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, Q2 2022
Institutional positions in Quantum-Si Inc as of Jun 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
- +10 vs. Q1 2022
- Shares held
- 48.6M
- +2.73M (+5.9%) vs. Q1 2022
- Total value
- $139.6M
- −$75.3M (−35.0%) vs. Q1 2022
- New holders
- 30
- 27 more added
- Sold out
- 20
- 22 more reduced
Compare with Q1 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, Q2 2022
Shares, value and share of portfolio for each institution holding Quantum-Si Inc; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ARK Investment Management LLCSuperinvestorARK Invest | 13,869,084 | $58.9M | 0.35% | +495,527+3.7% | Added |
| BlackRock Inc. | 6,220,194 | $14.4M | 0.00% | +4,657,699+298.1% | Added |
| Glenview Capital Management, LLC | 5,250,000 | $12.2M | 0.31% | −528,299−9.1% | Reduced |
| Vanguard Group Inc | 4,612,579 | $10.7M | 0.00% | +678,572+17.2% | Added |
| Foresite Capital Management IV, LLC | 1,771,249 | $4.11M | 1.11% | −2,692,370−60.3% | Reduced |
| Geode Capital Management, LLC | 1,585,884 | $3.68M | 0.00% | +788,677+98.9% | Added |
| State Street Corp | 1,486,286 | $3.45M | 0.00% | +1,084,571+270.0% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,400,000 | $3.25M | 0.07% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,269,588 | $2.94M | 0.00% | +1,269,588 | New |
| Nikko Asset Management Americas, Inc. | 1,269,588 | $2.92M | 0.04% | +56,559+4.7% | Added |
| Foresite Capital Management V, LLC | 924,379 | $2.15M | 1.50% | −1,417,682−60.5% | Reduced |
| Northern Trust Corp | 774,618 | $1.80M | 0.00% | +609,737+369.8% | Added |
| Fosun International Ltd | 743,935 | $1.73M | 0.24% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 696,562 | $1.62M | 0.01% | −27,165−3.8% | Reduced |
| Rubric Capital Management LP | 672,385 | $1.56M | 0.08% | 00.0% | Unchanged |
| Foresite Capital Opportunity Management V, LLC | 633,626 | $1.47M | 3.70% | −964,499−60.4% | Reduced |
| Neumann Advisory Hong Kong Ltd | 462,733 | $1.07M | 0.35% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 406,884 | $944.0K | 0.00% | −380,902−48.4% | Reduced |
| HRT Financial LP | 378,494 | $878.0K | 0.01% | +315,437+500.2% | Added |
| Nuveen Asset Management, LLC | 360,356 | $836.0K | 0.00% | +360,356 | New |
| Susquehanna International Group, LLP | 290,762 | $675.0K | 0.00% | −160,088−35.5% | Reduced |
| Citadel Advisors LLC | 290,145 | $673.0K | 0.00% | +248,460+596.0% | Added |
| Bank of New York Mellon Corp | 246,855 | $573.0K | 0.00% | +214,655+666.6% | Added |
| Charles Schwab Investment Management Inc | 232,709 | $540.0K | 0.00% | +200,691+626.8% | Added |
| Clearline Capital LP | 211,900 | $492.0K | 0.07% | +119,432+129.2% | Added |
| Swiss National Bank | 194,500 | $451.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 186,529 | $433.0K | 0.00% | +137,337+279.2% | Added |
| D. E. Shaw & Co., Inc. | 151,579 | $352.0K | 0.00% | +132,693+702.6% | Added |
| Rhumbline Advisers | 125,093 | $290.0K | 0.00% | +125,093 | New |
| California State Teachers Retirement System | 108,549 | $252.0K | 0.00% | +38,931+55.9% | Added |
| D.A. Davidson & Co. | 105,000 | $244.0K | 0.00% | +2,500+2.4% | Added |
| General American Investors Co Inc | 98,311 | $228.0K | 0.02% | +98,311 | New |
| Morgan Stanley | 95,402 | $221.0K | 0.00% | −7,620−7.4% | Reduced |
| Cubist Systematic Strategies, LLC | 84,455 | $196.0K | 0.00% | −112,250−57.1% | Reduced |
| UBS Asset Management Americas Inc | 82,500 | $191.4K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 66,830 | $155.0K | 0.00% | −15,000−18.3% | Reduced |
| Shay Capital LLC | 65,879 | $153.0K | 0.08% | +65,879 | New |
| Westchester Capital Management, LLC | 64,964 | $151.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 64,400 | $149.0K | 0.00% | +64,400 | New |
| Legal & General Group Plc | 55,209 | $128.0K | 0.00% | +35,649+182.3% | Added |
| Credit Suisse AG | 53,770 | $126.0K | 0.00% | +2,157+4.2% | Added |
| JPMorgan Chase & Co | 54,447 | $126.0K | 0.00% | +40,277+284.2% | Added |
