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 |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 17 | $0 | 0.00% | 00.0% | Unchanged |
| Morton Brown Family Wealth, LLC | 25 | $78 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 30 | $93 | 0.00% | −10,829−99.7% | Reduced |
| SJS Investment Consulting Inc. | 59 | $183 | 0.00% | +59 | New |
| MAI Capital Management | 85 | $264 | 0.00% | +85 | New |
| The PNC Financial Services Group, Inc. | 199 | $617 | 0.00% | −90−31.1% | Reduced |
| Rothschild Investment LLC | 253 | $784 | 0.00% | +253 | New |
| Cornerstone Financial Management LLC | 282 | $874 | 0.00% | +282 | New |
| True Wealth Design, LLC | 402 | $1.25K | 0.00% | +195+94.2% | Added |
| Farther Finance Advisors, LLC | 464 | $1.44K | 0.00% | +394+562.9% | Added |
| GAMMA Investing LLC | 468 | $1.45K | 0.00% | +468 | New |
| Daiwa Securities Group Inc. | 771 | $2.00K | 0.00% | +771 | New |
| EverSource Wealth Advisors, LLC | 655 | $2.03K | 0.00% | +187+40.0% | Added |
| Federation des caisses Desjardins du Quebec | 750 | $2.33K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 945 | $2.93K | 0.00% | +786+494.3% | 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 |
| Sterling Capital Management LLC | 1,265 | $3.92K | 0.00% | +805+175.0% | Added |
| Nisa Investment Advisors, LLC | 2,013 | $6.24K | 0.00% | +2,013 | New |
| Allworth Financial LP | 2,014 | $6.24K | 0.00% | +1,023+103.2% | Added |
| Aster Capital Management (DIFC) Ltd | 2,100 | $6.51K | 0.00% | +2,100 | New |
| Essential Partners LLC | 2,431 | $7.54K | 0.00% | +954+64.6% | Added |
| Advisor Group Holdings, Inc. | 2,475 | $7.67K | 0.00% | −25,800−91.2% | Reduced |
| SageView Advisory Group, LLC | 4,098 | $12.7K | 0.00% | +4,098 | New |
| SBI Securities Co., Ltd. | 4,400 | $13.6K | 0.00% | −796−15.3% | Reduced |
| GF Fund Management Co. Ltd. | 4,547 | $14.1K | 0.00% | +4,547 | New |
| Royal Bank of Canada | 5,494 | $17.0K | 0.00% | −996,112−99.5% | Reduced |
| Rialto Wealth Management, LLC | 5,752 | $17.8K | 0.00% | −5,000−46.5% | Reduced |
| Amalgamated Bank | 6,037 | $19.0K | 0.00% | −449−6.9% | Reduced |
| 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 |
| Soltis Investment Advisors LLC | 10,099 | $31.3K | 0.00% | +10,099 | New |
| NorthCrest Asset Manangement, LLC | 11,484 | $31.5K | 0.00% | +11,484 | New |
| Ciovacco Capital Management LLC | 10,204 | $31.6K | 0.02% | 00.0% | Unchanged |
| MML Investors Services, LLC | 10,360 | $32.1K | 0.00% | 00.0% | Unchanged |
| RMB Capital Management, LLC | 10,671 | $33.1K | 0.00% | +10,671 | New |
| Beacon Pointe Advisors, LLC | 11,000 | $34.1K | 0.00% | +11,000 | New |
| Ieq Capital, LLC | 11,211 | $34.8K | 0.00% | +11,211 | New |
| Mirae Asset Global Investments Co., Ltd. | 11,247 | $34.9K | 0.00% | +11,247 | New |
| Principal Financial Group Inc | 11,422 | $35.4K | 0.00% | −3,156−21.6% | Reduced |
| California State Teachers Retirement System | 11,830 | $36.7K | 0.00% | −29−0.2% | Reduced |
| Neuberger Berman Group LLC | 12,558 | $38.9K | 0.00% | +12,558 | New |
| Janney Montgomery Scott LLC | 12,700 | $39.0K | 0.00% | +12,700 | New |
| CIBC World Markets Corp | 12,712 | $39.4K | 0.00% | +12,712 | New |
| O'Shaughnessy Asset Management, LLC | 13,107 | $40.6K | 0.00% | +13,107 | New |
| Sherbrooke Park Advisers LLC | 13,347 | $41.4K | 0.11% | +13,347 | New |
| Gladstone Institutional Advisory LLC | 14,170 | $43.9K | 0.00% | +14,170 | New |
| Hudson Bay Capital Management LP | 14,180 | $44.0K | 0.00% | +14,180 | New |
| Eaton Financial Holdings Company, LLC | 14,199 | $44.0K | 0.01% | +14,199 | New |
| Xponance, Inc. | 14,897 | $46.2K | 0.00% | +75+0.5% | Added |
| Ameritas Investment Partners, Inc. | 15,867 | $49.2K | 0.00% | 00.0% | Unchanged |
| 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 |
