Quantum-Si Inc - QSI

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2026 · Compare: Q2 2026
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
VANGUARD CAPITAL MANAGEMENT LLC History No change 7,578,208 6,706 0.0% 0.0% 1 0 0.0% Q2 2026 Aug 13, 2026
ARK Investment Management LLC History No change 7,167,738 6,343 0.04% 0.04% 2 0 0.0% Q2 2026 Aug 14, 2026
BlackRock, Inc. History No change 5,225,352 4,624 0.0% 0.0% 3 0 0.0% Q2 2026 Aug 07, 2026
Amova Asset Management Americas, Inc. History No change 3,885,230 3,457 0.04% 0.04% 4 0 0.0% Q2 2026 Aug 13, 2026
Sumitomo Mitsui Trust Group, Inc. History No change 3,885,230 3,438 0.0% 0.0% 5 0 0.0% Q2 2026 Jul 30, 2026
MILLENNIUM MANAGEMENT LLC History No change 3,131,726 2,771 0.0% 0.0% 6 0 0.0% Q2 2026 Aug 14, 2026
UBS Group AG History No change 2,561,897 2,267 0.0% 0.0% 7 0 0.0% Q2 2026 Aug 13, 2026
JANE STREET GROUP, LLC History No change 2,423,835 2,145 0.0% 0.0% 8 0 0.0% Q2 2026 Aug 14, 2026
AQR CAPITAL MANAGEMENT LLC History No change 2,348,665 2,078 0.0% 0.0% 9 0 0.0% Q2 2026 Aug 14, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 2,236,526 1,980 0.0% 0.0% 10 0 0.0% Q2 2026 Aug 12, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History No change 1,537,450 1,362 0.0% 0.0% 11 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD FIDUCIARY TRUST CO History No change 1,116,683 988 0.0% 0.0% 12 0 0.0% Q2 2026 Aug 13, 2026
STATE STREET CORP History No change 890,741 788 0.0% 0.0% 13 0 0.0% Q2 2026 Sep 22, 2026
Fosun International Ltd History No change 743,935 658 0.15% 0.15% 14 0 0.0% Q2 2026 Aug 12, 2026
RENAISSANCE TECHNOLOGIES LLC History No change 553,871 490 0.0% 0.0% 15 0 0.0% Q2 2026 Aug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History No change 497,098 439 0.0% 0.0% 16 0 0.0% Q2 2026 Aug 13, 2026
GOLDMAN SACHS GROUP INC History No change 476,288 421 0.0% 0.0% 17 0 0.0% Q2 2026 Aug 14, 2026
NORTHERN TRUST CORP History No change 450,531 398 0.0% 0.0% 18 0 0.0% Q2 2026 Aug 13, 2026
Invesco Ltd. History No change 443,929 392 0.0% 0.0% 19 0 0.0% Q2 2026 Aug 14, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 398,598 352 0.0% 0.0% 20 0 0.0% Q2 2026 Aug 13, 2026
IEQ CAPITAL, LLC History No change 350,816 310 0.0% 0.0% 21 0 0.0% Q2 2026 Aug 11, 2026
Aster Capital Management (DIFC) Ltd History No change 344,510 304 0.06% 0.06% 22 0 0.0% Q2 2026 Aug 14, 2026
CITADEL ADVISORS LLC History No change 332,935 294 0.0% 0.0% 23 0 0.0% Q2 2026 Sep 02, 2026
MORGAN STANLEY History No change 323,482 286 0.0% 0.0% 24 0 0.0% Q2 2026 Aug 13, 2026
IQ EQ FUND MANAGEMENT (IRELAND) Ltd History No change 321,134 284 0.02% 0.02% 25 0 0.0% Q2 2026 Jul 31, 2026
Knollwood Investment Advisory, LLC History No change 300,000 265 0.02% 0.02% 26 0 0.0% Q2 2026 Aug 13, 2026
