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, Q1 2024
Institutional positions in Gossamer Bio, Inc. as of Mar 31, 2024. 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
- 109
- +11 vs. Q4 2023
- Shares held
- 197.8M
- −11.4M (−5.5%) vs. Q4 2023
- Total value
- $233.5M
- +$41.5M (+21.6%) vs. Q4 2023
- New holders
- 26
- 26 more added
- Sold out
- 15
- 31 more reduced
Compare with Q4 2023: 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, Q1 2024
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Palo Alto Investors LP | 6,391,775 | $7.54M | 0.85% | +432,887+7.3% | Added |
| Millennium Management LLC | 6,495,420 | $7.66M | 0.01% | +2,270,810+53.8% | Added |
| ARCH Venture Management, LLC | 8,055,916 | $9.51M | 11.84% | 00.0% | Unchanged |
| FMR LLC | 8,189,147 | $9.66M | 0.00% | −4,074,771−33.2% | Reduced |
| Octagon Capital Advisors LP | 9,187,883 | $10.8M | 1.32% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 9,195,404 | $10.9M | 0.28% | 00.0% | Unchanged |
| Vanguard Group Inc | 11,763,784 | $13.9M | 0.00% | +128,150+1.1% | Added |
| Artal Group S.A. | 13,308,968 | $15.7M | 0.40% | +1,250,000+10.4% | Added |
| NEA Management Company, LLC | 15,838,009 | $18.7M | 1.16% | 00.0% | Unchanged |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −4,156,000−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −2,913,216−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −2,000,000−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −838,600−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −379,882−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −58,335−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −53,458−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −39,161−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −31,683−100.0% | Sold out |
| HCR Wealth Advisors | 0 | $0 | 0.00% | −22,000−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −20,700−100.0% | Sold out |
| waypoint wealth counsel | 0 | $0 | 0.00% | −11,758−100.0% | Sold out |
| Arcus Capital Partners, LLC | 0 | $0 | 0.00% | −10,042−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −10,505−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |