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, Q1 2023
Institutional positions in Quantum-Si Inc as of Mar 31, 2023. 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
- 100
- −5 vs. Q4 2022
- Shares held
- 43.5M
- −6.21M (−12.5%) vs. Q4 2022
- Total value
- $76.5M
- −$14.4M (−15.9%) vs. Q4 2022
- New holders
- 12
- 27 more added
- Sold out
- 17
- 33 more reduced
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Quantum-Si Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hantz Financial Services, Inc. | 30 | $0 | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 17 | $0 | 0.00% | −333−95.1% | Reduced |
| Advisory Services Network, LLC | 250 | $440 | 0.00% | 00.0% | Unchanged |
| Eagle Bay Advisors LLC | 277 | $488 | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 335 | $590 | 0.00% | +335 | New |
| Ellevest, Inc. | 391 | $688 | 0.00% | +391 | New |
| GWM Advisors LLC | 492 | $866 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 500 | $880 | 0.00% | +500 | New |
| Daiwa Securities Group Inc. | 343 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 407 | $1.00K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 600 | $1.06K | 0.00% | 00.0% | Unchanged |
| Johnson Midwest Financial, LLC | 770 | $1.35K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 800 | $1.41K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 1,008 | $1.77K | 0.00% | −126−11.1% | Reduced |
| Citigroup Inc | 1,364 | $2.40K | 0.00% | −2,763−66.9% | Reduced |
| Group One Trading, L.P. | 1,554 | $2.73K | 0.00% | +1,554 | New |
| China Universal Asset Management Co., Ltd. | 1,624 | $2.86K | 0.00% | +406+33.3% | Added |
| Advisor Group Holdings, Inc. | 3,170 | $5.58K | 0.00% | −400−11.2% | Reduced |
| Simplex Trading, LLC | 5,279 | $9.00K | 0.00% | −13,568−72.0% | Reduced |
| Royal Bank of Canada | 5,110 | $9.00K | 0.00% | −5,204−50.5% | Reduced |
| Metropolitan Life Insurance Co | 5,570 | $9.80K | 0.00% | −652−10.5% | Reduced |
| Ameritas Investment Partners, Inc. | 6,850 | $12.1K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 7,500 | $13.2K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 9,294 | $16.3K | 0.00% | −22,523−70.8% | Reduced |
| Amalgamated Bank | 9,450 | $17.0K | 0.00% | −2,118−18.3% | Reduced |
| Victory Capital Management Inc | 10,611 | $18.7K | 0.00% | +174+1.7% | Added |
| FSA Wealth Management LLC | 11,150 | $19.6K | 0.01% | 00.0% | Unchanged |
| Asset Management Corp | 11,786 | $20.7K | 0.02% | +11,786 | New |
| Mutual Advisors, LLC | 13,174 | $23.2K | 0.00% | −135−1.0% | Reduced |
| Procyon Private Wealth Partners, LLC | 13,671 | $24.1K | 0.00% | 00.0% | Unchanged |
| Flagship Private Wealth, LLC | 14,158 | $24.9K | 0.02% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 14,126 | $25.0K | 0.00% | +14,126 | New |
| ProShare Advisors LLC | 19,062 | $33.5K | 0.00% | −2,606−12.0% | Reduced |
| Prelude Capital Management, LLC | 19,347 | $34.1K | 0.00% | +7,213+59.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 20,576 | $36.2K | 0.00% | +20,576 | New |
| STRS Ohio | 21,300 | $37.0K | 0.00% | 00.0% | Unchanged |
| Round Rock Advisors, LLC | 21,885 | $38.5K | 0.01% | −3,000−12.1% | Reduced |
| Wealth Management Associates, Inc. | 22,000 | $38.7K | 0.02% | +6,200+39.2% | Added |
| Allspring Global Investments Holdings, LLC | 23,567 | $41.5K | 0.00% | −1,184−4.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 23,999 | $42.2K | 0.00% | +23,999 | New |
| Guidance Point Advisors, LLC | 25,742 | $45.3K | 0.02% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 26,013 | $45.8K | 0.00% | −39,200−60.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 26,917 | $47.0K | 0.00% | −100−0.4% | Reduced |
| Point72 Asset Management, L.P. | 30,467 | $53.6K | 0.00% | +30,467 | New |
| Citadel Advisors LLC | 30,633 | $53.9K | 0.00% | −114,151−78.8% | Reduced |
| Wells Fargo & Company | 30,753 | $54.1K | 0.00% | +17,413+130.5% | Added |
| Cubist Systematic Strategies, LLC | 30,900 | $54.4K | 0.00% | −141,876−82.1% | Reduced |
| Alliancebernstein L.P. | 31,500 | $55.4K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 31,548 | $55.5K | 0.00% | +2,751+9.6% | Added |