| JustInvest LLC | 16,119 | $50.0K | 0.00% | −600−3.6% | Reduced |
| Tower Research Capital LLC (TRC) | 17,235 | $53.4K | 0.00% | +4,287+33.1% | Added |
| Wealth Enhancement Advisory Services, LLC | 23,964 | $59.3K | 0.00% | +4,767+24.8% | Added |
| Jones Financial Companies LLLP | 19,766 | $61.3K | 0.00% | +2,406+13.9% | Added |
| Legal & General Group Plc | 20,281 | $62.9K | 0.00% | −610−2.9% | Reduced |
| Evernest Financial Advisors, LLC | 28,400 | $64.2K | 0.01% | +8,400+42.0% | Added |
| Drive Wealth Management, LLC | 21,320 | $66.1K | 0.01% | +3,120+17.1% | Added |
| Clearstead Advisors, LLC | 23,667 | $73.4K | 0.00% | −217−0.9% | Reduced |
| Mercer Global Advisors Inc | 23,983 | $74.3K | 0.00% | +8,239+52.3% | Added |
| State of Wisconsin Investment Board | 26,304 | $81.5K | 0.00% | +26,304 | New |
| AlphaCore Capital LLC | 26,377 | $81.8K | 0.00% | +26,377 | New |
| Two Sigma Securities, LLC | 27,056 | $83.9K | 0.01% | +10,719+65.6% | Added |
| Caitong International Asset Management Co., Ltd | 27,091 | $84.0K | 0.02% | +5,454+25.2% | Added |
| Gerber, LLC | 28,249 | $87.6K | 0.05% | 00.0% | Unchanged |
| Mangrove Partners | 30,747 | $95.3K | 0.01% | +30,747 | New |
| Cerity Partners LLC | 31,914 | $98.9K | 0.00% | +9,075+39.7% | Added |
| CWM, LLC | 33,957 | $105.0K | 0.00% | +8,940+35.7% | Added |
| Cetera Investment Advisers | 34,249 | $106.2K | 0.00% | +34,249 | New |
| Vickerman Investment Advisors, Inc. | 34,787 | $107.8K | 0.02% | +34,787 | New |
| Sivia Capital Partners, LLC | 35,042 | $108.6K | 0.02% | +3,900+12.5% | Added |
| Graham Capital Management, L.P. | 36,467 | $113.0K | 0.00% | −30,900−45.9% | Reduced |
| Voya Investment Management LLC | 36,510 | $113.2K | 0.00% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 37,500 | $116.3K | 0.00% | +37,500 | New |
| Prudential Financial Inc | 37,615 | $116.6K | 0.00% | −13,100−25.8% | Reduced |
| Letko, Brosseau & Associates Inc | 39,400 | $122.1K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 43,600 | $135.2K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 45,338 | $140.5K | 0.00% | +12,863+39.6% | Added |
| Creative Planning | 45,611 | $141.4K | 0.00% | +26,956+144.5% | Added |
| China Universal Asset Management Co., Ltd. | 47,716 | $147.9K | 0.01% | +47,716 | New |
| Citigroup Inc | 49,212 | $152.6K | 0.00% | +19,197+64.0% | Added |
| Tudor Investment Corp Et Al | 50,000 | $155.0K | 0.00% | −103−0.2% | Reduced |
| Engineers Gate Manager LP | 51,129 | $158.5K | 0.00% | +51,129 | New |
| Police & Firemen's Retirement System of New Jersey | 51,314 | $159.1K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 51,860 | $161.0K | 0.01% | −138,955−72.8% | Reduced |
| Lazard Asset Management LLC | 56,668 | $175.7K | 0.00% | +14,968+35.9% | Added |
| Manufacturers Life Insurance Company, The | 58,441 | $181.2K | 0.00% | −6,938−10.6% | Reduced |
| Voleon Capital Management LP | 60,235 | $186.7K | 0.00% | +40,735+208.9% | Added |
| Rockefeller Capital Management L.P. | 60,866 | $188.7K | 0.00% | +50,666+496.7% | Added |
| Axq Capital, LP | 63,117 | $195.7K | 0.04% | +16,750+36.1% | Added |
| Mariner, LLC | 64,450 | $199.9K | 0.00% | +41,981+186.8% | Added |
| HighTower Advisors, LLC | 66,494 | $206.1K | 0.00% | +46,993+241.0% | Added |
| Velan Capital Investment Management LP | 70,000 | $217.0K | 0.13% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 73,896 | $229.1K | 0.06% | +73,896 | New |
| SG Americas Securities, LLC | 74,129 | $230.0K | 0.00% | +52,934+249.7% | Added |
| Caption Management, LLC | 75,375 | $233.7K | 0.01% | +75,375 | New |
| RSM US Wealth Management LLC | 75,111 | $234.3K | 0.00% | −10,000−11.7% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 76,940 | $239.0K | 0.00% | −500−0.6% | Reduced |