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 2023
Institutional positions in Gossamer Bio, Inc. as of Dec 31, 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
- 98
- +2 vs. Q3 2023
- Shares held
- 209.2M
- +3.69M (+1.8%) vs. Q3 2023
- Total value
- $192.0M
- +$20.8M (+12.1%) vs. Q3 2023
- New holders
- 21
- 33 more added
- Sold out
- 19
- 22 more reduced
Compare with Q3 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 | $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 2023
Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| NEA Management Company, LLC | 15,838,009 | $14.5M | 0.96% | +110,067+0.7% | Added |
| FMR LLC | 12,263,918 | $11.2M | 0.00% | +11,625,497+1,821.0% | Added |
| Artal Group S.A. | 12,058,968 | $11.0M | 0.38% | +5,659,149+88.4% | Added |
| Vanguard Group Inc | 11,635,634 | $10.6M | 0.00% | +367,306+3.3% | Added |
| EcoR1 Capital, LLC | 9,195,404 | $8.39M | 0.22% | 00.0% | Unchanged |
| Octagon Capital Advisors LP | 9,187,883 | $8.38M | 1.34% | +1,000,000+12.2% | Added |
| ARCH Venture Management, LLC | 8,055,916 | $7.35M | 4.50% | 00.0% | Unchanged |
| Palo Alto Investors LP | 5,958,888 | $6.53M | 0.59% | −571,400−8.7% | Reduced |
| Platinum Investment Management Ltd | 6,954,110 | $6.35M | 0.26% | +1,596,332+29.8% | Added |
| Eversept Partners, LP | 6,432,715 | $5.87M | 0.58% | +2,004,858+45.3% | Added |
| Citadel Advisors LLC | 6,140,232 | $5.60M | 0.01% | −27,911−0.5% | Reduced |
| Farallon Capital Management, L.L.C. | 6,130,272 | $5.59M | 0.03% | 00.0% | Unchanged |
| Samsara BioCapital, LLC | 6,130,268 | $5.59M | 0.87% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 6,130,268 | $5.59M | 1.73% | 00.0% | Unchanged |
| Morgan Stanley | 5,568,872 | $5.08M | 0.00% | +5,177,501+1,322.9% | Added |
| Madison Avenue Partners, LP | 5,054,472 | $4.61M | 0.65% | −1,075,796−17.5% | Reduced |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 4,974,041 | $4.54M | 0.09% | 00.0% | Unchanged |
| Millennium Management LLC | 4,224,610 | $3.85M | 0.00% | −2,826,750−40.1% | Reduced |
| Armistice Capital, LLC | 4,156,000 | $3.79M | 0.10% | −800,000−16.1% | Reduced |
| Deutsche Bank AG | 3,807,661 | $3.46M | 0.00% | +3,807,661 | New |
| Price T Rowe Associates Inc | 3,695,227 | $3.37M | 0.00% | +3,695,227 | New |
| Monashee Investment Management LLC | 3,459,854 | $3.16M | 0.56% | −1,844,358−34.8% | Reduced |
| BlackRock Inc. | 3,378,646 | $3.08M | 0.00% | −1,088,007−24.4% | Reduced |
| 683 Capital Management, LLC | 3,314,700 | $3.02M | 0.30% | +1,588,561+92.0% | Added |
| Rock Springs Capital Management LP | 3,266,960 | $2.98M | 0.07% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 3,206,460 | $2.93M | 0.01% | −788,263−19.7% | Reduced |
| Opaleye Management Inc. | 2,982,200 | $2.72M | 0.73% | −1,772,000−37.3% | Reduced |
| CI Private Wealth, LLC | 2,937,931 | $2.68M | 0.00% | +965,092+48.9% | Added |
| Alyeska Investment Group, L.P. | 2,913,216 | $2.66M | 0.02% | −3,890,284−57.2% | Reduced |
| Goldman Sachs Group Inc | 2,726,251 | $2.49M | 0.00% | +1,061,749+63.8% | Added |
| Geode Capital Management, LLC | 2,272,925 | $2.07M | 0.00% | +107,346+5.0% | Added |
| Jacobs Levy Equity Management, Inc | 2,103,048 | $1.92M | 0.01% | +2,103,048 | New |
| Weiss Asset Management LP | 2,000,000 | $1.82M | 0.13% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 1,805,137 | $1.64M | 0.01% | +270,475+17.6% | Added |
| Citigroup Inc | 1,705,436 | $1.56M | 0.00% | +1,508,704+766.9% | Added |
| DAFNA Capital Management LLC | 1,476,052 | $1.35M | 0.32% | 00.0% | Unchanged |
| Sphera Funds Management Ltd. | 1,338,090 | $1.22M | 0.23% | −594,478−30.8% | Reduced |
| Highbridge Capital Management LLC | 1,310,477 | $1.20M | 0.06% | −1,720,829−56.8% | Reduced |
| Charles Schwab Investment Management Inc | 1,219,829 | $1.11M | 0.00% | +139,187+12.9% | Added |
| Two Sigma Advisers, LP | 1,100,800 | $1.00M | 0.00% | +47,400+4.5% | Added |
| Two Sigma Investments, LP | 1,022,261 | $932.8K | 0.00% | +486,166+90.7% | Added |
| Marshall Wace, LLP | 1,015,783 | $924.4K | 0.00% | −631,032−38.3% | Reduced |
| Renaissance Technologies LLC | 997,001 | $910.0K | 0.00% | +997,001 | New |
| Tang Capital Management LLC | 838,600 | $765.2K | 0.07% | 00.0% | Unchanged |
