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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.

Institutional holdersQ3 2022: 102 institutions
Q1 2021: 0 institutionsQ2 2021: 72 institutionsQ3 2021: 73 institutionsQ4 2021: 93 institutionsQ1 2022: 92 institutionsQ2 2022: 102 institutionsQ3 2022: 102 institutionsQ4 2022: 105 institutionsQ1 2023: 100 institutionsQ2 2023: 91 institutionsQ3 2023: 96 institutionsQ4 2023: 91 institutionsQ1 2024: 95 institutionsQ2 2024: 99 institutionsQ3 2024: 107 institutionsQ4 2024: 121 institutionsQ1 2025: 137 institutionsQ2 2025: 135 institutionsQ3 2025: 125 institutionsQ4 2025: 135 institutionsQ1 2026: 157 institutionsQ2 2026: 141 institutions
Value heldQ3 2022: $130.8M
Q1 2021: $0Q2 2021: $534.9MQ3 2021: $372.4MQ4 2021: $370.6MQ1 2022: $215.0MQ2 2022: $139.6MQ3 2022: $130.8MQ4 2022: $90.9MQ1 2023: $76.5MQ2 2023: $78.5MQ3 2023: $90.5MQ4 2023: $113.6MQ1 2024: $104.1MQ2 2024: $56.1MQ3 2024: $45.9MQ4 2024: $144.8MQ1 2025: $69.3MQ2 2025: $126.2MQ3 2025: $91.3MQ4 2025: $74.3MQ1 2026: $49.0MQ2 2026: $46.8M
Institutions holding QSI and their total value by quarter
QuarterHoldersValue
Q2 2026141$46.8M
Q1 2026157$49.0M
Q4 2025135$74.3M
Q3 2025125$91.3M
Q2 2025135$126.2M
Q1 2025137$69.3M
Q4 2024121$144.8M
Q3 2024107$45.9M
Q2 202499$56.1M
Q1 202495$104.1M
Q4 202391$113.6M
Q3 202396$90.5M
Q2 202391$78.5M
Q1 2023100$76.5M
Q4 2022105$90.9M
Q3 2022102$130.8M
Q2 2022102$139.6M
Q1 202292$215.0M
Q4 202193$370.6M
Q3 202173$372.4M
Q2 202172$534.9M
Q1 20210$0

Institutions, Q3 2022

Shares, value and share of portfolio for each institution holding Quantum-Si Inc; share changes are against Q2 2022.

