QSI Quantum-Si Inc
Data as of close
Healthcare · Measuring & Controlling Devices, Nec
Quantum-Si Inc (QSI) is a healthcare company in the Measuring & Controlling Devices, Nec industry, with a market capitalization of $274 million. Shares last traded at $1.25, 42.8% below their 52-week high. Over the past year the stock is down 38.3%. Revenue declined 20.3% year over year.
* P/E (TTM) = market cap ÷ net income over the trailing twelve months where four consecutive quarters are reported, otherwise the latest fiscal year — the same basis as the peer table and the screener, so it can differ from price ÷ EPS.
Performance
Chart
Full chart →Daily candles · volume · SMA(20)/SMA(50) · Databento EQUS.MINI.
Technicals
Financials
Trailing twelve months where four consecutive quarters are reported, otherwise the latest fiscal year; revenue is the fiscal-year figure where quarterly revenue covers under half of it (typical for banks, insurers and REITs), and margins are taken on it; latest reported period ends 2026-06-30. Source: SEC EDGAR/XBRL.
Recent earnings
| Period | EPS (diluted) | Reported |
|---|---|---|
| Q2 2026 | -$0.11 | 2026-08-13 |
| Q1 2026 | -$0.10 | 2026-05-07 |
| Q4 2025 (derived) | -$0.07 | 2026-03-03 |
| FY 2025 | -$0.51 | 2026-03-03 |
| Q3 2025 | -$0.17 | 2025-11-05 |
| Q2 2025 | -$0.16 | 2025-08-05 |
Q4 marked "derived" = fiscal-year EPS minus Q1–Q3 (10-Ks report only the annual figure); EPS is not strictly additive, so it can differ by a cent or two from the issuer's own Q4.
Measuring & Controlling Devices, Nec peers
QSI vs 10 industry peers (Measuring & Controlling Devices, Nec), by market cap. Data as of close
| TMO | Thermo Fisher Scientific | $253.0B | 35.77 | 5.34 | 14.9% | -2.03% |
| ROK | Rockwell Automation | $48.9B | 40.70 | 5.45 | 13.4% | +0.87% |
| TRMB | Trimble Inc. | $15.4B | — | 4.06 | -2.8% | +1.42% |
| ONTO | Onto Innovation | $9.4B | — | 9.34 | -0.4% | -5.02% |
| MIR | Mirion Technologies, Inc. | $4.5B | 154.26 | 4.14 | 2.7% | +1.69% |
| QSI | Quantum-Si Inc | $274M | — | 170.47 | — | -13.79% |
| OWLT | Owlet, Inc. | $126M | — | 1.10 | -7.8% | +6.28% |
| GEOS | GEOSPACE TECHNOLOGIES CORP | $53M | — | 0.58 | -43.1% | -7.01% |
| BCHT | Birchtech Corp. | $29M | — | 1.49 | -15.8% | -5.65% |
| NIKI | Niki BioSolutions, Inc. | $1M | — | — | — | -3.24% |
Source: SEC EDGAR (fundamentals/EPS/dividends) · Databento EQUS.MINI (prices) · market cap & yield computed by tradmap. Informational only — not financial advice.