IMC-Chicago, LLC History No change 285,758 252 0.0% 0.0% 27 0 0.0% Q2 2026 Aug 06, 2026
BARCLAYS PLC History No change 205,690 182 0.0% 0.0% 28 0 0.0% Q2 2026 Aug 14, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 206,100 182 0.0% 0.0% 29 0 0.0% Q2 2026 Aug 14, 2026
XTX Topco Ltd History No change 177,680 157 0.0% 0.0% 30 0 0.0% Q2 2026 Aug 14, 2026
SIMPLEX TRADING, LLC History No change 165,293 146 0.0% 0.0% 31 0 0.0% Q2 2026 Aug 12, 2026
Verdence Capital Advisors LLC History No change 158,305 140 0.01% 0.01% 32 0 0.0% Q2 2026 Jul 29, 2026
Mariner, LLC History No change 157,689 139 0.0% 0.0% 33 0 0.0% Q2 2026 Aug 13, 2026
Shay Capital LLC History No change 150,922 133 0.01% 0.01% 34 0 0.0% Q2 2026 Aug 14, 2026
FMR LLC History No change 123,767 109 0.0% 0.0% 35 0 0.0% Q2 2026 Aug 13, 2026
GROUP ONE TRADING LLC History No change 107,473 95 0.0% 0.0% 36 0 0.0% Q2 2026 Aug 13, 2026
JONES FINANCIAL COMPANIES LLLP History No change 100,483 85 0.0% 0.0% 37 0 0.0% Q2 2026 Aug 14, 2026
HRT FINANCIAL LP History No change 93,647 82 0.0% 0.0% 38 0 0.0% Q2 2026 Aug 14, 2026
AlphaCore Capital LLC History No change 89,368 79 0.0% 0.0% 39 0 0.0% Q2 2026 Aug 06, 2026
Cerity Partners LLC History No change 85,347 75 0.0% 0.0% 40 0 0.0% Q2 2026 Aug 14, 2026
Vanguard Global Advisers, LLC History No change 84,757 75 0.0% 0.0% 41 0 0.0% Q2 2026 Aug 13, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History No change 84,612 74 0.0% 0.0% 42 0 0.0% Q2 2026 Aug 14, 2026
Y-Intercept (Hong Kong) Ltd History No change 79,089 69 0.0% 0.0% 43 0 0.0% Q2 2026 Jul 13, 2026
JTC Employer Solutions Trustee Ltd History No change 77,787 69 0.01% 0.01% 44 0 0.0% Q2 2026 Jul 31, 2026
MERCER GLOBAL ADVISORS INC /ADV History No change 77,277 68 0.0% 0.0% 45 0 0.0% Q2 2026 Aug 19, 2026
RHUMBLINE ADVISERS History No change 75,989 67 0.0% 0.0% 46 0 0.0% Q2 2026 Aug 11, 2026
WINTON GROUP Ltd History No change 75,800 67 0.0% 0.0% 47 0 0.0% Q2 2026 Aug 07, 2026
CAPTRUST FINANCIAL ADVISORS History No change 73,128 64 0.0% 0.0% 48 0 0.0% Q2 2026 Aug 13, 2026
HOLLENCREST CAPITAL MANAGEMENT History No change 65,011 57 0.0% 0.0% 49 0 0.0% Q2 2026 Aug 13, 2026
GSA CAPITAL PARTNERS LLP History No change 60,011 53 0.0% 0.0% 50 0 0.0% Q2 2026 Aug 06, 2026
BANK OF AMERICA CORP /DE/ History No change 59,585 52 0.0% 0.0% 51 0 0.0% Q2 2026 Aug 14, 2026
Green Alpha Advisors, LLC History Added to 47,397 50 0.03% 0.03% 52 +1,476 3.21% Q3 2026 Oct 08, 2026
Creative Planning History No change 55,884 49 0.0% 0.0% 53 0 0.0% Q2 2026 Aug 13, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History No change 63,435 45 0.0% 0.0% 54 0 0.0% Q2 2026 Jul 15, 2026
Atom Investors LP History No change 51,554 45 0.0% 0.0% 55 0 0.0% Q2 2026 Aug 14, 2026
