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 2025
Institutional positions in Gossamer Bio, Inc. as of Mar 31, 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
- 119
- +15 vs. Q4 2024
- Shares held
- 169.6M
- −1.60M (−0.9%) vs. Q4 2024
- Total value
- $186.9M
- +$32.0M (+20.6%) vs. Q4 2024
- New holders
- 24
- 35 more added
- Sold out
- 9
- 30 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Octagon Capital Advisors LP | 18,350,000 | $20.2M | 4.39% | 00.0% | Unchanged |
| NEA Management Company, LLC | 18,093,034 | $19.9M | 1.53% | 00.0% | Unchanged |
| Vanguard Group Inc | 10,083,881 | $11.1M | 0.00% | +49,732+0.5% | Added |
| ARCH Venture Management, LLC | 8,055,916 | $8.78M | 4.26% | 00.0% | Unchanged |
| FMR LLC | 7,592,980 | $8.35M | 0.00% | −340,020−4.3% | Reduced |
| Acadian Asset Management LLC | 6,358,113 | $6.99M | 0.02% | +1,253,353+24.6% | Added |
| Silverarc Capital Management, LLC | 6,320,684 | $6.95M | 1.45% | +148,837+2.4% | Added |
| Palo Alto Investors LP | 6,276,893 | $6.90M | 1.31% | −2000.0% | Reduced |
| Samsara BioCapital, LLC | 6,130,268 | $6.74M | 1.20% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 6,100,000 | $6.71M | 0.68% | −875,000−12.5% | Reduced |
| Siren, L.L.C. | 5,208,968 | $5.73M | 0.32% | 00.0% | Unchanged |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 4,974,041 | $5.47M | 0.15% | 00.0% | Unchanged |
| Monaco Asset Management SAM | 4,849,134 | $5.33M | 2.70% | −522,507−9.7% | Reduced |
| Opaleye Management Inc. | 4,287,415 | $4.72M | 1.05% | −202,585−4.5% | Reduced |
| Alyeska Investment Group, L.P. | 4,163,734 | $4.58M | 0.02% | −4,644,780−52.7% | Reduced |
| Eversept Partners, LP | 3,896,841 | $4.29M | 0.49% | −1,081,617−21.7% | Reduced |
| CI Private Wealth, LLC | 3,391,483 | $3.73M | 0.01% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 3,266,960 | $3.59M | 0.21% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,072,773 | $3.38M | 0.00% | +43,564+1.4% | Added |
| Susquehanna International Group, LLP | 2,916,109 | $3.21M | 0.01% | +2,338,235+404.6% | Added |
| Millennium Management LLC | 2,678,036 | $2.95M | 0.00% | −908,031−25.3% | Reduced |
| Geode Capital Management, LLC | 2,272,448 | $2.50M | 0.00% | +21,987+1.0% | Added |
| Deutsche Bank AG | 2,112,745 | $2.32M | 0.00% | 00.0% | Unchanged |
| Platinum Investment Management Ltd | 1,731,355 | $1.90M | 0.11% | −1,448,940−45.6% | Reduced |
| Marshall Wace, LLP | 1,713,655 | $1.89M | 0.00% | −820,723−32.4% | Reduced |
| Renaissance Technologies LLC | 1,569,155 | $1.73M | 0.00% | −143,348−8.4% | Reduced |
| Laurion Capital Management LP | 1,551,428 | $1.71M | 0.13% | +63,446+4.3% | Added |
| Two Sigma Advisers, LP | 1,287,200 | $1.42M | 0.00% | +129,700+11.2% | Added |
| Two Sigma Investments, LP | 1,275,412 | $1.40M | 0.00% | +384,133+43.1% | Added |
| Charles Schwab Investment Management Inc | 1,138,947 | $1.25M | 0.00% | −103,032−8.3% | Reduced |
| Exome Asset Management LLC | 1,097,999 | $1.21M | 1.08% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 939,603 | $1.03M | 0.00% | +825,047+720.2% | Added |
| DAFNA Capital Management LLC | 907,854 | $998.6K | 0.28% | −501,408−35.6% | Reduced |
| Qube Research & Technologies Ltd | 895,524 | $985.1K | 0.00% | +199,609+28.7% | Added |
| State Street Corp | 882,676 | $970.9K | 0.00% | +114,200+14.9% | Added |
| Arrowstreet Capital, Limited Partnership | 803,815 | $884.2K | 0.00% | +803,815 | New |
| Woodline Partners LP | 728,459 | $801.3K | 0.01% | 00.0% | Unchanged |
| Atom Investors LP | 701,975 | $772.2K | 0.09% | +701,975 | New |
| Colony Group, LLC | 700,000 | $770.0K | 0.00% | +700,000 | New |
| Gsa Capital Partners LLP | 695,553 | $765.0K | 0.07% | −166,860−19.3% | Reduced |
| Jane Street Group, LLC | 683,423 | $751.8K | 0.00% | +670,649+5,250.1% | Added |
| Allostery Investments LP | 613,028 | $674.3K | 0.97% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 560,900 | $617.0K | 0.02% | +19,900+3.7% | Added |
| Highbridge Capital Management LLC | 497,694 | $547.5K | 0.02% | −100,000−16.7% | Reduced |
| Morgan Stanley | 459,533 | $505.5K | 0.00% | +310,978+209.3% | Added |
| Opti Capital Management, LP | 414,152 | $455.6K | 0.03% | +231,833+127.2% | Added |
