Latest Institutional Sells of Gossamer Bio, Inc. (GOSS)
This list provides information on the latest institutional transactions involving Gossamer Bio, Inc. (GOSS) stock that were sells. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
- |
-2.53M- 86.88% |
$1.98M - $3.65M
|
383K
$739K
|
|
|
Aug 14, 2025
Q2 2025
|
Eversept Partners, LP
New York, NY |
SELL
|
- |
-2.2M- 56.48% |
$1.72M - $3.17M
|
1.7M
$3.27M
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-2.18M- 81.47% |
$1.7M - $3.14M
|
496K
$958K
|
|
|
Aug 07, 2025
Q2 2025
|
Monaco Asset Management Sam
|
SELL
|
- |
-1.3M- 26.79% |
$1.01M - $1.87M
|
3.55M
$6.85M
|
|
|
Aug 14, 2025
Q2 2025
|
Silverarc Capital Management, LLC
|
SELL
|
- |
-1.17M- 18.57% |
$916K - $1.69M
|
5.15M
$9.93M
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
SELL
|
- |
-779K- 82.9% |
$608K - $1.12M
|
161K
$310K
|
|
|
Aug 14, 2025
Q2 2025
|
Opaleye Management Inc.
Boston, MA |
SELL
|
- |
-742K- 17.32% |
$579K - $1.07M
|
3.55M
$6.84M
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
SELL
|
- |
-646K- 72.11% |
$504K - $930K
|
250K
$482K
|
|
|
Aug 14, 2025
Q2 2025
|
Palo Alto Investors LP
Palo Alto, CA |
SELL
|
- |
-538K- 8.57% |
$420K - $775K
|
5.74M
$11.1M
|
|
|
Jul 18, 2025
Q2 2025
|
Platinum Investment Management LTD
Sydney Australia 2000, C3 |
SELL
|
- |
-347K- 20.07% |
$271K - $500K
|
1.38M
$2.67M
|
|
|
Aug 14, 2025
Q2 2025
|
Woodline Partners LP
San Francisco, CA |
SELL
|
- |
-233K- 32.03% |
$182K - $336K
|
495K
$956K
|
|
|
Aug 14, 2025
Q2 2025
|
Laurion Capital Management LP
New York, NY |
SELL
|
- |
-208K- 13.38% |
$162K - $299K
|
1.34M
$2.59M
|
|
|
Aug 13, 2025
Q2 2025
|
Victory Capital Management Inc
|
SELL
|
- |
-158K- 59.88% |
$123K - $228K
|
106K
$205K
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
SELL
|
- |
-96.8K- 59.06% |
$75.5K - $139K
|
67.1K
$129K
|
|
|
Aug 14, 2025
Q2 2025
|
Bridgeway Capital Management, LLC
Houston, TX |
SELL
|
- |
-75K- 13.37% |
$58.5K - $108K
|
486K
$938K
|
|
|
Aug 14, 2025
Q2 2025
|
Dafna Capital Management LLC
Los Angeles, CA |
SELL
|
- |
-57.9K- 6.38% |
$45.2K - $83.4K
|
850K
$1.64M
|
|
|
Jul 23, 2025
Q2 2025
|
Us Bancorp \De\
|
SELL
|
- |
-9.39K- 28.03% |
$7.32K - $13.5K
|
24.1K
$46.5K
|
|
|
Aug 06, 2025
Q2 2025
|
Commonwealth Equity Services, LLC
|
SELL
|
- |
-6.85K- 16.25% |
$5.34K - $9.86K
|
35.3K
$68.1K
|
|
|
Aug 13, 2025
Q2 2025
|
Diametric Capital, LP
Boston, MA |
SELL
|
- |
-6.73K- 7.0% |
$5.25K - $9.69K
|
89.4K
$173K
|
|
|
Aug 14, 2025
Q2 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
SELL
|
- |
-2.89K- 56.19% |
$2.25K - $4.15K
|
2.25K
$4.34K
|
|
|
Aug 14, 2025
Q2 2025
|
Prelude Capital Management, LLC
New York, NY |
SELL
|
- |
-2.63K- 0.7% |
$2.05K - $3.79K
|
374K
$722K
|
|
|
Aug 13, 2025
Q2 2025
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
SELL
|
- |
-1.25K- 4.55% |
$976 - $1.8K
|
26.2K
$50.7K
|
|
|
Jul 25, 2025
Q2 2025
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
SELL
|
- |
-531- 3.12% |
$414 - $765
|
16.5K
$31.8K
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-400- 0.69% |
$312 - $576
|
57.4K
$111K
|
|
|
Aug 07, 2025
Q2 2025
|
Sbi Securities Co., Ltd.
