QSI on Nasdaq

Quantum-Si Inc

American measuring and controlling devices company, incorporated in Delaware. Summary from the record

Price unavailable

Last updated Oct 19, 2026.

Overview

$2.4MRevenue, fiscal 20252
-$101.3MNet income, fiscal 20252

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  • TickerQSI on Nasdaq1
  • IndustryMeasuring & Controlling Devices, NEC1
  • HeadquartersBranford, Connecticut1
  • Incorporated inDE3
  • Business address29 Business Park Drive, Branford, Ct 064053
  • Filer categoryNon-accelerated filer, Smaller reporting company3

Quantum-Si Incorporated (including its subsidiaries, “Quantum-Si”, “QSI”, or the “Company”) was incorporated in Delaware on June 10, 2020 as HighCape Capital Acquisition Corp. (“HighCape”). The Company’s legal name became Quantum-Si Incorporated following a business combination on June 10, 2021 between the Company and Q-SI Operations Inc. (formerly Quantum-Si Incorporated) (the “Business Combination”), which was founded in 2013.4 From its latest annual report

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2025

47.3%Gross margin2
-4766.0%Operating margin2
-4160.1%Net margin2
-20.3%Revenue growth, 20252
-46.0%Return on equity2
-$97.2MFree cash flow2

What sells

Revenue by product, business segment and region, as the company reports it to the SEC.

Products and services

Product brought in 94% of the revenue Quantum-Si Inc broke down this way in fiscal 2025.

  1. Product$2.3M294%down 22% from 2024
  2. Service$150.0K26%up 13% from 2024
Products and services by year
Products and services202320242025
Product$1.0M$2.9M$2.3M
Service$51.0K$133.0K$150.0K

Regions

Outside the United States brought in 71% of the revenue Quantum-Si Inc broke down this way in fiscal 2025.

  1. Outside the United States$1.7M271%down 5% from 2024
  2. United States$699.0K229%down 43% from 2024
Regions by year
Regions202320242025
Outside the United States$294.0K$1.8M$1.7M
United States$788.0K$1.2M$699.0K

Where the money goes

Where each dollar of revenue went, fiscal 2025

  • Cost of revenue1¢$1.3M
  • Research and development54¢$53.8M
  • Selling, general and admin45¢$44.8M
  • Income tax0¢$58.0K

Out of $2.4M in revenue.2 The company lost money this year.

Financial statements

Revenue562$2.4M in 2025
0$1.0M$2.0M$3.0M$4.0M2021: $0$020212022: $0$020222023: $1.1M$1.1M20232024: $3.1M$3.1M2024+183%2025: $2.4M$2.4M2025−20%
Gross profit562$1.2M in 2025
0$500.0K$1.0M$1.5M$2.0M2021: $0$020212022: $0$020222023: $488.0K$488.0K20232024: $1.6M$1.6M2024+228%2025: $1.2M$1.2M2025−28%
Operating income78562-$116.1M in 2025+217% since 2019
-$150.0M-$100.0M-$50.0M02019: -$36.6M-$36.6M20192020: -$36.7M-$36.7M2020+0%2021: -$96.9M-$96.9M2021+164%2022: -$123.8M-$123.8M2022+28%2023: -$111.2M-$111.2M2023−10%2024: -$108.6M-$108.6M2024−2%2025: -$116.1M-$116.1M2025+7%
Net income78562-$101.3M in 2025+183% since 2019
-$150.0M-$100.0M-$50.0M02019: -$35.8M-$35.8M20192020: -$36.6M-$36.6M2020+2%2021: -$95.0M-$95.0M2021+159%2022: -$132.4M-$132.4M2022+39%2023: -$96.0M-$96.0M2023−28%2024: -$101.0M-$101.0M2024+5%2025: -$101.3M-$101.3M2025+0%

Every line of the income statement as filed: the last 3 fiscal years, latest first.2

