Symbols / QSI
QSI Chart
About
Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company offers Platinum NGPS instrument that provides single molecule amino acid level resolution with a streamlined workflow, including automated data analysis that accessible to researchers in all laboratory types; Platinum Pro NGPS instrument, a single molecule amino acid resolution, which provides an enhanced user interface, cloud or on instrument data analysis and an available pro mode; Library preparation kits to prepare protein sample for sequencing; Barcoding Kits to optimize the workflow and performance of technology; and Sequencing Kits contains the reagents and consumables used to perform NGPS on the Platinum or Platinum Pro instrument. It also provides Platinum Analysis Software, a cloud-based solution that automates data analysis workflows and provides a user-friendly interface and visualization of the sequencing results. Its products are used in antibody characterization, biomarker identification, protein identification, protein variants, protein barcoding, and post translational modification analysis applications. Quantum-Si incorporated was founded in 2013 is headquartered in Branford, Connecticut.
Fundamentals
Scroll to Statements| Sector | Healthcare | Industry | Medical Devices | Market Cap | 200.45M |
| Enterprise Value | -20.79M | Income | -116.85M | Sales | 3.18M |
| Book/sh | 1.09 | Cash/sh | 1.05 | Dividend Yield | — |
| Payout | 0.00% | Employees | 149 | IPO | — |
| P/E | — | Forward P/E | -2.27 | PEG | — |
| P/S | 63.09 | P/B | 0.85 | P/C | — |
| EV/EBITDA | 0.20 | EV/Sales | -6.54 | Quick Ratio | 10.44 |
| Current Ratio | 10.75 | Debt/Eq | 1.96 | LT Debt/Eq | — |
| EPS (ttm) | -0.67 | EPS next Y | -0.41 | EPS Growth | — |
| Revenue Growth | -29.90% | Earnings | 2026-03-03 | ROA | -26.84% |
| ROE | -52.44% | ROIC | — | Gross Margin | 51.65% |
| Oper. Margin | -44.20% | Profit Margin | 0.00% | Shs Outstand | 195.55M |
| Shs Float | 177.85M | Short Float | 10.68% | Short Ratio | 3.60 |
| Short Interest | — | 52W High | 3.10 | 52W Low | 0.89 |
| Beta | 2.99 | Avg Volume | 4.76M | Volume | 1.35M |
| Target Price | $2.68 | Recom | None | Prev Close | $0.91 |
| Price | $0.93 | Change | 2.01% |
Valuation Models
Price estimates from analyst targets and simple models.
1. Analyst consensus
$2.68
Mean price target
2. Current target
$0.93
Latest analyst target
3. DCF / Fair value
$-4.60
Simplified: (Free Cash Flow ÷ Shares) × 18 (P/FCF multiple). Not a …
Ratings
Current target
$0.93
Low
$1.50
High
$4.05
Mean
$2.68
Latest analyst rating changes
| Date | Action | Analyst | Rating Change | Price Target |
|---|---|---|---|---|
| 2025-12-22 | main | Canaccord Genuity | Hold → Hold | $2 |
| 2025-10-27 | main | Canaccord Genuity | Hold → Hold | $2 |
| 2025-09-09 | main | Canaccord Genuity | Hold → Hold | $1 |
