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, Q1 2026
Institutional positions in Gossamer Bio, Inc. as of Mar 31, 2026. 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
- 185
- −7 vs. Q4 2025
- Shares held
- 169.8M
- −2.28M (−1.3%) vs. Q4 2025
- Total value
- $56.3M
- −$477.1M (−89.4%) vs. Q4 2025
- New holders
- 47
- 72 more added
- Sold out
- 54
- 48 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HHM Wealth Advisors, LLC | 1 | $1 | 0.00% | +1 | New |
| TD Waterhouse Canada Inc. | 15 | $5 | 0.00% | +15 | New |
| True Wealth Design, LLC | 23 | $8 | 0.00% | −379−94.3% | Reduced |
| Morton Brown Family Wealth, LLC | 25 | $8 | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 282 | $93 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 404 | $133 | 0.00% | +205+103.0% | Added |
| SBI Securities Co., Ltd. | 614 | $202 | 0.00% | −3,786−86.0% | Reduced |
| SJS Investment Consulting Inc. | 705 | $232 | 0.00% | +646+1,094.9% | Added |
| Natixis | 920 | $302 | 0.00% | +920 | New |
| Heritage Wealth Advisors | 1,000 | $329 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 1,000 | $329 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,265 | $416 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,344 | $441 | 0.00% | −1,131−45.7% | Reduced |
| Wealth Preservation Advisors, LLC | 1,504 | $494 | 0.00% | +1,504 | New |
| Nisa Investment Advisors, LLC | 1,883 | $619 | 0.00% | −130−6.5% | Reduced |
| Basecamp Wealth Advisors LLC | 1,912 | $628 | 0.00% | +1,912 | New |
| Rothschild Investment LLC | 2,013 | $661 | 0.00% | +1,760+695.7% | Added |
| Farther Finance Advisors, LLC | 3,674 | $1.34K | 0.00% | +3,210+691.8% | Added |
| Allworth Financial LP | 4,819 | $1.58K | 0.00% | +2,805+139.3% | Added |
| GF Fund Management Co. Ltd. | 5,173 | $1.70K | 0.00% | +626+13.8% | Added |
| IFP Advisors, Inc | 5,843 | $1.92K | 0.00% | +4,898+518.3% | Added |
| EverSource Wealth Advisors, LLC | 5,957 | $1.96K | 0.00% | +5,302+809.5% | Added |
| Royal Bank of Canada | 7,369 | $2.00K | 0.00% | +1,875+34.1% | Added |
| Jones Financial Companies LLLP | 6,654 | $2.30K | 0.00% | −13,112−66.3% | Reduced |
| Federation des caisses Desjardins du Quebec | 7,750 | $2.55K | 0.00% | +7,000+933.3% | Added |
| MML Investors Services, LLC | 10,000 | $3.29K | 0.00% | −360−3.5% | Reduced |
| Mma Asset Management LLC | 10,000 | $3.29K | 0.00% | 00.0% | Unchanged |
| Pallas Capital Advisors LLC | 10,367 | $3.41K | 0.00% | +10,367 | New |
| California State Teachers Retirement System | 10,399 | $3.42K | 0.00% | −1,431−12.1% | Reduced |
| Baader Bank INC | 16,077 | $3.47K | 0.00% | +16,077 | New |
| Beaumont Capital Management, LLC | 10,772 | $3.54K | 0.00% | +10,772 | New |
| State of Wyoming | 10,941 | $3.59K | 0.00% | +10,941 | New |
| Beese Fulmer Investment Management, Inc. | 11,135 | $3.66K | 0.00% | +11,135 | New |
| Curated Wealth Partners LLC | 11,782 | $3.87K | 0.00% | +11,782 | New |
| Caerus Investment Advisors, LLC | 11,839 | $3.89K | 0.00% | +11,839 | New |
| Mirae Asset Global Investments Co., Ltd. | 12,073 | $3.97K | 0.00% | +826+7.3% | Added |
| Janney Montgomery Scott LLC | 11,200 | $4.00K | 0.00% | −1,500−11.8% | Reduced |
| Stratos Wealth Partners, LTD. | 12,812 | $4.21K | 0.00% | +12,812 | New |
| Sentinus, LLC | 12,862 | $4.22K | 0.00% | +12,862 | New |
| Oppenheimer & Co Inc | 13,000 | $4.27K | 0.00% | −24,500−65.3% | Reduced |
| Baker Avenue Asset Management, LP | 13,221 | $4.34K | 0.00% | +13,221 | New |
| Integrated Wealth Concepts LLC | 14,424 | $4.74K | 0.00% | +14,424 | New |
| Brinker Capital Investments, LLC | 15,220 | $5.00K | 0.00% | +15,220 | New |
| Ground Swell Capital, LLC | 15,356 | $5.04K | 0.01% | +15,356 | New |
| Ameritas Investment Partners, Inc. | 15,867 | $5.21K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 16,000 | $5.26K | 0.00% | −160,000−90.9% | Reduced |
| Neuberger Berman Group LLC | 17,151 | $5.64K | 0.00% | +4,593+36.6% | Added |
| Xponance, Inc. | 17,201 | $5.65K | 0.00% | +2,304+15.5% | Added |
