Who Owns GOSSAMER BIO INC (GOSS)? -- Institutional Holders (2026-06-30)
222 institutions reported holding $73.7M of GOSSAMER BIO INC (GOSS) in SEC 13F filings for 2026-06-30. Largest institutional holders: TANG CAPITAL MANAGEMENT LLC ($11.5M), D. E. Shaw & Co., Inc. ($6.7M), 683 Capital Management, LLC ($6.5M), DeepCurrents Investment Group LLC ($6.0M), Context Capital Management, LLC ($4.8M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | TANG CAPITAL MANAGEMENT LLC | $11.5M | 0 | New |
| 2 | D. E. Shaw & Co., Inc. | $6.7M | 41.0M | Added |
| 3 | 683 Capital Management, LLC | $6.5M | 39.2M | Added |
| 4 | DeepCurrents Investment Group LLC | $6.0M | 37.7M | Added |
| 5 | Context Capital Management, LLC | $4.8M | 28.9M | Trimmed |
| 6 | Worth Venture Partners, LLC | $4.1M | 25.0M | Added |
| 7 | AQR CAPITAL MANAGEMENT LLC | $2.6M | 15.6M | Added |
| 8 | GSA CAPITAL PARTNERS LLP | $2.5M | 15.0M | Added |
| 9 | WOLVERINE ASSET MANAGEMENT LLC | $2.1M | 12.9M | Trimmed |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $1.9M | 11.6M | Added |
| 11 | VANGUARD GROUP INC | $1.9M | 11.3M | Trimmed |
| 12 | Kalehua Capital Management LLC | $1.8M | 11.1M | Trimmed |
| 13 | ARCH Venture Management, LLC | $1.3M | 8.1M | Hold |
| 14 | BARCLAYS PLC | $1.3M | 7.8M | Added |
| 15 | Octagon Capital Advisors LP | $1.3M | 7.8M | Hold |
| 16 | BlackRock, Inc. | $1.3M | 7.7M | Trimmed |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $1.2M | 7.6M | New |
| 18 | TWO SIGMA INVESTMENTS, LP | $1.2M | 7.4M | Added |
| 19 | SAMSARA BIOCAPITAL, LLC | $1.2M | 7.2M | Hold |
| 20 | Qube Research & Technologies Ltd | $1.2M | 7.1M | Added |
| 21 | Corient Private Wealth LLC | $925,959 | 5.6M | Added |
| 22 | Siren, L.L.C. | $857,396 | 5.2M | Hold |
| 23 | HHLR ADVISORS, LTD. | $818,727 | 5.0M | Hold |
| 24 | Murchinson Ltd. | $642,800 | 0 | Added |
| 25 | UBS Group AG | $510,474 | 3.1M | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30