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