13F

Stock

Quantum-Si Inc

QSI · held by 162 managers

Reported value

$48.8M

Holders

162

+41 new · −21 exited

Holders’ est. mark

−$15.5M

Price effect on 114 books still in the name

Largest holder

$10.4M

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.13.4M$10.4M−$4.26MCut−$3.98M
VANGUARD CAPITAL MANAGEMENT LLC7.02M$5.43MHeld
ARK Investment Management LLC6.88M$5.32M−$2.24MCut−$2.4M
Amova Asset Management Americas, Inc.4.39M$3.43M−$1.36MCut−$1.69M
Sumitomo Mitsui Trust Group, Inc.4.39M$3.4M−$1.43MCut−$1.76M
GEODE CAPITAL MANAGEMENT, LLC3.84M$2.97M−$1.25MCut−$1.56M
State Street3.77M$2.92M−$1.16MCut−$1M
Icahn Capital2.39M$1.85M−$28.3KAdded$1.76M
UBS Group AG1.7M$1.32M−$472.5KCut−$276.9K
VANGUARD PORTFOLIO MANAGEMENT LLC1.52M$1.18MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP1.55M$1.14M−$506.1KCut−$1.44M
NORTHERN TRUST CORP1.26M$975.8K−$411KCut−$1.45M
VANGUARD FIDUCIARY TRUST CO1.12M$864.8KHeld
Fosun International Ltd743.9K$575.8K−$242.5KCut−$242.5K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC457.6K$354.2K−$149.2KCut−$160.8K
Nuveen, LLC451.4K$349.4K−$145.9KCut−$142.9K
GOLDMAN SACHS GROUP INC444.2K$343.8K−$126.1KCut−$81.7K
Invesco Ltd.406.7K$314.8K−$131.3KCut−$128.3K
XTX Topco Ltd389.3K$301.3K−$126.9KCut−$206.9K
ALLIANCEBERNSTEIN L.P.272.2K$299.4K$0Held
Bank of New York Mellon Corp383.1K$296.5K−$124.9KCut−$150.4K
IEQ CAPITAL, LLC357.7K$276.9KNew
Knollwood Investment Advisory, LLC300K$232.2K−$97.8KCut−$97.8K
IQ EQ FUND MANAGEMENT (IRELAND) Ltd292.1K$226.1K−$82.8KCut−$53.2K
GROUP ONE TRADING LLC284K$219.8K−$80.1KCut−$50.6K
BRIDGEWAY CAPITAL MANAGEMENT, LLC261.1K$202.1K−$85.1KCut−$85.1K
IMC-Chicago, LLC220.9K$171KNew
CIBC Bancorp USA Inc.208.5K$161.4KHeld
Verdence Capital Advisors LLC203.9K$157.8K−$61.2KCut−$48.8K
Mariner, LLC199.7K$154.5K−$18.5KAdded$92K
RHUMBLINE ADVISERS193.1K$149.4K−$62.9KCut−$63.5K
BANK OF AMERICA CORP /DE/162K$125.4K−$52.8KCut−$158.9K
Shay Capital LLC150.9K$116.8K−$48.6KCut−$47.2K
MORGAN STANLEY129.9K$100.6K−$42.4KCut−$339.4K
AlphaCore Capital LLC128.4K$99.4K−$15.9KAdded$45.1K
CWM, LLC126.6K$98K$5.41KAdded$98K
DEUTSCHE BANK AG\119K$91.7K−$39.3KCut−$39.3K
Renaissance Technologies117.9K$91.3KNew
LOS ANGELES CAPITAL MANAGEMENT LLC116.3K$90K−$116.8KCut−$98.8K
JONES FINANCIAL COMPANIES LLLP109.9K$84K−$33.2KCut−$24.8K
MetLife Investment Management, LLC101.6K$78.6K−$11.2KAdded$41K
SIMPLEX TRADING, LLC90.5K$70.1K−$26.2KCut−$18.5K
Vanguard Global Advisers, LLC84.8K$65.6KHeld
Cerity Partners LLC80.7K$62.4KNew
JPMORGAN CHASE & CO83.5K$61.6K−$27.9KCut−$23K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.74.9K$58K−$23.8KCut−$22.3K
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC89.5K$57.9KNew
CAPTRUST FINANCIAL ADVISORS69K$53.4K−$11.3KAdded$15.4K
WELLS FARGO & COMPANY/MN63.9K$49.4K−$20.8KCut−$144.3K