Sanctuary Advisors, LLC History No change 41,397 36 0.0% 0.0% 56 0 0.0% Q2 2026 Aug 13, 2026
Stratos Wealth Advisors, LLC History No change 40,036 35 0.0% 0.0% 57 0 0.0% Q2 2026 Aug 11, 2026
BRIGHTON JONES LLC History No change 38,585 34 0.0% 0.0% 58 0 0.0% Q2 2026 Aug 11, 2026
Point72 Asset Management, L.P. History No change 39,133 34 0.0% 0.0% 59 0 0.0% Q2 2026 Aug 14, 2026
Cambridge Investment Research Advisors, Inc. History No change 37,809 33 0.0% 0.0% 60 0 0.0% Q2 2026 Jul 27, 2026
Corient Private Wealth LP History No change 38,328 33 0.0% 0.0% 61 0 0.0% Q2 2026 Aug 27, 2026
Arax Advisory Partners History No change 36,790 32 0.0% 0.0% 62 0 0.0% Q2 2026 Aug 10, 2026
Red Wave Investments LLC History No change 37,000 32 0.01% 0.01% 63 0 0.0% Q2 2026 Aug 05, 2026
SBI Securities Co., Ltd. History No change 33,009 29 0.0% 0.0% 64 0 0.0% Q2 2026 Jul 22, 2026
IPG Investment Advisors LLC History No change 30,864 27 0.0% 0.0% 65 0 0.0% Q2 2026 Aug 12, 2026
Kovack Advisors, Inc. History No change 31,000 27 0.0% 0.0% 66 0 0.0% Q2 2026 Jul 28, 2026
China Universal Asset Management Co., Ltd. History No change 31,484 27 0.0% 0.0% 67 0 0.0% Q2 2026 Jul 24, 2026
Nuveen, LLC History No change 30,077 26 0.0% 0.0% 68 0 0.0% Q2 2026 Aug 11, 2026
Northern Lights Advisors, Inc. History No change 29,989 26 0.01% 0.01% 69 0 0.0% Q2 2026 Aug 06, 2026
DLK Investment Management, LLC History Added to 23,727 25 0.01% 0.01% 70 +4,727 24.88% Q3 2026 Oct 08, 2026
COMMONWEALTH EQUITY SERVICES, LLC History No change 27,100 23 0.0% 0.0% 71 0 0.0% Q2 2026 Jul 29, 2026
Wealth Management Associates, Inc. History No change 26,350 23 0.01% 0.01% 72 0 0.0% Q2 2026 Jul 21, 2026
Tower Research Capital LLC (TRC) History No change 23,758 21 0.0% 0.0% 73 0 0.0% Q2 2026 Aug 11, 2026
Merit Financial Group, LLC History No change 23,616 20 0.0% 0.0% 74 0 0.0% Q2 2026 Jul 20, 2026
Pallas Capital Advisors LLC History No change 23,320 20 0.0% 0.0% 75 0 0.0% Q2 2026 Aug 07, 2026
Neuberger Berman Group LLC History No change 21,766 19 0.0% 0.0% 76 0 0.0% Q2 2026 Aug 13, 2026
Leonteq Securities AG History No change 22,500 19 0.0% 0.0% 77 0 0.0% Q2 2026 Jul 27, 2026
HBW ADVISORY SERVICES LLC History No change 22,292 19 0.0% 0.0% 78 0 0.0% Q2 2026 Jul 16, 2026
LPL Financial LLC History No change 20,985 18 0.0% 0.0% 79 0 0.0% Q2 2026 Aug 07, 2026
Vanguard Personalized Indexing Management, LLC History No change 20,350 18 0.0% 0.0% 80 0 0.0% Q2 2026 Aug 11, 2026
VICTORY CAPITAL MANAGEMENT INC History No change 19,630 17 0.0% 0.0% 81 0 0.0% Q2 2026 Aug 07, 2026
Capital Investment Advisory Services, LLC History No change 20,000 17 0.0% 0.0% 82 0 0.0% Q2 2026 Jul 23, 2026
