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 2026
Institutional positions in Gossamer Bio, Inc. as of Jun 30, 2026. 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
- 170
- −14 vs. Q1 2026
- Shares held
- 370.6M
- +201.1M (+118.7%) vs. Q1 2026
- Total value
- $60.8M
- +$4.63M (+8.2%) vs. Q1 2026
- New holders
- 28
- 62 more added
- Sold out
- 42
- 44 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Beese Fulmer Investment Management, Inc. | 0 | $0 | 0.00% | −11,135−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −10,941−100.0% | Sold out |
| Baader Bank INC | 0 | $0 | 0.00% | −16,077−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −10,399−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| GF Fund Management Co. Ltd. | 0 | $0 | 0.00% | −5,173−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −1,504−100.0% | Sold out |
| Sterling Capital Management LLC | 0 | $0 | 0.00% | −1,265−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −920−100.0% | Sold out |
| Cornerstone Financial Management LLC | 0 | $0 | 0.00% | −282−100.0% | Sold out |
| Morton Brown Family Wealth, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |