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, Q3 2025
Institutional positions in Gossamer Bio, Inc. as of Sep 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
- 164
- +41 vs. Q2 2025
- Shares held
- 180.1M
- +3.30M (+1.9%) vs. Q2 2025
- Total value
- $473.7M
- +$255.7M (+117.3%) vs. Q2 2025
- New holders
- 56
- 49 more added
- Sold out
- 15
- 44 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 17 | $0 | 0.00% | 00.0% | Unchanged |
| Morton Brown Family Wealth, LLC | 25 | $66 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 70 | $184 | 0.00% | +70 | New |
| IFP Advisors, Inc | 159 | $418 | 0.00% | +159 | New |
| True Wealth Design, LLC | 207 | $545 | 0.00% | +207 | New |
| The PNC Financial Services Group, Inc. | 289 | $760 | 0.00% | +289 | New |
| Sterling Capital Management LLC | 460 | $1.21K | 0.00% | +1+0.2% | Added |
| EverSource Wealth Advisors, LLC | 468 | $1.23K | 0.00% | +468 | New |
| Federation des caisses Desjardins du Quebec | 750 | $1.97K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 991 | $2.61K | 0.00% | +991 | New |
| Steward Partners Investment Advisory, LLC | 1,000 | $2.63K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 1,477 | $3.88K | 0.00% | +1,477 | New |
| SBI Securities Co., Ltd. | 5,196 | $13.7K | 0.00% | +4,243+445.2% | Added |
| Amalgamated Bank | 6,486 | $17.0K | 0.00% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 10,000 | $26.3K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 10,200 | $26.8K | 0.00% | +10,200 | New |
| Ciovacco Capital Management LLC | 10,204 | $26.8K | 0.01% | +10,204 | New |
| MML Investors Services, LLC | 10,360 | $27.2K | 0.00% | +10,360 | New |
| GTS Securities LLC | 10,627 | $27.9K | 0.00% | +10,627 | New |
| Rialto Wealth Management, LLC | 10,752 | $28.3K | 0.01% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 10,859 | $28.6K | 0.00% | +10,859 | New |
| California State Teachers Retirement System | 11,859 | $31.2K | 0.00% | +9+0.1% | Added |
| Wolverine Trading, LLC | 11,793 | $33.3K | 0.00% | +11,793 | New |
| Tower Research Capital LLC (TRC) | 12,948 | $34.1K | 0.00% | +10,699+475.7% | Added |
| Brighton Jones LLC | 13,754 | $36.2K | 0.00% | +13,754 | New |
| Brevan Howard Capital Management LP | 14,093 | $37.1K | 0.00% | +14,093 | New |
| Principal Financial Group Inc | 14,578 | $38.3K | 0.00% | +1,070+7.9% | Added |
| Xponance, Inc. | 14,822 | $39.0K | 0.00% | +145+1.0% | Added |
| Mercer Global Advisors Inc | 15,744 | $41.4K | 0.00% | +15,744 | New |
| Ameritas Investment Partners, Inc. | 15,867 | $41.7K | 0.00% | −3,524−18.2% | Reduced |
| Kestra Advisory Services, LLC | 16,000 | $42.1K | 0.00% | +16,000 | New |
| Two Sigma Securities, LLC | 16,337 | $43.0K | 0.01% | +16,337 | New |
| JustInvest LLC | 16,719 | $44.0K | 0.00% | +231+1.4% | Added |
| Jones Financial Companies LLLP | 17,360 | $46.9K | 0.00% | +10,027+136.7% | Added |
| Drive Wealth Management, LLC | 18,200 | $47.9K | 0.01% | −7,274−28.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 19,197 | $48.0K | 0.00% | +19,197 | New |
| Creative Planning | 18,655 | $49.1K | 0.00% | +18,655 | New |
| Susquehanna Portfolio Strategies, LLC | 18,900 | $49.7K | 0.00% | +18,900 | New |
| Fullcircle Wealth LLC | 22,100 | $50.8K | 0.02% | +22,100 | New |
| Voleon Capital Management LP | 19,500 | $51.3K | 0.00% | +19,500 | New |
| HighTower Advisors, LLC | 19,501 | $51.3K | 0.00% | +19,501 | New |
| Evernest Financial Advisors, LLC | 20,000 | $52.6K | 0.01% | +20,000 | New |
| CI Private Wealth, LLC | 20,006 | $52.6K | 0.00% | −3,673,677−99.5% | Reduced |
| CIBC Bancorp USA Inc. | 20,246 | $53.2K | 0.00% | +20,246 | New |
| Legal & General Group Plc | 20,891 | $54.8K | 0.00% | −268−1.3% | Reduced |
| SG Americas Securities, LLC | 21,195 | $56.0K | 0.00% | +21,195 | New |
| Caitong International Asset Management Co., Ltd | 21,637 | $56.9K | 0.04% | +21,637 | New |
| Mariner, LLC | 22,469 | $59.1K | 0.00% | +22,469 | New |
| Cerity Partners LLC | 22,839 | $60.1K | 0.00% | +9,078+66.0% | Added |
