8-K Announcements
6May 7, 2026·SEC
Mar 3, 2026·SEC
Dec 29, 2025·SEC
Quantum-Si incorporated (QSI) fundamental analysis — strengths, weaknesses & financial health based on data analysis
* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.
Quantum-Si incorporated (QSI) stock price & volume — 10-year historical chart
Quantum-Si incorporated (QSI) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR
Quantum-Si incorporated (QSI) EPS & revenue vs analyst estimates — last 4 quarters
| Quarter | Date | EPS (Act vs Est) | Revenue (Act vs Est) |
|---|---|---|---|
| Q2 2026Latest | Mar 3, 2026 | $0.08vs $0.14+42.9% | $451,000vs $761,900-40.8% |
| Q4 2025 | Nov 5, 2025 | $0.17vs $0.12-41.7% | $552,000vs $599,330-7.9% |
| Q3 2025 | Aug 5, 2025 | $0.16vs $0.16+0.0% | $591,000vs $599,330-1.4% |
| Q2 2025 | May 15, 2025 | $0.11vs $0.17+35.3% | $842,000vs $2M-47.7% |
Quantum-Si incorporated (QSI) competitors in Life Science Tools and Reagents — business model, growth, and fundamentals comparison
Quantum-Si incorporated (QSI) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.
Quantum-Si incorporated (QSI) annual income statement — 10-year revenue, gross profit & net income history
| Line item | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|
| Sales/Revenue | 0 | 0 | 0 | 0 | 1.08M | 3.06M | 2.44M | 1.85M |
| Revenue Growth % | - | - | - | - | - | 182.62% | -20.34% | -46.21% |
| Cost of Goods Sold | 0 | 0 | 0 | 0 | 594K | 1.46M | 5.74M | 5.57M |
| COGS % of Revenue | - | - | - | - | 54.9% | 47.68% | 235.51% | - |
| Gross Profit | 0▲ 0% | 0▲ 0% | 0▲ 0% | 0▲ 0% | 488K▲ 0% | 1.6M▲ 227.9% | -3.3M▼ 306.3% | -3.71M▲ 0% |
| Gross Margin % | - | - | - | - | 45.1% | 52.32% | -135.51% | -200.49% |
| Gross Profit Growth % | - | - | - | - | - | 227.87% | -306.31% | - |
| Operating Expenses | 36.62M | 36.69M | 96.91M | 123.84M | 111.66M | 110.18M | 93.75M | 114.61M |
| OpEx % of Revenue | - | - | - | - | 10319.69% | 3602.88% | 3848.4% | - |
| Selling, General & Admin | 8.52M | 9.14M | 50.33M | 42.3M | 44.63M | 50.53M | 44.75M | 42.51M |
| SG&A % of Revenue | - | - | - | - | 4125.14% | 1652.55% | 1837.19% | - |
| Research & Development | 28.1M | 27.55M | 46.58M | 72.06M | 67.03M | 59.64M | 53.76M | 54.53M |
| R&D % of Revenue | - | - | - | - | 6194.55% | 1950.33% | 2206.86% | - |
| Other Operating Expenses | 5K | -10K | 0 | 9.48M | 0 | 0 | -4.77M | 1000K |
| Operating Income | -36.62M▲ 0% | -36.69M▼ 0.2% | -96.91M▼ 164.1% | -123.84M▼ 27.8% | -111.17M▲ 10.2% | -108.58M▲ 2.3% | -97.05M▲ 10.6% | -115.04M▲ 0% |
| Operating Margin % | - | - | - | - | -10274.58% | -3550.56% | -3983.91% | -6211.66% |
| Operating Income Growth % | - | -0.19% | -164.12% | -27.79% | 10.23% | 2.33% | 10.62% | - |
