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 |
|---|---|---|---|---|---|
| Banco BTG Pactual S.A. | 22,009 | $27.1K | 0.01% | +22,009 | New |
| Legal & General Group Plc | 21,159 | $26.0K | 0.00% | +21,159 | New |
| Cambridge Investment Research Advisors, Inc. | 19,300 | $24.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 19,391 | $23.9K | 0.00% | +19,391 | New |
| HSBC Holdings PLC | 18,066 | $23.0K | 0.00% | +18,066 | New |
| BNP Paribas Arbitrage, SA | 17,117 | $21.1K | 0.00% | +16,198+1,762.6% | Added |
| JustInvest LLC | 16,488 | $20.3K | 0.00% | −531−3.1% | Reduced |
| Xponance, Inc. | 14,677 | $18.1K | 0.00% | +14,677 | New |
| Cerity Partners LLC | 13,761 | $16.9K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 13,508 | $16.6K | 0.00% | +13,508 | New |
| California State Teachers Retirement System | 11,850 | $14.6K | 0.00% | +11,850 | New |
| Rialto Wealth Management, LLC | 10,752 | $13.2K | 0.00% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 10,000 | $12.3K | 0.00% | 00.0% | Unchanged |
| Dauntless Investment Group, LLC | 10,000 | $12.3K | 0.06% | +10,000 | New |
| Jones Financial Companies LLLP | 7,333 | $9.17K | 0.00% | +7,333 | New |
| Amalgamated Bank | 6,486 | $8.00K | 0.00% | +6,486 | New |
| Tower Research Capital LLC (TRC) | 2,249 | $2.77K | 0.00% | −2,885−56.2% | Reduced |
| Steward Partners Investment Advisory, LLC | 1,000 | $1.23K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 953 | $1.17K | 0.00% | −158−14.2% | Reduced |
| Federation des caisses Desjardins du Quebec | 750 | $923 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 459 | $565 | 0.00% | +459 | New |
| Raymond James Financial Inc | 270 | $332 | 0.00% | +270 | New |
| Morton Brown Family Wealth, LLC | 25 | $31 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 17 | $0 | 0.00% | 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 |