Gossamer BioGOSS
13F holders, Q3 2024 (September 30)100holders +6
14new positions
10sold out
4famous investors
$0.99avg. 13F price*
At the end of Q3 2024, 100 institutions reported holding Gossamer Bio Inc. (GOSS) in their 13F filings, up 6 from Q2 2024. 14 opened new positions and 10 sold out. The largest holders were NEA Management Company, LLC ($17.9M), Siren, L.L.C. ($13.1M) and Vanguard Group Inc. ($11.6M). 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 Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Gossamer Bio Inc.
- CUSIP
- 38341P102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $1.0M |
| Exits | 10 | $12.4M |
All 13F filers, Q2 2024 → Q3 2024: 5,675,362 shares bought and 27,061,666 shares sold, net −21,386,304 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 100 holders
| NEA Management Company, LLC | 0.98% | No change | 18,093,034 | $17.9M |
| Siren, L.L.C. | 0.66% | — | 13,281,610 | $13.1M |
| Vanguard Group Inc. | 0.00% | Reduce -0.1% | 11,754,397 | $11.6M |
| Octagon Capital Advisors LP | 1.45% | No change | 9,187,883 | $9.1M |
| ARCH Venture Management, LLC | 3.05% | No change | 8,055,916 | $7.9M |
| FMR LLC | 0.00% | Add +0.1% | 7,935,735 | $7.8M |
| T. Rowe Price Associates Inc. | 0.00% | Add +17.1% | 6,434,046 | $6.3M |
| Palo Alto Investors LP | 0.80% | No change | 6,277,093 | $6.2M |
| Samsara Biocapital, LLC | 1.16% | No change | 6,130,268 | $6.0M |
| 683 Capital Management, LLC | 0.65% | Add +0.9% | 5,800,000 | $5.7M |
| Alyeska Investment Group, L.P. | 0.03% | Add +5.1% | 5,767,456 | $5.7M |
| Silverarc Capital Management, LLC | 1.25% | Add +2.6% | 5,645,352 | $5.6M |
| Eversept Partners, LP | 0.38% | Reduce -9.2% | 4,978,458 | $4.9M |
| HHLR Advisors, LTD. | 0.11% | No change | 4,974,041 | $4.9M |
| Acadian Asset Management LLC | 0.01% | Add +9.9% | 3,948,249 | $3.9M |
| Monaco Asset Management SAM | 1.59% | Add +41.3% | 3,850,920 | $3.8M |
| Opaleye Management Inc. | 0.63% | Reduce -6.3% | 3,665,010 | $3.7M |
| Platinum Investment Management Ltd. | 0.16% | No change | 3,524,908 | $3.5M |
| Marshall Wace, LLP | 0.00% | Add +4.5% | 3,484,932 | $3.5M |
| Corient Private Wealth LP | 0.01% | No change | 3,391,483 | $3.3M |
| Rock Springs Capital Management LP | 0.10% | No change | 3,266,960 | $3.2M |
| Millennium Management | 0.00% | Reduce -44.1% | 3,128,888 | $3.1M |
| Federated Hermes, Inc. | 0.01% | No change | 3,065,136 | $3.0M |
| BlackRock, Inc. | 0.00% | — | 2,805,642 | $2.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -3.1% | 2,212,377 | $2.2M |
| Deutsche Bank AG | 0.00% | Reduce -44.5% | 2,112,745 | $2.1M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Add +30.7% | 1,887,512 | $1.9M |
| Renaissance Technologies | 0.00% | Reduce -14.8% | 1,744,805 | $1.7M |
| Laurion Capital Management LP | 0.10% | Reduce -39.6% | 1,487,982 | $1.5M |
| DAFNA Capital Management LLC | 0.33% | Add +0.7% | 1,419,262 | $1.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.7% | 1,228,077 | $1.2M |
| Citadel Advisors | 0.00% | Reduce -74.6% | 1,040,053 | $1.0M |
| TD Asset Management Inc | 0.00% | Add +42.8% | 916,250 | $880K |
| Monashee Investment Management LLC | 0.09% | No change | 859,854 | $848K |
| Two Sigma Advisers, LP | 0.00% | Reduce -2.9% | 800,000 | $789K |
| Woodline Partners LP | 0.01% | Add +0.7% | 787,288 | $777K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -65.5% | 730,754 | $721K |
| State Street Corp. | 0.00% | No change | 712,776 | $703K |
| Nantahala Capital Management, LLC | 0.06% | No change | 672,856 | $664K |
| Citigroup Inc. | 0.00% | Add +31.6% | 657,838 | $649K |
| Two Sigma Investments, LP | 0.00% | Add +103.5% | 630,961 | $622K |
| Highbridge Capital Management LLC | 0.10% | No change | 597,694 | $590K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 552,000 | $544K |