| Clearstead Advisors, LLC | 23,884 | $62.8K | 0.00% | +334+1.4% | Added |
| CWM, LLC | 25,017 | $66.0K | 0.00% | +25,017 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 25,449 | $66.9K | 0.00% | +25,449 | New |
| HSBC Holdings PLC | 25,969 | $68.2K | 0.00% | +7,903+43.7% | Added |
| Advisor Group Holdings, Inc. | 28,275 | $70.1K | 0.00% | +126+0.4% | Added |
| Gerber, LLC | 28,249 | $74.3K | 0.05% | +28,249 | New |
| Panagora Asset Management Inc | 29,899 | $78.6K | 0.00% | +29,899 | New |
| Citigroup Inc | 30,015 | $78.9K | 0.00% | −37,419−55.5% | Reduced |
| Sivia Capital Partners, LLC | 31,142 | $81.9K | 0.02% | +1,124+3.7% | Added |
| ProShare Advisors LLC | 32,475 | $85.4K | 0.00% | −6,471−16.6% | Reduced |
| Bank of Nova Scotia | 35,000 | $92.0K | 0.00% | +35,000 | New |
| Voya Investment Management LLC | 36,510 | $96.0K | 0.00% | −17,918−32.9% | Reduced |
| DLD Asset Management, LP | 37,543 | $98.7K | 0.01% | +37,543 | New |
| Letko, Brosseau & Associates Inc | 39,400 | $103.6K | 0.00% | +39,400 | New |
| Lazard Asset Management LLC | 41,700 | $109.7K | 0.00% | −25,662−38.1% | Reduced |
| Commonwealth Equity Services, LLC | 42,671 | $112.0K | 0.00% | +7,400+21.0% | Added |
| New York State Common Retirement Fund | 43,600 | $114.7K | 0.00% | −33,400−43.4% | Reduced |
| Axq Capital, LP | 46,367 | $121.9K | 0.05% | +46,367 | New |
| Tudor Investment Corp Et Al | 50,103 | $131.8K | 0.00% | +3,639+7.8% | Added |
| Prudential Financial Inc | 50,715 | $133.4K | 0.00% | +300+0.6% | Added |
| EntryPoint Capital, LLC | 51,264 | $134.8K | 0.05% | +51,264 | New |
| Police & Firemen's Retirement System of New Jersey | 51,314 | $135.0K | 0.00% | +8,399+19.6% | Added |
| Omers Administration Corp | 59,100 | $155.4K | 0.00% | +59,100 | New |
| SEI Investments Co | 61,186 | $160.9K | 0.00% | +61,186 | New |
| Manufacturers Life Insurance Company, The | 65,379 | $171.9K | 0.00% | −6,682−9.3% | Reduced |
| Graham Capital Management, L.P. | 67,367 | $177.2K | 0.01% | +20,473+43.7% | Added |
| Velan Capital Investment Management LP | 70,000 | $184.1K | 0.17% | −5,000−6.7% | Reduced |
| Group One Trading, L.P. | 74,531 | $196.0K | 0.01% | −158,639−68.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 77,440 | $204.0K | 0.00% | +58,140+301.2% | Added |
| Quadrature Capital Ltd | 79,709 | $209.2K | 0.00% | −16,087−16.8% | Reduced |
| RSM US Wealth Management LLC | 85,111 | $223.8K | 0.00% | +9,000+11.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 87,274 | $229.5K | 0.00% | −16,673−16.0% | Reduced |
| HB Wealth Management, LLC | 94,748 | $249.2K | 0.00% | +94,748 | New |
| BNP Paribas Arbitrage, SA | 96,403 | $253.5K | 0.00% | +79,286+463.2% | Added |
| Alliancebernstein L.P. | 98,680 | $259.5K | 0.00% | +72,260+273.5% | Added |
| Alps Advisors Inc | 99,155 | $260.8K | 0.00% | −23,489−19.2% | Reduced |
| Price T Rowe Associates Inc | 100,658 | $265.0K | 0.00% | +5,367+5.6% | Added |
| Intech Investment Management LLC | 100,847 | $265.2K | 0.00% | +2,544+2.6% | Added |
| MetLife Investment Management | 101,513 | $267.0K | 0.00% | −14,300−12.3% | Reduced |
| Victory Capital Management Inc | 105,226 | $276.7K | 0.00% | −735−0.7% | Reduced |
| Wells Fargo & Company | 116,667 | $306.8K | 0.00% | +18,510+18.9% | Added |
| Sequoia Financial Advisors, LLC | 117,500 | $309.0K | 0.00% | −1,000−0.8% | Reduced |
| Atom Investors LP | 132,552 | $348.6K | 0.03% | −597,805−81.9% | Reduced |
| Merit Financial Group, LLC | 134,688 | $354.2K | 0.00% | +134,688 | New |
| Prelude Capital Management, LLC | 136,200 | $358.2K | 0.03% | −237,969−63.6% | Reduced |
| Birchview Capital, LP | 138,176 | $363.4K | 0.27% | 00.0% | Unchanged |
| LPL Financial LLC | 138,326 | $363.8K | 0.00% | +71,326+106.5% | Added |
| Cubist Systematic Strategies, LLC | 162,785 | $428.1K | 0.01% | +162,785 | New |
| Gsa Capital Partners LLP | 190,815 | $502.0K | 0.04% | −569,633−74.9% | Reduced |
| JPMorgan Chase & Co | 194,369 | $511.2K | 0.00% | +103,922+114.9% | Added |
| Stonepine Capital Management, LLC | 204,770 | $538.5K | 0.44% | +204,770 | New |