Bank of New York Mellon Corp History No change 18,805 16 0.0% 0.0% 83 0 0.0% Q2 2026 Aug 06, 2026
ANCHYRA PARTNERS LLC History No change 18,974 16 0.0% 0.0% 84 0 0.0% Q2 2026 Jul 23, 2026
JPMORGAN CHASE & CO History No change 17,071 15 0.0% 0.0% 85 0 0.0% Q2 2026 Aug 12, 2026
SG Americas Securities, LLC History No change 17,505 15 0.0% 0.0% 86 0 0.0% Q2 2026 Aug 07, 2026
Focus Partners Wealth History No change 17,219 15 0.0% 0.0% 87 0 0.0% Q2 2026 Aug 12, 2026
BALYASNY ASSET MANAGEMENT L.P. History No change 13,629 12 0.0% 0.0% 88 0 0.0% Q2 2026 Aug 14, 2026
Procyon Advisors, LLC History No change 13,671 12 0.0% 0.0% 89 0 0.0% Q2 2026 Jul 09, 2026
Flagship Private Wealth, LLC History No change 14,158 12 0.0% 0.0% 90 0 0.0% Q2 2026 Aug 04, 2026
RAYMOND JAMES FINANCIAL INC History No change 13,008 11 0.0% 0.0% 91 0 0.0% Q2 2026 Aug 14, 2026
Laurion Capital Management LP History No change 12,749 11 0.0% 0.0% 92 0 0.0% Q2 2026 Aug 13, 2026
Jefferies Financial Group Inc. History No change 11,350 10 0.0% 0.0% 93 0 0.0% Q2 2026 Aug 17, 2026
Integrated Wealth Concepts LLC History No change 11,333 10 0.0% 0.0% 94 0 0.0% Q2 2026 Sep 08, 2026
NorthCrest Asset Manangement, LLC History No change 11,218 10 0.0% 0.0% 95 0 0.0% Q2 2026 Jul 15, 2026
Callan Family Office, LLC History No change 12,119 10 0.0% 0.0% 96 0 0.0% Q2 2026 Aug 11, 2026
NewEdge Advisors, LLC History No change 11,168 9 0.0% 0.0% 97 0 0.0% Q2 2026 Aug 12, 2026
Krilogy Financial LLC History No change 10,635 9 0.0% 0.0% 98 0 0.0% Q2 2026 Jul 27, 2026
Schonfeld Strategic Advisors LLC History No change 10,439 9 0.0% 0.0% 99 0 0.0% Q2 2026 Aug 14, 2026
Cresset Asset Management, LLC History No change 10,207 9 0.0% 0.0% 100 0 0.0% Q2 2026 Aug 14, 2026
Abel Hall, LLC History No change 11,060 9 0.0% 0.0% 101 0 0.0% Q2 2026 Jul 24, 2026
KESTRA PRIVATE WEALTH SERVICES, LLC History No change 10,000 8 0.0% 0.0% 102 0 0.0% Q2 2026 Jul 28, 2026
Apollon Wealth Management, LLC History No change 10,056 8 0.0% 0.0% 103 0 0.0% Q2 2026 Jul 22, 2026
Verde Capital Management History No change 10,000 8 0.0% 0.0% 104 0 0.0% Q2 2026 Aug 11, 2026
Glen Eagle Advisors, LLC History No change 10,000 8 0.0% 0.0% 105 0 0.0% Q2 2026 Aug 14, 2026
RED REEF ADVISORS LLC History No change 10,000 8 0.01% 0.01% 106 0 0.0% Q2 2026 Jul 23, 2026
ROYAL BANK OF CANADA History No change 8,465 7 0.0% 0.0% 107 0 0.0% Q2 2026 Aug 14, 2026
Mirae Asset Global Investments Co., Ltd. History No change 8,847 7 0.0% 0.0% 108 0 0.0% Q2 2026 Jul 22, 2026
OSAIC HOLDINGS, INC. History No change 7,813 6 0.0% 0.0% 109 0 0.0% Q2 2026 Aug 14, 2026
Russell Investments Group, Ltd. History No change 7,551 6 0.0% 0.0% 110 0 0.0% Q2 2026 Aug 06, 2026
CITIGROUP INC History No change 4,659 4 0.0% 0.0% 111 0 0.0% Q2 2026 Aug 03, 2026
