Quantum-Si Inc
QSI- Exchange
- Nasdaq
- Industry
- Measuring & Controlling Devices, NEC
- SEC CIK
- 0001816431
In the last 90 days, Quantum-Si Inc insiders filed 0 open-market purchases and 3 sales; 141 institutions reported holding it in 13F filings for Q2 2026, worth $46.8M in total; ARK Invest is the only superinvestor holding it.
13F holders, Q4 2022
Institutional positions in Quantum-Si Inc as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 105
- +5 vs. Q3 2022
- Shares held
- 49.7M
- +2.73M (+5.8%) vs. Q3 2022
- Total value
- $90.9M
- −$38.2M (−29.6%) vs. Q3 2022
- New holders
- 17
- 35 more added
- Sold out
- 12
- 22 more reduced
2 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting QSI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 141 | $46.8M |
| Q1 2026 | 157 | $49.0M |
| Q4 2025 | 135 | $74.3M |
| Q3 2025 | 125 | $91.3M |
| Q2 2025 | 135 | $126.2M |
| Q1 2025 | 137 | $69.3M |
| Q4 2024 | 121 | $144.8M |
| Q3 2024 | 107 | $45.9M |
| Q2 2024 | 99 | $56.1M |
| Q1 2024 | 95 | $104.1M |
| Q4 2023 | 91 | $113.6M |
| Q3 2023 | 96 | $90.5M |
| Q2 2023 | 91 | $78.5M |
| Q1 2023 | 100 | $76.5M |
| Q4 2022 | 105 | $90.9M |
| Q3 2022 | 102 | $130.8M |
| Q2 2022 | 102 | $139.6M |
| Q1 2022 | 92 | $215.0M |
| Q4 2021 | 93 | $370.6M |
| Q3 2021 | 73 | $372.4M |
| Q2 2021 | 72 | $534.9M |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2022
Shares, value and share of portfolio for each institution holding Quantum-Si Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hantz Financial Services, Inc. | 30 | $0 | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 350 | $0 | 0.00% | +50+16.7% | Added |
| Massmutual Trust Co FSB | 146 | $0 | 0.00% | +146 | New |
| GWM Advisors LLC | 492 | $1 | 0.00% | +492 | New |
| Advisory Services Network, LLC | 250 | $458 | 0.00% | +250 | New |
| Eagle Bay Advisors LLC | 277 | $507 | 0.00% | 00.0% | Unchanged |
| Retirement Financial Solutions, LLC | 492 | $900 | 0.00% | +492 | New |
| Johnson Midwest Financial, LLC | 770 | $1.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 343 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 407 | $1.00K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 189 | $1.00K | 0.00% | +189 | New |
| First Manhattan Co | 600 | $1.10K | 0.00% | 00.0% | Unchanged |
| Point72 Middle East FZE | 681 | $1.25K | 0.00% | +681 | New |
| US Bancorp | 800 | $1.46K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 1,134 | $2.08K | 0.00% | −3,520−75.6% | Reduced |
| Wolff Wiese Magana LLC | 1,200 | $2.20K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 1,218 | $2.23K | 0.00% | +99+8.8% | Added |
| Advisor Group Holdings, Inc. | 3,570 | $6.65K | 0.00% | +600+20.2% | Added |
| Citigroup Inc | 4,127 | $7.55K | 0.00% | −634−13.3% | Reduced |
| Metropolitan Life Insurance Co | 6,222 | $11.4K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 7,500 | $13.7K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,850 | $15.4K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 10,314 | $19.0K | 0.00% | +9,202+827.5% | Added |
| State of Wisconsin Investment Board | 10,434 | $19.1K | 0.00% | −5,107−32.9% | Reduced |
| Victory Capital Management Inc | 10,437 | $19.1K | 0.00% | −40.0% | Reduced |
| Millennium Management LLC | 11,107 | $20.0K | 0.00% | +11,107 | New |
| FSA Wealth Management LLC | 11,150 | $20.4K | 0.01% | 00.0% | Unchanged |
| Amalgamated Bank | 11,568 | $21.0K | 0.00% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 12,134 | $22.2K | 0.00% | +12,134 | New |
| State of Wyoming | 12,792 | $23.4K | 0.01% | +12,792 | New |
| Mutual Advisors, LLC | 13,309 | $24.4K | 0.00% | −8,130−37.9% | Reduced |
| Wells Fargo & Company | 13,340 | $24.4K | 0.00% | −5,208−28.1% | Reduced |
| Procyon Private Wealth Partners, LLC | 13,671 | $25.0K | 0.00% | 00.0% | Unchanged |
| Flagship Private Wealth, LLC | 14,158 | $25.9K | 0.02% | 00.0% | Unchanged |
| Wealth Management Associates, Inc. | 15,800 | $28.9K | 0.02% | +15,800 | New |
| Gsa Capital Partners LLP | 16,713 | $31.0K | 0.00% | −28,029−62.6% | Reduced |
| Tower Research Capital LLC (TRC) | 17,387 | $32.0K | 0.00% | +6,075+53.7% | Added |
| Simplex Trading, LLC | 18,847 | $34.0K | 0.00% | +18,847 | New |
| STRS Ohio | 21,300 | $38.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 21,668 | $39.7K | 0.00% | +1,555+7.7% | Added |
| Janus Henderson Group PLC | 22,044 | $40.0K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 23,590 | $43.2K | 0.00% | +949+4.2% | Added |
| Aquatic Capital Management LLC | 24,800 | $45.0K | 0.00% | +24,800 | New |
