Enphase Energy (ENPH) vs Ultra Clean (UCTT)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Ultra Clean (UCTT) has outperformed Enphase Energy (ENPH) over the past year, gaining 159.6% versus a loss of 7.6%. Over five years, UCTT leads with a +60.1% price change compared with -80.6% for ENPH. Enphase Energy is the larger company by market cap ($4.33 billion vs $3.06 billion), about 1.4 times the size.
On valuation, Ultra Clean trades at a lower forward P/E (10.6x vs 15.0x for Enphase Energy). Enphase Energy converts more of its revenue into profit, with a net margin of 11.7% 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 | ENPH | UCTT |
|---|---|---|
| Share price | $32.80 | $67.58 |
| Market cap | $4.33B | $3.06B |
| 1-day change | -2.09% | -5.38% |
| YTD return | +4.52% | +181.96% |
| 1-year return | -7.64% | +159.61% |
| 5-year return | -80.63% | +60.10% |
| P/E ratio (TTM) | 32.80 | — |
| Forward P/E | 14.97 | 10.57 |
| EPS (TTM) | $1.00 | $-0.51 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $1.47B | $2.05B |
| Revenue growth (YoY) | +10.72% | -2.08% |
| Net income (latest FY) | $172.13M | $-181.20M |
| Gross margin | 46.64% | 15.72% |
| Operating margin | 10.69% | -5.23% |
| Net margin | 11.69% | -8.82% |
| 52-week high | $73.74 | $144.22 |
| 52-week low | $25.78 | $21.49 |
| Distance from 52-week high | -55.52% | -53.14% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +56.59% | +98.28% |
| Average volume | 4.40M | 1.12M |
| Shares outstanding | 132.14M | 45.28M |
| Employees | 2,872 | 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 ENPH by 167.3 percentage points over the past year.
- Enphase Energy is more profitable, keeping 11.7 cents of every revenue dollar as net income versus -8.8 cents for Ultra Clean.
- Enphase Energy grew revenue faster in its latest fiscal year (+10.72% vs -2.08%).
About Enphase Energy
ENPH stock →Enphase Energy, Inc., together with its subsidiaries, designs, develops, manufactures, and sells home energy solutions for the solar photovoltaic industry in the United States and internationally. The company offers semiconductor-based microinverter that converts energy at the individual solar module level and combines with its proprietary networking and software technologies to provide energy monitoring and control.
Technology · Semiconductors · 2,872 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
ENPH vs UCTT FAQ
Which is bigger, Enphase Energy or Ultra Clean?
Enphase Energy (ENPH) is larger, with a market capitalization of $4.33B compared with $3.06B for Ultra Clean (UCTT).
Which stock has performed better over the past year, ENPH or UCTT?
UCTT returned +159.61% over the past 12 months, compared with -7.64% for ENPH (price return, excluding dividends). Past performance does not predict future results.
Are Enphase Energy and Ultra Clean in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.