GOSS icon

Gossamer Bio

164 hedge funds and large institutions have $474M invested in Gossamer Bio in 2025 Q3 according to their latest regulatory filings, with 56 funds opening new positions, 49 increasing their positions, 44 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

33% more funds holding

Funds holding: 123164 (+41)

11% more repeat investments, than reductions

Existing positions increased: 49 | Existing positions reduced: 44

1.41% more ownership

Funds ownership: 77.79%79.21% (+1.4%)

Holders
164
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
$26.8M
Puts
$738K
Net Calls
Net Calls Change

Top Buyers

1 +$8.4M
2 +$6.88M
3 +$6.2M
4
UBS Group
UBS Group
Switzerland
+$5.42M
5
BlackRock
BlackRock
New York
+$3.75M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$110K
102
$104K
103
$98.7K
104
$96K
105
$92K
106
$85.4K
107
$81.9K
108
$78.9K
109
$78.6K
110
$74.3K
111
$70.1K
112
$68.2K
113
$66.9K
114
$66K
115
$62.8K
116
$60.1K
117
$59.1K
118
$56.9K
119
$56K
120
$54.8K
121
$53.2K
122
$52.6K
123
$52.6K
124
$51.3K
125
$51.3K