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Quantum-Si Incorporated
QSI

121 hedge funds and large institutions have $145M invested in Quantum-Si Incorporated in 2024 Q4 according to their latest regulatory filings, with 35 funds opening new positions, 42 increasing their positions, 22 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

216% more capital invested

Capital invested by funds: $45.9M → $145M (+$99M)

161% more call options, than puts

Call options by funds: $5.69M | Put options by funds: $2.18M

91% more repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 22

75% more first-time investments, than exits

New positions opened: 35 | Existing positions closed: 20

13% more funds holding

Funds holding: 107 → 121 (+14)

1.22% more ownership

Funds ownership: 42.49% → 43.71% (+1.2%)

Holders
121
Holders Change
+14
Holders Change %
+13.08%
% of All Funds
1.59%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
35
Increased
42
Reduced
22
Closed
20
Calls
$5.69M
Puts
$2.18M
Net Calls
+$3.51M
Net Calls Change
+$3.22M

Top Buyers

Rank Fund Capital Flow
1
Morgan Stanley
Morgan Stanley
New York
+$3.72M
2
BlackRock
BlackRock
New York
+$1.8M
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$1.12M
4
Goldman Sachs
Goldman Sachs
New York
+$891K
5
UBS Group
UBS Group
Switzerland
+$636K

Top Sellers

Rank Fund Capital Flow
1
AIM
ARK Investment Management
Florida
-$3.51M
2
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group
Japan
-$1.85M
3
NAMA
Nikko Asset Management Americas
New York
-$1.83M
4
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
-$829K
5
N
Nuveen
North Carolina
-$288K
Name Holding Trade Value Shares
Change 		Change in
Stake
PS
101
Pinney & Scofield
Massachusetts
$9.94K +$4.31K +3,680 New
SCM
102
Sterling Capital Management
North Carolina
$9.18K +$3.63K +3,094 +1,008%
AB
103
Amalgamated Bank
New York
$9K – – –
Carson Wealth (CWM LLC)
104
Carson Wealth (CWM LLC)
Nebraska
$7K +$2.5K +2,132 +489%
AIC
105
Archer Investment Corporation
Indiana
$5.4K – – –
TAM
106
Tucker Asset Management
Colorado
$3.97K +$1.72K +1,470 New
AWM
107
Avior Wealth Management
Nebraska
$3.66K – – –
CIAM
108
Caitong International Asset Management
Hong Kong
$3.32K +$1.44K +1,228 New
SPIA
109
Steward Partners Investment Advisory
New York
$2.7K -$1.17K -1,000 -50%
TWC
110
TD Waterhouse Canada
Ontario, Canada
$2.15K +$586 +500 +167%
Twin Tree Management
111
Twin Tree Management
Texas
$2.05K +$888 +758 New
CAL
112
Capital Advisors Ltd
Ohio
$2K +$657 +561 New
AF
113
Allworth Financial
California
$1.99K – – –
CA
114
CoreCap Advisors
Michigan
$1.28K +$274 +234 +97%
EBA
115
Eagle Bay Advisors
New York
$748 – – –
MWA
116
Medallion Wealth Advisors
Connecticut
$692 +$300 +256 New
PFBT
117
Parkside Financial Bank & Trust
Missouri
$405 +$176 +150 New
FWM
118
FSA Wealth Management
Massachusetts
$270 – – –
ACA
119
American Capital Advisory
Idaho
$270 +$117 +100 New
EWA
120
EverSource Wealth Advisors
Alabama
$70 +$30 +26 New
PNC Financial Services Group
121
PNC Financial Services Group
Pennsylvania
$16 +$7 +6 New
Jacobs Levy Equity Management
122
Jacobs Levy Equity Management
New Jersey
– -$829K -939,419 Closed
GAI
123
General American Investors
New York
– -$260K -294,350 Closed
Millennium Management
124
Millennium Management
New York
– -$133K -150,865 Closed
Ameriprise
125
Ameriprise
Minnesota
– -$109K -123,757 Closed
2 3 4
5
6

QSI Hedge Fund Activity: Q4 2024 in Review

121 of the 7,593 institutional investors tracked by Wall St. Rank reported a position in Quantum-Si Incorporated (QSI) for Q4 2024, worth a combined $145M — up 216% from $45.9M a quarter earlier.

Buyers outnumbered sellers: 35 funds opened new QSI positions and 20 closed out — a net gain of 15 holders — while 42 added to existing stakes and 22 trimmed.

The largest buyer was Morgan Stanley, adding an estimated $3.72M. The largest seller was ARK Investment Management, cutting an estimated $3.51M.

  • 121 institutional investors held Quantum-Si Incorporated (QSI) as of Q4 2024, up from 107 in Q3 2024.
  • Funds reported $145M of Quantum-Si Incorporated stock for Q4 2024, up 216% quarter-over-quarter.
  • 35 funds opened new Quantum-Si Incorporated positions in Q4 2024 and 20 closed out, a net change of +15 holders.
  • The largest Quantum-Si Incorporated buyer in Q4 2024 was Morgan Stanley, an estimated $3.72M added.
  • The largest Quantum-Si Incorporated seller in Q4 2024 was ARK Investment Management, an estimated $3.51M sold.

Based on aggregated 13F filings for Q4 2024.