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, Q3 2023
Institutional positions in Gossamer Bio, Inc. as of Sep 30, 2023. 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
- 96
- −2 vs. Q2 2023
- Shares held
- 205.5M
- +143.5M (+231.5%) vs. Q2 2023
- Total value
- $171.2M
- +$96.8M (+130.1%) vs. Q2 2023
- New holders
- 32
- 30 more added
- Sold out
- 34
- 19 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| NEA Management Company, LLC | 15,727,942 | $13.1M | 1.01% | +12,260,536+353.6% | Added |
| Vanguard Group Inc | 11,268,328 | $9.38M | 0.00% | +7,686,213+214.6% | Added |
| EcoR1 Capital, LLC | 9,195,404 | $7.66M | 0.26% | +9,195,404 | New |
| Octagon Capital Advisors LP | 8,187,883 | $6.82M | 1.20% | +4,229,814+106.9% | Added |
| ARCH Venture Management, LLC | 8,055,916 | $6.71M | 4.36% | +8,055,916 | New |
| Millennium Management LLC | 7,051,360 | $5.87M | 0.01% | +2,844,283+67.6% | Added |
| Alyeska Investment Group, L.P. | 6,803,500 | $5.67M | 0.04% | +6,803,500 | New |
| Palo Alto Investors LP | 6,530,288 | $5.44M | 0.51% | +3,065,136+88.5% | Added |
| Boxer Capital, LLC | 6,497,700 | $5.41M | 0.29% | +3,160,772+94.7% | Added |
| Artal Group S.A. | 6,399,819 | $5.33M | 0.23% | +3,371,648+111.3% | Added |
| Great Point Partners LLC | 6,230,272 | $5.19M | 0.98% | +6,230,272 | New |
| Citadel Advisors LLC | 6,168,143 | $5.14M | 0.01% | +4,741,674+332.4% | Added |
| Farallon Capital Management, L.L.C. | 6,130,272 | $5.11M | 0.03% | +6,130,272 | New |
| Samsara BioCapital, LLC | 6,130,268 | $5.11M | 1.56% | +6,130,268 | New |
| Madison Avenue Partners, LP | 6,130,268 | $5.11M | 0.72% | +6,130,268 | New |
| Silverarc Capital Management, LLC | 6,130,268 | $5.11M | 1.90% | +6,130,268 | New |
| Nantahala Capital Management, LLC | 6,089,471 | $5.07M | 0.64% | +6,089,471 | New |
| Platinum Investment Management Ltd | 5,357,778 | $4.46M | 0.17% | +2,994,608+126.7% | Added |
| Monashee Investment Management LLC | 5,304,212 | $4.42M | 1.85% | +5,304,212 | New |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 4,974,041 | $4.14M | 0.09% | 00.0% | Unchanged |
| Armistice Capital, LLC | 4,956,000 | $4.13M | 0.12% | +4,956,000 | New |
| Opaleye Management Inc. | 4,754,200 | $3.96M | 1.30% | +1,384,200+41.1% | Added |
| BlackRock Inc. | 4,466,653 | $3.72M | 0.00% | +2,554,648+133.6% | Added |
| Eversept Partners, LP | 4,427,857 | $3.69M | 0.41% | +3,678,160+490.6% | Added |
| Federated Hermes, Inc. | 3,994,723 | $3.33M | 0.01% | +3,057,419+326.2% | Added |
| Stonepine Capital Management, LLC | 3,339,405 | $2.78M | 0.92% | +3,339,405 | New |
| Rock Springs Capital Management LP | 3,266,960 | $2.72M | 0.07% | +2,166,686+196.9% | Added |
| Velan Capital Investment Management LP | 3,065,136 | $2.55M | 2.09% | +3,065,136 | New |
| Highbridge Capital Management LLC | 3,031,306 | $2.52M | 0.14% | +3,031,306 | New |
| Geode Capital Management, LLC | 2,165,579 | $1.80M | 0.00% | +1,396,420+181.6% | Added |
| Weiss Asset Management LP | 2,000,000 | $1.67M | 0.13% | +2,000,000 | New |
| CI Private Wealth, LLC | 1,972,839 | $1.64M | 0.00% | +602,653+44.0% | Added |
| Sphera Funds Management Ltd. | 1,932,568 | $1.61M | 0.39% | +1,932,568 | New |
| 683 Capital Management, LLC | 1,726,139 | $1.44M | 0.15% | +1,726,139 | New |
| Goldman Sachs Group Inc | 1,664,502 | $1.39M | 0.00% | +1,260,635+312.1% | Added |
| Marshall Wace, LLP | 1,646,815 | $1.37M | 0.00% | −104,300−6.0% | Reduced |
| Acadian Asset Management LLC | 1,534,662 | $1.28M | 0.01% | −1,532,054−50.0% | Reduced |
| DAFNA Capital Management LLC | 1,476,052 | $1.23M | 0.38% | +1,476,052 | New |
| Charles Schwab Investment Management Inc | 1,080,642 | $900.0K | 0.00% | +651,837+152.0% | Added |
| Two Sigma Advisers, LP | 1,053,400 | $877.3K | 0.00% | −649,500−38.1% | Reduced |
| CVI Holdings, LLC | 976,108 | $812.9K | 1.61% | +976,108 | New |
| Tang Capital Management LLC | 838,600 | $698.4K | 0.10% | +838,600 | New |
| FMR LLC | 638,421 | $531.7K | 0.00% | +634,873+17,893.8% | Added |
| AWM Investment Company, Inc. | 613,028 | $510.5K | 0.08% | +613,028 | New |
