Quantum-Si incorporated

NasdaqGM:QSI Stock Report

Market Cap: US$250.0m

Quantum-Si Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:QSI Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
22 Dec 25SellUS$30,250Jeffrey HawkinsIndividual23,707US$1.28
22 Dec 25SellUS$11,008Jeffry KeyesIndividual8,627US$1.28
22 Dec 25SellUS$15,249Christian LapointeIndividual11,951US$1.28
22 Dec 25SellUS$27,979John VieceliIndividual21,927US$1.28
23 Sep 25SellUS$61,316Todd BennettIndividual36,964US$1.68
23 Sep 25SellUS$12,849Jeffry KeyesIndividual7,746US$1.68
23 Sep 25SellUS$32,655John VieceliIndividual19,686US$1.68
23 Sep 25SellUS$35,309Jeffrey HawkinsIndividual21,286US$1.68
23 Sep 25SellUS$17,796Christian LapointeIndividual10,728US$1.68
23 Jun 25SellUS$13,918Jeffry KeyesIndividual8,624US$1.61
23 Jun 25SellUS$19,280Christian LapointeIndividual11,946US$1.61
23 Jun 25SellUS$35,382John VieceliIndividual21,923US$1.61
23 Jun 25SellUS$38,257Jeffrey HawkinsIndividual23,705US$1.61
21 Mar 25SellUS$5,981John VieceliIndividual4,317US$1.39
21 Mar 25SellUS$11,951Jeffry KeyesIndividual8,626US$1.39
21 Mar 25SellUS$6,783Christian LapointeIndividual4,896US$1.39
21 Mar 25SellUS$32,846Jeffrey HawkinsIndividual23,707US$1.39

Insider Trading Volume

Insider Buying: QSI insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of QSI?
Owner TypeNumber of SharesOwnership Percentage
Private Companies743,9350.345%
Individual Insiders36,894,18417.1%
Institutions59,988,62927.8%
General Public117,862,91754.7%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 51%.

Top Shareholders

Top 25 shareholders own 41.49% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
15.6%
Jonathan Rothberg
33,644,178US$39.0m0.74%no data
5.25%
BlackRock, Inc.
11,321,673US$13.1m4.37%no data
4.04%
The Vanguard Group, Inc.
8,714,507US$10.1m0.52%no data
3.54%
ARK Investment Management LLC
7,624,042US$8.8m-4.23%0.05%
2.42%
Amova Asset Management Co., Ltd.
5,217,499US$6.1m-7.18%no data
1.74%
Geode Capital Management, LLC
3,747,169US$4.3m8.68%no data
1.31%
State Street Global Advisors, Inc.
2,817,490US$3.3m2.21%no data
1.24%
Millennium Management LLC
2,669,959US$3.1m-29.4%no data
1.08%
Northern Trust Global Investments
2,323,042US$2.7m1.47%no data
0.95%
Susquehanna International Group, LLP
2,041,095US$2.4m107%no data
0.75%
Jane Street Group, LLC
1,610,023US$1.9m465%no data
0.56%
HighCape Partners Management, L.P.
1,200,000US$1.4m0%31.5%
0.35%
Fosun International Holdings Ltd.
743,935US$863.0k0%0.01%
0.32%
Todd Bennett
681,521US$790.6k0%no data
0.28%
Squarepoint OPS LLC
613,475US$711.6k0%no data
0.25%
RBC Dominion Securities Inc.
528,700US$613.3k17.9%no data
0.24%
Two Sigma Investments, LP
515,852US$598.4k-8.61%no data
0.23%
UBS Asset Management AG
504,859US$585.6k-36.1%no data
0.22%
Charles Schwab Investment Management, Inc.
468,088US$543.0k8.49%no data
0.21%
Christian Lapointe
447,742US$519.4k7.74%no data
0.19%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
414,416US$480.7k-62.1%no data
0.19%
Citadel Advisors LLC
407,047US$472.2k-27.1%no data
0.18%
BNY Asset Management
394,905US$458.1k12%no data
0.18%
Group One Trading LLC
377,774US$438.2k181%0.01%
0.17%
Jeffrey Hawkins
374,864US$434.8k10.6%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/01/04 01:23
End of Day Share Price 2026/01/02 00:00
Earnings2025/09/30
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Quantum-Si incorporated is covered by 3 analysts. 3 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Scott HenryAlliance Global Partners
Kyle MiksonCanaccord Genuity
Swayampakula RamakanthH.C. Wainwright & Co.