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QSI logoQuantum-Si incorporated(QSI)Earnings, Financials & Key Ratios

QSI•NASDAQ
$0.98
$193M mkt cap·Price updated May 7, 2026
SectorHealthcareIndustryBiotechnologySub-IndustryLife Science Tools and Reagents
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+10.9%
  • Net Income-$101M-0.3%
  • EPS (Diluted)-0.51+28.2%
  • Gross Margin-135.51%-359.0%
  • EBITDA Margin-3801.07%-11.8%
  • Operating Margin-3983.91%-12.2%
  • Net Margin-4160.06%-25.9%
  • ROE-46.52%-12.2%
  • ROIC-38.12%+22.2%
  • Debt/Equity0.02-68.5%
Technical→

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.

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-55.28%
5 Years-36.74%
3 Years-39.51%
Last Year-42.92%

QSI Recent Earnings

Quantum-Si incorporated (QSI) EPS & revenue vs analyst estimates — last 4 quarters

Full history →
●Beat EPS 8/12 qtrs (67%)●Beat Revenue 2/12 qtrs (17%)
Q2 2026Latest
Mar 3, 2026
EPS
$0.08
Est $0.14
+42.9%
Revenue
$451,000
Est $761,900
-40.8%
Q4 2025
Nov 5, 2025
EPS
$0.17
Est $0.12
-41.7%
Revenue
$552,000
Est $599,330
-7.9%
Q3 2025
Aug 5, 2025
EPS
$0.16
Est $0.16
+0.0%
Revenue
$591,000
Est $599,330
-1.4%
Q2 2025
May 15, 2025
EPS
$0.11
Est $0.17
+35.3%
Revenue
$842,000
Est $2M
-47.7%
QuarterDateEPS (Act vs Est)Revenue (Act vs Est)
Q2 2026LatestMar 3, 2026
$0.08vs $0.14+42.9%
$451,000vs $761,900-40.8%
Q4 2025Nov 5, 2025
$0.17vs $0.12-41.7%
$552,000vs $599,330-7.9%
Q3 2025Aug 5, 2025
$0.16vs $0.16+0.0%
$591,000vs $599,330-1.4%
Q2 2025May 15, 2025
$0.11vs $0.17+35.3%
$842,000vs $2M-47.7%
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

Select Columns
Stock Universe
Valuation
Growth
Profitability
Financial Health
Dividends & Buybacks
Price Performance
Technical
Fundamentals ($)
Sector-Specific
CompanyMarket CapStock PriceP/E Ratio (TTM)Revenue Growth 1YNet MarginReturn on Equity (ROE)FCF YieldDebt / Equity
PACB logoPACBPacific Biosciences of California, Inc.Direct Competitor498.3M1.65-0.913.89%-341.47%-11.23%141.98
CDNA logoCDNACareDx, IncDirect Competitor1.11B21.44-53.6013.79%-1.98%-2.61%0.06
ACMR logoACMRACM Research, Inc.Direct Competitor3.92B59.2043.2115.24%10.44%6.11%0.16
ILMN logoILMNIllumina, Inc.Product Competitor21.07B138.7125.45-0.78%19.43%32.84%0.94
FLGT logoFLGTFulgent Genetics, Inc.Product Competitor449.48M15.11-7.6713.83%-18.75%-5.42%0.00
SEER logoSEERSeer, Inc.Product Competitor104.88M1.88-1.35-8.13%-486.02%-29.19%0.08
TMO logoTMOThermo Fisher Scientific Inc.Supply Chain176.36B474.5626.753.91%15.18%13.23%0.76
DHR logoDHRDanaher CorporationSupply Chain124.33B175.6634.852.9%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.

Closest Rival

vs PACB

Most directly comparable listed peer for QSI.

Scale Benchmark

vs TMO

Larger-name benchmark to compare QSI against a more recognizable public peer.