| EBITDA | -35.84M | -35.8M | -95.87M | -121.26M | -107.02M | -103.98M | -92.59M | -111.5M |
| EBITDA Margin % | - | - | - | - | -9890.48% | -3400.13% | -3801.07% | -6020.68% |
| EBITDA Growth % | - | 0.12% | -167.81% | -26.48% | 11.75% | 2.84% | 10.95% | -5.32% |
| D&A (Non-Cash Add-back) | 780K | 894K | 1.04M | 2.58M | 4.16M | 4.6M | 4.45M | 3.54M |
| EBIT | -36.62M | -36.69M | -94.98M | -114.36M | -95.96M | -108.58M | -97.05M | -83.54M |
| Net Interest Income | 0 | 79K | -5K | 0 | 0 | 0 | 8.96M | 2.07M |
| Interest Income | 0 | 88K | 0 | 0 | 0 | 0 | 8.96M | 3.81M |
| Interest Expense | 0 | 9K | 5K | 0 | 0 | 0 | 0 | 0 |
| Other Income/Expense | 828K | 78K | 1.92M | -8.6M | 15.21M | 7.63M | -4.23M | 11.14M |
| Pretax Income | -35.79M▲ 0% | -36.61M▼ 2.3% | -94.99M▼ 159.4% | -132.44M▼ 39.4% | -95.96M▲ 27.5% | -100.95M▼ 5.2% | -101.28M▼ 0.3% | -103.9M▲ 0% |
| Pretax Margin % | - | - | - | - | -8868.76% | -3301.21% | -4157.68% | -5609.94% |
| Income Tax | 0 | 0 | 0 | 0 | 0 | 56K | 58K | 169K |
| Effective Tax Rate % | 0% | 0% | 0% | 0% | 0% | -0.06% | -0.06% | -0.16% |
| Net Income | -35.8M▲ 0% | -36.61M▼ 2.3% | -94.99M▼ 159.4% | -132.44M▼ 39.4% | -95.96M▲ 27.5% | -101.01M▼ 5.3% | -101.34M▼ 0.3% | -103.82M▲ 0% |
| Net Margin % | - | - | - | - | -8868.76% | -3303.04% | -4160.06% | -5605.89% |
| Net Income Growth % | - | -2.28% | -159.45% | -39.43% | 27.55% | -5.26% | -0.33% | -3.08% |
| Net Income (Continuing) | -35.79M | -36.61M | -94.99M | -132.44M | -95.96M | -101.01M | -101.34M | -103.82M |
| Discontinued Operations | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| EPS (Diluted) | -0.26▲ 0% | -6.81▼ 2519.2% | -1.19▲ 82.5% | -0.95▲ 20.2% | -0.68▲ 28.4% | -0.71▼ 4.4% | -0.51▲ 28.2% | -0.48▲ 0% |
| EPS Growth % | - | -2519.23% | 82.53% | 20.17% | 28.42% | -4.41% | 28.17% | 24.38% |
| EPS (Basic) | -0.26 | -6.81 | -1.19 | -0.95 | -0.68 | -0.71 | -0.51 | - |
| Diluted Shares Outstanding | 136.4M | 5.38M | 79.58M | 139.26M | 141.3M | 143.2M | 197.76M | 216.47M |
| Basic Shares Outstanding | 136.4M | 5.38M | 79.58M | 139.26M | 141.3M | 143.2M | 197.76M | 216.47M |
| Dividend Payout Ratio | - | - | - | - | - | - | - | - |
Quantum-Si incorporated (QSI) balance sheet — assets, liabilities & shareholders' equity
| Line item | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|
| Total Current Assets | 33.87M | 37.86M | 477.17M | 358.18M | 266.31M | 218.01M | 175.86M | 134.96M |
| Cash & Short-Term Investments | 32.93M | 36.91M | 471.3M | 351.31M | 257.74M | 209.6M | 162.91M | 127.34M |
| Cash Only | 32.93M | 36.91M | 35.78M | 84.32M | 133.86M | 49.24M | 21.64M | 36.2M |
| Short-Term Investments | 0 | 0 | 435.52M | 266.99M | 123.88M | 160.36M | 141.27M | 91.14M |
| Accounts Receivable | 0 | 0 | 0 | 0 | 368K | 1.33M | 561K | 203K |
