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, Q2 2025
Institutional positions in Gossamer Bio, Inc. as of Jun 30, 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
- 124
- +5 vs. Q1 2025
- Shares held
- 176.8M
- +7.20M (+4.2%) vs. Q1 2025
- Total value
- $218.0M
- +$31.1M (+16.6%) vs. Q1 2025
- New holders
- 32
- 41 more added
- Sold out
- 27
- 24 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q1 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 | $31 | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 270 | $332 | 0.00% | +270 | New |
| Sterling Capital Management LLC | 459 | $565 | 0.00% | +459 | New |
| Federation des caisses Desjardins du Quebec | 750 | $923 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 953 | $1.17K | 0.00% | −158−14.2% | Reduced |
| Steward Partners Investment Advisory, LLC | 1,000 | $1.23K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,249 | $2.77K | 0.00% | −2,885−56.2% | Reduced |
| Amalgamated Bank | 6,486 | $8.00K | 0.00% | +6,486 | New |
| Jones Financial Companies LLLP | 7,333 | $9.17K | 0.00% | +7,333 | New |
| Texas Yale Capital Corp. | 10,000 | $12.3K | 0.00% | 00.0% | Unchanged |
| Dauntless Investment Group, LLC | 10,000 | $12.3K | 0.06% | +10,000 | New |
| Rialto Wealth Management, LLC | 10,752 | $13.2K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 11,850 | $14.6K | 0.00% | +11,850 | New |
| Principal Financial Group Inc | 13,508 | $16.6K | 0.00% | +13,508 | New |
| Cerity Partners LLC | 13,761 | $16.9K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 14,677 | $18.1K | 0.00% | +14,677 | New |
| JustInvest LLC | 16,488 | $20.3K | 0.00% | −531−3.1% | Reduced |
| BNP Paribas Arbitrage, SA | 17,117 | $21.1K | 0.00% | +16,198+1,762.6% | Added |
| HSBC Holdings PLC | 18,066 | $23.0K | 0.00% | +18,066 | New |
| Ameritas Investment Partners, Inc. | 19,391 | $23.9K | 0.00% | +19,391 | New |
| Cambridge Investment Research Advisors, Inc. | 19,300 | $24.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 21,159 | $26.0K | 0.00% | +21,159 | New |
| Banco BTG Pactual S.A. | 22,009 | $27.1K | 0.01% | +22,009 | New |
| CIBC World Markets Corp | 23,401 | $28.8K | 0.00% | +23,401 | New |
| Clearstead Advisors, LLC | 23,550 | $29.0K | 0.00% | +1,550+7.0% | Added |
| US Bancorp | 24,100 | $29.6K | 0.00% | −9,387−28.0% | Reduced |
| Drive Wealth Management, LLC | 25,474 | $31.3K | 0.01% | +8,797+52.7% | Added |
| Caption Management, LLC | 25,480 | $31.3K | 0.00% | +25,480 | New |
| Silvercrest Asset Management Group LLC | 26,158 | $32.2K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 26,420 | $32.5K | 0.00% | +26,420 | New |
| Advisor Group Holdings, Inc. | 28,149 | $34.6K | 0.00% | +654+2.4% | Added |
| Sivia Capital Partners, LLC | 30,018 | $36.9K | 0.01% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 35,271 | $43.0K | 0.00% | −6,845−16.3% | Reduced |
| ProShare Advisors LLC | 38,946 | $47.9K | 0.00% | +38,946 | New |
| Police & Firemen's Retirement System of New Jersey | 42,915 | $52.8K | 0.00% | +42,915 | New |
| Tudor Investment Corp Et Al | 46,464 | $57.2K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 46,894 | $57.7K | 0.00% | +17,917+61.8% | Added |
| Prudential Financial Inc | 50,415 | $62.0K | 0.00% | +3,365+7.2% | Added |
| Voya Investment Management LLC | 54,428 | $66.9K | 0.00% | +54,428 | New |
| D. E. Shaw & Co., Inc. | 56,808 | $69.9K | 0.00% | +56,808 | New |
| Lazard Asset Management LLC | 67,362 | $82.0K | 0.00% | +23,601+53.9% | Added |
| LPL Financial LLC | 67,000 | $82.4K | 0.00% | +67,000 | New |
| Bank of America Corp | 67,080 | $82.5K | 0.00% | −96,750−59.1% | Reduced |
| Citigroup Inc | 67,434 | $82.9K | 0.00% | +56,756+531.5% | Added |
| Manufacturers Life Insurance Company, The | 72,061 | $88.6K | 0.00% | +72,061 | New |
| Velan Capital Investment Management LP | 75,000 | $92.3K | 0.09% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 76,111 | $93.6K | 0.00% | +28,000+58.2% | Added |
| New York State Common Retirement Fund | 77,000 | $94.7K | 0.00% | +77,000 | New |
