | +29.82% | +138.13% |
| 5-year return | -49.27% | +51.49% |
| P/E ratio (TTM) | 111.06 | — |
| Forward P/E | 26.09 | 10.82 |
| EPS (TTM) | $0.44 | $-0.51 |
| Dividend yield | 1.74% | 0.00% |
| Annual dividend | $0.85 | $0.00 |
| Revenue (latest FY) | $443.50M | $2.05B |
| Revenue growth (YoY) | +5.86% | -2.08% |
| Net income (latest FY) | $22.09M | $-181.20M |
| Gross margin | 54.49% | 15.72% |
| Operating margin | 2.30% | -5.23% |
| Net margin | 4.98% | -8.82% |
| 52-week high | $91.18 | $144.22 |
| 52-week low | $30.86 | $21.49 |
| Distance from 52-week high | -46.41% | -53.17% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +54.51% | +98.40% |
| Average volume | 737.60K | 1.12M |
| Shares outstanding | 55.87M | 45.28M |
| Employees | 877 | 6,948 |
| 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
- UCTT has outperformed POWI by 108.3 percentage points over the past year.
- Power Integrations offers a meaningfully higher dividend yield (1.74% vs 0.00%).
- Power Integrations is more profitable, keeping 5.0 cents of every revenue dollar as net income versus -8.8 cents for Ultra Clean.
- Power Integrations grew revenue faster in its latest fiscal year (+5.86% vs -2.08%).
About Power Integrations
POWI stock →Power Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits, and other electronic components and circuitry used in high-voltage power conversion.
Technology · Semiconductors · 877 employees
About Ultra Clean
UCTT stock →Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and cleaning and analytical services for the semiconductor industry in the United States and internationally.
Technology · Semiconductors · 6,948 employees
POWI vs UCTT FAQ
Which is bigger, Power Integrations or Ultra Clean?
Ultra Clean (UCTT) is larger, with a market capitalization of $3.06B compared with $2.73B for Power Integrations (POWI).
Which stock has performed better over the past year, POWI or UCTT?
UCTT returned +138.13% over the past 12 months, compared with +29.82% for POWI (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Power Integrations or Ultra Clean?
Power Integrations pays a dividend yielding 1.74%, while Ultra Clean does not currently pay a regular dividend.
Are Power Integrations and Ultra Clean in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.