Quantbot Technologies LP58.5K$45.2KNew
MERCER GLOBAL ADVISORS INC /ADV55.2K$42.7KNew
TWO SIGMA INVESTMENTS, LP52.9K$41K−$17.3KCut−$1.48M
Creative Planning52.5K$40.7KNew
MANUFACTURERS LIFE INSURANCE COMPANY, THE47.5K$36.7K−$15.5KCut−$16.5K
DEERFIELD MANAGEMENT COMPANY, L.P.333.3K$36.2K−$30.6KCut−$30.6K
INTECH INVESTMENT MANAGEMENT LLC46.5K$36K−$15.2KCut−$36.2K
Police & Firemen's Retirement System of New Jersey46.2K$35.7K−$15.1KCut−$15.1K
Green Alpha Advisors, LLC43.2K$33.4K−$14.1KCut−$23.2K
Sanctuary Advisors, LLC42.8K$33.1K−$13.8KCut−$13.5K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM41.3K$32K−$13.5KCut−$13.5K
NINE MASTS CAPITAL Ltd41.1K$31.8KNew
HOLLENCREST CAPITAL MANAGEMENT40.1K$31K−$3.26KAdded$20K
BARCLAYS PLC39.1K$30.3K−$12.8KCut−$266.1K
BNP PARIBAS FINANCIAL MARKETS38.4K$29.7K−$11.8KCut−$10.2K
Red Wave Investments LLC37K$28.6K−$12.1KCut−$12.1K
Merit Financial Group, LLC36.3K$28.1KNew
China Universal Asset Management Co., Ltd.34.7K$26.9K−$10.4KCut−$8.19K
ProShare Advisors LLC33.2K$25.7K−$10.8KCut−$15.3K
SEI INVESTMENTS CO33.1K$25.6K−$10.8KCut−$10.8K
SBI Securities Co., Ltd.32.1K$24.9K−$10.5KCut−$12.7K
Fidelity32K$24.7K−$10.4KCut−$83K
Northern Lights Advisors, Inc.30K$23.2K−$9.78KCut−$9.78K
COMMONWEALTH EQUITY SERVICES, LLC29.8K$23.1K−$9.12KCut−$7.7K
VOYA INVESTMENT MANAGEMENT LLC27.2K$21.1K−$8.88KCut−$8.88K
Wealth Management Associates, Inc.26.9K$20.9K−$8.79KCut−$8.79K
NEW YORK STATE COMMON RETIREMENT FUND26.1K$20.2K−$8.5KCut−$8.5K
Pallas Capital Advisors LLC25.8K$19.9KNew
Kovack Advisors, Inc.30K$19.7K−$7.43KAdded$1.26K
Leonteq Securities AG25K$19.4K−$8.15KCut−$8.15K
Tower Research Capital LLC (TRC)24.9K$19.3K−$8.13KCut−$16.5K
Vanguard Personalized Indexing Management, LLC24K$18.6K−$7.76KCut−$7.61K
Focus Partners Wealth23.5K$18.2KNew
HBW ADVISORY SERVICES LLC22.7K$17.6K−$7.4KCut−$9.01K
Krilogy Financial LLC16.7K$17.4KNew
LPL Financial LLC22.5K$17.4K−$7.32KCut−$10.3K
PRUDENTIAL FINANCIAL INC21.6K$16.7KNew
NewEdge Advisors, LLC15.8K$15.8K−$1.4KAdded$374
Capital Investment Advisory Services, LLC20K$15.5K−$6.52KCut−$6.52K
VICTORY CAPITAL MANAGEMENT INC19.8K$15.3K−$6.45KCut−$6.45K
DLK Investment Management, LLC16.8K$13KNew
Focus Partners Advisor Solutions, LLC16.5K$12.8KNew
Citadel15.5K$12K−$5.07KCut−$2.93M
Essential Partners LLC15.4K$11.9KNew
Stratos Wealth Advisors, LLC15K$11.6K−$4.9KCut−$4.9K
Integrated Wealth Concepts LLC14.5K$11.2KNew
Ameritas Investment Partners, Inc.14.4K$11.1K−$4.7KCut−$4.7K
Flagship Private Wealth, LLC14.2K$11K−$4.62KCut−$4.62K
XPONANCE LLC13.8K$10.7K−$3.85KCut−$2.29K
Procyon Advisors, LLC13.7K$10.6K−$4.46KCut−$4.46K
CITIGROUP INC13.3K$10.3K−$4.34KCut−$11.4K
Legal & General Group Plc12.9K$9.95K−$4.19KCut−$4.19K
Graham Capital Management, L.P.12.2K$9.46K−$3.98KCut−$6.41K
