Gossamer BioGOSS
13F holders, Q4 2024 (December 31)105holders +5
12new positions
13sold out
4famous investors
$0.90avg. 13F price*
At the end of Q4 2024, 105 institutions reported holding Gossamer Bio Inc. (GOSS) in their 13F filings, up 5 from Q3 2024. 12 opened new positions and 13 sold out. The largest holders were Octagon Capital Advisors LP ($16.6M), NEA Management Company, LLC ($16.4M) and Vanguard Group Inc. ($9.1M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Gossamer Bio Inc.
- CUSIP
- 38341P102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $615K |
| Exits | 13 | $6.2M |
All 13F filers, Q3 2024 → Q4 2024: 22,506,883 shares bought and 26,940,187 shares sold, net −4,433,304 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 105 holders
| Octagon Capital Advisors LP | 2.83% | Add +99.7% | 18,350,000 | $16.6M |
| NEA Management Company, LLC | 0.92% | No change | 18,093,034 | $16.4M |
| Vanguard Group Inc. | 0.00% | Reduce -14.6% | 10,034,149 | $9.1M |
| Alyeska Investment Group, L.P. | 0.03% | Add +52.7% | 8,808,514 | $8.0M |
| ARCH Venture Management, LLC | 3.17% | No change | 8,055,916 | $7.3M |
| FMR LLC | 0.00% | Reduce -0.0% | 7,933,000 | $7.2M |
| 683 Capital Management, LLC | 0.69% | Add +20.3% | 6,975,000 | $6.3M |
| Palo Alto Investors LP | 0.88% | No change | 6,277,093 | $5.7M |
| Silverarc Capital Management, LLC | 1.25% | Add +9.3% | 6,171,847 | $5.6M |
| Samsara Biocapital, LLC | 0.76% | No change | 6,130,268 | $5.5M |
| Monaco Asset Management SAM | 2.16% | Add +39.5% | 5,371,641 | $4.9M |
| Siren, L.L.C. | 0.21% | Reduce -60.8% | 5,208,968 | $4.7M |
| Acadian Asset Management LLC | 0.01% | Add +29.3% | 5,104,760 | $4.6M |
| Eversept Partners, LP | 0.46% | No change | 4,978,458 | $4.5M |
| HHLR Advisors, LTD. | 0.16% | No change | 4,974,041 | $4.5M |
| Opaleye Management Inc. | 0.72% | Add +22.5% | 4,490,000 | $4.1M |
| Millennium Management | 0.00% | Add +14.6% | 3,586,067 | $3.2M |
| Corient Private Wealth LP | 0.01% | No change | 3,391,483 | $3.1M |
| Rock Springs Capital Management LP | 0.11% | No change | 3,266,960 | $3.0M |
| Platinum Investment Management Ltd. | 0.17% | Reduce -9.8% | 3,180,295 | $2.9M |
| BlackRock, Inc. | 0.00% | Add +8.0% | 3,029,209 | $2.7M |
| Marshall Wace, LLP | 0.00% | Reduce -27.3% | 2,534,378 | $2.3M |
| Geode Capital Management, LLC | 0.00% | Add +1.7% | 2,250,461 | $2.0M |
| Deutsche Bank AG | 0.00% | No change | 2,112,745 | $1.9M |
| Renaissance Technologies | 0.00% | Reduce -1.9% | 1,712,503 | $1.5M |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -18.7% | 1,534,668 | $1.4M |
| Laurion Capital Management LP | 0.09% | No change | 1,487,982 | $1.3M |
| DAFNA Capital Management LLC | 0.33% | Reduce -0.7% | 1,409,262 | $1.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.1% | 1,241,979 | $1.1M |
| Two Sigma Advisers, LP | 0.00% | Add +44.7% | 1,157,500 | $1.0M |
| Exome Asset Management LLC | 0.75% | Add +134.4% | 1,097,999 | $993K |
| Two Sigma Investments, LP | 0.00% | Add +41.3% | 891,279 | $806K |
| Gsa Capital Partners LLP | 0.06% | Add +1176.8% | 862,413 | $780K |
| State Street Corp. | 0.00% | Add +7.8% | 768,476 | $695K |
| Woodline Partners LP | 0.00% | Reduce -7.5% | 728,459 | $659K |
| Qube Research & Technologies Ltd | 0.00% | Add +204.6% | 695,915 | $630K |
| Allostery Investments LP | 1.09% | — | 613,028 | $555K |
| Highbridge Capital Management LLC | 0.08% | No change | 597,694 | $541K |
| Susquehanna International Group, LLP | 0.00% | Add +64.7% | 577,874 | $523K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -2.0% | 541,000 | $489K |
| Prelude Capital Management, LLC | 0.03% | Add +296.6% | 414,847 | $375K |
| Northern Trust Corp. | 0.00% | Add +0.1% | 411,326 | $372K |
| Smith, Moore & Co. | 0.02% | Add +32.7% | 300,000 | $271K |
