Gossamer Bio, Inc.GOSSNASDAQ
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| Holder | Shares | Date | Change | % Held |
|---|---|---|---|---|
| BRIGHTON JONES LLC | -- | Dec 31, 25 | -13.75K | -- |
| NEA Management Company, LLC | 18.09M | Sep 30, 25 | -- | -- |
| Octagon Capital Advisors LP | 17.05M | Sep 30, 25 | -1.30M | -- |
| BlackRock, Inc. | 13.85M | Sep 30, 25 | +1.70M | -- |
| ARCH Venture Management, LLC | 8.06M | Sep 30, 25 | -- | -- |
| Samsara BioCapital, LLC | 6.13M | Sep 30, 25 | -- | -- |
| Palo Alto Investors LP | 5.46M | Sep 30, 25 | -274.66K | -- |
| Siren, L.L.C. | 5.21M | Sep 30, 25 | -- | -- |
| 683 Capital Management, LLC | 5.06M | Sep 30, 25 | -1.28M | -- |
| ACADIAN ASSET MANAGEMENT LLC | 5.01M | Sep 30, 25 | -2.13M | -- |
| HHLR ADVISORS, LTD. | 4.97M | Sep 30, 25 | -- | -- |
| SILVERARC CAPITAL MANAGEMENT, LLC | 4.78M | Sep 30, 25 | -367.70K | -- |
| GEODE CAPITAL MANAGEMENT, LLC | 4.69M | Sep 30, 25 | +134.45K | -- |
| FMR LLC | 4.09M | Sep 30, 25 | -3.23M | -- |
| STATE STREET CORP | 3.88M | Sep 30, 25 | +1.40M | -- |
| PERCEPTIVE ADVISORS LLC | 3.81M | Sep 30, 25 | +3.81M | -- |
| MILLENNIUM MANAGEMENT LLC | 3.62M | Sep 30, 25 | +3.12M | -- |
| Rock Springs Capital Management LP | 3.27M | Sep 30, 25 | -- | -- |
| RENAISSANCE TECHNOLOGIES LLC | 2.98M | Sep 30, 25 | +247.89K | -- |
| BANK OF AMERICA CORP /DE/ | 2.88M | Sep 30, 25 | +2.81M | -- |
| Opaleye Management Inc. | 2.73M | Sep 30, 25 | -820.00K | -- |
| TWO SIGMA INVESTMENTS, LP | 2.29M | Sep 30, 25 | +542.12K | -- |
| CITADEL ADVISORS LLC | 2.28M | Sep 30, 25 | +1.52M | -- |
| Alyeska Investment Group, L.P. | 1.91M | Sep 30, 25 | -2.55M | -- |
| TWO SIGMA ADVISERS, LP | 1.87M | Sep 30, 25 | +197.90K | -- |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.73M | Sep 30, 25 | +108.22K | -- |
| NORTHERN TRUST CORP | 1.50M | Sep 30, 25 | -24.72K | -- |
| MB Generational Wealth, LLC | 1.41M | Sep 30, 25 | +1.41M | -- |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 1.41M | Sep 30, 25 | +316.55K | -- |
| Monaco Asset Management SAM | 1.38M | Sep 30, 25 | -2.17M | -- |
| Colony Group, LLC | 1.33M | Sep 30, 25 | +175.20K | -- |
| DEUTSCHE BANK AG\ | 1.28M | Sep 30, 25 | -982.53K | -- |
| Nuveen, LLC | 1.08M | Sep 30, 25 | +830.27K | -- |
| Jain Global LLC | 1.05M | Sep 30, 25 | +1.05M | -- |
| ROYAL BANK OF CANADA | 1.00M | Sep 30, 25 | +919.41K | -- |
| Eversept Partners, LP | 925.23K | Sep 30, 25 | -770.53K | -- |
| TANG CAPITAL MANAGEMENT LLC | 800.00K | Sep 30, 25 | +800.00K | -- |
| BALYASNY ASSET MANAGEMENT L.P. | 770.57K | Sep 30, 25 | +770.57K | -- |
| PLATINUM INVESTMENT MANAGEMENT LTD | 764.16K | Sep 30, 25 | -619.70K | -- |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 726.80K | Sep 30, 25 | +726.80K | -- |
| JANE STREET GROUP, LLC | 702.07K | Sep 30, 25 | +702.07K | -- |
| Russell Investments Group, Ltd. | 685.05K | Sep 30, 25 | +685.05K | -- |
| AQR CAPITAL MANAGEMENT LLC | 646.62K | Sep 30, 25 | +646.62K | -- |