| Days Sales Outstanding | - | - | - | - | 124.14 | 159.11 | 84.06 | 577.06 |
| Inventory | 0 | 0 | 0 | 0 | 3.94M | 4.07M | 3.2M | 2.19M |
| Days Inventory Outstanding | - | - | - | - | 2.42K | 1.02K | 203.4 | 209.95 |
| Other Current Assets | 826K | 0 | 0 | 6.87M | 4.26M | 3.01M | 9.19M | 5.23M |
| Total Non-Current Assets | 3.54M | 2.73M | 26.05M | 33.3M | 31.94M | 29.86M | 69.75M | 78.38M |
| Property, Plant & Equipment | 2.55M | 2M | 15.88M | 32.61M | 30.71M | 29.05M | 16.66M | 15.13M |
| Fixed Asset Turnover | - | - | - | - | 0.04x | 0.11x | 0.15x | 0.10x |
| Goodwill | 0 | 0 | 9.48M | 0 | 0 | 0 | 0 | 0 |
| Intangible Assets | 0 | 0 | 0 | 0 | 532K | 0 | 0 | 0 |
| Long-Term Investments | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.69M |
| Other Non-Current Assets | 994K | 738K | 690K | 697K | 695K | 808K | 53.09M | 117.39M |
| Total Assets | 37.41M▲ 0% | 40.59M▲ 8.5% | 503.23M▲ 1139.7% | 391.49M▼ 22.2% | 298.25M▼ 23.8% | 247.87M▼ 16.9% | 245.61M▼ 0.9% | 213.35M▲ 0% |
| Asset Turnover | - | - | - | - | 0.00x | 0.01x | 0.01x | 0.01x |
| Asset Growth % | - | 8.5% | 1139.72% | -22.2% | -23.82% | -16.89% | -0.91% | -13.15% |
| Total Current Liabilities | 1.93M | 2.75M | 11.53M | 15.71M | 11.61M | 18.19M | 23.02M | 10.71M |
| Accounts Payable | 869K | 1.33M | 3.39M | 3.9M | 1.77M | 1.93M | 1.62M | 1.79M |
| Days Payables Outstanding | - | - | - | - | 1.09K | 483.41 | 103.26 | 114.67 |
| Short-Term Debt | 0 | 0 | 0 | 0 | 0 | 0 | 1.84M | 1.84M |
| Deferred Revenue (Current) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.22M |
| Other Current Liabilities | 107K | 579K | 2.7M | 88K | 194K | 514K | 19.56M | 8.87M |
| Current Ratio | 17.57x | 13.75x | 41.39x | 22.81x | 22.94x | 11.99x | 7.64x | 7.64x |
| Quick Ratio | 17.57x | 13.75x | 41.39x | 22.81x | 22.60x | 11.76x | 7.50x | 7.50x |
| Cash Conversion Cycle | - | - | - | - | 1.46K | 693.84 | 184.2 | 672.35 |
| Total Non-Current Liabilities | 0 | 1.75M | 14.66M | 17.07M | 15.02M | 14.26M | 2.36M | 1.9M |
| Long-Term Debt | 0 | 1.75M | 0 | 0 | 0 | 0 | 2.32M | 1.87M |
| Capital Lease Obligations | 0 | 0 | 7.22M | 16.08M | 13.74M | 9.25M | 0 | 14.46M |
| Deferred Tax Liabilities | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Current Liabilities | 0 | 0 | 7.45M | 996K | 1.28M | 5.01M | 34K | 144K |
| Total Liabilities | 1.93M | 4.5M | 26.19M | 32.78M | 26.63M | 32.45M | 25.38M | 12.6M |
| Total Debt | 0 | 1.75M | 8.08M | 17.45M | 15.3M | 12.95M | 4.17M | 3.71M |
| Net Debt | -32.93M | -35.16M | -27.71M | -66.87M | -118.56M | -36.29M | -17.47M | -32.49M |
| Debt / Equity | - | 0.05x | 0.02x | 0.05x | 0.06x | 0.06x | 0.02x | 0.02x |
| Debt / EBITDA | - | - | - | - | - | - | - | -0.03x |
| Net Debt / EBITDA | - | - | - | - | - | - | - | 0.29x |