| 2025-05-19 | reit | HC Wainwright & Co. | Buy → Buy | — |
| 2025-02-07 | init | Alliance Global Partners | — → Buy | $4 |
| 2025-01-14 | reit | HC Wainwright & Co. | Buy → Buy | $6 |
| 2024-11-21 | main | HC Wainwright & Co. | Buy → Buy | $6 |
| 2024-11-13 | main | Canaccord Genuity | Hold → Hold | $1 |
| 2024-11-13 | reit | HC Wainwright & Co. | Buy → Buy | $4 |
| 2024-05-10 | reit | HC Wainwright & Co. | Buy → Buy | $4 |
| 2024-03-01 | main | HC Wainwright & Co. | Buy → Buy | $4 |
| 2023-12-08 | init | HC Wainwright & Co. | — → Buy | $3 |
| 2023-09-25 | down | Canaccord Genuity | Buy → Hold | $2 |
| 2021-10-20 | init | Canaccord Genuity | — → Buy | $13 |
News
RSS: Latest QSI news- Quantum-Si Falls To US$1.09, But Insiders Sold At Lower Price - simplywall.st Wed, 04 Feb 2026 08
- Quantum-Si (NASDAQ:QSI) shareholders have endured a 89% loss from investing in the stock five years ago - Yahoo Finance Mon, 05 Jan 2026 08
- Quantum-Si (QSI) to Release Earnings on Tuesday - MarketBeat ue, 24 Feb 2026 11
- Quantum-Si Incorporated (QSI) Stock Analysis: Exploring a 196% Potential Upside in the Medical Devices Sector - DirectorsTalk Interviews hu, 19 Feb 2026 08
- $QSI stock is up 14% today. Here's what we see in our data. - Quiver Quantitative Mon, 13 Oct 2025 07
- Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4) - Business Wire Fri, 13 Feb 2026 08
- Nov 5, 2025 at 4:30 PM ET — Quantum-Si to Report Q3 2025 Financial Results; CEO & CFO Webcast - Stock Titan Mon, 13 Oct 2025 07
- $QSI stock is up 17% today. Here's what we see in our data. - Nasdaq ue, 20 May 2025 07
- Quantum-Si (NASDAQ:QSI) Stock Price Down 5.2% - Here's Why - MarketBeat Wed, 18 Feb 2026 07
- Quantum-Si incorporated's (NASDAQ:QSI) 21% loss last week hit both individual investors who own 49% as well as institutions - Yahoo Finance Mon, 10 Nov 2025 08
- Is Quantum-Si (NASDAQ:QSI) In A Good Position To Invest In Growth? - simplywall.st Sat, 13 Dec 2025 08
- Quantum-Si Incorporated (QSI) Stock Analysis: Unveiling a 160% Potential Upside in the Medical Device Sector - DirectorsTalk Interviews hu, 05 Feb 2026 08
- Quantum-Si (QSI): Evaluating Valuation After $300 Million Shelf Registration Sparks Investor Debate - Yahoo Finance ue, 14 Oct 2025 07
- Quantum-Si (NASDAQ:QSI) adds US$32m to market cap in the past 7 days, though investors from five years ago are still down 88% - simplywall.st Fri, 09 Jan 2026 08
- Quantum-Si Incorporated (QSI) Reports Q3 Loss, Lags Revenue Estimates - Yahoo Finance Wed, 05 Nov 2025 08
Insider Transactions
| Date | Shares | Value | Url | Text | Insider | Position | Transaction | Start Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|
| 0 | 23707 | 30250 | — | Sale at price 1.28 per share. | HAWKINS JEFFREY ALAN | Chief Executive Officer | — | 2025-12-22 00:00:00 | D |