Period ending2025-12-312024-12-312023-12-31
Total revenue$2.4M$3.1M$1.1M
Cost of revenue$1.3M$1.5M$594.0K
Gross profit$1.2M$1.6M$488.0K
Research and development$53.8M$59.6M$67.0M
Selling, general and administrative$44.8M$50.5M$44.6M
Lease termination expense, net$13.6M$0$0
Legal settlement expense, net of insurance proceeds$5.2M$0$0
Total operating expenses$117.3M$110.2M$111.7M
Loss from operations-$116.1M-$108.6M-$111.2M
Dividend income$697.0K$1.7M$9.1M
Interest income$9.0M$9.6M$459.0K
Unrealized gain on trading securities$0$0$10.7M
Realized loss on trading securities$0$0-$5.1M
Change in fair value of warrant liabilities$4.2M-$3.7M-$278.0K
Other income (expense), net$955.0K-$19.0K$366.0K
Loss before provision for income taxes-$101.3M-$101.0M-$96.0M
Provision for income taxes-$58.0K-$56.0K$0
Net loss-$101.3M-$101.0M-$96.0M
Basic net loss per share (in dollars per share)-$0.51-$0.71-$0.68
Diluted net loss per share (in dollars per share)-$0.51-$0.71-$0.68
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic (in shares)197.8M shares143.2M shares141.3M shares
Weighted-average shares used to compute net loss per share attributable to common stockholders, diluted (in shares)197.8M shares143.2M shares141.3M shares
Net unrealized (loss) gain on marketable securities, net of tax-$63.0K$70.0K$0
Foreign currency translation adjustment$12.0K-$25.0K$0
Total other comprehensive (loss) gain, net of tax-$51.0K$45.0K$0
Comprehensive loss-$101.4M-$101.0M-$96.0M

Compare Quantum-Si Inc with another company

Leadership

Who has led Quantum-Si Inc, and when. Pick a name to see everywhere that person has worked.

Board members and other officers (21)

Former names

  • HighCape Capital Acquisition Corp.Jul 2, 2020 to Jun 10, 20213

Timeline

  1. Sep 3, 2020New chief executive Kevin Rakin becomes CEO13

Filings

352 filings to the SEC since October 2021: 5 annual reports, 15 quarterly reports, 78 major events, 135 insider forms, 30 large holders, 89 other. The latest 20:

  1. Oct 15, 20268-K EDGAR
  2. Oct 8, 20268-K EDGAR
  3. Sep 29, 20268-K EDGAR
  4. Sep 23, 2026144 EDGAR
  5. Sep 23, 2026144 EDGAR
  6. Sep 23, 2026144 EDGAR
  7. Sep 23, 20264 EDGAR
  8. Sep 23, 20264 EDGAR
  9. Sep 23, 20264 EDGAR
  10. Aug 28, 2026SCHEDULE 13D/A EDGAR
  11. Aug 13, 202610-Q EDGAR
  12. Aug 13, 20268-K EDGAR
  13. Jul 29, 2026SCHEDULE 13G/A EDGAR
  14. Jul 24, 20268-K EDGAR
  15. Jun 24, 2026144 EDGAR
  16. Jun 24, 2026144 EDGAR
  17. Jun 24, 20268-K EDGAR
  18. Jun 24, 2026144 EDGAR
  19. Jun 24, 2026144 EDGAR
  20. Jun 24, 20264 EDGAR

