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Quantum-Si incorporated(QSI)Earnings, Financials & Key Ratios
QSI•NASDAQ
Price updated Jun 19, 2026
AboutQuantum-Si incorporated, a life sciences company, develops a single molecule detection platform for sample preparation and sequencing. It offers a proprietary single molecule detection platform for use in semiconductor industry to field proteomics to enable next generation protein sequencing. The company was incorporated in 2013 is based in Guilford, Connecticut.Show more
- Revenue$2M-20.3%
- EBITDA-$93M+10.6%
- Net Income-$101M-0.3%
- EPS (Diluted)-0.51+28.2%
- Gross Margin47.33%-9.5%
- EBITDA Margin-3813.88%-12.2%
- Operating Margin-3996.72%-12.6%
- Net Margin-4160.06%-25.9%
- ROE-46.52%-12.2%
QSI Key Insights
Quantum-Si incorporated (QSI) fundamental analysis — strengths, weaknesses & financial health based on data analysis
✓Strengths
- ✓Company is almost debt free
- ✓Trading at only 0.9x book value
✗Weaknesses
- ✗Profits declining 22.6% over 5 years
- ✗Weak Piotroski F-Score: 2/9
- ✗Negative free cash flow
- ✗Shares diluted 38.1% in last year
- ✗Trading more than 30% below 52-week high
- ✗Low asset turnover indicates capital-intensive operations
* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.
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QSI Price & Volume
Quantum-Si incorporated (QSI) stock price & volume — 10-year historical chart
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QSI Growth Metrics
Quantum-Si incorporated (QSI) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR
Revenue CAGR
10 Years-
5 Years-
3 Years-
TTM-46.21%
Profit CAGR
10 Years-
5 Years-
3 Years-
TTM-3.08%
EPS CAGR
10 Years-
5 Years-
3 Years-
TTM24.38%
Return on Capital
10 Years-55.3%
5 Years-36.77%
3 Years-39.56%
Last Year-43.05%
QSI Recent Earnings
Quantum-Si incorporated (QSI) EPS & revenue vs analyst estimates — last 4 quarters
●Beat EPS 8/12 qtrs (67%)●Beat Revenue 2/12 qtrs (17%)
Q2 2026Latest
May 7, 2026Metric
Actual
Est
EPS
$0.10+16.7%
$0.12
Rev
$258,000-13.6%
$298,667
Q2 2026
Mar 3, 2026Metric
Actual
Est
EPS
$0.08+42.9%
$0.14
Rev
$451,000-40.8%
$761,900
Q4 2025
Nov 5, 2025Metric
Actual
Est
EPS
$0.17-41.7%
$0.12
Rev
$552,000-7.9%
$599,330
Q3 2025
Aug 5, 2025Metric
Actual
Est
EPS
$0.16+0.0%
$0.16
Rev
$591,000-1.4%
$599,330
| Quarter | Date | EPS (Act vs Est) | Revenue (Act vs Est) |
|---|---|---|---|
| Q2 2026Latest | May 7, 2026 | $0.10vs $0.12+16.7% | $258,000vs $298,667-13.6% |
| Q2 2026 | 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% |
Based on last 12 quarters of dataView full earnings history →
QSI Peer Comparison
Quantum-Si incorporated (QSI) competitors in Life Science Tools and Reagents — business model, growth, and fundamentals comparison
| Company | Market Cap | Stock Price | P/E Ratio (TTM) | Revenue Growth 1Y | Net Margin | Return on Equity (ROE) | FCF Yield | Debt / Equity |
|---|---|---|---|---|---|---|---|---|
 PACB | 434.84M | 1.40 | -0.77 | 3.89% | -80.34% | -488.45% | 141.98 | |
 CDNA | 1.35B | 26.18 | -65.45 | 13.79% | -1.98% | -2.61% | 0.06 | |
 ACMR | 7.28B | 109.87 | 80.20 | 15.24% | 9.48% | 5.13% | 0.16 | |
 ILMN | 24.6B | 161.93 | 29.71 | -0.78% | 19.43% | 32.84% | 0.94 | |
 FLGT | 535.45M | 18.00 | -9.14 | 13.83% | -18.75% | -5.42% | 0.00 | |
 SEER | 95.67M | 1.74 | -1.36 | 15.57% | -468.74% | -26.58% | 0.09 | |
 TMO | 172.66B | 464.61 | 26.19 | 3.91% | 15.18% | 13.23% | 0.76 | |
 DHR | 125.4B | 177.17 | 35.15 | 2.9% | 14.89% | 7.06% | 0.35 |
Compare QSI vs Peers
Quantum-Si incorporated (QSI) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.