| 1 | 8627 | 11008 | — | Sale at price 1.28 per share. | KEYES JEFFRY R | Chief Financial Officer | — | 2025-12-22 00:00:00 | D |
| 2 | 11951 | 15249 | — | Sale at price 1.28 per share. | LAPOINTE CHRISTIAN | General Counsel | — | 2025-12-22 00:00:00 | D |
| 3 | 21927 | 27979 | — | Sale at price 1.28 per share. | VIECELI JOHN S | Officer | — | 2025-12-22 00:00:00 | D |
| 4 | 26095 | 66281 | — | Sale at price 2.54 per share. | ROTHBERG JONATHAN M | Director and Beneficial Owner of more than 10% of a Class of Security | — | 2025-10-16 00:00:00 | I |
| 5 | 21286 | 35309 | — | Sale at price 1.64 - 1.68 per share. | HAWKINS JEFFREY ALAN | Chief Executive Officer | — | 2025-09-23 00:00:00 | D |
| 6 | 7746 | 12849 | — | Sale at price 1.64 - 1.68 per share. | KEYES JEFFRY R | Chief Financial Officer | — | 2025-09-23 00:00:00 | D |
| 7 | 36964 | 61316 | — | Sale at price 1.64 - 1.68 per share. | BENNETT TODD C | Officer | — | 2025-09-23 00:00:00 | D |
| 8 | 10728 | 17796 | — | Sale at price 1.64 - 1.68 per share. | LAPOINTE CHRISTIAN | General Counsel | — | 2025-09-23 00:00:00 | D |
| 9 | 19686 | 32655 | — | Sale at price 1.64 - 1.68 per share. | VIECELI JOHN S | Officer | — | 2025-09-23 00:00:00 | D |
Financials
| Line Item | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 |
|---|---|---|---|---|
| TaxEffectOfUnusualItems | 1.61M | 0.00 | 0.00 | 0.00 |
| TaxRateForCalcs | 0.21 | 0.00 | 0.00 | 0.00 |
| NormalizedEBITDA | -111.62M | -121.86M | -93.23M | -95.85M |
| TotalUnusualItems | 7.64M | 14.85M | -18.54M | 1.91M |
| TotalUnusualItemsExcludingGoodwill | 7.64M | 14.85M | -18.54M | 1.91M |
| NetIncomeFromContinuingOperationNetMinorityInterest | -101.01M | -95.96M | -132.44M | -94.99M |
| ReconciledDepreciation | 4.60M | 4.16M | 2.58M | 1.04M |
| ReconciledCostOfRevenue | 1.46M | 594.00K | 0.00 | 0.00 |
| EBITDA | -103.98M | -107.02M | -111.77M | -93.94M |
| EBIT | -108.58M | -111.17M | -114.36M | -94.98M |
| NetInterestIncome | 0.00 | 0.00 | -5.00K | |
| InterestExpense | 0.00 | 0.00 | 5.00K | |
| NormalizedIncome | -107.05M | -110.81M | -113.90M | -96.89M |
| NetIncomeFromContinuingAndDiscontinuedOperation | -101.01M | -95.96M | -132.44M | -94.99M |
| TotalExpenses | 111.63M | 112.25M | 114.36M | 96.91M |
| TotalOperatingIncomeAsReported | -108.58M | -111.17M | -123.84M | -96.91M |
| DilutedAverageShares | 143.20M | 141.30M | 139.26M | 79.58M |
| BasicAverageShares | 143.20M | 141.30M | 139.26M | 79.58M |
| DilutedEPS | -0.71 | -0.68 | -0.95 | -1.19 |
| BasicEPS | -0.71 | -0.68 | -0.95 | -1.19 |
| DilutedNIAvailtoComStockholders | -101.01M | -95.96M | -132.44M | -94.99M |
| NetIncomeCommonStockholders | -101.01M | -95.96M | -132.44M | -94.99M |
| NetIncome | -101.01M | -95.96M | -132.44M | -94.99M |
| NetIncomeIncludingNoncontrollingInterests | -101.01M | -95.96M | -132.44M | -94.99M |
| NetIncomeContinuousOperations | -101.01M | -95.96M | -132.44M | -94.99M |
