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 2025
Institutional positions in Gossamer Bio, Inc. as of Dec 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
- 195
- +35 vs. Q3 2025
- Shares held
- 185.0M
- +5.10M (+2.8%) vs. Q3 2025
- Total value
- $573.4M
- +$100.3M (+21.2%) vs. Q3 2025
- New holders
- 49
- 69 more added
- Sold out
- 14
- 49 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Velan Capital Investment Management LP | 70,000 | $217.0K | 0.13% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 66,494 | $206.1K | 0.00% | +46,993+241.0% | Added |
| Mariner, LLC | 64,450 | $199.9K | 0.00% | +41,981+186.8% | Added |
| Axq Capital, LP | 63,117 | $195.7K | 0.04% | +16,750+36.1% | Added |
| Rockefeller Capital Management L.P. | 60,866 | $188.7K | 0.00% | +50,666+496.7% | Added |
| Voleon Capital Management LP | 60,235 | $186.7K | 0.00% | +40,735+208.9% | Added |
| Manufacturers Life Insurance Company, The | 58,441 | $181.2K | 0.00% | −6,938−10.6% | Reduced |
| Lazard Asset Management LLC | 56,668 | $175.7K | 0.00% | +14,968+35.9% | Added |
| Gsa Capital Partners LLP | 51,860 | $161.0K | 0.01% | −138,955−72.8% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 51,314 | $159.1K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 51,129 | $158.5K | 0.00% | +51,129 | New |
| Tudor Investment Corp Et Al | 50,000 | $155.0K | 0.00% | −103−0.2% | Reduced |
| Citigroup Inc | 49,212 | $152.6K | 0.00% | +19,197+64.0% | Added |
| China Universal Asset Management Co., Ltd. | 47,716 | $147.9K | 0.01% | +47,716 | New |
| Creative Planning | 45,611 | $141.4K | 0.00% | +26,956+144.5% | Added |
| ProShare Advisors LLC | 45,338 | $140.5K | 0.00% | +12,863+39.6% | Added |
| New York State Common Retirement Fund | 43,600 | $135.2K | 0.00% | 00.0% | Unchanged |
| Letko, Brosseau & Associates Inc | 39,400 | $122.1K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 37,615 | $116.6K | 0.00% | −13,100−25.8% | Reduced |
| Oppenheimer & Co Inc | 37,500 | $116.3K | 0.00% | +37,500 | New |
| Voya Investment Management LLC | 36,510 | $113.2K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 36,467 | $113.0K | 0.00% | −30,900−45.9% | Reduced |
| Sivia Capital Partners, LLC | 35,042 | $108.6K | 0.02% | +3,900+12.5% | Added |
| Vickerman Investment Advisors, Inc. | 34,787 | $107.8K | 0.02% | +34,787 | New |
| Cetera Investment Advisers | 34,249 | $106.2K | 0.00% | +34,249 | New |
| CWM, LLC | 33,957 | $105.0K | 0.00% | +8,940+35.7% | Added |
| Cerity Partners LLC | 31,914 | $98.9K | 0.00% | +9,075+39.7% | Added |
| Mangrove Partners | 30,747 | $95.3K | 0.01% | +30,747 | New |
| Gerber, LLC | 28,249 | $87.6K | 0.05% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 27,091 | $84.0K | 0.02% | +5,454+25.2% | Added |
| Two Sigma Securities, LLC | 27,056 | $83.9K | 0.01% | +10,719+65.6% | Added |
| AlphaCore Capital LLC | 26,377 | $81.8K | 0.00% | +26,377 | New |
| State of Wisconsin Investment Board | 26,304 | $81.5K | 0.00% | +26,304 | New |
| Mercer Global Advisors Inc | 23,983 | $74.3K | 0.00% | +8,239+52.3% | Added |
| Clearstead Advisors, LLC | 23,667 | $73.4K | 0.00% | −217−0.9% | Reduced |
| Drive Wealth Management, LLC | 21,320 | $66.1K | 0.01% | +3,120+17.1% | Added |
| Evernest Financial Advisors, LLC | 28,400 | $64.2K | 0.01% | +8,400+42.0% | Added |
| Legal & General Group Plc | 20,281 | $62.9K | 0.00% | −610−2.9% | Reduced |
| Jones Financial Companies LLLP | 19,766 | $61.3K | 0.00% | +2,406+13.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 23,964 | $59.3K | 0.00% | +4,767+24.8% | Added |
| Tower Research Capital LLC (TRC) | 17,235 | $53.4K | 0.00% | +4,287+33.1% | Added |
| JustInvest LLC | 16,119 | $50.0K | 0.00% | −600−3.6% | Reduced |
| Kestra Advisory Services, LLC | 16,000 | $49.6K | 0.00% | 00.0% | Unchanged |
| Nomura Holdings Inc | 16,000 | $49.6K | 0.00% | +16,000 | New |
| Ameritas Investment Partners, Inc. | 15,867 | $49.2K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 14,897 | $46.2K | 0.00% | +75+0.5% | Added |
