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, Q3 2022
Institutional positions in Quantum-Si Inc as of Sep 30, 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
- 102
- 0 vs. Q2 2022
- Shares held
- 47.6M
- −1.05M (−2.2%) vs. Q2 2022
- Total value
- $130.8M
- −$8.79M (−6.3%) vs. Q2 2022
- New holders
- 10
- 28 more added
- Sold out
- 10
- 27 more reduced
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Quantum-Si Inc; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ARK Investment Management LLCSuperinvestorARK Invest | 13,237,790 | $36.4M | 0.25% | −631,294−4.6% | Reduced |
| BlackRock Inc. | 6,354,740 | $17.5M | 0.00% | +134,546+2.2% | Added |
| Glenview Capital Management, LLC | 5,096,972 | $14.0M | 0.36% | −153,028−2.9% | Reduced |
| Vanguard Group Inc | 4,920,922 | $13.5M | 0.00% | +308,343+6.7% | Added |
| Foresite Capital Management IV, LLC | 1,771,249 | $4.87M | 1.57% | 00.0% | Unchanged |
| State Street Corp | 1,723,337 | $4.74M | 0.00% | +237,051+15.9% | Added |
| Geode Capital Management, LLC | 1,613,460 | $4.44M | 0.00% | +27,576+1.7% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,400,000 | $3.85M | 0.08% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,268,771 | $3.49M | 0.00% | −817−0.1% | Reduced |
| Nikko Asset Management Americas, Inc. | 1,268,771 | $3.43M | 0.04% | −817−0.1% | Reduced |
| Foresite Capital Management V, LLC | 924,379 | $2.54M | 1.95% | 00.0% | Unchanged |
| Northern Trust Corp | 772,579 | $2.12M | 0.00% | −2,039−0.3% | Reduced |
| Fosun International Ltd | 743,935 | $2.05M | 0.37% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 678,717 | $1.87M | 0.02% | −17,845−2.6% | Reduced |
| Rubric Capital Management LP | 672,385 | $1.85M | 0.09% | 00.0% | Unchanged |
| Foresite Capital Opportunity Management V, LLC | 633,626 | $1.74M | 5.23% | 00.0% | Unchanged |
| Neumann Advisory Hong Kong Ltd | 427,631 | $1.18M | 0.41% | −35,102−7.6% | Reduced |
| Goldman Sachs Group Inc | 396,105 | $1.09M | 0.00% | −10,779−2.6% | Reduced |
| Nuveen Asset Management, LLC | 365,401 | $1.00M | 0.00% | +5,045+1.4% | Added |
| Bank of New York Mellon Corp | 275,966 | $759.0K | 0.00% | +29,111+11.8% | Added |
| Charles Schwab Investment Management Inc | 232,986 | $641.0K | 0.00% | +277+0.1% | Added |
| Clearline Capital LP | 211,900 | $583.0K | 0.08% | 00.0% | Unchanged |
| Swiss National Bank | 194,500 | $535.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 166,130 | $457.0K | 0.00% | −124,015−42.7% | Reduced |
| Rhumbline Advisers | 132,596 | $365.0K | 0.00% | +7,503+6.0% | Added |
| D. E. Shaw & Co., Inc. | 119,373 | $328.0K | 0.00% | −32,206−21.2% | Reduced |
| General American Investors Co Inc | 119,250 | $328.0K | 0.03% | +20,939+21.3% | Added |
| Morgan Stanley | 107,756 | $297.0K | 0.00% | +12,354+12.9% | Added |
| California State Teachers Retirement System | 107,744 | $296.0K | 0.00% | −805−0.7% | Reduced |
| D.A. Davidson & Co. | 105,000 | $289.0K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 98,305 | $270.0K | 0.00% | +13,850+16.4% | Added |
| Susquehanna International Group, LLP | 80,761 | $222.0K | 0.00% | −210,001−72.2% | Reduced |
| Westchester Capital Management, LLC | 64,964 | $179.0K | 0.01% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 65,200 | $179.0K | 0.00% | +800+1.2% | Added |
| JPMorgan Chase & Co | 58,301 | $160.0K | 0.00% | +3,854+7.1% | Added |
| UBS Asset Management Americas Inc | 57,400 | $157.8K | 0.00% | −25,100−30.4% | Reduced |
| Credit Suisse AG | 54,252 | $149.0K | 0.00% | +482+0.9% | Added |
| MetLife Investment Management | 53,607 | $147.4K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 51,343 | $141.0K | 0.00% | −15,487−23.2% | Reduced |
| Intrepid Family Office LLC | 50,000 | $138.0K | 0.42% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 44,742 | $123.0K | 0.02% | +44,742 | New |
| Price T Rowe Associates Inc | 44,313 | $122.0K | 0.00% | +5,599+14.5% | Added |
| American International Group, Inc. | 43,363 | $119.0K | 0.00% | +613+1.4% | Added |
