Quantum-Si incorporated (QSI) Key Metrics
QSI valuation today
Trailing 12 months · as of October 18, 2026- Market cap
- $245.1M
- Enterprise value
- $57.8M
- P/E (TTM)
- —
- Forward P/E
- —
- PEG ratio
- —
- Price / sales
- 152.7 10-yr median 194.5
- Price / book
- 0.9 10-yr median 1.0
- EV / EBITDA
- 0.6
- Dividend yield
- —
- Beta
- 3.22
QSI key metrics, 2019–2025
Fiscal year ended December 31, 2025 · U.S. dollarsQSI valuation Price multiples at each fiscal year-end price.
QSI returns How much profit the business earns on the capital it uses.
QSI per-share figures Results divided by the shares outstanding at year-end.
QSI financial health Debt, liquidity and how easily interest is covered.
QSI efficiency & capital use Working capital cycle and where the cash goes.
QSI valuation history
QSI returns on capital
Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.
QSI debt vs cash
Debt includes short- and long-term borrowings and, where reported, lease liabilities.
QSI price vs earnings per share
QSI key metrics
2019–2025| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|
| Valuation | |||||||
| Market capitalization | $217.5M | $386.6M | $284.0M | $254.8M | $626.3M | — | — |
| Enterprise value | $58.8M | $190.0M | $41.6M | −$79.0M | $163.1M | — | — |
| Price / sales | 89.3 | 126.4 | 262.5 | 555.2 | — | — | — |
| Price / book | 1.0 | 1.8 | 1.0 | 0.7 | 1.3 | — | — |
| EV / sales | 24.1 | 62.1 | 38.4 | -172.2 | — | — | — |
| Earnings yield | −46.6% | −26.1% | −33.8% | −52.0% | −15.2% | — | — |
| Free cash flow yield | −44.7% | −23.9% | −35.0% | −39.8% | −11.6% | — | — |
| Shareholder yield (dividends + buybacks) | — | — | — | 0.0% | 0.0% | — | — |
| Share price at fiscal year-end | $1.10 | $2.70 | $2.01 | $1.83 | $7.87 | $10.15 | — |
| Per share | |||||||
| Revenue per share | $0.01 | $0.02 | $0.01 | $0.00 | $0.00 | — | $0.00 |
| Earnings per share | −$0.51 | −$0.71 | −$0.68 | −$0.95 | −$1.19 | — | −$0.26 |
| Operating cash flow per share | −$0.48 | −$0.61 | −$0.67 | −$0.65 | −$0.84 | — | −$0.23 |
| Free cash flow per share | −$0.49 | −$0.65 | −$0.70 | −$0.73 | −$0.91 | — | −$0.23 |
| Cash per share | $0.82 | $1.46 | $1.82 | $2.52 | $5.92 | — | $0.24 |
| Book value per share | $1.11 | $1.50 | $1.92 | $2.58 | $5.99 | — | $0.26 |
| Tangible book value per share | $1.11 | $1.50 | $1.92 | $2.58 | $5.88 | — | $0.26 |
| Capex per share | $0.01 | $0.03 | $0.04 | $0.08 | $0.07 | — | $0.01 |
| Debt per share | $0.02 | $0.09 | $0.11 | $0.13 | $0.10 | — | — |
| Shares outstanding | 197.8M | 143.2M | 141.3M | 139.3M | 79.6M | — | 136.4M |
| Change in shares outstanding | +38.1% | +1.3% | +1.5% | +75.0% | — | — | — |
| Returns & profitability | |||||||
| Return on equity (ROE) | −46.5% | −41.5% | −30.4% | −31.7% | −37.0% | −102.3% | −101.0% |
| Return on invested capital (ROIC) | −191.7% | −357.8% | −325.1% | −506.2% | — | — | — |
| Return on assets (ROA) | −41.1% | −37.0% | −27.8% | −29.6% | −34.9% | −93.9% | −95.7% |
| Return on tangible assets | −41.3% | −40.7% | −32.2% | −33.8% | −19.2% | −90.2% | −95.7% |
| Financial health | |||||||
| Total debt | $4.2M | $12.9M | $15.3M | $17.4M | $8.1M | $1.7M | — |
| Cash & short-term investments | $162.9M | $209.6M | $257.7M | $351.3M | $471.3M | $36.9M | $32.9M |
| Net debt | −$158.7M | −$196.7M | −$242.4M | −$333.9M | −$463.2M | −$35.2M | −$32.9M |
| Debt / equity | 0.02 | 0.06 | 0.06 | 0.05 | 0.02 | 0.05 | — |
| Debt / assets | 0.02 | 0.05 | 0.05 | 0.04 | 0.02 | 0.04 | — |
| Current ratio | 7.64 | 11.99 | 22.94 | 22.81 | 41.39 | 13.75 | 17.57 |