| Eaton Financial Holdings Company, LLC | 14,199 | $44.0K | 0.01% | +14,199 | New |
| Hudson Bay Capital Management LP | 14,180 | $44.0K | 0.00% | +14,180 | New |
| Gladstone Institutional Advisory LLC | 14,170 | $43.9K | 0.00% | +14,170 | New |
| Sherbrooke Park Advisers LLC | 13,347 | $41.4K | 0.11% | +13,347 | New |
| O'Shaughnessy Asset Management, LLC | 13,107 | $40.6K | 0.00% | +13,107 | New |
| CIBC World Markets Corp | 12,712 | $39.4K | 0.00% | +12,712 | New |
| Janney Montgomery Scott LLC | 12,700 | $39.0K | 0.00% | +12,700 | New |
| Neuberger Berman Group LLC | 12,558 | $38.9K | 0.00% | +12,558 | New |
| California State Teachers Retirement System | 11,830 | $36.7K | 0.00% | −29−0.2% | Reduced |
| Principal Financial Group Inc | 11,422 | $35.4K | 0.00% | −3,156−21.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 11,247 | $34.9K | 0.00% | +11,247 | New |
| Ieq Capital, LLC | 11,211 | $34.8K | 0.00% | +11,211 | New |
| Beacon Pointe Advisors, LLC | 11,000 | $34.1K | 0.00% | +11,000 | New |
| RMB Capital Management, LLC | 10,671 | $33.1K | 0.00% | +10,671 | New |
| MML Investors Services, LLC | 10,360 | $32.1K | 0.00% | 00.0% | Unchanged |
| Ciovacco Capital Management LLC | 10,204 | $31.6K | 0.02% | 00.0% | Unchanged |
| NorthCrest Asset Manangement, LLC | 11,484 | $31.5K | 0.00% | +11,484 | New |
| Soltis Investment Advisors LLC | 10,099 | $31.3K | 0.00% | +10,099 | New |
| Texas Yale Capital Corp. | 10,000 | $31.0K | 0.00% | 00.0% | Unchanged |
| Mma Asset Management LLC | 10,000 | $31.0K | 0.01% | +10,000 | New |
| Amalgamated Bank | 6,037 | $19.0K | 0.00% | −449−6.9% | Reduced |
| Rialto Wealth Management, LLC | 5,752 | $17.8K | 0.00% | −5,000−46.5% | Reduced |
| Royal Bank of Canada | 5,494 | $17.0K | 0.00% | −996,112−99.5% | Reduced |
| GF Fund Management Co. Ltd. | 4,547 | $14.1K | 0.00% | +4,547 | New |
| SBI Securities Co., Ltd. | 4,400 | $13.6K | 0.00% | −796−15.3% | Reduced |
| SageView Advisory Group, LLC | 4,098 | $12.7K | 0.00% | +4,098 | New |
| Advisor Group Holdings, Inc. | 2,475 | $7.67K | 0.00% | −25,800−91.2% | Reduced |
| Essential Partners LLC | 2,431 | $7.54K | 0.00% | +954+64.6% | Added |
| Aster Capital Management (DIFC) Ltd | 2,100 | $6.51K | 0.00% | +2,100 | New |
| Allworth Financial LP | 2,014 | $6.24K | 0.00% | +1,023+103.2% | Added |
| Nisa Investment Advisors, LLC | 2,013 | $6.24K | 0.00% | +2,013 | New |
| Sterling Capital Management LLC | 1,265 | $3.92K | 0.00% | +805+175.0% | Added |
| Steward Partners Investment Advisory, LLC | 1,000 | $3.10K | 0.00% | 00.0% | Unchanged |
| Heritage Wealth Advisors | 1,000 | $3.10K | 0.00% | +1,000 | New |
| IFP Advisors, Inc | 945 | $2.93K | 0.00% | +786+494.3% | Added |
| Federation des caisses Desjardins du Quebec | 750 | $2.33K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 655 | $2.03K | 0.00% | +187+40.0% | Added |
| Daiwa Securities Group Inc. | 771 | $2.00K | 0.00% | +771 | New |
| GAMMA Investing LLC | 468 | $1.45K | 0.00% | +468 | New |
| Farther Finance Advisors, LLC | 464 | $1.44K | 0.00% | +394+562.9% | Added |
| True Wealth Design, LLC | 402 | $1.25K | 0.00% | +195+94.2% | Added |
| Cornerstone Financial Management LLC | 282 | $874 | 0.00% | +282 | New |
| Rothschild Investment LLC | 253 | $784 | 0.00% | +253 | New |
| The PNC Financial Services Group, Inc. | 199 | $617 | 0.00% | −90−31.1% | Reduced |
| MAI Capital Management | 85 | $264 | 0.00% | +85 | New |
| SJS Investment Consulting Inc. | 59 | $183 | 0.00% | +59 | New |
| SRS Capital Advisors, Inc. | 30 | $93 | 0.00% | −10,829−99.7% | Reduced |
| Morton Brown Family Wealth, LLC | 25 | $78 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 17 | $0 | 0.00% | 00.0% | Unchanged |
| Colony Group, LLC | 0 | $0 | 0.00% | −1,325,198−100.0% | Sold out |
| Eversept Partners, LP | 0 | $0 | 0.00% | −925,233−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −800,000−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −726,800−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −495,153−100.0% | Sold out |