Peer Set

Compare Top 5

vs PACB, CDNA, ACMR, ILMN

QSI Income Statement

Quantum-Si incorporated (QSI) annual income statement — 10-year revenue, gross profit & net income history

10Y historyFree accessUpdated daily
Line itemDec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Sales/Revenue00001.08M3.06M2.44M1.85M
Revenue Growth %-----182.62%-20.34%-46.21%
Cost of Goods Sold0000594K1.46M5.74M5.57M
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 Expenses36.62M36.69M96.91M123.84M111.66M110.18M93.75M114.61M
OpEx % of Revenue----10319.69%3602.88%3848.4%-
Selling, General & Admin8.52M9.14M50.33M42.3M44.63M50.53M44.75M42.51M
SG&A % of Revenue----4125.14%1652.55%1837.19%-
Research & Development28.1M27.55M46.58M72.06M67.03M59.64M53.76M54.53M
R&D % of Revenue----6194.55%1950.33%2206.86%-
Other Operating Expenses5K-10K09.48M00-4.77M1000K
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)780K894K1.04M2.58M4.16M4.6M4.45M3.54M
EBIT-36.62M-36.69M-94.98M-114.36M-95.96M-108.58M-97.05M-83.54M
Net Interest Income079K-5K0008.96M2.07M
Interest Income088K00008.96M3.81M
Interest Expense09K5K00000
Other Income/Expense828K78K1.92M-8.6M15.21M7.63M-4.23M11.14M
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 Tax0000056K58K169K
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 Operations00000000
Minority Interest00000000
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 Outstanding136.4M5.38M79.58M139.26M141.3M143.2M197.76M216.47M
Basic Shares Outstanding136.4M5.38M79.58M139.26M141.3M143.2M197.76M216.47M
Dividend Payout Ratio--------

QSI Balance Sheet

Quantum-Si incorporated (QSI) balance sheet — assets, liabilities & shareholders' equity

Line itemDec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Total Current Assets33.87M37.86M477.17M358.18M266.31M218.01M175.86M134.96M
Cash & Short-Term Investments32.93M36.91M471.3M351.31M257.74M209.6M162.91M127.34M
Cash Only32.93M36.91M35.78M84.32M133.86M49.24M21.64M36.2M
Short-Term Investments00435.52M266.99M123.88M160.36M141.27M91.14M
Accounts Receivable0000368K1.33M561K203K
Days Sales Outstanding----124.14159.1184.06577.06
Inventory00003.94M4.07M3.2M2.19M
Days Inventory Outstanding----2.42K1.02K203.4209.95
Other Current Assets826K006.87M4.26M3.01M9.19M5.23M
Total Non-Current Assets3.54M2.73M26.05M33.3M31.94M29.86M69.75M78.38M
Property, Plant & Equipment2.55M2M15.88M32.61M30.71M29.05M16.66M15.13M
Fixed Asset Turnover----0.04x0.11x0.15x0.10x
Goodwill009.48M00000
Intangible Assets0000532K000
Long-Term Investments00000004.69M
Other Non-Current Assets994K738K690K697K695K808K53.09M117.39M
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----0.00x0.01x0.01x0.01x
Asset Growth %-8.5%1139.72%-22.2%-23.82%-16.89%-0.91%-13.15%
Total Current Liabilities1.93M2.75M11.53M15.71M11.61M18.19M23.02M10.71M
Accounts Payable869K1.33M3.39M3.9M1.77M1.93M1.62M1.79M
Days Payables Outstanding----1.09K483.41103.26114.67
Short-Term Debt0000001.84M1.84M
Deferred Revenue (Current)00000003.22M
Other Current Liabilities107K579K2.7M88K194K514K19.56M8.87M
Current Ratio17.57x13.75x41.39x22.81x22.94x11.99x7.64x7.64x
Quick Ratio17.57x13.75x41.39x22.81x22.60x11.76x7.50x7.50x
Cash Conversion Cycle----1.46K693.84184.2672.35
Total Non-Current Liabilities01.75M14.66M17.07M15.02M14.26M2.36M1.9M
Long-Term Debt01.75M00002.32M1.87M
Capital Lease Obligations007.22M16.08M13.74M9.25M014.46M
Deferred Tax Liabilities00000000
Other Non-Current Liabilities007.45M996K1.28M5.01M34K144K
Total Liabilities1.93M4.5M26.19M32.78M26.63M32.45M25.38M12.6M
Total Debt01.75M8.08M17.45M15.3M12.95M4.17M3.71M
Net Debt-32.93M-35.16M-27.71M-66.87M-118.56M-36.29M-17.47M-32.49M
Debt / Equity-0.05x0.02x0.05x0.06x0.06x0.02x0.02x
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 Share0.266.715.992.581.921.501.110.93
Total Shareholders' Equity35.46M36.09M477.03M358.71M271.62M215.42M220.23M200.74M
Common Stock1K1K14K14K14K18K22K22K
Retained Earnings-135.63M-172.24M-267.23M-399.67M-495.63M-596.64M-697.98M-719.65M
Treasury Stock00000000
Accumulated OCI0000045K-6K-382K
Minority Interest00000000

