Quantum-Si incorporated

QSI·NasdaqGM
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1.3600−0.1700 (−11.11%)today
At close: Oct 12, 4:00 PM EDT · May be delayed up to 15 min · USD
After hours1.3500−0.0100 (−0.74%)Oct 12, 7:59 PM EDT

Prices may be delayed up to 15 min. Not investment advice. News volume: articles in the 4Search index each day.

Key statistics

Previous close1.5300
Open1.4750
Day range1.34501.4750
52-week range0.69003.1000
Off day high−7.80%
Off 52-week high−56.13%
Volume10.24M
Avg. volume (3M)4.74M
Market cap297.68M
EPS (TTM)-0.4500
Forward P/E-3.89
P/E ratio (TTM)—
Dividend yield—
Beta (5Y)—
Shares outstanding198.95M
Short interest—
Earnings dateAug 13, 2026 (est.)
Analyst target—
Profit margin—

Against its peers

Compare in full ›
QSI PACB LAB QTRX ALMR TXG
Market cap 297.68M 652.74M 258.24M 149.45M 1.68B 9.80B
P/E (TTM) — — — — — —
Forward P/E -3.9 -5.0 -65.8 -2.3 -44.7 980.7
Price/book 1.7 -19.6 0.5 0.6 5.4 11.9
Dividend yield — — — — — —
1-year change −26.44% +43.83% −48.84% −44.22% +10.18% +595.26%
Today −11.11% −9.87% −4.58% −3.66% −4.08% −6.77%

The closest companies by business and industry (Medical Devices). Prices may be delayed up to 15 min.

Related companies

Compare ›

The businesses closest to QSI's by what they do, from their descriptions, with the same industry weighted in.

Company Mkt cap Price Today
Pacific Biosciences of California, Inc.PACB · Medical Devices 652.74M 2.1000 −9.87%
Standard BioTools Inc.LAB · Medical Devices 258.24M 0.6578 −4.58%
Quanterix CorporationQTRX · Medical Devices 149.45M 3.1600 −3.66%
Alamar Biosciences, Inc.ALMR · Medical Devices 1.68B 24.24 −4.08%
10x Genomics, Inc.TXG · Medical Devices 9.80B 75.19 −6.77%
NovoCure LimitedNVCR · Medical Devices 1.71B 14.72 +0.96%
Bruker CorporationBRKR · Medical Devices 8.57B 56.25 −4.40%
VolitionRx LimitedVNRX · Medical Devices 6.11M 0.2031 −3.88%

From the 4Search instruments index: what each company does (its business description), its industry, size, headquarters and the markets it serves; and from a year of daily prices, which move together. Prices may be delayed up to 15 min.

Latest news

All QSI news ›

No recent coverage in the 4Search index.

From articles in the 4Search news index.

Market data is provided for information only and comes from free public sources. Prices may be delayed up to 15 minutes; data may be incomplete or inaccurate. Nothing on this page is investment advice or a recommendation to buy or sell any security. News and coverage analytics are drawn from the 4Search index. Terms of use.