Quantum-Si Inc
QSI Nasdaq· Measuring & Controlling Devices, Nec
Last close · Oct 23, 2026
$1.40
KIRA · Stoqly’s AI analyst, in plain words
- Quantum-Si Inc had $2.4M of revenue in fiscal 2025, down 20.3% on the year before.
- Its operating margin was −4,766.0%, down 1,215.4 pts: of every 100 in sales, about −4,766 is left after running the business.
- Quantum-Si Inc lost $101M in fiscal 2025.
- Free cash flow was −$97.2M in fiscal 2025, −3,991.5% of revenue.
Market cap
$305M
P/E
—
Revenue
$2.4M
Net income
−$101M
Free cash flow
−$97.2M
Operating margin
−4,766.0%
Quantum-Si Inc in 30 seconds · fiscal 2025
Are sales growing?
−20.3%
No. Sales fell 20.3% last year.
Does it make a profit?
−4,160.1%
No. It lost money last year.
Does profit turn into cash?
−3,991.5%
No. It spent more cash than it brought in.
How healthy are the accounts?
1 / 8
Weak. It passes 1 of 8 health tests.
How is the share priced?
—
No P/E: it made no profit over the last four quarters.
What Quantum-Si Inc does
No business description yet.
- Fiscal year ends
- December 31, 2025
- Latest annual report
- 10-K · Mar 3, 2026
- Legal name
- Quantum-Si Inc
- CIK
- 0001816431
Quantum-Si Inc · QSI
Results and finances
The last 5 fiscal years. Amounts in USD.
| Fiscal year | FY21 | FY22 | FY23 | FY24 | FY25 |
|---|---|---|---|---|---|
| Sales and profit | |||||
| Revenue | $0.0M | $0.0M | $1.1M | $3.1M | $2.4M |
| Revenue growth | — | — | — | 182.6% | −20.3% |
| Net interest income | −$0.0M | $0.0M | $0.0M | — | — |
| Gross margin | — | — | 45.1% | 52.3% | 47.3% |
| Operating margin | — | — | −10,274.6% | −3,550.6% | −4,766.0% |
| Net income | −$95.0M | −$132M | −$96.0M | −$101M | −$101M |
| Net margin | — | — | −8,868.8% | −3,303.0% | −4,160.1% |
| Diluted EPS | −$1.19 | −$0.95 | −$0.68 | −$0.71 | −$0.51 |
| Cash | |||||
| Cash from operations | −$66.8M | −$90.6M | −$94.0M | −$87.8M | −$94.7M |
| Capital expenditure | $5.8M | $10.7M | $4.5M | $4.6M | $2.5M |
| Free cash flow | −$72.6M | −$101M | −$98.5M | −$92.4M | −$97.2M |
| FCF margin | — | — | −9,107.8% | −3,020.9% | −3,991.5% |
| Share count change | 1,385.9% | 75.0% | 1.5% | 1.3% | 38.1% |
| Debt and strength | |||||
| Cash and short-term investments | $471M | $84.3M | $134M | $210M | $163M |
| Shareholders' equity | $477M | $359M | $272M | $215M | $220M |
| Current ratio | 41.4x | 22.8x | 22.9x | 12.0x | 7.6x |
| Interest coverage | −19,381.6x | — | — | — | — |
| Returns and quality | |||||
| Return on equity | −59.9% | −31.7% | −30.4% | −41.5% | −46.5% |
| Return on tangible equity | −20.3% | −36.9% | −35.4% | −46.9% | −46.0% |
| Piotroski F-score | — | 1 | 4 | 3 | 1 |
| Altman Z'' | 22.2 | 11.8 | 8.4 | 1.5 | 0.8 |
Insiders bought, 12 months
$0.6M
2 insiders
Insiders sold, 12 months
$0.5M
4 insiders
Of sales under plans
0%
$0.0M
How to read these numbers
- Revenue:
- Total sales reported in the income statement.
- Operating margin:
- Operating income as a share of revenue.
- Net income:
- Profit after all expenses, interest and tax.
- Free cash flow:
- Cash from operations minus capital spending.
- Net debt / EBITDA:
- Years of EBITDA needed to pay off net debt. Below zero means more cash than debt.
- Return on capital:
- After-tax operating income as a share of the money invested in the business: debt plus equity, minus cash.
Quantum-Si Inc · QSI
Charts and comparison
Ten years at a glance, and how it stacks up against similar companies.
Revenue
Net income
Margins, % of revenue
Cash vs debt (incl. leases)
Free cash flow
Dividends and buybacks
KIRA
At $1.40 a share, the company is worth $305M.
Source: SEC EDGAR XBRL filings (CIK 0001816431). Data updated October 24, 2026. For information only — not investment advice. Check the original filings before relying on any figure.