Russell Investments Group, Ltd.11.8K$9.17K−$3.86KCut−$20.4K
NorthCrest Asset Manangement, LLC12.1K$9.08KNew
Curi Capital, LLC10.4K$8.04KNew
Cresset Asset Management, LLC10.2K$7.9K−$3.33KCut−$3.33K
Mirae Asset Global Investments Co., Ltd.10.2K$7.89K−$3.1KCut−$2.56K
Ground Swell Capital, LLC10.1K$7.84KNew
RED REEF ADVISORS LLC10K$7.74K−$3.26KCut−$3.26K
KESTRA PRIVATE WEALTH SERVICES, LLC10K$7.74KNew
Glen Eagle Advisors, LLC10K$7.74K−$3.26KCut−$3.26K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM8.5K$6.58K−$2.77KCut−$4.05K
WOLVERINE ASSET MANAGEMENT LLC20.7K$6.35K−$4.89KCut−$434
OSAIC HOLDINGS, INC.7.97K$6.14K−$2.34KCut−$1.68K
Allworth Financial LP6.83K$5.29K−$143Added$4.81K
Sterling Capital Management LLC5.67K$4.39K−$1.85KCut−$5.57K
EverSource Wealth Advisors, LLC5.46K$4.22K−$140Added$3.75K
Blue Trust, Inc.5K$3.87K−$1.63KCut−$1.63K
MTM Investment Management, LLC4.13K$3.19K−$1.34KCut−$1.34K
N.E.W. Advisory Services LLC3.85K$2.98K−$1.26KCut−$1.26K
GF FUND MANAGEMENT CO. LTD.3.72K$2.88K−$1.21KCut−$1.21K
PINNEY & SCOFIELD, INC.3.68K$2.85K−$1.2KCut−$1.2K
JANE STREET GROUP, LLC16.6K$1.8K−$16.2KCut−$1.22M
IFP Advisors, Inc2.1K$1.63KNew
Archer Investment Corp2K$1.55K−$652Cut−$652
Steward Partners Investment Advisory, LLC2K$1.55KNew
GAMMA Investing LLC1.83K$1.42K−$597Cut−$6.27K
ROTHSCHILD INVESTMENT LLC1.69K$1.31K−$23Added$1.23K
Arax Advisory Partners1.36K$1.06KNew
Farther Finance Advisors, LLC1.33K$997New
MAI Capital Management1.27K$987New
Sound Income Strategies, LLC1K$748−$522Cut−$522
Optiver Holding B.V.806$624−$263Cut−$396
Wealth Preservation Advisors, LLC549$425New
Rialto Wealth Management, LLC509$394New
True Wealth Design, LLC507$393New
Medallion Wealth Advisors, LLC470$363−$154Cut−$154
Walleye Trading LLC448$347New
NISA INVESTMENT ADVISORS, LLC382$296−$124Cut−$373
Walleye Capital LLC312$241−$19Added$177
Caitong International Asset Management Co., Ltd305$236−$99Cut−$41.5K
Root Financial Partners, LLC292$226New
TD Waterhouse Canada Inc.300$224−$103Cut−$648
HARBOUR INVESTMENTS, INC.250$194New
GILL CAPITAL PARTNERS, LLC200$155New
Sunbelt Securities, Inc.143$111New
SJS Investment Consulting Inc.119$93New
Bangor Savings Bank105$81New
PRICE T ROWE ASSOCIATES INC /MD/96.5K$75−$32Cut−$32
Virtu Financial LLC64.8K$50−$21Cut−$212
Federation des caisses Desjardins du Quebec50$39−$16Cut−$16
Cambridge Investment Research Advisors, Inc.41.8K$32−$13Cut−$10
JTC Employer Solutions Trustee Ltd34.5K$27−$11Cut−$11
SG Americas Securities, LLC33.7K$26−$10Cut−$6
TORONTO DOMINION BANK100$11New
Kilter Group LLC4$4New
FNY Investment Advisers, LLC4K$3−$1Cut−$1
Hanson & Doremus Investment Management1.3K$1New
ROYAL BANK OF CANADA109$0−$122Cut−$5K

Who left

Positions as of Q1 2026. 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.