| Exome Asset Management LLC | 0.31% | Reduce -58.5% | 468,499 | $462K |
| ADAR1 Capital Management, LLC | 0.07% | Reduce -21.7% | 416,958 | $411K |
| Northern Trust Corp. | 0.00% | Reduce -6.9% | 410,700 | $405K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +24.1% | 385,133 | $380K |
| Susquehanna International Group, LLP | 0.00% | Add +5.2% | 350,961 | $346K |
| Diametric Capital, LP | 0.14% | New | 287,259 | $283K |
| Victory Capital Management Inc. | 0.00% | Reduce -2.3% | 274,529 | $271K |
| State of Wyoming | 0.03% | New | 242,649 | $239K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -79.5% | 236,600 | $233K |
| Qube Research & Technologies Ltd | 0.00% | Add +25.8% | 228,455 | $225K |
| Smith, Moore & Co. | 0.02% | No change | 226,000 | $223K |
| Morgan Stanley | 0.00% | Reduce -7.4% | 180,235 | $178K |
| UBS Group AG | 0.00% | Add +332866.7% | 149,835 | $148K |
| Squarepoint Ops LLC | 0.00% | New | 146,957 | $145K |
| Birchview Capital, LP | 0.12% | No change | 138,176 | $136K |
| Aster Capital Management (DIFC) Ltd | 0.03% | — | 134,563 | $133K |
| Algert Global LLC | 0.00% | Add +42.5% | 119,062 | $117K |
| Sequoia Financial Advisors, LLC | 0.00% | Add +26.7% | 118,500 | $117K |
| Prelude Capital Management, LLC | 0.01% | New | 104,612 | $103K |
| Financial Advocates Investment Management | 0.01% | Reduce -12.4% | 93,550 | $92K |
| Gsa Capital Partners LLP | 0.01% | New | 67,546 | $67K |
| Choreo, LLC | 0.00% | No change | 48,111 | $51K |
| Mackenzie Financial Corp. | 0.00% | New | 50,050 | $49K |
| Prudential Financial Inc. | 0.00% | New | 47,050 | $46K |
| Tudor Investment Corporation | 0.00% | No change | 46,464 | $46K |
| Bank of America Corp. | 0.00% | Reduce -3.2% | 40,922 | $40K |
| US Bancorp \de | 0.00% | New | 39,655 | $39K |
| Sivia Capital Partners, LLC | 0.02% | Add +11.4% | 39,018 | $38K |
| Commonwealth Equity Services, LLC | 0.00% | Add +10.6% | 34,471 | $34K |
| HB Wealth Management, LLC | 0.00% | New | 27,500 | $27K |
| Silvercrest Asset Management Group LLC | 0.00% | Add +31.4% | 26,158 | $26K |
| Clearstead Advisors, LLC | 0.00% | No change | 22,000 | $22K |
| Barclays PLC | 0.00% | Reduce -97.3% | 21,064 | $21K |
| Bank of New York Mellon Corp | 0.00% | Add +0.0% | 20,220 | $20K |
| Steph & Co. | 0.01% | New | 20,000 | $20K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | No change | 16,000 | $16K |
| Traynor Capital Management, Inc. | 0.00% | Add +40.0% | 14,000 | $14K |
| Cetera Investment Advisers | 0.00% | No change | 12,536 | $12K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -26.0% | 12,054 | $12K |
| Group One Trading LLC | 0.00% | New | 11,064 | $11K |
| Wolverine Trading, LLC | 0.00% | Reduce -43.7% | 10,876 | $10K |
| Trellis Wealth Advisors LLC | 0.00% | Reduce -33.3% | 10,000 | $10K |
| Moors & Cabot, Inc. | 0.00% | No change | 10,000 | $10K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -76.2% | 4,456 | $4K |
| Royal Bank of Canada | 0.00% | Reduce -7.3% | 3,351 | $3K |
| Mfa Wealth Advisors, LLC | 0.00% | No change | 1,872 | $2K |
| Osaic Holdings, Inc. | 0.00% | No change | 1,349 | $1K |
| Lazard Asset Management LLC | 0.00% | New | 1,328 | $1K |
| CIBC Private Wealth Group LLC | 0.00% | New | 1,000 | $986 |
| BNP Paribas Financial Markets | 0.00% | No change | 954 | $941 |
| Federation des caisses Desjardins du Quebec | 0.00% | Reduce -5.1% | 750 | $740 |
| JPMorgan Chase & Co. | 0.00% | No change | 694 | $685 |
| Wells Fargo & Company | 0.00% | Reduce -34.0% | 264 | $260 |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 261 | $257 |
| PFS Partners, LLC | 0.00% | Reduce -1.5% | 128 | $127 |
| Morton Brown Family Wealth, LLC | 0.00% | No change | 25 | $25 |
| Capital Advisors, Ltd. LLC | 0.00% | Reduce -31.6% | 141 | $0 |
"% of holder's portfolio" is GOSS's weight in each manager's 13F, not the share of Gossamer Bio Inc. the manager owns.