Gossamer Bio, Inc.
GOSS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001728117
No open-market purchases or sales by Gossamer Bio, Inc. insiders were filed in the last 90 days; 170 institutions reported holding it in 13F filings for Q2 2026, worth $60.8M in total; HHLR Advisors (Hillhouse) is the only superinvestor holding it.
13F holders, Q2 2025
Institutional positions in Gossamer Bio, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 124
- +5 vs. Q1 2025
- Shares held
- 176.8M
- +7.20M (+4.2%) vs. Q1 2025
- Total value
- $218.0M
- +$31.1M (+16.6%) vs. Q1 2025
- New holders
- 32
- 41 more added
- Sold out
- 27
- 24 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GOSS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 170 | $60.8M |
| Q1 2026 | 185 | $56.3M |
| Q4 2025 | 195 | $573.4M |
| Q3 2025 | 164 | $473.7M |
| Q2 2025 | 124 | $218.0M |
| Q1 2025 | 119 | $186.9M |
| Q4 2024 | 105 | $155.0M |
| Q3 2024 | 100 | $172.6M |
| Q2 2024 | 94 | $164.7M |
| Q1 2024 | 109 | $233.5M |
| Q4 2023 | 98 | $192.0M |
| Q3 2023 | 96 | $171.2M |
| Q2 2023 | 99 | $74.4M |
| Q1 2023 | 111 | $97.9M |
| Q4 2022 | 120 | $225.1M |
| Q3 2022 | 160 | $1.02B |
| Q2 2022 | 129 | $533.2M |
| Q1 2022 | 141 | $519.8M |
| Q4 2021 | 133 | $664.9M |
| Q3 2021 | 128 | $687.7M |
| Q2 2021 | 115 | $431.1M |
| Q1 2021 | 123 | $501.9M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Eversept Partners, LP | 1,695,762 | $2.09M | 0.21% | −2,201,079−56.5% | Reduced |
| Two Sigma Investments, LP | 1,745,127 | $2.15M | 0.00% | +469,715+36.8% | Added |
| Deutsche Bank AG | 2,261,455 | $2.78M | 0.00% | +148,710+7.0% | Added |
| State Street Corp | 2,481,406 | $3.05M | 0.00% | +1,598,730+181.1% | Added |
| Renaissance Technologies LLC | 2,732,294 | $3.36M | 0.00% | +1,163,139+74.1% | Added |
| Rock Springs Capital Management LP | 3,266,960 | $4.02M | 0.25% | 00.0% | Unchanged |
| Opaleye Management Inc. | 3,545,000 | $4.36M | 0.88% | −742,415−17.3% | Reduced |
| Monaco Asset Management SAM | 3,550,000 | $4.37M | 1.65% | −1,299,134−26.8% | Reduced |
| CI Private Wealth, LLC | 3,693,683 | $4.54M | 0.01% | +302,200+8.9% | Added |
| Alyeska Investment Group, L.P. | 4,459,087 | $5.48M | 0.02% | +295,353+7.1% | Added |
| Geode Capital Management, LLC | 4,555,080 | $5.60M | 0.00% | +2,282,632+100.4% | Added |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 4,974,041 | $6.12M | 0.20% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 5,146,782 | $6.33M | 1.30% | −1,173,902−18.6% | Reduced |
| Siren, L.L.C. | 5,208,968 | $6.41M | 0.33% | 00.0% | Unchanged |
| Palo Alto Investors LP | 5,739,013 | $7.06M | 1.50% | −537,880−8.6% | Reduced |
| Samsara BioCapital, LLC | 6,130,268 | $7.54M | 1.54% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 6,340,000 | $7.80M | 0.79% | +240,000+3.9% | Added |
| Acadian Asset Management LLC | 7,146,022 | $8.79M | 0.02% | +787,909+12.4% | Added |
| FMR LLC | 7,315,325 | $9.00M | 0.00% | −277,655−3.7% | Reduced |
| ARCH Venture Management, LLC | 8,055,916 | $9.91M | 3.31% | 00.0% | Unchanged |
| Vanguard Group Inc | 11,410,792 | $14.0M | 0.00% | +1,326,911+13.2% | Added |
| BlackRock, Inc. | 12,142,596 | $14.9M | 0.00% | +9,069,823+295.2% | Added |
| NEA Management Company, LLC | 18,093,034 | $22.3M | 1.68% | 00.0% | Unchanged |
| Octagon Capital Advisors LP | 18,350,000 | $22.6M | 4.96% | 00.0% | Unchanged |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −1,713,655−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −683,423−100.0% | Sold out |
| Allostery Investments LP | 0 | $0 | 0.00% | −613,028−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −389,452−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −351,600−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −289,265−100.0% | Sold out |
| Diadema Partners LP | 0 | $0 | 0.00% | −269,589−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −217,921−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −199,902−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −194,031−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −118,349−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −115,649−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −105,056−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −83,130−100.0% | Sold out |
| Financial Advocates Investment Management | 0 | $0 | 0.00% | −78,616−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −61,984−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −52,039−100.0% | Sold out |
| HB Wealth Management, LLC | 0 | $0 | 0.00% | −46,700−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −36,900−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −34,971−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −23,672−100.0% | Sold out |
| Traynor Capital Management, Inc. | 0 | $0 | 0.00% | −23,272−100.0% | Sold out |
| CTC Alternative Strategies, Ltd. | 0 | $0 | 0.00% | −16,600−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −12,700−100.0% | Sold out |
| Moors & Cabot, Inc. | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| PFS Partners, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |