Quantum-Si (QSI) vs Serve Robotics (SERV)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Quantum-Si (QSI) has outperformed Serve Robotics (SERV) over the past year, losing 31.1% versus a loss of 67.6%. Serve Robotics is the larger company by market cap ($378.5 million vs $348.0 million), about 1.1 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 | QSI | SERV |
|---|---|---|
| Share price | $1.59 | $4.37 |
| Market cap | $348.00M | $378.48M |
| 1-day change | +30.32% | -1.91% |
| YTD return | +10.91% | -57.13% |
| 1-year return | -31.07% | -67.62% |
| 5-year return | -85.81% | — |
| EPS (TTM) | $-0.45 | $-2.47 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $3.10 | $18.64 |
| 52-week low | $0.69 | $4.17 |
| Distance from 52-week high | -48.71% | -76.58% |
| Analyst consensus | buy | none |
| Avg. price target upside | +43.41% | +178.12% |
| Average volume | 4.15M | 3.63M |
| Shares outstanding | 198.95M | 86.71M |
| Employees | 145 | 370 |
| Sector | Industrials | 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
- QSI has outperformed SERV by 36.6 percentage points over the past year.
About Quantum-Si
QSI stock →Quantum-Si incorporated, a life sciences company, develops proprietary, universal, and single-molecule detection platform applied to proteomics to enable next-gen protein sequencing (NGPS). The company offers Platinum and Platinum Pro NGPS instruments for single-molecule, amino acid level resolution, and automated data analysis; library preparation kits to prepare a customer's protein sample for sequencing; and sequencing kits, which contain the reagents and consumables used to perform NGPS.
Industrials · Industrial Machinery/Components · 145 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
QSI vs SERV FAQ
Which is bigger, Quantum-Si or Serve Robotics?
Serve Robotics (SERV) is larger, with a market capitalization of $378.48M compared with $348.00M for Quantum-Si (QSI).
Which stock has performed better over the past year, QSI or SERV?
QSI returned -31.07% over the past 12 months, compared with -67.62% for SERV (price return, excluding dividends). Past performance does not predict future results.
Are Quantum-Si and Serve Robotics in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Industrials sector.