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Gossamer Bio
GOSS
GOSS
195 hedge funds and large institutions have $585M invested in Gossamer Bio in 2025 Q4 according to their latest regulatory filings, with 49 funds opening new positions, 69 increasing their positions, 49 reducing their positions, and 14 closing their positions.
New
Increased
Maintained
Reduced
Closed
291% more call options, than puts
Call options by funds: $28.9M | Put options by funds: $7.38M
250% more first-time investments, than exits
New positions opened: 49 | Existing positions closed: 14
41% more repeat investments, than reductions
Existing positions increased: 69 | Existing positions reduced: 49
24% more capital invested
Capital invested by funds: $474M → $585M (+$112M)
19% more funds holding
Funds holding: 164 → 195 (+31)
2.38% more ownership
Funds ownership: 79.21% → 81.58% (+2.4%)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
Holders
195
Holders Change
+31
Holders Change %
+18.9%
% of All Funds
2.37%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
49
Increased
69
Reduced
49
Closed
14
Calls
$28.9M
Puts
$7.38M
Net Calls
+$21.5M
Net Calls Change
-$4.55M
Top Buyers
| 1 |
Corient Private Wealth
Miami,
Florida
|
+$21.9M |
| 2 |
State Street
Boston,
Massachusetts
|
+$15.5M |
| 3 |
BlackRock
New York
|
+$9.16M |
| 4 |
Goldman Sachs
New York
|
+$4.26M |
| 5 |
Two Sigma Investments
New York
|
+$3.17M |
Top Sellers
| 1 |
OCA
Octagon Capital Advisors
New York
|
-$8.94M |
| 2 |
SCM
Silverarc Capital Management
Boston,
Massachusetts
|
-$7.54M |
| 3 |
Renaissance Technologies
New York
|
-$6.62M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$4.51M |
| 5 |
Focus Partners Wealth
Boston,
Massachusetts
|
-$3.49M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
QC
201
Quadrature Capital
London,
United Kingdom
| – | -$209K | -79,709 | Closed |
|
202
Group One Trading
Chicago,
Illinois
| – | -$213K | -74,531 | Closed |
|
|
OAC
203
OMERS Administration Corp
Toronto,
Ontario, Canada
| – | -$155K | -59,100 | Closed |
|
|
DAM
204
DLD Asset Management
New York
| – | -$98.7K | -37,543 | Closed |
|
205
Bank of Nova Scotia
Toronto,
Ontario, Canada
| – | -$92K | -35,000 | Closed |
|
206
HSBC Holdings
London,
United Kingdom
| – | -$68.2K | -25,969 | Closed |
|
|
BJL
207
Brighton Jones LLC
Seattle,
Washington
| – | -$36.2K | -13,754 | Closed |
|
|
GS
208
GTS Securities
New York
| – | -$27.9K | -10,627 | Closed |
|