Allworth Financial LP History No change 4,814 4 0.0% 0.0% 112 0 0.0% Q2 2026 Aug 11, 2026
EverSource Wealth Advisors, LLC History No change 5,417 4 0.0% 0.0% 113 0 0.0% Q2 2026 Jul 24, 2026
FNY Investment Advisers, LLC History No change 4,000 3 0.0% 0.0% 114 0 0.0% Q2 2026 Jul 08, 2026
N.E.W. Advisory Services LLC History No change 3,854 3 0.0% 0.0% 115 0 0.0% Q2 2026 Aug 06, 2026
MTM Investment Management, LLC History No change 4,125 3 0.0% 0.0% 116 0 0.0% Q2 2026 Aug 03, 2026
PINNEY & SCOFIELD, INC. History No change 3,680 3 0.0% 0.0% 117 0 0.0% Q2 2026 Aug 07, 2026
GF FUND MANAGEMENT CO. LTD. History No change 4,185 3 0.0% 0.0% 118 0 0.0% Q2 2026 Aug 07, 2026
Essential Partners LLC History No change 3,094 2 0.0% 0.0% 119 0 0.0% Q2 2026 Aug 10, 2026
Bangor Savings Bank History Added to 1,000 1 0.0% — 121 +500 100.0% Q3 2026 Oct 06, 2026
ROTHSCHILD INVESTMENT LLC History No change 1,436 1 0.0% 0.0% 120 0 0.0% Q2 2026 Aug 06, 2026
IFP Advisors, Inc History No change 2,020 1 0.0% 0.0% 122 0 0.0% Q2 2026 Jul 20, 2026
Steward Partners Investment Advisory, LLC History No change 2,000 1 0.0% 0.0% 123 0 0.0% Q2 2026 Aug 13, 2026
Archer Investment Corp History No change 2,000 1 0.0% 0.0% 124 0 0.0% Q2 2026 Aug 03, 2026
Fortitude Family Office, LLC History No change 1,245 1 0.0% 0.0% 125 0 0.0% Q2 2026 Jul 20, 2026
GAMMA Investing LLC History Reduced 169 0 — 0.0% — -1,204 -87.69% Q3 2026 Oct 08, 2026
Farther Finance Advisors, LLC History Closed out 0 0 — — — -959 -100.0% Q3 2026 Oct 08, 2026
GILL CAPITAL PARTNERS, LLC History No change 200 0 — — — 0 0.0% Q2 2026 Aug 20, 2026
HARBOUR INVESTMENTS, INC. History No change 299 0 — — — 0 0.0% Q2 2026 Aug 12, 2026
Clearstead Advisors, LLC History No change 53 0 — — — 0 0.0% Q2 2026 Aug 06, 2026
Transamerica Financial Advisors, LLC History No change 132 0 — — — 0 0.0% Q2 2026 Aug 14, 2026
Larson Financial Group LLC History No change 300 0 — — — 0 0.0% Q2 2026 Aug 14, 2026
Optiver Holding B.V. History No change 30 0 — — — 0 0.0% Q2 2026 Aug 12, 2026
SJS Investment Consulting Inc. History No change 185 0 — — — 0 0.0% Q2 2026 Jul 22, 2026
Caitong International Asset Management Co., Ltd History No change 1 0 — — — 0 0.0% Q2 2026 Aug 04, 2026
True Wealth Design, LLC History No change 720 0 — — — 0 0.0% Q2 2026 Jul 16, 2026
TD Waterhouse Canada Inc. History No change 300 0 — — — 0 0.0% Q2 2026 Jul 27, 2026
JPL Wealth Management, LLC History No change 26 0 — — — 0 0.0% Q2 2026 Aug 13, 2026
Federation des caisses Desjardins du Quebec History No change 50 0 — — — 0 0.0% Q2 2026 Aug 13, 2026
Rialto Wealth Management, LLC History No change 562 0 — — — 0 0.0% Q2 2026 Aug 11, 2026
Medallion Wealth Advisors, LLC History No change 242 0 — — — 0 0.0% Q2 2026 Aug 14, 2026