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 $62.7M in total; HHLR Advisors (Hillhouse) is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Gossamer Bio, Inc. as of Jun 30, 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
- 170
- −14 vs. Q1 2026
- Shares held
- 370.6M
- +201.1M (+118.7%) vs. Q1 2026
- Total value
- $60.8M
- +$4.63M (+8.2%) vs. Q1 2026
- New holders
- 28
- 62 more added
- Sold out
- 42
- 44 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $62.7M |
| Q1 2026 | 185 | $58.8M |
| Q4 2025 | 195 | $585.3M |
| Q3 2025 | 164 | $474.2M |
| Q2 2025 | 124 | $218.1M |
| Q1 2025 | 119 | $186.9M |
| Q4 2024 | 105 | $155.7M |
| Q3 2024 | 100 | $173.2M |
| Q2 2024 | 94 | $165.5M |
| Q1 2024 | 109 | $244.2M |
| Q4 2023 | 98 | $197.8M |
| Q3 2023 | 96 | $171.4M |
| Q2 2023 | 99 | $74.7M |
| Q1 2023 | 111 | $97.9M |
| Q4 2022 | 120 | $225.1M |
| Q3 2022 | 160 | $1.02B |
| Q2 2022 | 129 | $533.3M |
| Q1 2022 | 141 | $519.8M |
| Q4 2021 | 133 | $666.5M |
| Q3 2021 | 128 | $687.7M |
| Q2 2021 | 115 | $431.1M |
| Q1 2021 | 123 | $501.9M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| D. E. Shaw & Co., Inc. | 40,959,285 | $6.74M | 0.00% | +40,569,854+10,417.7% | Added |
| 683 Capital Management, LLC | 39,198,868 | $6.45M | 0.59% | +34,198,868+684.0% | Added |
| DeepCurrents Investment Group LLC | 37,665,073 | $6.03M | 0.21% | +37,665,073 | New |
| Context Capital Management, LLC | 28,946,459 | $4.76M | 0.10% | +28,946,459 | New |
| Worth Venture Partners, LLC | 25,017,881 | $4.12M | 9.29% | +25,017,881 | New |
| AQR Capital Management LLC | 15,629,993 | $2.57M | 0.00% | +5,503,096+54.3% | Added |
| Gsa Capital Partners LLP | 14,986,947 | $2.47M | 0.16% | +11,732,714+360.5% | Added |
| Wolverine Asset Management LLC | 12,894,746 | $2.12M | 0.03% | +12,894,746 | New |
| Renaissance Technologies LLC | 11,629,896 | $1.91M | 0.00% | +10,412,028+854.9% | Added |
| Kalehua Capital Management LLC | 11,149,363 | $1.84M | 1.05% | +913,070+8.9% | Added |
| Vanguard Capital Management LLC | 9,416,023 | $1.55M | 0.00% | +21,430+0.2% | Added |
| ARCH Venture Management, LLC | 8,055,916 | $1.33M | 0.12% | 00.0% | Unchanged |
| Barclays PLC | 7,832,522 | $1.29M | 0.00% | +4,766,716+155.5% | Added |
| Octagon Capital Advisors LP | 7,750,000 | $1.28M | 0.12% | 00.0% | Unchanged |
| BlackRock, Inc. | 7,669,943 | $1.26M | 0.00% | −9,156,752−54.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 7,573,388 | $1.25M | 0.00% | +7,573,388 | New |
| Two Sigma Investments, LP | 7,432,001 | $1.22M | 0.00% | +2,651,150+55.5% | Added |
| Samsara BioCapital, LLC | 7,222,559 | $1.19M | 0.10% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 7,065,756 | $1.16M | 0.00% | +2,147,993+43.7% | Added |
| CI Private Wealth, LLC | 5,632,698 | $927.1K | 0.00% | +1,647,315+41.3% | Added |
| Siren, L.L.C. | 5,208,968 | $857.4K | 0.02% | 00.0% | Unchanged |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 4,974,041 | $818.7K | 0.10% | 00.0% | Unchanged |
| UBS Group AG | 3,093,785 | $510.5K | 0.00% | +1,210,202+64.2% | Added |
