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Gossamer Bio
GOSS

Overview Fund Activity

119 hedge funds and large institutions have $187M invested in Gossamer Bio in 2025 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 35 increasing their positions, 30 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
119
Holders Change
+14
Holders Change %
+13.33%
% of All Funds
1.62%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
24
Increased
35
Reduced
30
Closed
9
Calls
$2.93M
Puts
$117K
Net Calls
+$2.82M
Net Calls Change
+$2.31M

Top Buyers

1
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$3.21M
2
Acadian Asset Management
2
Acadian Asset Management
Massachusetts
$6.99M
3
Goldman Sachs
3
Goldman Sachs
New York
$1.03M
4
Arrowstreet Capital
4
Arrowstreet Capital
Massachusetts
$884K
5
AI
5
Atom Investors
Texas
$772K

Top Sellers

1
Alyeska Investment Group
1
Alyeska Investment Group
Illinois
$4.58M
2
PIM
2
Platinum Investment Management
Australia
$1.9M
3
Jacobs Levy Equity Management
3
Jacobs Levy Equity Management
New Jersey
$310K
4
EP
4
Eversept Partners
New York
$4.29M
5
Millennium Management
5
Millennium Management
New York
$2.95M
Name Holding Trade Value Shares
Change 		Shares
Change %
DWM
101
Drive Wealth Management
Utah
$18.3K +$18.3K +16,677 New
CAS
102
CTC Alternative Strategies
Illinois
$18.3K +$18.3K +16,600 New
JPMorgan Chase & Co
103
JPMorgan Chase & Co
New York
$17.2K +$11.5K +10,484 +204%
Cerity Partners
104
Cerity Partners
New York
$15.1K +$15.1K +13,761 New
PD
105
Point72 (DIFC)
United Arab Emirates
$14K +$14K +12,700 New
MC
106
Moors & Cabot
Massachusetts
$12.1K +$1.1K +1,000 +10%
RWM
107
Rialto Wealth Management
New York
$11.8K – – –
Citigroup
108
Citigroup
New York
$11.7K +$11.7K +10,675 +355,833%
TYCC
109
Texas Yale Capital Corp
Florida
$11K – – –
TRCT
110
Tower Research Capital (TRC)
New York
$5.65K +$5.65K +5,134 New
Wells Fargo
111
Wells Fargo
California
$4.85K +$4.85K +4,406 New
BT
112
Banque Transatlantique
France
$3.04K +$3.04K +2,986 New
SS
113
SBI Securities
Japan
$1.22K -$8.81K -8,006 -88%
SPIA
114
Steward Partners Investment Advisory
New York
$1.1K – – –
BNP Paribas Financial Markets
115
BNP Paribas Financial Markets
France
$1.01K -$39 -35 -4%
Royal Bank of Canada
116
Royal Bank of Canada
Ontario, Canada
$1K -$965 -739 -49%
FDCDDQ
117
Federation des caisses Desjardins du Quebec
Quebec, Canada
$825 – – –
PP
118
PFS Partners
New Jersey
$55 -$14 -13 -21%
MBFW
119
Morton Brown Family Wealth
Pennsylvania
$28 – – –
ACM
120
Aster Capital Management
United Arab Emirates
– -$122K -134,563 Closed
FW
121
FullCircle Wealth
Texas
– -$62.8K -47,954 Closed
CC
122
Callan Capital
California
– -$27.1K -30,000 Closed
Cetera Investment Advisers
123
Cetera Investment Advisers
Illinois
– -$22.6K -25,036 Closed
SC
124
Steph & Co
Wisconsin
– -$22.6K -25,000 Closed
XT
125
XTX Topco
Cayman Islands
– -$19.3K -21,339 Closed
2 3 4
5
6