| State Street Corp | 713,551 | $651.1K | 0.00% | +383,400+116.1% | Added |
| ADAR1 Capital Management, LLC | 713,028 | $650.6K | 0.29% | +713,028 | New |
| Nantahala Capital Management, LLC | 672,856 | $614.0K | 0.06% | −5,416,615−89.0% | Reduced |
| D. E. Shaw & Co., Inc. | 506,888 | $462.5K | 0.00% | +235,578+86.8% | Added |
| TD Asset Management Inc | 504,800 | $460.6K | 0.00% | +504,800 | New |
| Susquehanna International Group, LLP | 499,822 | $456.1K | 0.00% | −64,481−11.4% | Reduced |
| Northern Trust Corp | 442,786 | $404.0K | 0.00% | +6,026+1.4% | Added |
| Man Group plc | 379,882 | $346.6K | 0.00% | – | – |
| Schonfeld Strategic Advisors LLC | 369,660 | $337.3K | 0.00% | +9,760+2.7% | Added |
| Victory Capital Management Inc | 312,357 | $285.0K | 0.00% | +291,566+1,402.4% | Added |
| Monaco Asset Management SAM | 280,000 | $255.5K | 0.10% | +280,000 | New |
| Qube Research & Technologies Ltd | 228,592 | $208.6K | 0.00% | +228,592 | New |
| Jane Street Group, LLC | 221,803 | $202.4K | 0.00% | +207,912+1,496.7% | Added |
| Manufacturers Life Insurance Company, The | 185,300 | $169.1K | 0.00% | +185,300 | New |
| Birchview Capital, LP | 138,176 | $126.1K | 0.10% | −70,912−33.9% | Reduced |
| Smith, Moore & Co. | 126,000 | $115.0K | 0.01% | +60,000+90.9% | Added |
| Financial Advocates Investment Management | 98,350 | $89.7K | 0.01% | +25,500+35.0% | Added |
| Bank of New York Mellon Corp | 91,246 | $83.3K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 81,705 | $74.5K | 0.00% | −14,861−15.4% | Reduced |
| Sequoia Financial Advisors, LLC | 68,500 | $62.5K | 0.00% | +10,000+17.1% | Added |
| Boothbay Fund Management, LLC | 58,335 | $53.2K | 0.00% | +58,335 | New |
| XTX Topco Ltd | 53,458 | $48.8K | 0.01% | +53,458 | New |
| Commonwealth Equity Services, LLC | 47,908 | $44.0K | 0.00% | +47,908 | New |
| Tudor Investment Corp Et Al | 46,464 | $42.4K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 46,441 | $42.4K | 0.00% | +46,441 | New |
| Ameriprise Financial Inc | 39,161 | $35.7K | 0.00% | +39,161 | New |
| Principal Financial Group Inc | 34,543 | $31.5K | 0.00% | +1,039+3.1% | Added |
| Virtu Financial LLC | 32,897 | $30.0K | 0.00% | +32,897 | New |
| Two Sigma Securities, LLC | 31,683 | $28.9K | 0.00% | +21,359+206.9% | Added |
| UBS Group AG | 24,016 | $21.9K | 0.00% | +22,016+1,100.8% | Added |
| Clearstead Advisors, LLC | 22,000 | $20.1K | 0.00% | 00.0% | Unchanged |
| HCR Wealth Advisors | 22,000 | $20.1K | 0.00% | +22,000 | New |
| Public Employees Retirement System of Ohio | 20,700 | $18.9K | 0.00% | +20,700 | New |
| Silvercrest Asset Management Group LLC | 19,908 | $18.2K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 17,000 | $15.5K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 12,200 | $11.1K | 0.00% | +5,399+79.4% | Added |
| HRT Financial LP | 12,318 | $11.0K | 0.00% | +12,318 | New |
| waypoint wealth counsel | 11,758 | $10.7K | 0.01% | +300+2.6% | Added |
| Arcus Capital Partners, LLC | 10,042 | $9.16K | 0.00% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 10,000 | $9.13K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 10,000 | $9.13K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 10,505 | $9.00K | 0.00% | +10,505 | New |
| Tower Research Capital LLC (TRC) | 4,802 | $4.38K | 0.00% | −25,354−84.1% | Reduced |
| Rhumbline Advisers | 3,404 | $3.11K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 3,216 | $3.00K | 0.00% | +66+2.1% | Added |
| Wells Fargo & Company | 1,943 | $1.77K | 0.00% | +80+4.3% | Added |
| BNP Paribas Arbitrage, SA | 1,035 | $944 | 0.00% | −3,556−77.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 790 | $721 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 395 | $359 | 0.00% | −205−34.2% | Reduced |
| PFS Partners, LLC | 130 | $119 | 0.00% | −10−7.1% | Reduced |
| Barclays PLC | 100 | $91 | 0.00% | −100−50.0% | Reduced |
| Advisory Services Network, LLC | 40 | $37 | 0.00% | +40 | New |
| Morton Brown Family Wealth, LLC | 25 | $23 | 0.00% | +25 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4 | $4 | 0.00% | 00.0% | Unchanged |
| Boxer Capital, LLC | 0 | $0 | 0.00% | −6,497,700−100.0% | Sold out |
| Great Point Partners LLC | 0 | $0 | 0.00% | −6,230,272−100.0% | Sold out |