
Quantum-Si incorporated (QSI)
This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 p.m. to 4 a.m. ET, Sunday through Thursday, when regular markets are closed.
- Previous close
1.0700 - Open
1.2000 - Bid 0.5415 x 200
- Ask 0.9885 x 200
- Day's range
1.1500 - 1.4800 - 52-week range
0.6900 - 3.1000 - Volume
32,524,337 - Avg. Volume
3,441,841 - Market cap (intra-day)
313.004M - Beta (5Y monthly) 3.25
- PE ratio (TTM)
-- - EPS (TTM)
-0.6100 - Earnings date (est.) 5 Nov 2026
- Forward dividend & yield --
- Ex-dividend date --
- 1y target est
2.28
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. It also provides Platinum analysis software, a cloud-based solution that automates data analysis workflows and visualizes the sequencing results. The company was founded in 2013 and is headquartered in Branford, Connecticut.
www.quantum-si.com145
Full-time employees
31 December
Fiscal year ends
Healthcare
Sector
Medical Devices
Industry
Recent news
View morePerformance overview
Trailing total returns as of 01/10/2026, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) .
YTD return
1-year return
3-year return
5-year return
Earnings trends
View moreAnalyst insights
View moreStatistics
View moreValuation measures
Market cap
166.33M
Enterprise value
57.84M
Trailing P/E
--
Forward P/E
--
PEG ratio (5-yr expected)
--
Price/sales (ttm)
101.72
Price/book (mrq)
0.92
Enterprise value/revenue
36.04
Enterprise value/EBITDA
--
Financial highlights
Profitability and income statement
Profit margin
0.00%
Return on assets (ttm)
-25.71%
Return on equity (ttm)
-49.11%
Revenue (ttm)
1.6M
Net income avi to common (ttm)
-98.52M
Diluted EPS (ttm)
-0.6100
Balance sheet and cash flow
Total cash (mrq)
111.74M
Total debt/equity (mrq)
1.81%
Levered free cash flow (ttm)
-50.13M
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