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Quantum-Si Incorporated

122 hedge funds and large institutions have $91.3M invested in Quantum-Si Incorporated in 2025 Q3 according to their latest regulatory filings, with 13 funds opening new positions, 43 increasing their positions, 40 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

28% less capital invested

Capital invested by funds: $126M → $91.3M (-$34.8M)

41% less first-time investments, than exits

New positions opened: 13 | Existing positions closed: 22

Holders
122
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.33M
Puts
$1.85M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Mariner
51
Mariner
Kansas
$71.2K
Manulife (Manufacturers Life Insurance)
52
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$67.2K
PFSRSONJ
53
Police & Firemen's Retirement System of New Jersey
New Jersey
$65.1K
SG Americas Securities
54
SG Americas Securities
New York
$59K
EGM
55
Engineers Gate Manager
New York
$58.4K
Cambridge Investment Research Advisors
56
Cambridge Investment Research Advisors
Iowa
$55K
ELM
57
Elite Life Management
Florida
$54.2K
RWI
58
Red Wave Investments
Pennsylvania
$52.2K
SA
59
Sanctuary Advisors
Indiana
$51.5K
Commonwealth Equity Services
60
Commonwealth Equity Services
Massachusetts
$51K
HCM
61
Hollencrest Capital Management
California
$49.4K
CAPTRUST Financial Advisors
62
CAPTRUST Financial Advisors
North Carolina
$49.1K
JEST
63
JTC Employer Solutions Trustee
Jersey
$49K
SS
64
SBI Securities
Japan
$47.4K
SEI Investments
65
SEI Investments
Pennsylvania
$46.7K
Wolverine Trading
66
Wolverine Trading
Illinois
$45.9K
Russell Investments Group
67
Russell Investments Group
United Kingdom
$45.1K
WMA
68
Wealth Management Associates
New Jersey
$43.6K
BNP Paribas Financial Markets
69
BNP Paribas Financial Markets
France
$43K
LPL Financial
70
LPL Financial
California
$40.1K
VOYA Investment Management
71
VOYA Investment Management
Georgia
$38.4K
Mercer Global Advisors
72
Mercer Global Advisors
Colorado
$38.1K
ProShare Advisors
73
ProShare Advisors
Maryland
$37.9K
New York State Common Retirement Fund
74
New York State Common Retirement Fund
New York
$36.8K
VPIM
75
Vanguard Personalized Indexing Management
California
$35.5K