QSI Income Statement
Quantum-Si incorporated (QSI) annual income statement — 10-year revenue, gross profit & net income history
10Y historyFree accessUpdated daily
| Metric | 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 | 1.28M | 1.11M |
COGS % of Revenue | - | - | - | - | 54.9% | 47.68% | 52.67% | - |
Gross Profit | 0▲ 0% | 0▲ 0% | 0▲ 0% | 0▲ 0% | 488K▲ 0% | 1.6M▲ 227.9% | 1.15M▼ 27.9% | 741K▲ 0% |
Gross Margin % | - | - | - | - | 45.1% | 52.32% | 47.33% | 40.01% |
Gross Profit Growth % | - | - | - | - | - | 227.87% | -27.94% | - |
Operating Expenses | 36.62M | 36.69M | 96.91M | 123.84M | 111.66M | 110.18M | 98.51M | 97.04M |
OpEx % of Revenue | - | - | - | - | 10319.69% | 3602.88% | 4044.05% | - |
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 | 0 | 0 |
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% | -97.36M▲ 10.3% | -96.3M▲ 0% |
Operating Margin % | - | - | - | - | -10274.58% | -3550.56% | -3996.72% | -5199.84% |
Operating Income Growth % | - | -0.19% | -164.12% | -27.79% | 10.23% | 2.33% | 10.33% | - |
EBITDA | -35.84M | -35.8M | -95.87M | -121.26M | -107.02M | -103.98M | -92.91M | -91.54M |
EBITDA Margin % | - | - | - | - | -9890.48% | -3400.13% | -3813.88% | -4942.71% |
EBITDA Growth % | - | 0.12% | -167.81% | -26.48% | 11.75% | 2.84% | 10.65% | 13.54% |
D&A (Non-Cash Add-back) | 780K | 894K | 1.04M | 2.58M | 4.16M | 4.6M | 4.45M | 4.76M |
EBIT | -36.62M | -36.69M | -94.98M | -114.36M | -95.96M | -108.58M | -97.36M | -96.3M |
Net Interest Income | 0 | 79K | -5K | 0 | 0 | 0 | 8.96M | 1.74M |
Interest Income | 0 | 88K | 0 | 0 | 0 | 0 | 8.96M | 1.74M |
Interest Expense | 0 | 9K | 5K | 0 | 0 | 0 | 0 | 0 |
Other Income/Expense | 828K | 78K | 1.92M | -8.6M | 15.21M | 7.63M | -3.92M | -7.59M |
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 | -75K |
Effective Tax Rate % | 0% | 0% | 0% | 0% | 0% | -0.06% | -0.06% | 0.07% |
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 | - | - | - | - | - | - | - | - |
QSI Balance Sheet
Quantum-Si incorporated (QSI) balance sheet — assets, liabilities & shareholders' equity
| Metric | 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 | 909.51 | 1.05K |
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 | 63.26M |
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 | 461.73 | 574.36 |
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 | 7.08M |
Current Ratio | 17.57x | 13.75x | 41.39x | 22.81x | 22.94x | 11.99x | 7.64x | 12.60x |
Quick Ratio | 17.57x | 13.75x | 41.39x | 22.81x | 22.60x | 11.76x | 7.50x | 12.40x |
Cash Conversion Cycle | - | - | - | - | 1.46K | 693.84 | 531.84 | 1.05K |
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 | 25K |
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 | - | - | - | - | - | - | - | -0.04x |
Net Debt / EBITDA | - | - | - | - | - | - | - | 0.35x |
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 |
QSI Cash Flow Statement
Quantum-Si incorporated (QSI) cash flow — operating, investing & free cash flow history
| Metric | 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 | -94.2M |
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 | 8.41M |
Deferred Taxes | 0 | 0 | 714K | 0 | 0 | 0 | 0 | 0 |
Other Non-Cash Items | 501K | 2K | 36K | 35M | -7.55M | -4.92M | -4.03M | 3.13M |
Working Capital Changes | 1.09M | 1.22M | 1.47M | 4.3M | -3.19M | 4.64M | -4.58M | -6.69M |
Change in Receivables | 0 | 0 | 0 | 0 | -368K | -1.09M | -4.01M | 5.32M |
Change in Inventory | 0 | 0 | 0 | 0 | 286K | 4.34M | -2.01M | -1.19M |
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% | 80.4% |
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 | -0.44 |
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 |
QSI Key Ratios
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% | -38.24% | -36.58% |
Gross Margin | - | - | - | 45.1% | 52.32% | 47.33% | 40.01% |
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% |
Related:QSI Dividend History·QSI Revenue History·QSI Price History·QSI P/E History·QSI Financial Ratios·QSI Institutional Holders
QSI SEC Filings & Documents
Quantum-Si incorporated (QSI) SEC filings — annual & quarterly reports (10-K, 10-Q)
QSI Frequently Asked Questions
Quantum-Si incorporated (QSI) stock FAQ — growth, dividends, profitability & financials explained
Growth & Financials
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.
Dividend & Returns
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.