| TaxProvision | 56.00K | 0.00 | 0.00 | 0.00 |
| PretaxIncome | -100.95M | -95.96M | -132.44M | -94.99M |
| OtherIncomeExpense | 7.62M | 15.21M | -18.08M | 1.92M |
| OtherNonOperatingIncomeExpenses | -19.00K | 366.00K | 458.00K | 19.00K |
| SpecialIncomeCharges | 0.00 | 0.00 | -9.48M | 0.00 |
| ImpairmentOfCapitalAssets | 0.00 | 0.00 | 9.48M | 0.00 |
| GainOnSaleOfSecurity | 7.64M | 14.85M | -9.06M | 1.91M |
| NetNonOperatingInterestIncomeExpense | 0.00 | 0.00 | -5.00K | |
| InterestExpenseNonOperating | 0.00 | 0.00 | 5.00K | |
| OperatingIncome | -108.58M | -111.17M | -114.36M | -96.91M |
| OperatingExpense | 110.18M | 111.66M | 114.36M | 96.91M |
| ResearchAndDevelopment | 59.64M | 67.03M | 72.06M | 46.58M |
| SellingGeneralAndAdministration | 50.53M | 44.63M | 42.30M | 50.33M |
| SellingAndMarketingExpense | 3.96M | |||
| GeneralAndAdministrativeExpense | 46.38M | |||
| OtherGandA | 46.38M | |||
| GrossProfit | 1.60M | 488.00K | 0.00 | 0.00 |
| CostOfRevenue | 1.46M | 594.00K | 0.00 | 0.00 |
| TotalRevenue | 3.06M | 1.08M | 0.00 | 0.00 |
| OperatingRevenue | 3.06M | 1.08M | 0.00 | 0.00 |
| Line Item | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 |
|---|---|---|---|---|
| OrdinarySharesNumber | 166.89M | 141.77M | 139.94M | 137.96M |
| ShareIssued | 166.89M | 141.77M | 139.94M | 137.96M |
| TotalDebt | 12.95M | 15.30M | 17.45M | 8.08M |
| TangibleBookValue | 215.42M | 271.09M | 358.71M | 467.55M |
| InvestedCapital | 215.42M | 271.62M | 358.71M | 477.03M |
| WorkingCapital | 199.82M | 254.70M | 342.48M | 465.64M |
| NetTangibleAssets | 215.42M | 271.09M | 358.71M | 467.55M |
| CapitalLeaseObligations | 12.95M | 15.30M | 17.45M | 8.08M |
| CommonStockEquity | 215.42M | 271.62M | 358.71M | 477.03M |
| TotalCapitalization | 215.42M | 271.62M | 358.71M | 477.03M |
| TotalEquityGrossMinorityInterest | 215.42M | 271.62M | 358.71M | 477.03M |
| StockholdersEquity | 215.42M | 271.62M | 358.71M | 477.03M |
| GainsLossesNotAffectingRetainedEarnings | 45.00K | 0.00 | ||
| OtherEquityAdjustments | 45.00K | |||
| RetainedEarnings | -596.64M | -495.63M | -399.67M | -267.23M |
| AdditionalPaidInCapital | 812.00M | 767.24M | 758.37M | 744.25M |
| CapitalStock | 18.00K | 14.00K | 14.00K | 14.00K |
| CommonStock | 18.00K | 14.00K | 14.00K | 14.00K |
| PreferredStock | 0.00 | |||
| TotalLiabilitiesNetMinorityInterest | 32.45M | 26.63M | 32.78M | 26.19M |
| TotalNonCurrentLiabilitiesNetMinorityInterest | 14.26M | 15.02M | 17.07M | 14.66M |
| OtherNonCurrentLiabilities | 19.00K | 11.00K | 206.00K | |
| DerivativeProductLiabilities | 5.00M | 1.27M | 996.00K | 7.24M |
| LongTermDebtAndCapitalLeaseObligation | 9.25M | 13.74M | 16.08M | 7.22M |
| LongTermCapitalLeaseObligation | 9.25M | 13.74M | 16.08M | 7.22M |
| CurrentLiabilities | 18.19M | 11.61M | 15.71M | 11.53M |
| OtherCurrentLiabilities | 514.00K | 187.00K | 88.00K | 23.00K |