| Royal Bank of Canada | 82,199 | $101.0K | 0.00% | +81,433+10,630.9% | Added |
| Diametric Capital, LP | 89,382 | $109.9K | 0.06% | −6,731−7.0% | Reduced |
| JPMorgan Chase & Co | 90,447 | $111.3K | 0.00% | +74,825+479.0% | Added |
| Quadrature Capital Ltd | 95,796 | $116.9K | 0.00% | +95,796 | New |
| Price T Rowe Associates Inc | 95,291 | $118.0K | 0.00% | +30,514+47.1% | Added |
| Wells Fargo & Company | 98,157 | $120.7K | 0.00% | +93,751+2,127.8% | Added |
| Intech Investment Management LLC | 98,303 | $120.9K | 0.00% | +98,303 | New |
| XTX Topco Ltd | 98,976 | $121.7K | 0.01% | +98,976 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 103,947 | $127.9K | 0.00% | +103,947 | New |
| State of Wyoming | 105,175 | $129.4K | 0.02% | +105,175 | New |
| Victory Capital Management Inc | 105,961 | $130.3K | 0.00% | −158,124−59.9% | Reduced |
| MetLife Investment Management | 115,813 | $142.4K | 0.00% | +115,813 | New |
| Sequoia Financial Advisors, LLC | 118,500 | $145.8K | 0.00% | 00.0% | Unchanged |
| Alps Advisors Inc | 122,644 | $150.9K | 0.00% | +122,644 | New |
| Birchview Capital, LP | 138,176 | $170.0K | 0.17% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 160,695 | $197.7K | 0.00% | −778,908−82.9% | Reduced |
| ADAR1 Capital Management, LLC | 227,228 | $279.5K | 0.05% | 00.0% | Unchanged |
| Rhumbline Advisers | 231,049 | $284.2K | 0.00% | +231,049 | New |
| Group One Trading, L.P. | 233,170 | $286.8K | 0.01% | +25,426+12.2% | Added |
| Invesco Ltd. | 239,245 | $294.3K | 0.00% | +195,548+447.5% | Added |
| Nuveen, LLC | 246,864 | $303.6K | 0.00% | +246,864 | New |
| Qube Research & Technologies Ltd | 249,784 | $307.2K | 0.00% | −645,740−72.1% | Reduced |
| Smith, Moore & Co. | 300,000 | $369.0K | 0.03% | 00.0% | Unchanged |
| UBS Group AG | 312,742 | $384.7K | 0.00% | +92,470+42.0% | Added |
| Barclays PLC | 338,792 | $416.7K | 0.00% | +93,692+38.2% | Added |
| Silverback Asset Management LLC | 350,000 | $430.5K | 0.07% | – | – |
| Prelude Capital Management, LLC | 374,169 | $460.2K | 0.04% | −2,633−0.7% | Reduced |
| Susquehanna International Group, LLP | 382,677 | $470.7K | 0.00% | −2,533,432−86.9% | Reduced |
| Bank of New York Mellon Corp | 386,708 | $475.7K | 0.00% | +366,489+1,812.6% | Added |
| Opti Capital Management, LP | – | $509.4K | 0.03% | – | – |
| Ameriprise Financial Inc | 434,049 | $533.9K | 0.00% | +434,049 | New |
| Bridgeway Capital Management, LLC | 485,900 | $597.7K | 0.01% | −75,000−13.4% | Reduced |
| Woodline Partners LP | 495,153 | $609.0K | 0.00% | −233,306−32.0% | Reduced |
| Millennium Management LLC | 496,248 | $610.4K | 0.00% | −2,181,788−81.5% | Reduced |
| Highbridge Capital Management LLC | 497,694 | $612.2K | 0.03% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 553,064 | $680.3K | 0.00% | +200,591+56.9% | Added |
| Atom Investors LP | 730,357 | $898.3K | 0.08% | +28,382+4.0% | Added |
| Gsa Capital Partners LLP | 760,448 | $935.0K | 0.07% | +64,895+9.3% | Added |
| Citadel Advisors LLC | 767,561 | $944.1K | 0.00% | +610,629+389.1% | Added |
| Morgan Stanley | 818,691 | $1.01M | 0.00% | +359,158+78.2% | Added |
| DAFNA Capital Management LLC | 849,921 | $1.05M | 0.29% | −57,933−6.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 897,388 | $1.10M | 0.01% | +695,673+344.9% | Added |
| Jacobs Levy Equity Management, Inc | 1,091,564 | $1.34M | 0.01% | +809,300+286.7% | Added |
| Exome Asset Management LLC | 1,097,999 | $1.35M | 1.11% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 1,117,972 | $1.38M | 0.00% | +314,157+39.1% | Added |
| Colony Group, LLC | 1,150,000 | $1.41M | 0.00% | +450,000+64.3% | Added |
| Laurion Capital Management LP | 1,343,772 | $1.65M | 0.19% | −207,656−13.4% | Reduced |
| Platinum Investment Management Ltd | 1,383,863 | $1.70M | 0.11% | −347,492−20.1% | Reduced |
| Northern Trust Corp | 1,520,126 | $1.87M | 0.00% | +1,110,010+270.7% | Added |
| Charles Schwab Investment Management Inc | 1,621,419 | $1.99M | 0.00% | +482,472+42.4% | Added |
| Two Sigma Advisers, LP | 1,672,200 | $2.06M | 0.00% | +385,000+29.9% | Added |