Energy Recovery (ERII) vs Serve Robotics (SERV)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Energy Recovery (ERII) has outperformed Serve Robotics (SERV) over the past year, losing 56.8% versus a loss of 67.3%. Serve Robotics is the larger company by market cap ($404.1 million vs $343.5 million), about 1.2 times the size.
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 | ERII | SERV |
|---|---|---|
| Share price | $6.73 | $4.66 |
| Market cap | $343.53M | $404.06M |
| 1-day change | -4.94% | -2.31% |
| YTD return | -50.11% | -55.11% |
| 1-year return | -56.78% | -67.25% |
| 5-year return | -66.25% | — |
| P/E ratio (TTM) | 25.88 | — |
| Forward P/E | 20.09 | — |
| EPS (TTM) | $0.26 | $-2.47 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $18.32 | $18.64 |
| 52-week low | $6.60 | $4.17 |
| Distance from 52-week high | -63.26% | -75.00% |
| Analyst consensus | none | none |
| Avg. price target upside | +18.87% | +160.52% |
| Average volume | 943.38K | 3.65M |
| Shares outstanding | 51.04M | 86.71M |
| Employees | 230 | 370 |
| Sector | Technology | Industrials |
| Industry | Industrial Machinery/Components | Industrial Machinery/Components |
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
- ERII has outperformed SERV by 10.5 percentage points over the past year.
- The two companies sit in different sectors: Energy Recovery in Technology and Serve Robotics in Industrials.
About Energy Recovery
ERII stock →Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and sells energy efficiency technology solutions in the United States, North, South and Latin America, the Middle East, Northern Africa, Asia, and Europe. It operates through Water and Emerging Technologies segments.
Technology · Industrial Machinery/Components · 230 employees
About Serve Robotics
SERV stock →Serve Robotics Inc. designs, develops, and operates low-emission robots that serve people in public and commercial spaces for food delivery activity in the United States.
Industrials · Industrial Machinery/Components · 370 employees
ERII vs SERV FAQ
Which is bigger, Energy Recovery or Serve Robotics?
Serve Robotics (SERV) is larger, with a market capitalization of $404.06M compared with $343.53M for Energy Recovery (ERII).
Which stock has performed better over the past year, ERII or SERV?
ERII returned -56.78% over the past 12 months, compared with -67.25% for SERV (price return, excluding dividends). Past performance does not predict future results.
Are Energy Recovery and Serve Robotics in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Technology sector.