| Allspring Global Investments Holdings, LLC | 24,751 | $45.3K | 0.00% | +17,736+252.8% | Added |
| Round Rock Advisors, LLC | 24,885 | $45.5K | 0.02% | +850+3.5% | Added |
| Guidance Point Advisors, LLC | 25,742 | $47.1K | 0.02% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 27,017 | $49.0K | 0.00% | −1,056−3.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 27,756 | $50.8K | 0.00% | +3,339+13.7% | Added |
| Principal Financial Group Inc | 28,797 | $52.7K | 0.00% | +5,713+24.7% | Added |
| Alliancebernstein L.P. | 31,500 | $57.6K | 0.00% | +11,800+59.9% | Added |
| Legal & General Group Plc | 31,817 | $58.2K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 33,903 | $62.0K | 0.00% | +2,699+8.6% | Added |
| Voya Investment Management LLC | 34,715 | $63.5K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 35,556 | $65.1K | 0.00% | −18,051−33.7% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 36,302 | $66.4K | 0.00% | −15,041−29.3% | Reduced |
| Red Wave Investments LLC | 37,000 | $67.7K | 0.03% | 00.0% | Unchanged |
| UBS Group AG | 37,168 | $68.0K | 0.00% | +29,455+381.9% | Added |
| Deutsche Bank AG | 37,693 | $69.0K | 0.00% | +609+1.6% | Added |
| Renaissance Technologies LLC | 37,556 | $69.0K | 0.00% | +37,556 | New |
| Manufacturers Life Insurance Company, The | 38,129 | $69.8K | 0.00% | +2,364+6.6% | Added |
| Invesco Ltd. | 41,369 | $75.7K | 0.00% | −147−0.4% | Reduced |
| American International Group, Inc. | 43,205 | $79.1K | 0.00% | −158−0.4% | Reduced |
| Two Sigma Investments, LP | 46,200 | $84.5K | 0.00% | +46,200 | New |
| Price T Rowe Associates Inc | 46,351 | $85.0K | 0.00% | +2,038+4.6% | Added |
| Barclays PLC | 54,285 | $99.3K | 0.00% | +18,954+53.6% | Added |
| JPMorgan Chase & Co | 55,653 | $102.0K | 0.00% | −2,648−4.5% | Reduced |
| Credit Suisse AG | 56,221 | $102.9K | 0.00% | +1,969+3.6% | Added |
| Westchester Capital Management, LLC | 64,964 | $118.9K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 65,213 | $119.3K | 0.00% | +130.0% | Added |
| UBS Asset Management Americas Inc | 77,937 | $142.6K | 0.00% | +20,537+35.8% | Added |
| Squarepoint Ops LLC | 96,442 | $176.5K | 0.00% | +96,442 | New |
| D.A. Davidson & Co. | 105,000 | $192.2K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 109,039 | $199.5K | 0.00% | +1,295+1.2% | Added |
| Bank of America Corp | 111,901 | $204.8K | 0.00% | +98,862+758.2% | Added |
| D. E. Shaw & Co., Inc. | 113,514 | $207.7K | 0.00% | −5,859−4.9% | Reduced |
| Susquehanna International Group, LLP | 118,829 | $217.5K | 0.00% | +38,068+47.1% | Added |
| General American Investors Co Inc | 119,250 | $218.2K | 0.02% | 00.0% | Unchanged |
| Rhumbline Advisers | 134,614 | $246.0K | 0.00% | +2,018+1.5% | Added |
| Morgan Stanley | 144,760 | $264.9K | 0.00% | +37,004+34.3% | Added |
| Citadel Advisors LLC | 144,784 | $265.0K | 0.00% | −21,346−12.8% | Reduced |
| Cubist Systematic Strategies, LLC | 172,776 | $316.2K | 0.00% | +74,471+75.8% | Added |
| Swiss National Bank | 201,900 | $369.5K | 0.00% | +7,400+3.8% | Added |
| Clearline Capital LP | 211,900 | $387.8K | 0.07% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 238,228 | $436.0K | 0.00% | +5,242+2.2% | Added |
| Bank of New York Mellon Corp | 295,654 | $541.0K | 0.00% | +19,688+7.1% | Added |
| Nuveen Asset Management, LLC | 320,303 | $586.0K | 0.00% | −45,098−12.3% | Reduced |
| Goldman Sachs Group Inc | 402,974 | $737.4K | 0.00% | +6,869+1.7% | Added |
| Neumann Advisory Hong Kong Ltd | 427,631 | $783.0K | 0.48% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 612,490 | $1.12M | 0.01% | −66,227−9.8% | Reduced |
| Rubric Capital Management LP | 672,385 | $1.23M | 0.05% | 00.0% | Unchanged |
| Fosun International Ltd | 743,935 | $1.36M | 0.12% | 00.0% | Unchanged |
| Northern Trust Corp | 771,007 | $1.41M | 0.00% | −1,572−0.2% | Reduced |
| Foresite Capital Management V, LLC | 924,379 | $1.69M | 1.31% | 00.0% | Unchanged |
| Nikko Asset Management Americas, Inc. | 1,186,120 | $2.15M | 0.03% | −82,651−6.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,186,120 | $2.17M | 0.00% | −82,651−6.5% | Reduced |
| Geode Capital Management, LLC | 1,694,944 | $3.10M | 0.00% | +81,484+5.1% | Added |
| Nomura Holdings Inc | 1,751,544 | $3.17M | 0.03% | +1,751,544 | New |
| State Street Corp | 1,767,729 | $3.23M | 0.00% | +44,392+2.6% | Added |
| Foresite Capital Management IV, LLC | 1,771,249 | $3.24M | 1.38% | 00.0% | Unchanged |
| Security Benefit Life Insurance Co | 4,159,426 | $7.61M | 0.97% | +4,159,426 | New |