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Quantum-Si Incorporated
QSI

Overview Fund Activity

132 hedge funds and large institutions have $126M invested in Quantum-Si Incorporated in 2025 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 56 increasing their positions, 33 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
132
Holders Change
-2
Holders Change %
-1.49%
% of All Funds
1.77%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
15
Increased
56
Reduced
33
Closed
16
Calls
$2.86M
Puts
$2.8M
Net Calls
+$54K
Net Calls Change
+$472K

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
+$3.48M
2
BlackRock
BlackRock
New York
+$2.76M
3
Northern Trust
Northern Trust
Illinois
+$2.48M
4
NL
Nuveen LLC
North Carolina
+$1.58M
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$888K

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
-$1.53M
2
AIM
ARK Investment Management
Florida
-$1.48M
3
XT
XTX Topco
Cayman Islands
-$632K
4
Two Sigma Investments
Two Sigma Investments
New York
-$495K
5
NAMA
Nikko Asset Management Americas
New York
-$373K
Name Holding Trade Value Shares
Change 		Shares
Change %
Barclays
26
Barclays
United Kingdom
$469K +$232K +118,113 +98%
GAA
27
Green Alpha Advisors
Colorado
$448K -$30.8K -15,719 -6%
Ameriprise
28
Ameriprise
Minnesota
$437K +$437K +223,100 New
RhumbLine Advisers
29
RhumbLine Advisers
Massachusetts
$400K +$106K +53,994 +36%
Pathstone Holdings
30
Pathstone Holdings
New Jersey
$390K -$30.4K -15,511 -7%
BCM
31
Bridgeway Capital Management
Texas
$384K – – –
Invesco
32
Invesco
Georgia
$383K +$180K +91,793 +89%
Group One Trading
33
Group One Trading
Illinois
$264K +$264K +134,632 New
SC
34
Shay Capital
New York
$254K +$2.22K +1,131 +0.9%
AQR Capital Management
35
AQR Capital Management
Connecticut
$239K +$50.3K +25,661 +27%
T. Rowe Price Associates
36
T. Rowe Price Associates
Maryland
$237K +$24.3K +12,332 +11%
IEFM
37
IQ EQ Fund Management
Ireland
$229K +$91.9K +46,884 +67%
Simplex Trading
38
Simplex Trading
Illinois
$206K +$122K +62,625 +146%
Wells Fargo
39
Wells Fargo
California
$199K +$36K +18,383 +22%
Deutsche Bank
40
Deutsche Bank
Germany
$193K +$60.8K +31,010 +46%
Renaissance Technologies
41
Renaissance Technologies
New York
$175K -$1.53M -782,556 -90%
IIM
42
INTECH Investment Management
Florida
$173K +$53.2K +27,132 +44%
AC
43
AlphaCore Capital
California
$165K +$165K +83,950 New
SC
44
Sculptor Capital
New York
$153K – – –
MIM
45
MetLife Investment Management
New Jersey
$152K +$2.55K +1,301 +2%
Mirae Asset Global ETFs Holdings
46
Mirae Asset Global ETFs Holdings
Hong Kong
$151K +$13.1K +6,663 +9%
EL
47
EWA LLC
Pennsylvania
$134K -$20.6K -10,488 -13%
JPMorgan Chase & Co
48
JPMorgan Chase & Co
New York
$131K +$17.7K +9,005 +16%
AC
49
AXQ Capital
New Jersey
$112K +$112K +57,000 New
Mariner
50
Mariner
Kansas
$99.2K +$5.07K +2,589 +5%
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