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Gossamer Bio

118 hedge funds and large institutions have $187M invested in Gossamer Bio in 2025 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 35 increasing their positions, 30 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

17% more repeat investments, than reductions

Existing positions increased: 35 | Existing positions reduced: 30

12% more funds holding

Funds holding: 105118 (+13)

0.97% less ownership

Funds ownership: 75.62%74.65% (-0.97%)

Holders
118
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.93M
Puts
$117K
Net Calls
Net Calls Change

Top Buyers

1 +$2.57M
2 +$1.38M
3 +$908K
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$884K
5
AI
Atom Investors
Texas
+$772K

Top Sellers

1 -$5.11M
2 -$1.59M
3 -$1.38M
4
EP
Eversept Partners
New York
-$1.19M
5
Millennium Management
Millennium Management
New York
-$999K
Name Holding Trade Value Shares
Change
Change in
Stake
FAIM
76
Financial Advocates Investment Management
Washington
$86.5K
VCIM
77
Velan Capital Investment Management
Georgia
$82.5K
T. Rowe Price Associates
78
T. Rowe Price Associates
Maryland
$72K
PAP
79
Persistent Asset Partners
Hong Kong
$68.2K
CFM
80
Catalyst Funds Management
Australia
$57.2K
CL
81
Choreo LLC
Illinois
$52.9K
Prudential Financial
82
Prudential Financial
New Jersey
$51.8K
HWM
83
HB Wealth Management
Georgia
$51.4K
Tudor Investment Corp
84
Tudor Investment Corp
Connecticut
$51.1K
Invesco
85
Invesco
Georgia
$48.1K
Lazard Asset Management
86
Lazard Asset Management
New York
$48K
Commonwealth Equity Services
87
Commonwealth Equity Services
Massachusetts
$46K
Hudson Bay Capital Management
88
Hudson Bay Capital Management
Connecticut
$40.6K
VF
89
Virtu Financial
New York
$38K
US Bancorp
90
US Bancorp
Minnesota
$36.8K
SCP
91
Sivia Capital Partners
California
$33K
GCM
92
Graham Capital Management
Connecticut
$31.9K
Osaic Holdings
93
Osaic Holdings
Arizona
$30.2K
SAM
94
Silvercrest Asset Management
New York
$28.8K
BHCM
95
Brevan Howard Capital Management
Jersey
$26K
TCM
96
Traynor Capital Management
Pennsylvania
$25.6K
CA
97
Clearstead Advisors
Ohio
$24.2K
Bank of New York Mellon
98
Bank of New York Mellon
New York
$22.2K
Cambridge Investment Research Advisors
99
Cambridge Investment Research Advisors
Iowa
$21K
VPIM
100
Vanguard Personalized Indexing Management
California
$18.7K