| Squarepoint Ops LLC | 2,556,378 | $420.8K | 0.00% | −842,379−24.8% | Reduced |
| Geode Capital Management, LLC | 2,481,605 | $408.7K | 0.00% | −2,458,086−49.8% | Reduced |
| Millennium Management LLC | 2,402,633 | $395.5K | 0.00% | +2,215,215+1,182.0% | Added |
| MB Generational Wealth, LLC | 2,217,451 | $365.0K | 0.18% | +685,309+44.7% | Added |
| Jacobs Levy Equity Management, Inc | 2,187,402 | $360.0K | 0.00% | +492,243+29.0% | Added |
| Marshall Wace, LLP | 2,114,988 | $338.4K | 0.00% | +2,114,988 | New |
| Alyeska Investment Group, L.P. | 2,051,442 | $337.7K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 1,792,135 | $293.0K | 0.00% | −3,485,769−66.0% | Reduced |
| HSBC Holdings PLC | 1,583,118 | $267.4K | 0.00% | +1,469,175+1,289.4% | Added |
| Ensign Peak Advisors, Inc | 1,450,979 | $238.8K | 0.00% | −251,146−14.8% | Reduced |
| Vanguard Fiduciary Trust Co | 1,245,392 | $205.5K | 0.00% | −158,893−11.3% | Reduced |
| JPMorgan Chase & Co | 1,228,634 | $201.5K | 0.00% | +1,135,944+1,225.5% | Added |
| Deutsche Bank AG | 1,106,441 | $188.1K | 0.00% | −199,445−15.3% | Reduced |
| Goldman Sachs Group Inc | 1,128,451 | $185.7K | 0.00% | −52,093−4.4% | Reduced |
| State Street Corp | 1,114,718 | $183.5K | 0.00% | −3,273,391−74.6% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 1,098,914 | $180.9K | 0.01% | +270,195+32.6% | Added |
| NEA Management Company, LLC | 1,000,000 | $164.6K | 0.01% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 992,527 | $163.4K | 0.00% | −517,549−34.3% | Reduced |
| Smith, Moore & Co. | 900,000 | $148.1K | 0.01% | +430,000+91.5% | Added |
| Ishara Investments LP | 820,000 | $135.0K | 0.10% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 733,216 | $120.7K | 0.00% | +263,270+56.0% | Added |
| Mariner, LLC | 594,719 | $97.9K | 0.00% | +176,315+42.1% | Added |
| Ieq Capital, LLC | 591,254 | $97.3K | 0.00% | +197,515+50.2% | Added |
| Vanguard Portfolio Management LLC | 544,212 | $89.8K | 0.00% | −1,616,867−74.8% | Reduced |
| RSM US Wealth Management LLC | 540,111 | $88.9K | 0.00% | +290,000+115.9% | Added |
| Tudor Investment Corp Et Al | 479,581 | $78.9K | 0.00% | +364,344+316.2% | Added |
| Virtu Financial LLC | 463,708 | $76.0K | 0.00% | +200,496+76.2% | Added |
| Northern Trust Corp | 458,498 | $75.5K | 0.00% | −950,462−67.5% | Reduced |
| Invesco Ltd. | 442,268 | $72.8K | 0.00% | −22,700−4.9% | Reduced |
| Bank of America Corp | 396,727 | $65.1K | 0.00% | −2,776,998−87.5% | Reduced |
| Susquehanna International Group, LLP | 383,049 | $63.0K | 0.00% | +247,276+182.1% | Added |
| LPL Financial LLC | 332,534 | $54.7K | 0.00% | −39,200−10.5% | Reduced |
| Mercer Global Advisors Inc | 297,863 | $49.0K | 0.00% | +108,535+57.3% | Added |
| Waddell & Associates, LLC | 261,798 | $43.1K | 0.00% | +194,246+287.6% | Added |
| Morgan Stanley | 241,591 | $39.8K | 0.00% | −125,787−34.2% | Reduced |
| Prudential Financial Inc | 227,550 | $37.5K | 0.00% | +171,625+306.9% | Added |
| ADAR1 Capital Management, LLC | 212,531 | $35.0K | 0.00% | −75,000−26.1% | Reduced |
| Creative Planning | 211,955 | $34.9K | 0.00% | +86,328+68.7% | Added |