QSI Cash Flow Statement

Quantum-Si incorporated (QSI) cash flow — operating, investing & free cash flow history

Line itemDec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
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 & Amortization780K894K1.04M2.58M4.16M4.6M4.45M4.76M
Stock-Based Compensation2.71M1.92M24.92M08.52M8.89M10.77M10.98M
Deferred Taxes00714K00000
Other Non-Cash Items501K2K36K35M-7.55M-4.92M-4.03M-7.59M
Working Capital Changes1.09M1.22M1.47M4.3M-3.19M4.64M-4.58M1.48M
Change in Receivables0000-368K-1.09M-4.01M683K
Change in Inventory0000286K4.34M-2.01M371K
Change in Payables-270K536K709K0-1.22M390K0-7K
Cash from Investing-1.24M-461K-450.94M137.19M143.43M-32.67M-28.32M46.13M
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%-
Acquisitions00-4.63M00000
Investments--------
Other Investing00-445.17M0-763K-59K00
Cash from Financing18.22M37.01M516.63M1.91M149K35.88M95.42M47.05M
Debt Issued (Net)-25K1.69M-1.78M00000
Equity Issued (Net)18.18M35.31M512.79M2.76M034.79M95.42M46.83M
Dividends Paid00000000
Share Repurchases00000000
Other Financing65K11K5.61M-848K149K1.09M1K222K
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)0.86x0.89x0.70x0.68x0.98x0.87x0.93x0.92x
Interest Paid00000000
Taxes Paid00000000

QSI Key Ratios

Quantum-Si incorporated (QSI) financial ratios — P/E, ROE, debt and 30+ core market and balance-sheet ratios

Metric202020212022202320242025TTM
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 / Equity0.05x0.02x0.05x0.06x0.06x0.02x0.02x
Interest Coverage-4076.78x-18996.80x-----
FCF Conversion0.89x0.70x0.68x0.98x0.87x0.93x0.92x
Revenue Growth----182.62%-20.34%-46.21%

QSI SEC Filings & Documents

Quantum-Si incorporated (QSI) SEC filings — annual & quarterly reports (10-K, 10-Q)

8-K Announcements

6
Material company update

May 7, 2026·SEC

Material company update

Mar 3, 2026·SEC

Material company update

Dec 29, 2025·SEC

10-K Annual Reports

3
FY 2026

Mar 3, 2026·SEC

FY 2025

Mar 3, 2025·SEC

FY 2024

Feb 29, 2024·SEC

10-Q Quarterly Reports

6
FY 2026

May 7, 2026·SEC

FY 2025

Nov 5, 2025·SEC

FY 2025

Aug 5, 2025·SEC

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.

Explore More QSI

Quantum-Si incorporated (QSI) financial analysis — history, returns, DCA and operating performance tools

Total Return Calculator

Historical returns with dividends reinvested

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DCA Calculator

Dollar cost averaging vs lump sum

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Dividend History

Yield, growth, payout safety & DRIP

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Earnings History

EPS trends, net income & profitability

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Price History

Long-term charts & historical price data

→

Revenue History

Sales growth patterns & revenue breakdown

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Financial Ratios

30 years of market, efficiency and balance-sheet ratios

→

Valuation

DCF intrinsic value, peer multiples & estimates

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