Enphase Energy (ENPH) vs OSI Systems (OSIS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Enphase Energy (ENPH) has outperformed OSI Systems (OSIS) over the past year, losing 8.7% versus a loss of 22.2%. Over five years, OSIS leads with a +103.8% price change compared with -81.0% for ENPH. Enphase Energy is the larger company by market cap ($4.31 billion vs $3.10 billion), about 1.4 times the size.
On valuation, Enphase Energy trades at a lower forward P/E (14.9x vs 15.2x for OSI Systems). Enphase Energy converts more of its revenue into profit, with a net margin of 11.7% versus 8.7%.
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 | OSIS |
|---|---|---|
| Share price | $32.64 | $194.31 |
| Market cap | $4.31B | $3.10B |
| 1-day change | -0.82% | +0.49% |
| YTD return | +2.68% | -24.19% |
| 1-year return | -8.66% | -22.22% |
| 5-year return | -80.97% | +103.75% |
| P/E ratio (TTM) | 32.64 | 21.71 |
| Forward P/E | 14.94 | 15.16 |
| EPS (TTM) | $1.00 | $8.95 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $1.47B | $1.79B |
| Revenue growth (YoY) | +10.72% | +4.25% |
| Net income (latest FY) | $172.13M | $154.71M |
| Gross margin | 46.64% | 33.21% |
| Operating margin | 10.69% | 12.26% |
| Net margin | 11.69% | 8.66% |
| 52-week high | $73.74 | $311.72 |
| 52-week low | $25.78 | $186.50 |
| Distance from 52-week high | -55.74% | -37.67% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +57.35% | +43.22% |
| Average volume | 4.40M | 232.35K |
| Shares outstanding | 132.14M | 15.94M |
| Employees | 2,872 | 7,806 |
| 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
- ENPH has outperformed OSIS by 13.6 percentage points over the past year.
- Enphase Energy trades at a higher earnings multiple (32.6x vs 21.7x trailing P/E).
- Enphase Energy grew revenue faster in its latest fiscal year (+10.72% vs +4.25%).
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 OSI Systems
OSIS stock →OSI Systems, Inc. designs and manufactures specialized electronic systems and components for critical applications in the United States, Mexico, the rest of Americas, the United Kingdom, Europe, the Middle East, Africa, and the Asia-Pacific.
Technology · Semiconductors · 7,806 employees
ENPH vs OSIS FAQ
Which is bigger, Enphase Energy or OSI Systems?
Enphase Energy (ENPH) is larger, with a market capitalization of $4.31B compared with $3.10B for OSI Systems (OSIS).
Which stock has performed better over the past year, ENPH or OSIS?
ENPH returned -8.66% over the past 12 months, compared with -22.22% for OSIS (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, ENPH or OSIS?
OSIS has the lower trailing P/E at 21.7, versus 32.6 for ENPH. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are Enphase Energy and OSI Systems in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.