| MetLife Investment Management | 53,607 | $124.4K | 0.00% | +53,607 | New |
| Intrepid Family Office LLC | 50,000 | $116.0K | 0.30% | 00.0% | Unchanged |
| Deutsche Bank AG | 43,185 | $100.0K | 0.00% | +43,185 | New |
| American International Group, Inc. | 42,750 | $99.0K | 0.00% | +42,750 | New |
| Invesco Ltd. | 41,768 | $98.0K | 0.00% | +41,768 | New |
| Price T Rowe Associates Inc | 38,714 | $90.0K | 0.00% | −1,171,022−96.8% | Reduced |
| Red Wave Investments LLC | 37,000 | $86.0K | 0.04% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 36,791 | $85.4K | 0.00% | −76,216−67.4% | Reduced |
| SG Americas Securities, LLC | 36,765 | $85.0K | 0.00% | +36,765 | New |
| Barclays PLC | 36,042 | $84.0K | 0.00% | +4,204+13.2% | Added |
| Voya Investment Management LLC | 34,715 | $81.0K | 0.00% | +34,715 | New |
| Guidance Point Advisors, LLC | 25,742 | $59.0K | 0.03% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 25,217 | $59.0K | 0.00% | +260+1.0% | Added |
| XTX Topco Ltd | 25,530 | $59.0K | 0.02% | +25,530 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,417 | $57.0K | 0.00% | +24,417 | New |
| Round Rock Advisors, LLC | 24,035 | $56.0K | 0.03% | +24,035 | New |
| Arizona State Retirement System | 22,286 | $52.0K | 0.00% | +57+0.3% | Added |
| Janus Henderson Group PLC | 22,206 | $52.0K | 0.00% | +239+1.1% | Added |
| STRS Ohio | 21,300 | $49.0K | 0.00% | +21,300 | New |
| Mutual Advisors, LLC | 20,508 | $48.0K | 0.00% | −2,036−9.0% | Reduced |
| ProShare Advisors LLC | 19,531 | $46.0K | 0.00% | +7,373+60.6% | Added |
| State of Wisconsin Investment Board | 19,836 | $46.0K | 0.00% | +19,836 | New |
| Principal Financial Group Inc | 17,926 | $42.0K | 0.00% | +4,730+35.8% | Added |
| Wells Fargo & Company | 17,449 | $41.0K | 0.00% | −7,391−29.8% | Reduced |
| UBS Group AG | 15,500 | $37.0K | 0.00% | −185−1.2% | Reduced |
| Tower Research Capital LLC (TRC) | 14,596 | $34.0K | 0.00% | −15,229−51.1% | Reduced |
| AQR Capital Management LLC | 14,364 | $33.0K | 0.00% | −2,070−12.6% | Reduced |
| Flagship Private Wealth, LLC | 14,158 | $33.0K | 0.03% | +14,158 | New |
| Procyon Private Wealth Partners, LLC | 13,671 | $32.0K | 0.01% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 12,527 | $29.0K | 0.00% | −4,414−26.1% | Reduced |
| Abacus Planning Group, Inc. | 12,510 | $29.0K | 0.01% | 00.0% | Unchanged |
| Amalgamated Bank | 11,568 | $27.0K | 0.00% | +11,568 | New |
| MTM Investment Management, LLC | 10,775 | $26.0K | 0.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 10,500 | $24.0K | 0.00% | +10,500 | New |
| FSA Wealth Management LLC | 10,000 | $23.0K | 0.06% | +10,000 | New |
| Citigroup Inc | 9,501 | $22.0K | 0.00% | −15,437−61.9% | Reduced |
| Leonteq Securities AG | 7,500 | $17.4K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,850 | $15.0K | 0.00% | +6,850 | New |
| Metropolitan Life Insurance Co | 6,222 | $14.4K | 0.00% | +6,222 | New |
| Captrust Financial Advisors | 5,970 | $14.0K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 4,456 | $10.0K | 0.00% | +111+2.6% | Added |
| Advisor Group Holdings, Inc. | 2,970 | $7.00K | 0.00% | −190−6.0% | Reduced |
| TD Waterhouse Canada Inc. | 2,025 | $4.86K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 1,855 | $4.00K | 0.00% | +1,855 | New |
| Wolff Wiese Magana LLC | 1,200 | $3.00K | 0.00% | −200−14.3% | Reduced |
| US Bancorp | 800 | $2.00K | 0.00% | 00.0% | Unchanged |
| American Portfolios Advisors | 450 | $1.04K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 516 | $1.00K | 0.00% | −58,656−99.1% | Reduced |
| 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% | +407 | New |
| Total Clarity Wealth Management, Inc. | 250 | $1.00K | 0.00% | +250 | New |
| Concord Wealth Partners | 300 | $1.00K | 0.00% | +300 | New |
| Eagle Bay Advisors LLC | 277 | $643 | 0.00% | +277 | New |
| Venture Visionary Partners LLC | 200 | $464 | 0.00% | +200 | New |
| Hantz Financial Services, Inc. | 30 | $0 | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 300 | $0 | 0.00% | +130+76.5% | Added |