| Invesco Ltd. | 41,516 | $114.0K | 0.00% | −252−0.6% | Reduced |
| Deutsche Bank AG | 37,084 | $102.0K | 0.00% | −6,101−14.1% | Reduced |
| Red Wave Investments LLC | 37,000 | $102.0K | 0.04% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 35,765 | $98.4K | 0.00% | −1,026−2.8% | Reduced |
| Barclays PLC | 35,331 | $98.0K | 0.00% | −711−2.0% | Reduced |
| Voya Investment Management LLC | 34,715 | $95.5K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 31,817 | $87.0K | 0.00% | −23,392−42.4% | Reduced |
| SG Americas Securities, LLC | 31,204 | $86.0K | 0.00% | −5,561−15.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 28,073 | $77.0K | 0.00% | +2,856+11.3% | Added |
| Guidance Point Advisors, LLC | 25,742 | $70.0K | 0.03% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,417 | $67.0K | 0.00% | 00.0% | Unchanged |
| Round Rock Advisors, LLC | 24,035 | $66.0K | 0.03% | 00.0% | Unchanged |
| Principal Financial Group Inc | 23,084 | $63.0K | 0.00% | +5,158+28.8% | Added |
| Arizona State Retirement System | 22,641 | $62.0K | 0.00% | +355+1.6% | Added |
| Janus Henderson Group PLC | 22,044 | $60.0K | 0.00% | −162−0.7% | Reduced |
| Mutual Advisors, LLC | 21,439 | $59.0K | 0.00% | +931+4.5% | Added |
| STRS Ohio | 21,300 | $58.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 20,113 | $56.0K | 0.00% | +582+3.0% | Added |
| Alliancebernstein L.P. | 19,700 | $54.0K | 0.00% | +9,200+87.6% | Added |
| Wells Fargo & Company | 18,548 | $51.0K | 0.00% | +1,099+6.3% | Added |
| State of Wisconsin Investment Board | 15,541 | $43.0K | 0.00% | −4,295−21.7% | Reduced |
| Flagship Private Wealth, LLC | 14,158 | $39.0K | 0.04% | 00.0% | Unchanged |
| Procyon Private Wealth Partners, LLC | 13,671 | $38.0K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 13,039 | $35.0K | 0.00% | −173,490−93.0% | Reduced |
| Abacus Planning Group, Inc. | 12,510 | $34.0K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 12,509 | $34.0K | 0.00% | +12,509 | New |
| Two Sigma Securities, LLC | 11,983 | $33.0K | 0.00% | +11,983 | New |
| Tower Research Capital LLC (TRC) | 11,312 | $32.0K | 0.00% | −3,284−22.5% | Reduced |
| Teacher Retirement System of Texas | 11,801 | $32.0K | 0.00% | −726−5.8% | Reduced |
| Amalgamated Bank | 11,568 | $32.0K | 0.00% | 00.0% | Unchanged |
| FSA Wealth Management LLC | 11,150 | $31.0K | 0.02% | +1,150+11.5% | Added |
| Jane Street Group, LLC | 11,455 | $31.0K | 0.00% | +11,455 | New |
| MTM Investment Management, LLC | 10,900 | $30.0K | 0.02% | +125+1.2% | Added |
| Victory Capital Management Inc | 10,441 | $29.0K | 0.00% | +10,441 | New |
| UBS Group AG | 7,713 | $22.0K | 0.00% | −7,787−50.2% | Reduced |
| Leonteq Securities AG | 7,500 | $20.6K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 7,015 | $19.0K | 0.00% | +7,015 | New |
| Ameritas Investment Partners, Inc. | 6,850 | $18.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 6,222 | $17.1K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 4,761 | $13.0K | 0.00% | −4,740−49.9% | Reduced |
| FMR LLC | 4,654 | $13.0K | 0.00% | +4,392+1,676.3% | Added |
| Advisor Group Holdings, Inc. | 2,970 | $8.00K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 2,025 | $5.57K | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 1,200 | $3.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,112 | $3.00K | 0.00% | +596+115.5% | Added |
| China Universal Asset Management Co., Ltd. | 1,119 | $3.00K | 0.00% | +1,119 | New |
| US Bancorp | 800 | $2.00K | 0.00% | 00.0% | Unchanged |
| Global Trust Asset Management, LLC | 855 | $2.00K | 0.00% | +855 | New |
| Johnson Midwest Financial, LLC | 770 | $2.00K | 0.01% | +770 | New |
| American Portfolios Advisors | 450 | $1.24K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 600 | $1.00K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 400 | $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 |
| Eagle Bay Advisors LLC | 277 | $1.00K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 30 | $0 | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 300 | $0 | 0.00% | 00.0% | Unchanged |