Gossamer Bio
GOSS
105 hedge funds and large institutions have $155M invested in Gossamer Bio in 2024 Q4 according to their latest regulatory filings, with 18 funds opening new positions, 32 increasing their positions, 27 reducing their positions, and 13 closing their positions.
85% more call options, than puts
Call options by funds: $1.1M | Put options by funds: $598K
38% more first-time investments, than exits
New positions opened: 18 | Existing positions closed: 13
19% more repeat investments, than reductions
Existing positions increased: 32 | Existing positions reduced: 27
5% more funds holding
Funds holding: 100 → 105 (+5)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
1.68% less ownership
Funds ownership: 77.3% → 75.62% (-1.7%)
10% less capital invested
Capital invested by funds: $173M → $155M (-$17.6M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OCA
Octagon Capital Advisors
New York
|
+$7.85M |
| 2 |
Alyeska Investment Group
Chicago,
Illinois
|
+$2.61M |
| 3 |
MAM
Monaco Asset Management
Monaco
|
+$1.3M |
| 4 |
6CM
683 Capital Management
New York
|
+$1.01M |
| 5 |
Acadian Asset Management
Boston,
Massachusetts
|
+$991K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SL
Siren LLC
Greenwich,
Connecticut
|
-$6.92M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$5.46M |
| 3 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$3.02M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
-$1.47M |
| 5 |
TD Asset Management
Toronto,
Ontario, Canada
|
-$880K |
GOSS Hedge Fund Activity: Q4 2024 in Review
105 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in Gossamer Bio (GOSS) for Q4 2024, worth a combined $155M — down 10% from $173M a quarter earlier.
Buyers outnumbered sellers: 18 funds opened new GOSS positions and 13 closed out — a net gain of 5 holders — while 32 added to existing stakes and 27 trimmed.
The largest buyer was Octagon Capital Advisors, adding an estimated $7.85M. The largest seller was Siren LLC, cutting an estimated $6.92M.
- 105 institutional investors held Gossamer Bio (GOSS) as of Q4 2024, up from 100 in Q3 2024.
- Funds reported $155M of Gossamer Bio stock for Q4 2024, down 10% quarter-over-quarter.
- 18 funds opened new Gossamer Bio positions in Q4 2024 and 13 closed out, a net change of +5 holders.
- The largest Gossamer Bio buyer in Q4 2024 was Octagon Capital Advisors, an estimated $7.85M added.
- The largest Gossamer Bio seller in Q4 2024 was Siren LLC, an estimated $6.92M sold.
Based on aggregated 13F filings for Q4 2024.