| Quick ratio | 7.50 | 11.76 | 22.60 | 22.82 | 41.47 | 13.75 | 17.57 |
| Interest coverage | — | — | — | -9.3 | — | — | — |
| Working capital | $152.8M | $199.8M | $254.7M | $342.5M | $465.6M | $35.1M | $31.9M |
| Invested capital | $61.5M | $18.8M | $29.2M | $24.8M | $13.8M | $928,000 | $2.5M |
| Tangible asset value | $220.2M | $215.4M | $271.1M | $358.7M | $467.6M | $36.1M | $35.5M |
| Net current asset value | $150.5M | $185.6M | $239.7M | $325.4M | $451.0M | $33.4M | $31.9M |
| Graham net-net per share | $0.71 | $1.26 | $1.65 | $2.29 | $5.60 | — | $0.23 |
| Capital allocation | |||||||
| Share buybacks (net) | — | — | — | $0 | $0 | $0 | — |
| Capex / revenue | 103.3% | 149.9% | 487.3% | 2,340.1% | — | — | — |
| Capex / depreciation | 0.57 | 1.00 | 1.27 | 4.16 | 5.54 | 0.52 | 1.59 |
| Stock-based compensation / revenue | 442.2% | 290.6% | 787.1% | 2,441.4% | — | — | — |
| R&D / revenue | 2,206.9% | 1,950.3% | 6,194.5% | 15,699.8% | — | — | — |
| SG&A / revenue | 1,837.2% | 1,652.6% | 3,993.8% | 9,214.8% | — | — | — |
| Efficiency | |||||||
| Days sales outstanding | 141.9 | 101.5 | 96.8 | 428.6 | — | — | — |
| Days of inventory on hand | 1,033.3 | 1,002.9 | 1,148.8 | -76.1 | -305.7 | — | — |
| Days payables outstanding | 505.5 | 462.8 | 1,741.7 | 515.3 | 827.8 | 448.7 | — |
| Cash conversion cycle (days) | 669.6 | 641.6 | -496.2 | -162.8 | — | — | — |
| Receivables turnover | 2.57 | 3.60 | 3.77 | 0.85 | 0.00 | 0.00 | 0.00 |
| Payables turnover | 0.72 | 0.79 | 0.21 | 0.71 | 0.44 | 0.81 | — |
| Inventory turnover | 0.35 | 0.36 | 0.32 | — | — | — | — |
| Asset turnover | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Average receivables | $947,000 | $850,500 | $287,000 | $539,000 | $711,000 | $688,000 | $826,000 |
| Average payables | $1.8M | $1.8M | $2.8M | $3.6M | $2.4M | $1.1M | $869,000 |
| Average inventory | $3.6M | $4.0M | $1.9M | −$539,000 | −$872,000 | — | — |
| Intangibles / total assets | 0.0% | 0.0% | 0.2% | 0.0% | 1.9% | 0.0% | 0.0% |
Computed from QSI's annual financial statements (latest annual report filed March 3, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.
QSI valuation and financial ratios
Quantum-Si incorporated earned a return on equity of −46.5% and a return on invested capital of −191.7% in fiscal 2025. It ended the year with $4.2 million of debt and $162.9 million in cash and short-term investments, a net cash position of $158.7 million. The share count rose 45.0% from 136.4M to 197.8M over 6 years.
See the QSI income statement, the QSI chart for price history, or the QSI stock overview for the latest quote and news.
QSI key metrics FAQ
What is Quantum-Si incorporated's return on equity?
Quantum-Si incorporated's return on equity (ROE) was −46.5% in fiscal 2025: net income of -$101.3 million on average shareholders' equity of $217.8 million.
What is Quantum-Si incorporated's ROIC?
Quantum-Si incorporated's return on invested capital was −191.7% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.
How much debt does Quantum-Si incorporated have?
Quantum-Si incorporated had total debt of $4.2 million at the end of fiscal 2025, a debt-to-equity ratio of 0.02 and more cash than debt.
What is Quantum-Si incorporated's free cash flow yield?
Quantum-Si incorporated generated -$97.2 million of free cash flow in fiscal 2025, a free cash flow yield of −44.7% on its market value at year-end ($217.5 million).
What is Quantum-Si incorporated's current ratio?
Quantum-Si incorporated's current ratio was 7.64 at the end of fiscal 2025: current assets were 7.64 times current liabilities.