| Northern Trust Corp | 410,116 | $451.1K | 0.00% | −1,210−0.3% | Reduced |
| HRT Financial LP | 389,452 | $428.0K | 0.00% | +389,452 | New |
| Prelude Capital Management, LLC | 376,802 | $414.5K | 0.04% | −38,045−9.2% | Reduced |
| Mackenzie Financial Corp | 352,473 | $387.7K | 0.00% | +52,658+17.6% | Added |
| Omers Administration Corp | 351,600 | $386.8K | 0.00% | +351,600 | New |
| Silverback Asset Management LLC | – | $385.0K | 0.06% | – | New |
| Smith, Moore & Co. | 300,000 | $330.0K | 0.03% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 289,265 | $318.2K | 0.00% | +289,265 | New |
| Jacobs Levy Equity Management, Inc | 282,264 | $310.5K | 0.00% | −1,252,404−81.6% | Reduced |
| Diadema Partners LP | 269,589 | $296.5K | 0.24% | +51,602+23.7% | Added |
| Victory Capital Management Inc | 264,085 | $290.5K | 0.00% | −1,322−0.5% | Reduced |
| Barclays PLC | 245,100 | $269.6K | 0.00% | +245,000+245,000.0% | Added |
| ADAR1 Capital Management, LLC | 227,228 | $250.0K | 0.05% | −68,385−23.1% | Reduced |
| UBS Group AG | 220,272 | $242.3K | 0.00% | +201,234+1,057.0% | Added |
| Squarepoint Ops LLC | 217,921 | $239.7K | 0.00% | +145,977+202.9% | Added |
| Group One Trading, L.P. | 207,744 | $228.5K | 0.01% | +133,100+178.3% | Added |
| Schonfeld Strategic Advisors LLC | 201,715 | $221.9K | 0.00% | +47,015+30.4% | Added |
| Jain Global LLC | 199,902 | $219.9K | 0.00% | +199,902 | New |
| Cubist Systematic Strategies, LLC | 194,031 | $213.4K | 0.00% | +194,031 | New |
| Bank of America Corp | 163,830 | $180.2K | 0.00% | +79,042+93.2% | Added |
| Citadel Advisors LLC | 156,932 | $172.6K | 0.00% | +16,925+12.1% | Added |
| Birchview Capital, LP | 138,176 | $152.0K | 0.13% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 118,500 | $130.3K | 0.00% | 00.0% | Unchanged |
| Quantessence Capital LLC | 118,349 | $130.2K | 0.03% | +118,349 | New |
| LMR Partners LLP | 115,649 | $127.2K | 0.00% | +115,649 | New |
| ExodusPoint Capital Management, LP | 105,056 | $116.0K | 0.00% | +105,056 | New |
| Jefferies Financial Group Inc. | 100,000 | $110.0K | 0.00% | 00.0% | Unchanged |
| Diametric Capital, LP | 96,113 | $105.7K | 0.13% | −127,657−57.0% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 83,130 | $91.4K | 0.02% | +83,130 | New |
| Financial Advocates Investment Management | 78,616 | $86.5K | 0.01% | 00.0% | Unchanged |
| Velan Capital Investment Management LP | 75,000 | $82.5K | 0.08% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 64,777 | $72.0K | 0.00% | 00.0% | Unchanged |
| Persistent Asset Partners Ltd | 61,984 | $68.2K | 0.06% | −3,910−5.9% | Reduced |
| Catalyst Funds Management Pty Ltd | 52,039 | $57.2K | 0.01% | +52,039 | New |
| RSM US Wealth Management LLC | 48,111 | $52.9K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 47,050 | $51.8K | 0.00% | 00.0% | Unchanged |
| HB Wealth Management, LLC | 46,700 | $51.4K | 0.00% | +9,000+23.9% | Added |
| Tudor Investment Corp Et Al | 46,464 | $51.1K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 43,697 | $48.1K | 0.00% | +43,697 | New |
| Lazard Asset Management LLC | 43,761 | $48.0K | 0.00% | −63,709−59.3% | Reduced |
| Commonwealth Equity Services, LLC | 42,116 | $46.0K | 0.00% | +7,645+22.2% | Added |
| Hudson Bay Capital Management LP | 36,900 | $40.6K | 0.00% | +36,900 | New |
| Virtu Financial LLC | 34,971 | $38.0K | 0.00% | +34,971 | New |
| US Bancorp | 33,487 | $36.8K | 0.00% | −6,168−15.6% | Reduced |
| Sivia Capital Partners, LLC | 30,018 | $33.0K | 0.02% | +2,000+7.1% | Added |
| Graham Capital Management, L.P. | 28,977 | $31.9K | 0.00% | −5,970−17.1% | Reduced |
| Advisor Group Holdings, Inc. | 27,495 | $30.2K | 0.00% | +51+0.2% | Added |
| Silvercrest Asset Management Group LLC | 26,158 | $28.8K | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 23,672 | $26.0K | 0.00% | +23,672 | New |
| Traynor Capital Management, Inc. | 23,272 | $25.6K | 0.00% | +9,272+66.2% | Added |
| Clearstead Advisors, LLC | 22,000 | $24.2K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 20,219 | $22.2K | 0.00% | −10.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 19,300 | $21.0K | 0.00% | +3,300+20.6% | Added |
| JustInvest LLC | 17,019 | $18.7K | 0.00% | +2,455+16.9% | Added |