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, Q4 2024
Institutional positions in Gossamer Bio, Inc. as of Dec 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
- 105
- +5 vs. Q3 2024
- Shares held
- 171.4M
- −3.51M (−2.0%) vs. Q3 2024
- Total value
- $155.0M
- −$17.6M (−10.2%) vs. Q3 2024
- New holders
- 18
- 32 more added
- Sold out
- 13
- 27 more reduced
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Octagon Capital Advisors LP | 18,350,000 | $16.6M | 2.83% | +9,162,117+99.7% | Added |
| NEA Management Company, LLC | 18,093,034 | $16.4M | 0.92% | 00.0% | Unchanged |
| Vanguard Group Inc | 10,034,149 | $9.08M | 0.00% | −1,720,248−14.6% | Reduced |
| Alyeska Investment Group, L.P. | 8,808,514 | $7.97M | 0.03% | +3,041,058+52.7% | Added |
| ARCH Venture Management, LLC | 8,055,916 | $7.29M | 3.17% | 00.0% | Unchanged |
| FMR LLC | 7,933,000 | $7.18M | 0.00% | −2,7350.0% | Reduced |
| 683 Capital Management, LLC | 6,975,000 | $6.31M | 0.62% | +1,175,000+20.3% | Added |
| Palo Alto Investors LP | 6,277,093 | $5.68M | 0.88% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 6,171,847 | $5.58M | 1.25% | +526,495+9.3% | Added |
| Samsara BioCapital, LLC | 6,130,268 | $5.55M | 0.76% | 00.0% | Unchanged |
| Monaco Asset Management SAM | 5,371,641 | $4.86M | 2.16% | +1,520,721+39.5% | Added |
| Siren, L.L.C. | 5,208,968 | $4.71M | 0.21% | −8,072,642−60.8% | Reduced |
| Acadian Asset Management LLC | 5,104,760 | $4.62M | 0.01% | +1,156,511+29.3% | Added |
| Eversept Partners, LP | 4,978,458 | $4.50M | 0.46% | 00.0% | Unchanged |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 4,974,041 | $4.50M | 0.16% | 00.0% | Unchanged |
| Opaleye Management Inc. | 4,490,000 | $4.06M | 0.71% | +824,990+22.5% | Added |
| Millennium Management LLC | 3,586,067 | $3.24M | 0.00% | +457,179+14.6% | Added |
| CI Private Wealth, LLC | 3,391,483 | $3.07M | 0.01% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 3,266,960 | $2.96M | 0.11% | 00.0% | Unchanged |
| Platinum Investment Management Ltd | 3,180,295 | $2.88M | 0.17% | −344,613−9.8% | Reduced |
| BlackRock, Inc. | 3,029,209 | $2.74M | 0.00% | +223,567+8.0% | Added |
| Marshall Wace, LLP | 2,534,378 | $2.28M | 0.00% | −950,554−27.3% | Reduced |
| Geode Capital Management, LLC | 2,250,461 | $2.04M | 0.00% | +38,084+1.7% | Added |
| Deutsche Bank AG | 2,112,745 | $1.92M | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 1,712,503 | $1.55M | 0.00% | −32,302−1.9% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,534,668 | $1.39M | 0.00% | −352,844−18.7% | Reduced |
| Laurion Capital Management LP | 1,487,982 | $1.35M | 0.08% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 1,409,262 | $1.27M | 0.32% | −10,000−0.7% | Reduced |
| Charles Schwab Investment Management Inc | 1,241,979 | $1.12M | 0.00% | +13,902+1.1% | Added |
| Two Sigma Advisers, LP | 1,157,500 | $1.05M | 0.00% | +357,500+44.7% | Added |
| Exome Asset Management LLC | 1,097,999 | $993.3K | 0.75% | +629,500+134.4% | Added |
| Two Sigma Investments, LP | 891,279 | $806.3K | 0.00% | +260,318+41.3% | Added |
| Gsa Capital Partners LLP | 862,413 | $780.0K | 0.06% | +794,867+1,176.8% | Added |
| State Street Corp | 768,476 | $695.2K | 0.00% | +55,700+7.8% | Added |
| Woodline Partners LP | 728,459 | $659.0K | 0.00% | −58,829−7.5% | Reduced |
| Qube Research & Technologies Ltd | 695,915 | $629.5K | 0.00% | +467,460+204.6% | Added |
| Allostery Investments LP | 613,028 | $554.5K | 1.09% | +613,028 | New |
| Highbridge Capital Management LLC | 597,694 | $540.7K | 0.02% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 577,874 | $522.7K | 0.00% | +226,913+64.7% | Added |
| Bridgeway Capital Management, LLC | 541,000 | $489.4K | 0.01% | −11,000−2.0% | Reduced |
| Prelude Capital Management, LLC | 414,847 | $375.3K | 0.03% | +310,235+296.6% | Added |
| Northern Trust Corp | 411,326 | $372.1K | 0.00% | +626+0.2% | Added |
| Smith, Moore & Co. | 300,000 | $271.4K | 0.02% | +74,000+32.7% | Added |
| Mackenzie Financial Corp | 299,815 | $271.2K | 0.00% | +249,765+499.0% | Added |
| ADAR1 Capital Management, LLC | 295,613 | $267.4K | 0.06% | −121,345−29.1% | Reduced |