| Mackenzie Financial Corp. | 0.00% | Add +499.0% | 299,815 | $271K |
| ADAR1 Capital Management, LLC | 0.06% | Reduce -29.1% | 295,613 | $267K |
| Victory Capital Management Inc. | 0.00% | Reduce -3.3% | 265,407 | $240K |
| Diametric Capital, LP | 0.14% | Reduce -22.1% | 223,770 | $202K |
| Diadema Partners LP | 0.22% | — | 217,987 | $197K |
| Opti Capital Management, LP | 66.11% | New | 182,319 | $165K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -34.6% | 154,700 | $140K |
| Morgan Stanley | 0.00% | Reduce -17.6% | 148,555 | $134K |
| Merriman Wealth Management, LLC | 0.01% | New | 142,269 | $129K |
| Citadel Advisors | 0.00% | Reduce -86.5% | 140,007 | $127K |
| Birchview Capital, LP | 0.10% | No change | 138,176 | $125K |
| Aster Capital Management (DIFC) Ltd | 0.05% | No change | 134,563 | $122K |
| Sequoia Financial Advisors, LLC | 0.00% | No change | 118,500 | $107K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -84.3% | 114,556 | $104K |
| Lazard Asset Management LLC | 0.00% | Add +7992.6% | 107,470 | $97K |
| Jefferies Financial Group Inc. | 0.00% | New | 100,000 | $90K |
| Bank of America Corp. | 0.00% | Add +107.2% | 84,788 | $77K |
| Financial Advocates Investment Management | 0.00% | Reduce -16.0% | 78,616 | $71K |
| Velan Capital Investment Management LP | 0.06% | New | 75,000 | $68K |
| Group One Trading LLC | 0.00% | Add +574.7% | 74,644 | $68K |
| Persistent Asset Partners Ltd | 0.06% | — | 65,894 | $65K |
| Squarepoint Ops LLC | 0.00% | Reduce -51.0% | 71,944 | $65K |
| Fullcircle Wealth LLC | 0.03% | New | 47,954 | $63K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -99.0% | 64,777 | $59K |
| Choreo, LLC | 0.00% | No change | 48,111 | $44K |
| Prudential Financial Inc. | 0.00% | No change | 47,050 | $43K |
| Tudor Investment Corporation | 0.00% | No change | 46,464 | $42K |
| US Bancorp \de | 0.00% | No change | 39,655 | $36K |
| HB Wealth Management, LLC | 0.00% | Add +37.1% | 37,700 | $33K |
| Graham Capital Management, L.P. | 0.00% | New | 34,947 | $32K |
| Commonwealth Equity Services, LLC | 0.00% | No change | 34,471 | $31K |
| Callan Capital, LLC | 0.00% | New | 30,000 | $27K |
| Sivia Capital Partners, LLC | 0.01% | Reduce -28.2% | 28,018 | $25K |
| Osaic Holdings, Inc. | 0.00% | Add +1934.4% | 27,444 | $25K |
| Silvercrest Asset Management Group LLC | 0.00% | No change | 26,158 | $24K |
| Cetera Investment Advisers | 0.00% | Add +99.7% | 25,036 | $23K |
| Steph & Co. | 0.01% | Add +25.0% | 25,000 | $23K |
| Clearstead Advisors, LLC | 0.00% | No change | 22,000 | $20K |
| XTX Topco Ltd | 0.00% | New | 21,339 | $19K |
| Bank of New York Mellon Corp | 0.00% | No change | 20,220 | $18K |
| UBS Group AG | 0.00% | Reduce -87.3% | 19,038 | $17K |
| Wolverine Trading, LLC | 0.00% | Add +73.9% | 18,912 | $17K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | No change | 16,000 | $14K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Add +20.8% | 14,564 | $13K |
| Traynor Capital Management, Inc. | 0.00% | No change | 14,000 | $13K |
| Jane Street Group, LLC | 0.00% | New | 12,774 | $12K |
| Rialto Wealth Management, LLC | 0.00% | — | 10,752 | $10K |
| Texas Yale Capital Corp. | 0.00% | New | 10,000 | $9K |
| Moors & Cabot, Inc. | 0.00% | No change | 10,000 | $9K |
| SBI Securities Co., Ltd. | 0.00% | — | 9,117 | $8K |
| JPMorgan Chase & Co. | 0.00% | Add +640.4% | 5,138 | $5K |
| R Squared Ltd | 0.00% | — | 3,360 | $3K |
| Royal Bank of Canada | 0.00% | Reduce -55.1% | 1,505 | $1K |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 1,000 | $905 |
| BNP Paribas Financial Markets | 0.00% | No change | 954 | $863 |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 750 | $679 |
| Farther Finance Advisors, LLC | 0.00% | New | 400 | $362 |
"% of holder's portfolio" is GOSS's weight in each manager's 13F, not the share of Gossamer Bio Inc. the manager owns.