| Interest Coverage | - | -4076.78x | -18996.80x | - | - | - | - | - |
| Total Equity | 35.46M▲ 0% | 36.09M▲ 1.8% | 477.03M▲ 1221.8% | 358.71M▼ 24.8% | 271.62M▼ 24.3% | 215.42M▼ 20.7% | 220.23M▲ 2.2% | 200.74M▲ 0% |
| Equity Growth % | - | 1.79% | 1221.83% | -24.8% | -24.28% | -20.69% | 2.23% | -10.03% |
| Book Value per Share | 0.26 | 6.71 | 5.99 | 2.58 | 1.92 | 1.50 | 1.11 | 0.93 |
| Total Shareholders' Equity | 35.46M | 36.09M | 477.03M | 358.71M | 271.62M | 215.42M | 220.23M | 200.74M |
| Common Stock | 1K | 1K | 14K | 14K | 14K | 18K | 22K | 22K |
| Retained Earnings | -135.63M | -172.24M | -267.23M | -399.67M | -495.63M | -596.64M | -697.98M | -719.65M |
| Treasury Stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Accumulated OCI | 0 | 0 | 0 | 0 | 0 | 45K | -6K | -382K |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Quantum-Si incorporated (QSI) cash flow — operating, investing & free cash flow history
| Line item | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|
| Cash from Operations | -30.71M | -32.57M | -66.81M | -90.56M | -94.04M | -87.8M | -94.72M | -94.72M |
| Operating CF Margin % | - | - | - | - | -8690.94% | -2870.99% | -3888.22% | - |
| Operating CF Growth % | - | -6.07% | -105.12% | -35.54% | -3.84% | 6.64% | -7.88% | -16.62% |
| Net Income | -35.79M | -36.61M | -94.99M | -132.44M | -95.96M | -101.01M | -101.34M | -103.82M |
| Depreciation & Amortization | 780K | 894K | 1.04M | 2.58M | 4.16M | 4.6M | 4.45M | 4.76M |
| Stock-Based Compensation | 2.71M | 1.92M | 24.92M | 0 | 8.52M | 8.89M | 10.77M | 10.98M |
| Deferred Taxes | 0 | 0 | 714K | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 501K | 2K | 36K | 35M | -7.55M | -4.92M | -4.03M | -7.59M |
| Working Capital Changes | 1.09M | 1.22M | 1.47M | 4.3M | -3.19M | 4.64M | -4.58M | 1.48M |
| Change in Receivables | 0 | 0 | 0 | 0 | -368K | -1.09M | -4.01M | 683K |
| Change in Inventory | 0 | 0 | 0 | 0 | 286K | 4.34M | -2.01M | 371K |
| Change in Payables | -270K | 536K | 709K | 0 | -1.22M | 390K | 0 | -7K |
| Cash from Investing | -1.24M | -461K | -450.94M | 137.19M | 143.43M | -32.67M | -28.32M | 46.13M |
| Capital Expenditures | -1.24M | -461K | -5.76M | -10.74M | -4.51M | -4.58M | -2.52M | -1.49M |
| CapEx % of Revenue | - | - | - | - | 416.82% | 149.87% | 103.33% | - |
| Acquisitions | 0 | 0 | -4.63M | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - |
| Other Investing | 0 | 0 | -445.17M | 0 | -763K | -59K | 0 | 0 |
| Cash from Financing | 18.22M | 37.01M | 516.63M | 1.91M | 149K | 35.88M | 95.42M | 47.05M |
| Debt Issued (Net) | -25K | 1.69M | -1.78M | 0 | 0 | 0 | 0 | 0 |
| Equity Issued (Net) | 18.18M | 35.31M | 512.79M | 2.76M | 0 | 34.79M | 95.42M | 46.83M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | 65K | 11K | 5.61M | -848K | 149K | 1.09M | 1K | 222K |
