13F

Stock

Quantum-Si Inc

QSI · held by 141 managers

Reported value

$73.8M

Holders

141

+3 new · −1 exited

Holders’ est. mark

−$252K

Price effect on 7 books still in the name

Largest holder

$14.4M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.13.1M$14.4MHeld
Vanguard9.61M$10.6MHeld
ARK Investment Management LLC7.02M$7.72MHeld
Sumitomo Mitsui Trust Group, Inc.4.69M$5.16MHeld
Amova Asset Management Americas, Inc.4.69M$5.11MHeld
GEODE CAPITAL MANAGEMENT, LLC4.11M$4.53MHeld
State Street3.56M$3.92MHeld
Citadel2.68M$2.94MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP2.42M$2.58MHeld
NORTHERN TRUST CORP2.21M$2.43MHeld
UBS Group AG1.45M$1.59MHeld
TWO SIGMA INVESTMENTS, LP1.38M$1.52MHeld
JANE STREET GROUP, LLC1.12M$1.22MHeld
Fosun International Ltd743.9K$818.3KHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC468.2K$515KHeld
XTX Topco Ltd462K$508.2KHeld
Nuveen, LLC447.5K$492.3KHeld
Bank of New York Mellon Corp406.3K$446.9KHeld
Invesco Ltd.402.8K$443.1KHeld
MORGAN STANLEY400K$440K−$84KAdded$57.9K
GOLDMAN SACHS GROUP INC386.8K$425.5KHeld
Knollwood Investment Advisory, LLC300K$330KHeld
Quadrature Capital Ltd276.9K$304.6KHeld
ALLIANCEBERNSTEIN L.P.272.2K$299.4KHeld
BARCLAYS PLC269.4K$296.4K−$68.6KCut−$15.5K
BRIDGEWAY CAPITAL MANAGEMENT, LLC261.1K$287.2KHeld
BANK OF AMERICA CORP /DE/258.4K$284.3K−$80.1KCut−$206.4K
IQ EQ FUND MANAGEMENT (IRELAND) Ltd253.9K$279.3KHeld
GROUP ONE TRADING LLC245.8K$270.4KHeld
RHUMBLINE ADVISERS193.6K$212.9KHeld
MILLENNIUM MANAGEMENT LLC191.8K$211KHeld
Verdence Capital Advisors LLC187.8K$206.6KHeld
WELLS FARGO & COMPANY/MN176.1K$193.7KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC93K$188.8KHeld
Shay Capital LLC149.1K$164KHeld
DEUTSCHE BANK AG\119K$130.9KHeld
JONES FINANCIAL COMPANIES LLLP98.9K$108.8KHeld
Fidelity97.9K$107.7KHeld
Icahn Capital86.7K$95.4KHeld
SIMPLEX TRADING, LLC80.5K$88.6KHeld
JPMORGAN CHASE & CO76.9K$84.6KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.73K$80.3KHeld
INTECH INVESTMENT MANAGEMENT LLC65.6K$72.2KHeld
DEERFIELD MANAGEMENT COMPANY, L.P.333.3K$66.8KHeld
Mariner, LLC56.9K$62.6KHeld
Green Alpha Advisors, LLC51.5K$56.7KHeld
AlphaCore Capital LLC49.6K$54.3KHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE48.4K$53.2KHeld
Police & Firemen's Retirement System of New Jersey46.2K$50.8KHeld
Scientech Research LLC45.9K$50.5KHeld
Sanctuary Advisors, LLC42.4K$46.7K−$11.3KCut−$4.83K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM41.3K$45.4KHeld
Caitong International Asset Management Co., Ltd38K$41.8KHeld
ProShare Advisors LLC37.3K$41.1KHeld
Red Wave Investments LLC37K$40.7KHeld
BNP PARIBAS FINANCIAL MARKETS36.3K$39.9KHeld
CAPTRUST FINANCIAL ADVISORS34.6K$38.1KHeld
MetLife Investment Management, LLC34.2K$37.6KHeld
SBI Securities Co., Ltd.34.2K$37.6KHeld
SEI INVESTMENTS CO33.1K$36.4KHeld
Tower Research Capital LLC (TRC)32.6K$35.9KHeld
China Universal Asset Management Co., Ltd.31.9K$35.1KHeld
DIMENSIONAL FUND ADVISORS LP31.3K$34.5KHeld
Northern Lights Advisors, Inc.30K$33KHeld