| Merit Financial Group, LLC | 169,596 | $27.9K | 0.00% | +15,155+9.8% | Added |
| Eventide Asset Management, LLC | 163,440 | $26.8K | 0.00% | +163,440 | New |
| Cerity Partners LLC | 160,399 | $26.4K | 0.00% | +53,880+50.6% | Added |
| Sivia Capital Partners, LLC | 152,298 | $25.1K | 0.00% | +60,619+66.1% | Added |
| SG Americas Securities, LLC | 146,737 | $24.0K | 0.00% | +18,169+14.1% | Added |
| Tower Research Capital LLC (TRC) | 144,473 | $23.8K | 0.00% | +108,131+297.5% | Added |
| HighTower Advisors, LLC | 144,358 | $23.8K | 0.00% | +78,728+120.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 153,902 | $22.0K | 0.00% | +50,459+48.8% | Added |
| Schonfeld Strategic Advisors LLC | 132,888 | $21.9K | 0.00% | +132,888 | New |
| FMR LLC | 130,325 | $21.5K | 0.00% | +107,809+478.8% | Added |
| Russell Investments Group, Ltd. | 121,039 | $19.9K | 0.00% | −24,233−16.7% | Reduced |
| Advisor Group Holdings, Inc. | 120,204 | $19.2K | 0.00% | +118,860+8,843.8% | Added |
| Group One Trading, L.P. | 110,927 | $18.3K | 0.00% | +27,332+32.7% | Added |
| SRS Capital Advisors, Inc. | 108,204 | $17.8K | 0.00% | +108,204 | New |
| BCV Asset Management Inc. | 106,500 | $17.5K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 105,866 | $17.4K | 0.00% | −1,749−1.6% | Reduced |
| Balyasny Asset Management LLC | 104,232 | $17.2K | 0.00% | −5,818,066−98.2% | Reduced |
| Commonwealth Equity Services, LLC | 101,993 | $16.8K | 0.00% | −7,985−7.3% | Reduced |
| Quarry LP | 100,000 | $16.5K | 0.00% | 00.0% | Unchanged |
| Colony Group, LLC | 92,848 | $15.3K | 0.00% | +19,835+27.2% | Added |
| Rhumbline Advisers | 88,599 | $14.6K | 0.00% | −127,797−59.1% | Reduced |
| Captrust Financial Advisors | 81,778 | $13.5K | 0.00% | +24,274+42.2% | Added |
| Vanguard Global Advisers, LLC | 79,682 | $13.1K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 73,693 | $12.1K | 0.00% | −21,913−22.9% | Reduced |
| CAPROCK Group, Inc. | 70,000 | $11.5K | 0.00% | 00.0% | Unchanged |
| Velan Capital Investment Management LP | 70,000 | $11.5K | 0.01% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 69,482 | $11.4K | 0.00% | +16,471+31.1% | Added |
| Bronte Capital Management Pty Ltd. | 67,754 | $11.2K | 0.00% | +67,754 | New |
| Two Sigma Securities, LLC | 58,064 | $9.56K | 0.00% | +58,064 | New |
| Integrated Wealth Concepts LLC | 55,521 | $9.14K | 0.00% | +41,097+284.9% | Added |
| Bull Harbor Capital LLC | 51,235 | $8.43K | 0.00% | +20,039+64.2% | Added |
| Beacon Pointe Advisors, LLC | 48,000 | $7.90K | 0.00% | +20,000+71.4% | Added |
| Bank of New York Mellon Corp | 45,713 | $7.52K | 0.00% | −382,528−89.3% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 43,210 | $7.11K | 0.00% | +43,210 | New |
| Cambridge Investment Research Advisors, Inc. | 42,800 | $7.00K | 0.00% | 00.0% | Unchanged |
| Prospera Financial Services Inc | 42,123 | $6.93K | 0.00% | +42,123 | New |
| Skaana Management L.P. | 40,200 | $6.62K | 0.00% | 00.0% | Unchanged |
| RMB Capital Management, LLC | 39,784 | $6.55K | 0.00% | +2,547+6.8% | Added |
| JustInvest LLC | 39,060 | $6.43K | 0.00% | +21,529+122.8% | Added |