| Tower Research Capital LLC (TRC) | 33,033 | $58.0K | 0.00% | +15,646+90.0% | Added |
| California State Teachers Retirement System | 33,959 | $59.8K | 0.00% | −75,080−68.9% | Reduced |
| Voya Investment Management LLC | 34,715 | $61.1K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 36,302 | $63.9K | 0.00% | 00.0% | Unchanged |
| Red Wave Investments LLC | 37,000 | $65.1K | 0.03% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 38,129 | $67.1K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 38,452 | $67.7K | 0.00% | −75,062−66.1% | Reduced |
| Millennium Management LLC | 39,288 | $69.0K | 0.00% | +28,181+253.7% | Added |
| UBS Group AG | 39,631 | $69.8K | 0.00% | +2,463+6.6% | Added |
| Two Sigma Investments, LP | 43,028 | $75.7K | 0.00% | −3,172−6.9% | Reduced |
| American International Group, Inc. | 44,084 | $77.6K | 0.00% | +879+2.0% | Added |
| State of Wyoming | 45,863 | $80.7K | 0.03% | +33,071+258.5% | Added |
| Price T Rowe Associates Inc | 46,351 | $82.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 51,312 | $90.0K | 0.00% | +17,409+51.3% | Added |
| MetLife Investment Management | 53,683 | $94.5K | 0.00% | +18,127+51.0% | Added |
| Westchester Capital Management, LLC | 64,964 | $114.3K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 67,615 | $119.0K | 0.00% | +29,922+79.4% | Added |
| JPMorgan Chase & Co | 73,897 | $130.0K | 0.00% | +18,244+32.8% | Added |
| Barclays PLC | 76,135 | $134.0K | 0.00% | +21,850+40.3% | Added |
| Susquehanna International Group, LLP | 99,049 | $174.3K | 0.00% | −19,780−16.6% | Reduced |
| Renaissance Technologies LLC | 112,856 | $199.0K | 0.00% | +75,300+200.5% | Added |
| General American Investors Co Inc | 119,250 | $209.9K | 0.02% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 125,000 | $220.0K | 0.00% | +20,000+19.0% | Added |
| Bank of America Corp | 125,319 | $220.6K | 0.00% | +13,418+12.0% | Added |
| Jane Street Group, LLC | 131,037 | $230.6K | 0.00% | +131,037 | New |
| Rhumbline Advisers | 136,422 | $240.0K | 0.00% | +1,808+1.3% | Added |
| Gsa Capital Partners LLP | 167,948 | $296.0K | 0.03% | +151,235+904.9% | Added |
| Invesco Ltd. | 178,938 | $314.9K | 0.00% | +137,569+332.5% | Added |
| Neumann Advisory Hong Kong Ltd | 192,857 | $339.0K | 0.15% | −234,774−54.9% | Reduced |
| Clearline Capital LP | 211,900 | $372.9K | 0.06% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 238,228 | $419.3K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 263,534 | $463.8K | 0.00% | +118,774+82.0% | Added |
| Bank of New York Mellon Corp | 290,930 | $512.0K | 0.00% | −4,724−1.6% | Reduced |
| Knollwood Investment Advisory, LLC | 300,000 | $528.0K | 0.18% | +300,000 | New |
| Bridgeway Capital Management, LLC | 306,700 | $539.8K | 0.01% | +306,700 | New |
| Nuveen Asset Management, LLC | 315,598 | $555.0K | 0.00% | −4,705−1.5% | Reduced |
| Goldman Sachs Group Inc | 402,358 | $708.1K | 0.00% | −616−0.2% | Reduced |
| Guggenheim Capital LLC | 617,074 | $1.09M | 0.01% | +4,584+0.7% | Added |
| Security Benefit Life Insurance Co | 715,479 | $1.26M | 0.15% | −3,443,947−82.8% | Reduced |
| Northern Trust Corp | 742,477 | $1.31M | 0.00% | −28,530−3.7% | Reduced |
| Fosun International Ltd | 743,935 | $1.31M | 0.12% | 00.0% | Unchanged |
| Foresite Capital Management V, LLC | 924,404 | $1.63M | 1.20% | +250.0% | Added |
| Nikko Asset Management Americas, Inc. | 1,124,702 | $1.91M | 0.02% | −61,418−5.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,124,702 | $1.98M | 0.00% | −61,418−5.2% | Reduced |
| State Street Corp | 1,660,739 | $2.92M | 0.00% | −106,990−6.1% | Reduced |
| Geode Capital Management, LLC | 1,728,639 | $3.04M | 0.00% | +33,695+2.0% | Added |
| Foresite Capital Management IV, LLC | 1,771,249 | $3.12M | 1.62% | 00.0% | Unchanged |
| Glenview Capital Management, LLC | 4,215,990 | $7.42M | 0.18% | −33,966−0.8% | Reduced |
| Vanguard Group Inc | 5,123,558 | $9.02M | 0.00% | +176,380+3.6% | Added |
| BlackRock Inc. | 6,083,825 | $10.7M | 0.00% | −377,684−5.8% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 11,698,791 | $20.6M | 0.14% | −157,393−1.3% | Reduced |