| CurrentDebtAndCapitalLeaseObligation | 3.70M | 1.57M | 1.37M | 859.00K |
| CurrentCapitalLeaseObligation | 3.70M | 1.57M | 1.37M | 859.00K |
| PensionandOtherPostRetirementBenefitPlansCurrent | 5.55M | 2.68M | ||
| PayablesAndAccruedExpenses | 13.97M | 9.86M | 14.25M | 7.97M |
| CurrentAccruedExpenses | 10.71M | 8.08M | 10.35M | 4.57M |
| Payables | 3.27M | 1.77M | 3.90M | 3.39M |
| TotalTaxPayable | 1.34M | 7.00K | ||
| AccountsPayable | 1.93M | 1.77M | 3.90M | 3.39M |
| TotalAssets | 247.87M | 298.25M | 391.49M | 503.23M |
| TotalNonCurrentAssets | 29.86M | 31.94M | 33.30M | 26.05M |
| OtherNonCurrentAssets | 808.00K | 695.00K | 697.00K | 690.00K |
| GoodwillAndOtherIntangibleAssets | 0.00 | 532.00K | 0.00 | 9.48M |
| OtherIntangibleAssets | 532.00K | |||
| Goodwill | 0.00 | 9.48M | ||
| NetPPE | 29.05M | 30.71M | 32.61M | 15.88M |
| AccumulatedDepreciation | -11.71M | -10.04M | -6.20M | -3.88M |
| GrossPPE | 40.76M | 40.76M | 38.81M | 19.76M |
| Leases | 7.23M | 6.95M | 1.31M | 790.00K |
| ConstructionInProgress | 4.96M | 2.44M | 6.23M | 3.61M |
| OtherProperties | 26.47M | 29.16M | 29.79M | 14.44M |
| MachineryFurnitureEquipment | 2.10M | 2.21M | 1.48M | 918.00K |
| Properties | 0.00 | 0.00 | 0.00 | 0.00 |
| CurrentAssets | 218.01M | 266.31M | 358.18M | 477.17M |
| OtherCurrentAssets | 3.01M | 4.26M | 6.87M | 5.87M |
| PrepaidAssets | 5.87M | |||
| Inventory | 4.07M | 3.94M | 0.00 | |
| FinishedGoods | 565.00K | 1.56M | 0.00 | |
| WorkInProcess | 2.21M | 779.00K | 0.00 | |
| RawMaterials | 1.29M | 1.61M | 0.00 | |
| Receivables | 1.33M | 368.00K | 0.00 | |
| AccountsReceivable | 1.33M | 368.00K | 0.00 | |
| AllowanceForDoubtfulAccountsReceivable | -124.00K | 0.00 | 0.00 | |
| GrossAccountsReceivable | 1.46M | 368.00K | 0.00 | |
| CashCashEquivalentsAndShortTermInvestments | 209.60M | 257.74M | 351.31M | 471.30M |
| OtherShortTermInvestments | 160.36M | 123.88M | 266.99M | 435.52M |
| CashAndCashEquivalents | 49.24M | 133.86M | 84.32M | 35.78M |
| Line Item | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 |
|---|---|---|---|---|
| FreeCashFlow | -92.44M | -99.31M | -101.30M | -72.58M |
| RepaymentOfDebt | 0.00 | 0.00 | -1.78M | |
| IssuanceOfDebt | 0.00 | 0.00 | ||
| IssuanceOfCapitalStock | 34.79M | 0.00 | 0.00 | 512.79M |
| CapitalExpenditure | -4.64M | -5.27M | -10.74M | -5.76M |
| EndCashPosition | 49.24M | 133.86M | 84.32M | 35.78M |
| BeginningCashPosition | 133.86M | 84.32M | 35.78M | 36.91M |
| EffectOfExchangeRateChanges | -25.00K | 0.00 | 0.00 | |
| ChangesInCash | -84.59M | 49.54M | 48.53M | -1.12M |
| FinancingCashFlow | 35.88M | 149.00K | 1.91M | 516.62M |
| CashFlowFromContinuingFinancingActivities | 35.88M | 149.00K | 1.91M | 516.62M |
| NetOtherFinancingCharges | 14.00K | -208.00K | -848.00K | -4.00K |
| ProceedsFromStockOptionExercised | 1.07M | 357.00K | 2.76M | 5.62M |
