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Quantum-Si Incorporated
QSI

Overview Fund Activity

131 hedge funds and large institutions have $124M invested in Quantum-Si Incorporated in 2025 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 55 increasing their positions, 33 reducing their positions, and 15 closing their positions.

Holders
131
Holders Change
-3
Holders Change %
-2.24%
% of All Funds
1.76%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
15
Increased
55
Reduced
33
Closed
15
Calls
$2.33M
Puts
$2.11M
Net Calls
+$220K
Net Calls Change
+$638K

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$17M
2
BlackRock
2
BlackRock
New York
$21.3M
3
Northern Trust
3
Northern Trust
Illinois
$4.49M
4
NL
4
Nuveen LLC
North Carolina
$2.21M
5
Geode Capital Management
5
Geode Capital Management
Massachusetts
$6.76M

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$175K
2
AIM
2
ARK Investment Management
Florida
$15.6M
3
XT
3
XTX Topco
Cayman Islands
$91.1K
4
Two Sigma Investments
4
Two Sigma Investments
New York
$1.11M
5
Sumitomo Mitsui Trust Group
5
Sumitomo Mitsui Trust Group
Japan
$11M
Name Market Value Shares Shares
Change 		Shares
Change %
National Bank of Canada
126
National Bank of Canada
Quebec, Canada
$1.18K 600 -10,500 -95%
PNC Financial Services Group
127
PNC Financial Services Group
Pennsylvania
$1.07K 548 +59 +12%
BSB
128
Bangor Savings Bank
Maine
$784 400 – –
FWM
129
FSA Wealth Management
Massachusetts
$196 100 – –
FDCDDQ
130
Federation des caisses Desjardins du Quebec
Quebec, Canada
$98 50 – –
GC
131
Guggenheim Capital
Illinois
– – -129,021 Closed
Two Sigma Advisers
132
Two Sigma Advisers
New York
– – -78,900 Closed
CF
133
Corebridge Financial
Texas
– – -58,876 Closed
VF
134
Virtu Financial
New York
– – -34,830 Closed
WFA
135
WestHill Financial Advisors
California
– – -21,727 Closed
AHL
136
Abel Hall LLC
Louisiana
– – -12,008 Closed
TFS
137
Thoroughbred Financial Services
Tennessee
– – -12,000 Closed
FIM
138
Freedom Investment Management
Connecticut
– – -11,051 Closed
SP
139
SIH Partners
Delaware
– – -10,624 Closed
BA
140
Ballew Advisors
Mississippi
– – -10,000 Closed
DA
141
Dash Acquisitions
California
– – -10,000 Closed
CA
142
CoreCap Advisors
Michigan
– – -1,748 Closed
PWA
143
Physician Wealth Advisors
Utah
– – -687 Closed
ACA
144
American Capital Advisory
Idaho
– – -100 Closed
CAL
145
Capital Advisors Ltd
Ohio
$0 58 -2 -3%
TWD
146
True Wealth Design
Ohio
– – -2 Closed
IMC Chicago
147
IMC Chicago
Illinois
– – – –
2 3 4 5
6