| Net Change in Cash | -13.73M▲ 0% | 3.98M▲ 129.0% | -1.13M▼ 128.3% | 48.53M▲ 4414.1% | 49.54M▲ 2.1% | -84.62M▼ 270.8% | -27.6M▲ 67.4% | -1.09M▲ 0% |
| Free Cash Flow | -31.95M▲ 0% | -33.03M▼ 3.4% | -72.58M▼ 119.7% | -101.3M▼ 39.6% | -99.31M▲ 2.0% | -92.38M▲ 7.0% | -97.23M▼ 5.3% | -95.69M▲ 0% |
| FCF Margin % | - | - | - | - | -9178.28% | -3020.86% | -3991.54% | -5166.85% |
| FCF Growth % | - | -3.4% | -119.7% | -39.58% | 1.97% | 6.98% | -5.26% | -0.11% |
| FCF per Share | -0.23 | -6.14 | -0.91 | -0.73 | -0.70 | -0.65 | -0.49 | -0.49 |
| FCF Conversion (FCF/Net Income) | 0.86x | 0.89x | 0.70x | 0.68x | 0.98x | 0.87x | 0.93x | 0.92x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Quantum-Si incorporated (QSI) financial ratios — P/E, ROE, debt and 30+ core market and balance-sheet ratios
| Metric | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | TTM |
|---|---|---|---|---|---|---|---|
| Return on Equity (ROE) | -102.35% | -37.02% | -31.69% | -30.45% | -41.48% | -46.52% | -47.35% |
| Return on Invested Capital (ROIC) | -1593.41% | -32.28% | -25.06% | -37.48% | -49.03% | -38.12% | -38.12% |
| Gross Margin | - | - | - | 45.1% | 52.32% | -135.51% | -200.49% |
| Net Margin | - | - | - | -8868.76% | -3303.04% | -4160.06% | -5605.89% |
| Debt / Equity | 0.05x | 0.02x | 0.05x | 0.06x | 0.06x | 0.02x | 0.02x |
| Interest Coverage | -4076.78x | -18996.80x | - | - | - | - | - |
| FCF Conversion | 0.89x | 0.70x | 0.68x | 0.98x | 0.87x | 0.93x | 0.92x |
| Revenue Growth | - | - | - | - | 182.62% | -20.34% | -46.21% |
Quantum-Si incorporated (QSI) SEC filings — annual & quarterly reports (10-K, 10-Q)
May 7, 2026·SEC
Mar 3, 2026·SEC
Dec 29, 2025·SEC
Quantum-Si incorporated (QSI) stock FAQ — growth, dividends, profitability & financials explained
Quantum-Si incorporated (QSI) reported $1.9M in revenue for fiscal year 2025.
Quantum-Si incorporated (QSI) saw revenue decline by 20.3% over the past year.
Quantum-Si incorporated (QSI) reported a net loss of $103.8M for fiscal year 2025.
Quantum-Si incorporated (QSI) has a return on equity (ROE) of -46.5%. Negative ROE indicates the company is unprofitable.
Quantum-Si incorporated (QSI) had negative free cash flow of $95.7M in fiscal year 2025, likely due to heavy capital investments.
Quantum-Si incorporated (QSI) financial analysis — history, returns, DCA and operating performance tools
Historical returns with dividends reinvested
Dollar cost averaging vs lump sum
Yield, growth, payout safety & DRIP
EPS trends, net income & profitability
Long-term charts & historical price data
Sales growth patterns & revenue breakdown
30 years of market, efficiency and balance-sheet ratios
DCF intrinsic value, peer multiples & estimates