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Gossamer Bio

182 hedge funds and large institutions have $56.3M invested in Gossamer Bio in 2026 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 71 increasing their positions, 49 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less ownership

Funds ownership:

17% less first-time investments, than exits

New positions opened: 44 | Existing positions closed: 53

67% less funds holding in top 10

Funds holding in top 10: 31 (-2)

90% less capital invested

Capital invested by funds: $585M → $56.3M (-$529M)

Holders
182
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.24M
Puts
$189K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
BFIM
151
Beese Fulmer Investment Management
Ohio
$3.66K
SOW
152
State of Wyoming
Wyoming
$3.59K
BCM
153
Beaumont Capital Management
Massachusetts
$3.54K
BBA
154
Baader Bank Aktiengesellschaft
Germany
$3.47K
California State Teachers Retirement System (CalSTRS)
155
California State Teachers Retirement System (CalSTRS)
California
$3.42K
PCA
156
Pallas Capital Advisors
Massachusetts
$3.41K
MML Investors Services
157
MML Investors Services
Massachusetts
$3.29K
MAM
158
MMA Asset Management
Pennsylvania
$3.29K
FDCDDQ
159
Federation des caisses Desjardins du Quebec
Quebec, Canada
$2.55K
Jones Financial Companies
160
Jones Financial Companies
Missouri
$2.3K
Royal Bank of Canada
161
Royal Bank of Canada
Ontario, Canada
$2K
EWA
162
EverSource Wealth Advisors
Alabama
$1.96K
IA
163
IFP Advisors
Florida
$1.92K
GFM
164
GF Fund Management
China
$1.7K
AF
165
Allworth Financial
California
$1.58K
FFA
166
Farther Finance Advisors
California
$1.34K
RIL
167
Rothschild Investment LLC
Illinois
$661
Nisa Investment Advisors
168
Nisa Investment Advisors
Missouri
$619
WPA
169
Wealth Preservation Advisors
Tennessee
$494
Osaic Holdings
170
Osaic Holdings
Arizona
$441
SCM
171
Sterling Capital Management
North Carolina
$416
SPIA
172
Steward Partners Investment Advisory
New York
$329
HWA
173
Heritage Wealth Advisors
Virginia
$329
N
174
Natixis
France
$302
SIC
175
SJS Investment Consulting
Ohio
$232