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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 %
KWM
76
Kingsview Wealth Management
Oregon
$39.2K 20,012 +10,000 +100%
JFG
77
Jefferies Financial Group
New York
$39.2K 20,000 -63,031 -76%
DIM
78
DLK Investment Management
California
$38.7K 19,750 +750 +4%
Cetera Investment Advisers
79
Cetera Investment Advisers
Illinois
$36.8K 18,771 -330 -2%
Fidelity Investments
80
Fidelity Investments
Massachusetts
$36.3K 18,520 -61,103 -77%
SWA
81
Stratos Wealth Advisors
Ohio
$35K 17,860 -450 -2%
CWM
82
CIBC World Markets
New York
$34.1K 17,379 -9,288 -35%
WAM
83
Wolverine Asset Management
Illinois
$32.3K 16,501 +9,626 +140%
Victory Capital Management
84
Victory Capital Management
Texas
$31.8K 16,217 -376 -2%
BNP Paribas Financial Markets
85
BNP Paribas Financial Markets
France
$29.7K 15,133 +6,516 +76%
TRCT
86
Tower Research Capital (TRC)
New York
$29.2K 14,907 -6,119 -29%
Cerity Partners
87
Cerity Partners
New York
$29.2K 14,881 +14,881 New
MSFP
88
Mark Sheptoff Financial Planning
Connecticut
$28.4K 14,500 – –
AIP
89
Ameritas Investment Partners
Nebraska
$28.2K 14,401 +4,495 +45%
FPW
90
Flagship Private Wealth
Massachusetts
$27.8K 14,158 – –
CIBC World Market
91
CIBC World Market
Ontario, Canada
$27.5K 14,011 -6,000 -30%
HSBC Holdings
92
HSBC Holdings
United Kingdom
$27.2K 13,717 -270 -2%
PA
93
Procyon Advisors
Connecticut
$26.8K 13,671 – –
Neuberger Berman Group
94
Neuberger Berman Group
New York
$26.3K 13,430 -2,489 -16%
JEST
95
JTC Employer Solutions Trustee
Jersey
$26K 13,340 +13,340 New
Legal & General Group
96
Legal & General Group
United Kingdom
$25.2K 12,860 +3,566 +38%
Prudential Financial
97
Prudential Financial
New Jersey
$25.2K 12,850 +12,850 New
State Board of Administration of Florida Retirement System
98
State Board of Administration of Florida Retirement System
Florida
$24.1K 12,300 – –
American Century Companies
99
American Century Companies
Missouri
$23.6K 12,036 +12,036 New
X
100
Xponance
Pennsylvania
$21.7K 11,051 +11,051 New
2 3
4
5 6