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 2023
Institutional positions in Gossamer Bio, Inc. as of Mar 31, 2023. 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
- 111
- −9 vs. Q4 2022
- Shares held
- 77.7M
- −26.1M (−25.1%) vs. Q4 2022
- Total value
- $97.9M
- −$127.3M (−56.5%) vs. Q4 2022
- New holders
- 24
- 29 more added
- Sold out
- 33
- 42 more reduced
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Acadian Asset Management LLC | 2,213,387 | $2.79M | 0.01% | +759,647+52.3% | Added |
| Platinum Investment Management Ltd | 2,363,170 | $2.98M | 0.10% | +2,363,170 | New |
| Citadel Advisors LLC | 2,794,717 | $3.52M | 0.00% | +2,794,717 | New |
| Artal Group S.A. | 3,028,171 | $3.81M | 0.23% | −218,453−6.7% | Reduced |
| Boxer Capital, LLC | 3,336,928 | $4.21M | 0.21% | 00.0% | Unchanged |
| Palo Alto Investors LP | 3,465,152 | $4.37M | 0.36% | +3,427,402+9,079.2% | Added |
| NEA Management Company, LLC | 3,467,406 | $4.37M | 0.30% | 00.0% | Unchanged |
| BlackRock Inc. | 4,793,679 | $6.04M | 0.00% | −619,344−11.4% | Reduced |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 4,974,041 | $6.27M | 0.11% | 00.0% | Unchanged |
| Millennium Management LLC | 5,460,380 | $6.88M | 0.01% | +834,869+18.0% | Added |
| Vanguard Group Inc | 6,549,751 | $8.25M | 0.00% | −1,410,106−17.7% | Reduced |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −3,643,174−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −2,771,503−100.0% | Sold out |
| Madison Avenue Partners, LP | 0 | $0 | 0.00% | −711,178−100.0% | Sold out |
| Prosight Management, LP | 0 | $0 | 0.00% | −265,000−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −145,237−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −124,800−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −109,084−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −96,795−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −58,938−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −54,020−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −46,500−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −34,903−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −33,911−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −17,071−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −16,372−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −15,760−100.0% | Sold out |
| Arizona State Retirement System | 0 | $0 | 0.00% | −14,581−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −14,473−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −12,808−100.0% | Sold out |
| Pictet Asset Management SA | 0 | $0 | 0.00% | −10,083−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −10,123−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −5,906−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −5,642−100.0% | Sold out |
| Denali Advisors LLC | 0 | $0 | 0.00% | −4,600−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −3,952−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −601−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −182−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −145−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −4−100.0% | Sold out |