Tokyo, M0 |
SELL
|
- |
-158- 14.22% |
$123 - $228
|
953
$1.84K
|
|
| Q1 2025 | |||||||
|
May 15, 2025
Q1 2025
|
Marshall Wace, LLP
London, X0 |
SELL
|
- |
-821K- 32.38% |
$698K - $1.26M
|
1.71M
$3.31M
|
|
|
May 12, 2025
Q1 2025
|
Highbridge Capital Management LLC
New York, NY |
SELL
|
- |
-100K- 16.73% |
$85K - $153K
|
498K
$961K
|
|
|
May 15, 2025
Q1 2025
|
Adar1 Capital Management, LLC
Austin, TX |
SELL
|
- |
-68.4K- 23.13% |
$58.1K - $105K
|
227K
$439K
|
|
|
May 15, 2025
Q1 2025
|
Wolverine Trading, LLC
Chicago, IL |
SELL
|
CALL |
-4.7K- 20.26% |
$4K - $7.19K
|
18.5K
$35.7K
|
|
|
May 13, 2025
Q1 2025
|
Persistent Asset Partners LTD
Hong Kong, K3 |
SELL
|
- |
-3.91K- 5.93% |
$3.32K - $5.98K
|
62K
$120K
|
|
|
Apr 14, 2025
Q1 2025
|
Pfs Partners, LLC
Mine Hill, NJ |
SELL
|
- |
-13- 20.63% |
$11 - $19.9
|
50
$96.5
|
|
| Q4 2024 | |||||||
|
Feb 14, 2025
Q4 2024
|
Siren, L.L.C.
New York, NY |
SELL
|
- |
-8.07M- 60.78% |
$5.33M - $8.64M
|
5.21M
$10.1M
|
|
|
Jan 27, 2025
Q4 2024
|
Financial Advocates Investment Management
Olympia, WA |
SELL
|
- |
-14.9K- 15.96% |
$9.86K - $16K
|
78.6K
$152K
|
|
|
Feb 04, 2025
Q4 2024
|
Capital Advisors, Ltd. LLC
|
SELL
|
- |
-124- 87.94% |
$81.8 - $133
|
17
$32.8
|
|
|
Feb 13, 2025
Q4 2024
|
Adar1 Capital Management, LLC
Austin, TX |
SELL
|
CALL |
-102- 0.51% |
$67.3 - $109
|
19.9K
$38.4K
|
|
| Q3 2024 | |||||||
|
Oct 21, 2024
Q3 2024
|
Trellis Wealth Advisors LLC
San Luis Obispo, CA |
SELL
|
- |
-5K- 33.33% |
$3.95K - $6.25K
|
10K
$19.3K
|
|
|
Nov 13, 2024
Q3 2024
|
Federation Des Caisses Desjardins Du Quebec
Levis, A8 |
SELL
|
- |
-40- 5.06% |
$31.6 - $50
|
750
$1.45K
|
|
| Q2 2024 | |||||||
|
Aug 12, 2024
Q2 2024
|
Monashee Investment Management LLC
Boston, MA |
SELL
|
- |
-2.6M- 75.15% |
$1.33M - $3.3M
|
860K
$1.66M
|
|
|
Aug 14, 2024
Q2 2024
|
Sphera Funds Management Ltd.
Tel Aviv, L3 |
SELL
|
- |
-805K- 78.37% |
$411K - $1.02M
|
222K
$429K
|
|
|
Aug 13, 2024
Q2 2024
|
Black Rock Inc.
New York, NY |
SELL
|
- |
-278K- 8.99% |
$142K - $353K
|
2.81M
$5.43M
|
|
|
Aug 08, 2024
Q2 2024
|
Federated Hermes, Inc.
Pittsburgh, PA |
SELL
|
- |
-68K- 2.17% |
$34.7K - $86.3K
|
3.07M
$5.92M
|
|
| Q1 2024 | |||||||
|
May 15, 2024
Q1 2024
|
Madison Avenue Partners, LP
New York, NY |
SELL
|
- |
-914K- 18.08% |
$731K - $1.38M
|
4.14M
$7.99M
|
|
| Q4 2023 | |||||||
|
Feb 14, 2024
Q4 2023
|
Nantahala Capital Management, LLC
New Canaan, CT |
SELL
|
- |
-5.42M- 88.95% |
$2.6M - $5.85M
|
673K
$1.3M
|
|
|
Feb 13, 2024
Q4 2023
|
Armistice Capital, LLC
New York, NY |
SELL
|
- |
-800K- 16.14% |
$384K - $864K
|
4.16M
$8.02M
|
|
|
Jun 30, 2025
Q4 2023
|
Birchview Capital, LP
Burlington, VT |
SELL
|
- |
-70.9K- 33.91% |
$34K - $76.6K
|
138K
$267K
|
|
| Q3 2023 | |||||||
|
Nov 14, 2023
Q3 2023
|
Verition Fund Management LLC
Greenwich, CT |
SELL
|
- |
-70K- 41.18% |
$54.6K - $127K
|
100K
$193K
|
|
|
Oct 17, 2023
Q3 2023
|
Creative One Wealth, LLC
Overland Park, KS |
SELL
|
- |
-3.72K- 11.81% |
$2.9K - $6.76K
|
27.8K
$53.6K
|
|
| Q2 2023 | |||||||
|
Aug 14, 2023
Q2 2023
|
Ergoteles LLC
New York, NY |
SELL
|
- |
-1.71M- 98.75% |
$1.68M - $2.62M
|
21.6K
$41.7K
|
|
|
Aug 14, 2023
Q2 2023
|
Norges Bank
Oslo, Q8 |
SELL
|
- |
-309KClosed |
$303K - $473K
|
0
$0
|
|
|
Aug 10, 2023
Q2 2023
|
Connor, Clark & Lunn Investment Management Ltd.
|
SELL
|
- |
-139K- 52.48% |
$137K - $213K
|
126K
$244K
|
|