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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 %
Wolverine Trading
126
Wolverine Trading
Illinois
– -$16.6K -18,912 Closed
RS
127
R Squared
Hong Kong
– -$3.04K -3,360 Closed
FFA
128
Farther Finance Advisors
California
– -$362 -400 Closed
2 3 4 5
6