| Susquehanna International Group, LLP | 564,303 | $470.0K | 0.00% | −185,679−24.8% | Reduced |
| Two Sigma Investments, LP | 536,095 | $446.5K | 0.00% | −1,033,273−65.8% | Reduced |
| Northern Trust Corp | 436,760 | $363.7K | 0.00% | +240,395+122.4% | Added |
| Morgan Stanley | 391,371 | $325.9K | 0.00% | −184,889−32.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 359,900 | $299.7K | 0.00% | −25,500−6.6% | Reduced |
| State Street Corp | 330,151 | $274.9K | 0.00% | −14,600−4.2% | Reduced |
| D. E. Shaw & Co., Inc. | 271,310 | $225.9K | 0.00% | −105,519−28.0% | Reduced |
| Kynam Capital Management, LP | 250,000 | $208.2K | 0.03% | +250,000 | New |
| Birchview Capital, LP | 209,088 | $174.1K | 0.15% | +110,000+111.0% | Added |
| Citigroup Inc | 196,732 | $163.8K | 0.00% | +194,768+9,916.9% | Added |
| Alliancebernstein L.P. | 148,270 | $123.5K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 100,000 | $83.3K | 0.00% | −70,000−41.2% | Reduced |
| Bank of America Corp | 96,566 | $80.3K | 0.00% | −7,315−7.0% | Reduced |
| Bank of New York Mellon Corp | 91,246 | $76.0K | 0.00% | +58,428+178.0% | Added |
| Financial Advocates Investment Management | 72,850 | $60.7K | 0.00% | +72,850 | New |
| Smith, Moore & Co. | 66,000 | $55.0K | 0.01% | 00.0% | Unchanged |
| Man Group plc | – | $51.2K | 0.00% | – | New |
| Sequoia Financial Advisors, LLC | 58,500 | $48.7K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 46,464 | $38.7K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 43,583 | $36.3K | 0.00% | +39,627+1,001.7% | Added |
| Principal Financial Group Inc | 33,504 | $27.9K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 30,156 | $25.1K | 0.00% | +8,313+38.1% | Added |
| Change Path, LLC | 27,750 | $23.0K | 0.00% | −3,717−11.8% | Reduced |
| Clearstead Advisors, LLC | 22,000 | $18.3K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 20,791 | $17.3K | 0.00% | +20,791 | New |
| Silvercrest Asset Management Group LLC | 19,908 | $16.6K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 17,000 | $14.2K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 14,730 | $12.3K | 0.00% | +14,730 | New |
| Jane Street Group, LLC | 13,891 | $11.6K | 0.00% | −317,843−95.8% | Reduced |
| waypoint wealth counsel | 11,458 | $9.54K | 0.01% | +11,458 | New |
| Two Sigma Securities, LLC | 10,324 | $8.60K | 0.00% | +10,324 | New |
| Arcus Capital Partners, LLC | 10,042 | $8.36K | 0.00% | +10,042 | New |
| Texas Yale Capital Corp. | 10,000 | $8.33K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 10,000 | $8.33K | 0.00% | +10,000 | New |
| Russell Investments Group, Ltd. | 6,801 | $5.30K | 0.00% | −4,843−41.6% | Reduced |
| China Universal Asset Management Co., Ltd. | 5,774 | $4.81K | 0.00% | +4,523+361.6% | Added |
| BNP Paribas Arbitrage, SA | 4,591 | $3.82K | 0.00% | −77,083−94.4% | Reduced |
| Royal Bank of Canada | 3,150 | $3.00K | 0.00% | −215−6.4% | Reduced |
| Rhumbline Advisers | 3,404 | $2.83K | 0.00% | −4,405−56.4% | Reduced |
| UBS Group AG | 2,000 | $1.67K | 0.00% | −175,393−98.9% | Reduced |
| Wells Fargo & Company | 1,863 | $1.55K | 0.00% | +899+93.3% | Added |
| Federation des caisses Desjardins du Quebec | 790 | $658 | 0.00% | +40+5.3% | Added |
| Advisor Group Holdings, Inc. | 600 | $499 | 0.00% | +300+100.0% | Added |
| Barclays PLC | 200 | $166 | 0.00% | +99+98.0% | Added |
| Authentikos Wealth Advisory, LLC | 150 | $125 | 0.00% | +150 | New |
| PFS Partners, LLC | 140 | $117 | 0.00% | −10−6.7% | Reduced |
| Toronto Dominion Bank | 112 | $93 | 0.00% | 00.0% | Unchanged |
| Cary Street Partner Investment Advisory LLC | 100 | $83 | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 74 | $62 | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4 | $3 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 260 | $0 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 208 | $0 | 0.00% | +208 | New |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −1,318,680−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −1,238,000−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −484,822−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −207,138−100.0% | Sold out |