Institutions holding QSI in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Hantz Financial Services, Inc.30$00.00%00.0%Unchanged
Cutler Group LP300$00.00%00.0%Unchanged
Glassman Wealth Services143$00.00%+143New
First Manhattan Co600$1.00K0.00%00.0%Unchanged
Clearstead Advisors, LLC400$1.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.343$1.00K0.00%00.0%Unchanged
CWM, LLC407$1.00K0.00%00.0%Unchanged
Eagle Bay Advisors LLC277$1.00K0.00%00.0%Unchanged
American Portfolios Advisors450$1.24K0.00%00.0%Unchanged
US Bancorp800$2.00K0.00%00.0%Unchanged
Global Trust Asset Management, LLC855$2.00K0.00%+855New
Johnson Midwest Financial, LLC770$2.00K0.01%+770New
Wolff Wiese Magana LLC1,200$3.00K0.00%00.0%Unchanged
Royal Bank of Canada1,112$3.00K0.00%+596+115.5%Added
China Universal Asset Management Co., Ltd.1,119$3.00K0.00%+1,119New
TD Waterhouse Canada Inc.2,025$5.57K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.2,970$8.00K0.00%00.0%Unchanged
Citigroup Inc4,761$13.0K0.00%−4,740−49.9%Reduced
FMR LLC4,654$13.0K0.00%+4,392+1,676.3%Added
Metropolitan Life Insurance Co6,222$17.1K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.6,850$18.0K0.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC7,015$19.0K0.00%+7,015New
Leonteq Securities AG7,500$20.6K0.00%00.0%Unchanged
UBS Group AG7,713$22.0K0.00%−7,787−50.2%Reduced
Victory Capital Management Inc10,441$29.0K0.00%+10,441New
MTM Investment Management, LLC10,900$30.0K0.02%+125+1.2%Added
FSA Wealth Management LLC11,150$31.0K0.02%+1,150+11.5%Added
Jane Street Group, LLC11,455$31.0K0.00%+11,455New
Tower Research Capital LLC (TRC)11,312$32.0K0.00%−3,284−22.5%Reduced
Teacher Retirement System of Texas11,801$32.0K0.00%−726−5.8%Reduced
Amalgamated Bank11,568$32.0K0.00%00.0%Unchanged
Two Sigma Securities, LLC11,983$33.0K0.00%+11,983New
Abacus Planning Group, Inc.12,510$34.0K0.01%00.0%Unchanged
Virtu Financial LLC12,509$34.0K0.00%+12,509New
Bank of America Corp13,039$35.0K0.00%−173,490−93.0%Reduced
Procyon Private Wealth Partners, LLC13,671$38.0K0.01%00.0%Unchanged
Flagship Private Wealth, LLC14,158$39.0K0.04%00.0%Unchanged
State of Wisconsin Investment Board15,541$43.0K0.00%−4,295−21.7%Reduced
Wells Fargo & Company18,548$51.0K0.00%+1,099+6.3%Added
Alliancebernstein L.P.19,700$54.0K0.00%+9,200+87.6%Added
ProShare Advisors LLC20,113$56.0K0.00%+582+3.0%Added
STRS Ohio21,300$58.0K0.00%00.0%Unchanged
Mutual Advisors, LLC21,439$59.0K0.00%+931+4.5%Added
Janus Henderson Group PLC22,044$60.0K0.00%−162−0.7%Reduced
Arizona State Retirement System22,641$62.0K0.00%+355+1.6%Added
Principal Financial Group Inc23,084$63.0K0.00%+5,158+28.8%Added
Round Rock Advisors, LLC24,035$66.0K0.03%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)24,417$67.0K0.00%00.0%Unchanged
Guidance Point Advisors, LLC25,742$70.0K0.03%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.28,073$77.0K0.00%+2,856+11.3%Added
SG Americas Securities, LLC31,204$86.0K0.00%−5,561−15.1%Reduced
Legal & General Group Plc31,817$87.0K0.00%−23,392−42.4%Reduced
Voya Investment Management LLC34,715$95.5K0.00%00.0%Unchanged
Barclays PLC35,331$98.0K0.00%−711−2.0%Reduced
Manufacturers Life Insurance Company, The35,765$98.4K0.00%−1,026−2.8%Reduced
Deutsche Bank AG37,084$102.0K0.00%−6,101−14.1%Reduced
Red Wave Investments LLC37,000$102.0K0.04%00.0%Unchanged
Invesco Ltd.41,516$114.0K0.00%−252−0.6%Reduced
American International Group, Inc.43,363$119.0K0.00%+613+1.4%Added
Price T Rowe Associates Inc44,313$122.0K0.00%+5,599+14.5%Added
Gsa Capital Partners LLP44,742$123.0K0.02%+44,742New
Intrepid Family Office LLC50,000$138.0K0.42%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.51,343$141.0K0.00%−15,487−23.2%Reduced
MetLife Investment Management53,607$147.4K0.00%00.0%Unchanged
Credit Suisse AG54,252$149.0K0.00%+482+0.9%Added
UBS Asset Management Americas Inc57,400$157.8K0.00%−25,100−30.4%Reduced
JPMorgan Chase & Co58,301$160.0K0.00%+3,854+7.1%Added
Westchester Capital Management, LLC64,964$179.0K0.01%00.0%Unchanged
New York State Common Retirement Fund65,200$179.0K0.00%+800+1.2%Added
Susquehanna International Group, LLP80,761$222.0K0.00%−210,001−72.2%Reduced
Cubist Systematic Strategies, LLC98,305$270.0K0.00%+13,850+16.4%Added
D.A. Davidson & Co.105,000$289.0K0.00%00.0%Unchanged
California State Teachers Retirement System107,744$296.0K0.00%−805−0.7%Reduced
Morgan Stanley107,756$297.0K0.00%+12,354+12.9%Added
D. E. Shaw & Co., Inc.119,373$328.0K0.00%−32,206−21.2%Reduced
General American Investors Co Inc119,250$328.0K0.03%+20,939+21.3%Added
Rhumbline Advisers132,596$365.0K0.00%+7,503+6.0%Added
Citadel Advisors LLC166,130$457.0K0.00%−124,015−42.7%Reduced
Swiss National Bank194,500$535.0K0.00%00.0%Unchanged
Clearline Capital LP211,900$583.0K0.08%00.0%Unchanged
Charles Schwab Investment Management Inc232,986$641.0K0.00%+277+0.1%Added
Bank of New York Mellon Corp275,966$759.0K0.00%+29,111+11.8%Added
Nuveen Asset Management, LLC365,401$1.00M0.00%+5,045+1.4%Added
Goldman Sachs Group Inc396,105$1.09M0.00%−10,779−2.6%Reduced
Neumann Advisory Hong Kong Ltd427,631$1.18M0.41%−35,102−7.6%Reduced
Foresite Capital Opportunity Management V, LLC633,626$1.74M5.23%00.0%Unchanged
Rubric Capital Management LP672,385$1.85M0.09%00.0%Unchanged
Guggenheim Capital LLC678,717$1.87M0.02%−17,845−2.6%Reduced
Fosun International Ltd743,935$2.05M0.37%00.0%Unchanged
Northern Trust Corp772,579$2.12M0.00%−2,039−0.3%Reduced
Foresite Capital Management V, LLC924,379$2.54M1.95%00.0%Unchanged
Nikko Asset Management Americas, Inc.1,268,771$3.43M0.04%−817−0.1%Reduced
Sumitomo Mitsui Trust Holdings, Inc.1,268,771$3.49M0.00%−817−0.1%Reduced
Deerfield Management Company, L.P. (Series C)1,400,000$3.85M0.08%00.0%Unchanged
Geode Capital Management, LLC1,613,460$4.44M0.00%+27,576+1.7%Added
State Street Corp1,723,337$4.74M0.00%+237,051+15.9%Added
Foresite Capital Management IV, LLC1,771,249$4.87M1.57%00.0%Unchanged
Vanguard Group Inc4,920,922$13.5M0.00%+308,343+6.7%Added
Glenview Capital Management, LLC5,096,972$14.0M0.36%−153,028−2.9%Reduced
BlackRock Inc.6,354,740$17.5M0.00%+134,546+2.2%Added