| NetPreferredStockIssuance | 0.00 | 0.00 | ||
| PreferredStockIssuance | 0.00 | 0.00 | ||
| NetCommonStockIssuance | 34.79M | 0.00 | 0.00 | 512.79M |
| CommonStockIssuance | 34.79M | 0.00 | 0.00 | 512.79M |
| NetIssuancePaymentsOfDebt | 0.00 | 0.00 | -1.78M | |
| NetLongTermDebtIssuance | 0.00 | 0.00 | -1.78M | |
| LongTermDebtPayments | 0.00 | 0.00 | -1.78M | |
| LongTermDebtIssuance | 0.00 | 0.00 | ||
| InvestingCashFlow | -32.67M | 143.43M | 137.19M | -450.94M |
| CashFlowFromContinuingInvestingActivities | -32.67M | 143.43M | 137.19M | -450.94M |
| NetInvestmentPurchaseAndSale | -28.03M | 148.70M | 147.93M | -440.54M |
| SaleOfInvestment | 341.40M | 272.51M | 148.76M | 0.00 |
| PurchaseOfInvestment | -369.43M | -123.81M | -834.00K | -440.54M |
| NetBusinessPurchaseAndSale | 0.00 | 0.00 | -4.63M | |
| PurchaseOfBusiness | 0.00 | 0.00 | -4.63M | |
| NetPPEPurchaseAndSale | -4.58M | -4.51M | -10.74M | -5.76M |
| PurchaseOfPPE | -4.58M | -4.51M | -10.74M | -5.76M |
| CapitalExpenditureReported | -59.00K | -763.00K | 0.00 | 0.00 |
| OperatingCashFlow | -87.80M | -94.04M | -90.56M | -66.81M |
| CashFlowFromContinuingOperatingActivities | -87.80M | -94.04M | -90.56M | -66.81M |
| ChangeInWorkingCapital | 4.64M | -3.19M | 3.05M | 1.05M |
| ChangeInOtherCurrentLiabilities | -3.39M | -2.14M | 9.37M | 8.08M |
| ChangeInOtherCurrentAssets | -113.00K | -81.00K | -10.04M | -7.34M |
| ChangeInPayablesAndAccruedExpense | 4.41M | -3.06M | 4.73M | 5.21M |
| ChangeInAccruedExpense | 4.02M | -1.83M | 4.01M | 4.50M |
| ChangeInPayable | 390.00K | -1.22M | 721.00K | 709.00K |
| ChangeInAccountPayable | 390.00K | -1.22M | 721.00K | 709.00K |
| ChangeInPrepaidAssets | 486.00K | 2.16M | -1.00M | -4.89M |
| ChangeInInventory | 4.34M | 286.00K | 0.00 | 0.00 |
| ChangeInReceivables | -1.09M | -368.00K | 0.00 | 0.00 |
| ChangesInAccountReceivables | -1.09M | -368.00K | 0.00 | 0.00 |
| OtherNonCashItems | 2.45M | 1.00M | 1.10M | 451.00K |
| StockBasedCompensation | 8.89M | 8.52M | 11.21M | 24.92M |
| UnrealizedGainLossOnInvestmentSecurities | 0.00 | -10.69M | 16.16M | 5.02M |
| ProvisionandWriteOffofAssets | 124.00K | 0.00 | 0.00 | |
| AssetImpairmentCharge | -3.23M | -3.38M | 9.48M | 0.00 |
| AmortizationOfSecurities | -8.40M | 0.00 | 0.00 | |
| DepreciationAmortizationDepletion | 4.60M | 4.16M | 2.58M | 1.04M |
| DepreciationAndAmortization | 4.60M | 4.16M | 2.58M | 1.04M |
| Depreciation | 1.04M | |||
| OperatingGainsLosses | 4.15M | 5.52M | -1.71M | 714.00K |
| GainLossOnInvestmentSecurities | 3.72M | 5.38M | -1.80M | 644.00K |
| GainLossOnSaleOfPPE | 425.00K | 136.00K | 91.00K | 70.00K |
| NetIncomeFromContinuingOperations | -101.01M | -95.96M | -132.44M | -94.99M |
SEC Filings
Recent 10-K, 10-Q, 8-K, and Form 4 (insider) filings.
Public Trades for QSI
| Date | User | Asset | Broker | Type | Position Size | Entry Price | Patterns |
|---|