Quantum-SiQSI
13F holders, Q2 2024 (June 30)99holders +4
14new positions
10sold out
4famous investors
$1.05avg. 13F price*
At the end of Q2 2024, 99 institutions reported holding Quantum-Si Inc. (QSI) in their 13F filings, up 4 from Q1 2024. 14 opened new positions and 10 sold out. The largest holders were ARK Investment Management ($13.0M), Sumitomo Mitsui Trust Group, Inc. ($8.3M) and Amova Asset Management Americas, Inc. ($8.1M). 4 famous investors held it, including Cathie Wood (0.1% of ARK Investment Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Quantum-Si Inc.
- CUSIP
- 74765K105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $521K |
| Exits | 10 | $394K |
All 13F filers, Q1 2024 → Q2 2024: 2,498,911 shares bought and 2,009,550 shares sold, net +489,361 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 99 holders
| ARK Investment Management | 0.12% | Reduce -2.8% | 12,409,929 | $13.0M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Reduce -2.4% | 7,863,161 | $8.3M |
| Amova Asset Management Americas, Inc. | 0.09% | Reduce -2.4% | 7,863,161 | $8.1M |
| BlackRock Inc. | 0.00% | Reduce -3.2% | 7,000,884 | $7.4M |
| Vanguard Group Inc. | 0.00% | Reduce -6.7% | 4,948,362 | $5.2M |
| State Street Corp. | 0.00% | Add +9.8% | 2,371,351 | $2.5M |
| Geode Capital Management, LLC | 0.00% | Add +1.8% | 2,171,830 | $2.3M |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +86.1% | 942,762 | $990K |
| Northern Trust Corp. | 0.00% | Reduce -4.9% | 782,190 | $821K |
| Fosun International Ltd | 0.26% | No change | 743,935 | $781K |
| Nuveen Asset Management, LLC | 0.00% | Add +76.2% | 565,080 | $593K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 406,700 | $427K |
| Millennium Management | 0.00% | Add +97.5% | 374,727 | $393K |
| Bank of New York Mellon Corp | 0.00% | Add +3.5% | 322,460 | $339K |
| Jane Street Group, LLC | 0.00% | Add +101.2% | 304,056 | $319K |
| Knollwood Investment Advisory, LLC | 0.04% | No change | 300,000 | $315K |
| General American Investors Co. Inc. | 0.02% | No change | 294,350 | $309K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.4% | 260,442 | $273K |
| Guggenheim Capital LLC | 0.00% | Reduce -8.8% | 253,274 | $266K |
| Citadel Advisors | 0.00% | Add +143.3% | 226,300 | $238K |
| Goldman Sachs Group Inc. | 0.00% | Add +101.5% | 189,170 | $199K |
| Gsa Capital Partners LLP | 0.01% | New | 182,277 | $191K |
| Morgan Stanley | 0.00% | Reduce -25.1% | 170,535 | $179K |
| Rhumbline Advisers | 0.00% | Add +0.3% | 145,199 | $152K |
| Shay Capital LLC | 0.04% | Add +438.8% | 138,260 | $145K |
| Susquehanna International Group, LLP | 0.00% | Add +431.3% | 135,088 | $142K |
| Green Alpha Advisors, LLC | 0.11% | Reduce -4.0% | 129,259 | $136K |
| Ameriprise Financial Inc. | 0.00% | Add +188.4% | 125,757 | $132K |
| Verition Fund Management LLC | 0.00% | New | 121,800 | $128K |
| Pathstone Holdings, LLC | 0.00% | Reduce -0.2% | 115,256 | $121K |
| Virtu Financial LLC | 0.01% | Add +102.7% | 101,301 | $106K |
| Two Sigma Investments, LP | 0.00% | Reduce -32.7% | 89,261 | $94K |
| Alliancebernstein L.P. | 0.00% | Add +37.8% | 76,080 | $80K |
| Wells Fargo & Company | 0.00% | Add +29.5% | 68,703 | $72K |
| UBS Group AG | 0.00% | Reduce -34.8% | 67,227 | $71K |
| Barclays PLC | 0.00% | Reduce -37.5% | 63,388 | $67K |
| Bank of America Corp. | 0.00% | Add +9.9% | 62,410 | $66K |
| Public Employees Retirement System of Ohio | 0.00% | Add +338.6% | 60,526 | $64K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 59,727 | $63K |
| Corebridge Financial, Inc. | 0.00% | — | 53,878 | $57K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | — | 52,064 | $55K |
| JPMorgan Chase & Co. | 0.00% | Add +3.3% | 43,659 | $46K |
| Wealth Management Associates, Inc. | 0.02% | No change | 38,050 | $40K |