COMMONWEALTH EQUITY SERVICES, LLC28K$30.8KHeld
VOYA INVESTMENT MANAGEMENT LLC27.2K$30KHeld
Wealth Management Associates, Inc.26.9K$29.6KHeld
Russell Investments Group, Ltd.26.9K$29.6KHeld
NEUBERGER BERMAN GROUP LLC26.8K$29.5KHeld
NEW YORK STATE COMMON RETIREMENT FUND26.1K$28.7KHeld
LPL Financial LLC25.2K$27.7KHeld
Leonteq Securities AG25K$27.5K−$7.75KCut−$7.75K
HBW ADVISORY SERVICES LLC24.2K$26.6KHeld
Curbstone Financial Management Corp24K$26.4KHeld
Vanguard Personalized Indexing Management, LLC23.8K$26.2KHeld
Atom Investors LP22K$24.2KHeld
Capital Investment Advisory Services, LLC20K$22KHeld
VICTORY CAPITAL MANAGEMENT INC19.8K$21.8KHeld
CITIGROUP INC19.8K$21.8KHeld
Balyasny Asset Management L.P.19.3K$21.2KHeld
Blueshift Asset Management, LLC17.4K$19.2KHeld
Kovack Advisors, Inc.16.8K$18.5KHeld
Stratos Wealth Advisors, LLC15K$16.5KHeld
Graham Capital Management, L.P.14.4K$15.9KHeld
Ameritas Investment Partners, Inc.14.4K$15.8KHeld
Flagship Private Wealth, LLC14.2K$15.6KHeld
NewEdge Advisors, LLC14K$15.4KHeld
Procyon Advisors, LLC13.7K$15KHeld
EWA, LLC13.6K$15KHeld
Legal & General Group Plc12.9K$14.1KHeld
McAdam, LLC12.3K$13.6KHeld
XPONANCE LLC11.8K$13KHeld
State of Wyoming11.1K$12.2KHeld
CIBC WORLD MARKETS CORP10.4K$11.4KHeld
Cresset Asset Management, LLC10.2K$11.2KNew
Kestra Advisory Services, LLC10.1K$11.1KHeld
RED REEF ADVISORS LLC10K$11KHeld
Glen Eagle Advisors, LLC10K$11KHeld
HOLLENCREST CAPITAL MANAGEMENT10K$11KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM9.66K$10.6KHeld
Mirae Asset Global Investments Co., Ltd.9.5K$10.5KHeld
Sterling Capital Management LLC9.05K$9.96KHeld
OSAIC HOLDINGS, INC.7.1K$7.81KHeld
GAMMA Investing LLC6.99K$7.69KHeld
WOLVERINE ASSET MANAGEMENT LLC6.17K$6.79KHeld
Blue Trust, Inc.5K$5.5KHeld
TUCKER ASSET MANAGEMENT LLC4.71K$5.18KNew
ROYAL BANK OF CANADA4.47K$5KHeld
MTM Investment Management, LLC4.13K$4.54KHeld
N.E.W. Advisory Services LLC3.85K$4.24KHeld
GF FUND MANAGEMENT CO. LTD.3.72K$4.09KHeld
PINNEY & SCOFIELD, INC.3.68K$4.05KHeld
Archer Investment Corp2K$2.2KHeld
Sound Income Strategies, LLC1K$1.27KHeld
Signature Resources Capital Management, LLC1K$1.1KHeld
Optiver Holding B.V.927$1.02KHeld
TD Waterhouse Canada Inc.800$872Held
NISA INVESTMENT ADVISORS, LLC608$669Held
Medallion Wealth Advisors, LLC470$517−$75Added$176
Allworth Financial LP436$480−$135Cut−$720
EverSource Wealth Advisors, LLC427$470Held
Virtu Financial LLC238.4K$262Held
United Financial Planning Group LLC200$220Held
HRT FINANCIAL LP104.3K$114Held
PRICE T ROWE ASSOCIATES INC /MD/96.5K$107Held
ROTHSCHILD INVESTMENT LLC70$77Held
Walleye Capital LLC58$64Held
Federation des caisses Desjardins du Quebec50$55Held
Cambridge Investment Research Advisors, Inc.37.8K$42Held
JTC Employer Solutions Trustee Ltd34.5K$38Held
SG Americas Securities, LLC29.1K$32Held
SageView Advisory Group, LLC17$19Held
CWM, LLC6.99K$8Held
AMALGAMATED BANK4.93K$5Held
FNY Investment Advisers, LLC4K$4New
Capital Advisors, Ltd. LLC58$0Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.