| Legal & General Group Plc | 17,298 | $5.68K | 0.00% | −2,983−14.7% | Reduced |
| Change Path, LLC | 17,434 | $5.73K | 0.00% | +17,434 | New |
| JustInvest LLC | 17,531 | $5.76K | 0.00% | +1,412+8.8% | Added |
| Drive Wealth Management, LLC | 17,550 | $5.76K | 0.00% | −3,770−17.7% | Reduced |
| Principal Financial Group Inc | 17,586 | $5.78K | 0.00% | +6,164+54.0% | Added |
| Citigroup Inc | 17,754 | $5.83K | 0.00% | −31,458−63.9% | Reduced |
| VestGen Advisors, LLC | 17,437 | $5.94K | 0.00% | +17,437 | New |
| Birchview Capital, LP | 18,176 | $5.97K | 0.00% | −120,000−86.8% | Reduced |
| Essential Partners LLC | 18,874 | $6.20K | 0.00% | +16,443+676.4% | Added |
| Angeles Wealth Management, LLC | 20,000 | $6.57K | 0.00% | +20,000 | New |
| Brighton Jones LLC | 20,068 | $6.59K | 0.00% | +20,068 | New |
| Axq Capital, LP | 20,421 | $6.71K | 0.00% | −42,696−67.6% | Reduced |
| Rialto Wealth Management, LLC | 20,552 | $6.75K | 0.00% | +14,800+257.3% | Added |
| Krilogy Financial LLC | 16,611 | $7.27K | 0.00% | +16,611 | New |
| FMR LLC | 22,516 | $7.40K | 0.00% | −4,215,074−99.5% | Reduced |
| MAI Capital Management | 22,597 | $7.42K | 0.00% | +22,512+26,484.7% | Added |
| Clearstead Advisors, LLC | 23,550 | $7.74K | 0.00% | −117−0.5% | Reduced |
| Gladstone Institutional Advisory LLC | 24,955 | $8.20K | 0.00% | +10,785+76.1% | Added |
| Buckingham Strategic Partners | 26,267 | $8.63K | 0.00% | +26,267 | New |
| NorthCrest Asset Manangement, LLC | 24,686 | $9.13K | 0.00% | +13,202+115.0% | Added |
| R.H. Investment Group, LLC | 26,300 | $9.14K | 0.01% | +26,300 | New |
| Beacon Pointe Advisors, LLC | 28,000 | $9.20K | 0.00% | +17,000+154.5% | Added |
| Gerber, LLC | 28,249 | $9.28K | 0.01% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 28,500 | $9.36K | 0.00% | +12,500+78.1% | Added |
| CSS LLC | 30,000 | $9.86K | 0.00% | +30,000 | New |
| Evernest Financial Advisors, LLC | 28,769 | $10.0K | 0.00% | +369+1.3% | Added |
| Cetera Investment Advisers | 30,749 | $10.1K | 0.00% | −3,500−10.2% | Reduced |
| Bull Harbor Capital LLC | 31,196 | $10.2K | 0.00% | +31,196 | New |
| SEI Investments Co | 31,520 | $10.4K | 0.00% | −197,376−86.2% | Reduced |
| Alpine Global Management, LLC | 32,827 | $10.8K | 0.00% | +32,827 | New |
| Vickerman Investment Advisors, Inc. | 34,787 | $11.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 36,342 | $11.9K | 0.00% | +19,107+110.9% | Added |
| RMB Capital Management, LLC | 37,237 | $12.2K | 0.00% | +26,566+249.0% | Added |
| ProShare Advisors LLC | 38,206 | $12.6K | 0.00% | −7,132−15.7% | Reduced |
| Letko, Brosseau & Associates Inc | 39,400 | $12.9K | 0.00% | 00.0% | Unchanged |
| Skaana Management L.P. | 40,200 | $13.2K | 0.01% | +40,200 | New |
| China Universal Asset Management Co., Ltd. | 41,074 | $13.5K | 0.00% | −6,642−13.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 42,800 | $14.0K | 0.00% | −34,140−44.4% | Reduced |
| New York State Common Retirement Fund | 43,600 | $14.3K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 51,314 | $16.9K | 0.00% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 53,011 | $17.4K | 0.00% | +26,634+101.0% | Added |
| Intech Investment Management LLC | 54,002 | $17.7K | 0.00% | −31,580−36.9% | Reduced |
| Prudential Financial Inc | 55,925 | $18.4K | 0.00% | +18,310+48.7% | Added |
| Captrust Financial Advisors | 57,504 | $18.9K | 0.00% | +57,504 | New |
| Manufacturers Life Insurance Company, The | 57,923 | $19.0K | 0.00% | −518−0.9% | Reduced |
| HighTower Advisors, LLC | 65,630 | $21.6K | 0.00% | −864−1.3% | Reduced |
| Waddell & Associates, LLC | 67,552 | $22.2K | 0.00% | +67,552 | New |
| CAPROCK Group, Inc. | 70,000 | $23.0K | 0.00% | −10,000−12.5% | Reduced |
| Velan Capital Investment Management LP | 70,000 | $23.0K | 0.01% | 00.0% | Unchanged |
| Caption Management, LLC | 71,282 | $23.4K | 0.00% | −4,093−5.4% | Reduced |
| Colony Group, LLC | 73,013 | $24.0K | 0.00% | +73,013 | New |
| Chicago Partners Investment Group LLC | 62,489 | $24.4K | 0.00% | +62,489 | New |