| Red Wave Investments LLC | 0.01% | No change | 37,000 | $39K |
| Invesco Ltd. | 0.00% | Reduce -12.2% | 35,186 | $37K |
| Neumann Advisory Hong Kong Ltd | 0.02% | Reduce -79.7% | 33,803 | $35K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | No change | 33,355 | $35K |
| Sei Investments Co. | 0.00% | Reduce -4.6% | 33,103 | $35K |
| Voya Investment Management LLC | 0.00% | No change | 32,867 | $35K |
| Deutsche Bank AG | 0.00% | Reduce -20.5% | 32,560 | $34K |
| Raymond James Financial Services Advisors, Inc. | 0.00% | Add +1.4% | 30,930 | $32K |
| Two Sigma Advisers, LP | 0.00% | No change | 30,700 | $32K |
| Arlington Trust Co LLC | 0.01% | New | 27,500 | $29K |
| ProShare Advisors LLC | 0.00% | Add +49.1% | 27,256 | $29K |
| D. E. Shaw & Co. | 0.00% | New | 26,500 | $28K |
| New York State Common Retirement Fund | 0.00% | Add +0.4% | 26,084 | $27K |
| Guidance Point Advisors, LLC | 0.01% | No change | 25,742 | $27K |
| Dynamic Technology Lab Private Ltd | 0.00% | New | 26,060 | $27K |
| XTX Topco Ltd | 0.00% | New | 24,161 | $25K |
| Citigroup Inc. | 0.00% | Add +21.0% | 23,392 | $25K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -21.1% | 22,410 | $24K |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.00% | New | 21,556 | $23K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +127087.5% | 20,350 | $21K |
| STRS Ohio | 0.00% | No change | 20,000 | $21K |
| Bayesian Capital Management, LP | 0.00% | New | 19,096 | $20K |
| DLK Investment Management, LLC | 0.01% | Add +11.8% | 19,000 | $20K |
| Principal Financial Group Inc. | 0.00% | Reduce -59.9% | 16,462 | $17K |
| Wolverine Trading, LLC | 0.00% | New | 14,705 | $15K |
| Flagship Private Wealth, LLC | 0.01% | No change | 14,158 | $15K |
| Procyon Advisors, LLC | 0.00% | No change | 13,671 | $14K |
| Victory Capital Management Inc. | 0.00% | Reduce -5.0% | 12,474 | $13K |
| Stratos Wealth Advisors, LLC | 0.00% | No change | 11,810 | $12K |
| Walleye Capital LLC | 0.00% | New | 11,698 | $12K |
| HSBC Holdings PLC | 0.00% | Reduce -26.6% | 11,932 | $12K |
| Leonteq Securities AG | 0.00% | No change | 11,000 | $12K |
| Townsquare Capital LLC | 0.00% | New | 10,970 | $12K |
| NewEdge Advisors, LLC | 0.00% | Add +1.8% | 10,824 | $11K |
| Osaic Holdings, Inc. | 0.00% | Reduce -8.5% | 10,752 | $11K |
| Freedom Investment Management, Inc. | 0.00% | New | 10,422 | $11K |
| TriaGen Wealth Management LLC | 0.00% | No change | 10,000 | $11K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 9,906 | $10K |
| Royal Bank of Canada | 0.00% | Add +307.2% | 9,463 | $10K |
| Legal & General Group Plc | 0.00% | No change | 9,294 | $10K |
| California State Teachers Retirement System | 0.00% | Reduce -29.1% | 7,257 | $8K |
| Archer Investment Corp | 0.00% | Add +143.0% | 3,399 | $4K |
| Russell Investments Group, Ltd. | 0.00% | Add +2161.5% | 3,234 | $3K |
| Amalgamated Bank | 0.00% | No change | 3,170 | $3K |
| Steward Partners Investment Advisory, LLC | 0.00% | Reduce -20.0% | 2,000 | $2K |
| Avior Wealth Management, LLC | 0.00% | Reduce -83.1% | 1,357 | $1K |
| FMR LLC | 0.00% | Reduce -78.1% | 939 | $986 |
| Allworth Financial LP | 0.00% | No change | 836 | $862 |
| Principal Securities, Inc. | 0.00% | Reduce -16.2% | 584 | $613 |
| Eagle Bay Advisors LLC | 0.00% | No change | 277 | $291 |
| TD Waterhouse Canada Inc. | 0.00% | No change | 300 | $280 |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -23.3% | 125 | $131 |
| Planning Capital Management Corp | 0.00% | New | 115 | $121 |
| Rothschild Investment LLC | 0.00% | New | 75 | $79 |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 50 | $53 |
| Cwm, LLC | 0.00% | Add +1766.7% | 168 | $0 |
"% of holder's portfolio" is QSI's weight in each manager's 13F, not the share of Quantum-Si Inc. the manager owns.