| Victory Capital Management Inc | 265,407 | $240.1K | 0.00% | −9,122−3.3% | Reduced |
| Diametric Capital, LP | 223,770 | $202.4K | 0.14% | −63,489−22.1% | Reduced |
| Diadema Partners LP | 217,987 | $197.2K | 0.22% | +217,987 | New |
| Opti Capital Management, LP | 182,319 | $164.9K | 0.01% | +182,319 | New |
| Schonfeld Strategic Advisors LLC | 154,700 | $139.9K | 0.00% | −81,900−34.6% | Reduced |
| Morgan Stanley | 148,555 | $134.4K | 0.00% | −31,680−17.6% | Reduced |
| Merriman Wealth Management, LLC | 142,269 | $128.7K | 0.01% | +142,269 | New |
| Citadel Advisors LLC | 140,007 | $126.7K | 0.00% | −900,046−86.5% | Reduced |
| Birchview Capital, LP | 138,176 | $125.0K | 0.10% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 134,563 | $121.7K | 0.05% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 118,500 | $107.2K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 114,556 | $103.6K | 0.00% | −616,198−84.3% | Reduced |
| Lazard Asset Management LLC | 107,470 | $97.0K | 0.00% | +106,142+7,992.6% | Added |
| Jefferies Financial Group Inc. | 100,000 | $90.5K | 0.00% | +100,000 | New |
| Bank of America Corp | 84,788 | $76.6K | 0.00% | +43,866+107.2% | Added |
| Financial Advocates Investment Management | 78,616 | $71.1K | 0.00% | −14,934−16.0% | Reduced |
| Velan Capital Investment Management LP | 75,000 | $67.8K | 0.06% | +75,000 | New |
| Group One Trading, L.P. | 74,644 | $67.5K | 0.00% | +63,580+574.7% | Added |
| Persistent Asset Partners Ltd | 65,894 | $65.5K | 0.06% | +65,894 | New |
| Squarepoint Ops LLC | 71,944 | $65.1K | 0.00% | −75,013−51.0% | Reduced |
| Fullcircle Wealth LLC | 47,954 | $62.8K | 0.03% | +47,954 | New |
| Price T Rowe Associates Inc | 64,777 | $59.0K | 0.00% | −6,369,269−99.0% | Reduced |
| RSM US Wealth Management LLC | 48,111 | $43.5K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 47,050 | $42.6K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 46,464 | $42.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 39,655 | $35.9K | 0.00% | 00.0% | Unchanged |
| HB Wealth Management, LLC | 37,700 | $33.2K | 0.00% | +10,200+37.1% | Added |
| Graham Capital Management, L.P. | 34,947 | $31.6K | 0.00% | +34,947 | New |
| Commonwealth Equity Services, LLC | 34,471 | $31.0K | 0.00% | 00.0% | Unchanged |
| Callan Capital, LLC | 30,000 | $27.1K | 0.00% | +30,000 | New |
| Sivia Capital Partners, LLC | 28,018 | $25.3K | 0.01% | −11,000−28.2% | Reduced |
| Advisor Group Holdings, Inc. | 27,444 | $24.7K | 0.00% | +26,095+1,934.4% | Added |
| Silvercrest Asset Management Group LLC | 26,158 | $23.7K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 25,036 | $22.6K | 0.00% | +12,500+99.7% | Added |
| Stephenson National Bank & Trust | 25,000 | $22.6K | 0.01% | +5,000+25.0% | Added |
| Clearstead Advisors, LLC | 22,000 | $19.9K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 21,339 | $19.3K | 0.00% | +21,339 | New |
| Bank of New York Mellon Corp | 20,220 | $18.3K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 19,038 | $17.2K | 0.00% | −130,797−87.3% | Reduced |
| Wolverine Trading, LLC | 18,912 | $16.6K | 0.00% | +8,036+73.9% | Added |
| Cambridge Investment Research Advisors, Inc. | 16,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 14,564 | $13.2K | 0.00% | +2,510+20.8% | Added |
| Traynor Capital Management, Inc. | 14,000 | $12.7K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 12,774 | $11.6K | 0.00% | +12,774 | New |
| Rialto Wealth Management, LLC | 10,752 | $9.73K | 0.00% | +10,752 | New |
| Moors & Cabot, Inc. | 10,000 | $9.05K | 0.00% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 10,000 | $9.05K | 0.00% | +10,000 | New |
| SBI Securities Co., Ltd. | 9,117 | $8.25K | 0.00% | +9,117 | New |
| JPMorgan Chase & Co | 5,138 | $4.65K | 0.00% | +4,444+640.3% | Added |
| R Squared Ltd | 3,360 | $3.04K | 0.00% | +3,360 | New |
| Royal Bank of Canada | 1,505 | $1.00K | 0.00% | −1,846−55.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 1,000 | $905 | 0.00% | +1,000 | New |
| BNP Paribas Arbitrage, SA | 954 | $863 | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 750 | $679 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 400 | $362 | 0.00% | +400 | New |