The 352 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

77 open-market trades by officers, directors and large owners since October 2021: 13 buys and 64 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Sep 22, 2026Hawkins Jeffrey AlanPresident & CEOSale9,709$0.76$7.4KForm 4
Sep 22, 2026Keyes Jeffry R.Chief Financial OfficerSale2,493$0.76$1.9KForm 4
Sep 22, 2026LaPointe ChristianGC & Corp. SecretarySale4,721$0.76$3.6KForm 4
Sep 21, 2026Hawkins Jeffrey AlanPresident & CEOSale20,143$0.76$15.3KForm 4
Sep 21, 2026Keyes Jeffry R.Chief Financial OfficerSale5,172$0.76$3.9KForm 4
Sep 21, 2026LaPointe ChristianGC & Corp. SecretarySale9,795$0.76$7.4KForm 4
Jun 23, 2026LaPointe ChristianGC & Corp. SecretarySale7,794$0.90$7.0KForm 4
Jun 23, 2026Keyes Jeffry R.Chief Financial OfficerSale4,117$0.90$3.7KForm 4
Jun 23, 2026Vieceli John S.Chief Product OfficerSale15,112$0.90$13.6KForm 4
Jun 23, 2026Hawkins Jeffrey AlanPresident & CEOSale11,311$0.90$10.2KForm 4
Jun 22, 2026LaPointe ChristianGC & Corp. SecretarySale7,794$0.96$7.5KForm 4
Jun 22, 2026Keyes Jeffry R.Chief Financial OfficerSale4,116$0.96$4.0KForm 4
Jun 22, 2026Vieceli John S.Chief Product OfficerSale15,111$0.96$14.5KForm 4
Jun 22, 2026Hawkins Jeffrey AlanPresident & CEOSale11,310$0.96$10.9KForm 4
Apr 21, 2026Keyes Jeffry R.Chief Financial OfficerSale37,381$1.00$37.4KForm 4
Apr 21, 2026Hawkins Jeffrey AlanPresident & CEOSale83,712$1.00$83.7KForm 4
Apr 20, 2026Keyes Jeffry R.Chief Financial OfficerSale37,382$1.01$37.8KForm 4
Apr 20, 2026Hawkins Jeffrey AlanPresident & CEOSale83,712$1.01$84.5KForm 4
Mar 23, 2026Keyes Jeffry R.Chief Financial OfficerSale4,422$0.83$3.7KForm 4
Mar 23, 2026LaPointe ChristianGC & Corp. SecretarySale6,110$0.83$5.1KForm 4

All 77 trades can be filtered by person here when JavaScript is on.

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 100. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
Vanguard Capital Management LLC7,578,208$6.7M0.0%+556,301
ARK Investment Management LLC7,167,738$6.3M0.0%+288,839
BlackRock, Inc.5,225,352$4.6M0.0%−8,189,597
Amova Asset Management Americas, Inc.3,885,230$3.5M0.0%−506,436
Sumitomo Mitsui Trust Group, Inc.3,885,230$3.4M0.0%−506,436
Millennium Management LLC3,131,726$2.8M0.0%New
UBS Group AG2,561,897$2.3M0.0%+859,370
Aqr Capital Management LLC2,348,665$2.1M0.0%−43,514
Geode Capital Management, LLC2,236,526$2.0M0.0%−1,598,595
Jane Street Group, LLC2,142,735$1.9M0.0%New
Susquehanna International Group, Llp1,116,750$988.3K0.0%−347,818
Vanguard Fiduciary Trust Co1,116,683$988.3K0.0%−569
State Street Corp890,741$788.3K0.0%−2,879,948
Fosun International Ltd743,935$658.4K0.1%No change
Renaissance Technologies LLC553,871$490.2K0.0%+435,971
Vanguard Portfolio Management LLC497,098$439.9K0.0%−1,023,548
Goldman Sachs Group Inc476,288$421.5K0.0%+32,111
Northern Trust Corp450,531$398.7K0.0%−810,170
Invesco Ltd.443,929$392.9K0.0%+37,239
Bnp Paribas Financial Markets398,598$352.8K0.0%+360,208
Ieq Capital, LLC350,816$310.5K0.0%−6,872
Aster Capital Management (DIFC) Ltd344,510$304.9K0.1%New
Morgan Stanley323,482$286.3K0.0%+193,542
IQ EQ FUND MANAGEMENT (IRELAND) Ltd321,134$284.2K0.0%+29,027
Knollwood Investment Advisory, LLC300,000$265.5K0.0%No change

13F reports cover disclosed long positions in U.S. stocks only.

Sources

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