Quantum-Si Inc (QSI)
About Quantum-Si Inc
Quantum-Si Inc is a life sciences company focused on proteomics research and analytical technologies. It develops single-molecule detection platforms designed to enable next-generation protein sequencing (NGPS) and large-scale protein analysis. Its technology supports massively parallel sequencing of proteins and can also be applied to the study of nucleic acids, providing tools for researchers and clinical applications in molecular analysis. The company's revenue is derived from sales of products and services.
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Financial summary
- Revenue FY2025
- $2.4M
- Net income
- -$101.3M
- Total assets
- $245.6M
- Market cap
- $228.6M
- Gross margin
- 47.3%
- Operating margin
- -4766.0%
- Net margin
- -4160.1%
Source: SEC EDGAR · updated Jun 8, 2026
Revenue & profit trend
Financial statements
Income statement
- Revenue
- $2.4M
- Cost of revenue
- $1.3M
- Gross profit
- $1.2M
- Operating expenses
- $117.3M
- Operating income
- -$116.1M
- Income tax
- $58.0K
- Net income
- -$101.3M
- EPS (basic)
- $-0.51
- EPS (diluted)
- $-0.51
Balance sheet
- Total assets
- $245.6M
- Current assets
- $175.9M
- Total liabilities
- $25.4M
- Current liabilities
- $23.0M
- Shareholders’ equity
- $220.2M
Cash flow
- Operating cash flow
- -$94.7M
- Investing cash flow
- -$28.3M
- Financing cash flow
- $95.4M
- Net cash flow
- -$27.6M
Statements via Polygon.io (SEC filings)
15-minute delayed · data by Polygon.io
Past year · hover for prices
52-week range
- Market cap
- $228.6M
- EPS (diluted)
- $-0.51
- Shares outstanding
- 296.9M
- Open
- —
- Day range
- –
- Prev close
- —
- Volume
- —
- IPO date
- Jun 11, 2021
Quantum-Si Inc (QSI) Stock Price
- Reported a net loss of $101.3M in FY2025.
- Gross margin of 47.3%, net margin -4160.1%.
- Trading 71% below its 52-week high.
Automatically generated from public filings and market data. Informational only — not investment advice or a recommendation to buy or sell any security.
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News about Quantum-Si Inc
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Quantum-Si Inc: frequently asked questions
Is Quantum-Si Inc an American company?
Quantum-Si Inc is a US-based company headquartered in Branford, Connecticut, listed in the americancompanies.com directory of American companies. Its American-origin credentials have not yet been independently verified.
Where is Quantum-Si Inc headquartered?
Quantum-Si Inc is headquartered in Branford, Connecticut, United States.
Is Quantum-Si Inc publicly traded?
Yes — Quantum-Si Inc is a publicly traded company. Its stock trades under the ticker symbol QSI on the NASDAQ.
What does Quantum-Si Inc do?
Quantum-Si Inc is an American Medical Devices company in the Health & Beauty sector.
When was Quantum-Si Inc founded?
Quantum-Si Inc was founded in 2013.