| WELLINGTON MANAGEMENT GROUP LLP | 641.72K | Sep 30, 25 | +641.72K | -- |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 635.40K | Sep 30, 25 | -482.57K | -- |
| MORGAN STANLEY | 566.42K | Sep 30, 25 | -252.27K | -- |
| Walleye Capital LLC | 545.68K | Sep 30, 25 | +545.68K | -- |
| SILVERBACK ASSET MANAGEMENT LLC | 500.00K | Sep 30, 25 | +150.00K | -- |
| Woodline Partners LP | 495.15K | Sep 30, 25 | -- | -- |
| Exome Asset Management LLC | 451.70K | Sep 30, 25 | -646.30K | -- |
| Bank of New York Mellon Corp | 448.21K | Sep 30, 25 | +61.50K | -- |
| Invesco Ltd. | 352.09K | Sep 30, 25 | +112.84K | -- |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 335.90K | Sep 30, 25 | -150.00K | -- |
| MACKENZIE FINANCIAL CORP | 309.05K | Sep 30, 25 | -244.01K | -- |
| GOLDMAN SACHS GROUP INC | 299.58K | Sep 30, 25 | +138.89K | -- |
| EAM Investors, LLC | 278.42K | Sep 30, 25 | +278.42K | -- |
| XTX Topco Ltd | 274.78K | Sep 30, 25 | +175.81K | -- |
| BARCLAYS PLC | 271.71K | Sep 30, 25 | -67.09K | -- |
| D. E. Shaw & Co., Inc. | 248.82K | Sep 30, 25 | +192.01K | -- |
| RHUMBLINE ADVISERS | 225.06K | Sep 30, 25 | -5.99K | -- |
| ADAR1 Capital Management, LLC | 212.53K | Sep 30, 25 | -14.70K | -- |
| Qube Research & Technologies Ltd | 208.79K | Sep 30, 25 | -40.99K | -- |
| Stonepine Capital Management, LLC | 204.77K | Sep 30, 25 | +204.77K | -- |
| JPMORGAN CHASE & CO | 194.37K | Sep 30, 25 | +103.92K | -- |
| GSA CAPITAL PARTNERS LLP | 190.81K | Sep 30, 25 | -569.63K | -- |
| Cubist Systematic Strategies, LLC | 162.78K | Sep 30, 25 | +162.78K | -- |
| LPL Financial LLC | 138.33K | Sep 30, 25 | +71.33K | -- |
| Birchview Capital, LP | 138.18K | Sep 30, 25 | -- | -- |
| PRELUDE CAPITAL MANAGEMENT, LLC | 136.20K | Sep 30, 25 | -237.97K | -- |
| Atom Investors LP | 132.55K | Sep 30, 25 | -597.80K | -- |
| Sequoia Financial Advisors, LLC | 117.50K | Sep 30, 25 | -1.00K | -- |
| WELLS FARGO & COMPANY/MN | 116.67K | Sep 30, 25 | +18.51K | -- |
| VICTORY CAPITAL MANAGEMENT INC | 105.23K | Sep 30, 25 | -735 | -- |
| MetLife Investment Management, LLC | 101.51K | Sep 30, 25 | -14.30K | -- |
| INTECH INVESTMENT MANAGEMENT LLC | 100.85K | Sep 30, 25 | +2.54K | -- |
| PRICE T ROWE ASSOCIATES INC /MD/ | 100.66K | Sep 30, 25 | +5.37K | -- |
| ALPS ADVISORS INC | 99.16K | Sep 30, 25 | -23.49K | -- |
| ALLIANCEBERNSTEIN L.P. | 98.68K | Sep 30, 25 | +72.26K | -- |
| BNP PARIBAS ARBITRAGE, SNC | 96.40K | Sep 30, 25 | +79.29K | -- |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 87.27K | Sep 30, 25 | -16.67K | -- |
| Quadrature Capital Ltd | 79.71K | Sep 30, 25 | -16.09K | -- |
| Cambridge Investment Research Advisors, Inc. | 77.44K | Sep 30, 25 | +58.14K | -- |
| GROUP ONE TRADING, L.P. | 74.53K | Sep 30, 25 | -158.64K | -- |
| Velan Capital Investment Management LP | 70.00K | Sep 30, 25 | -5.00K | -- |
| Graham Capital Management, L.P. | 67.37K | Sep 30, 25 | +20.47K | -- |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 65.38K | Sep 30, 25 | -6.68K | -- |
| SEI INVESTMENTS CO | 61.19K | Sep 30, 25 | +61.19K | -- |
| OMERS ADMINISTRATION Corp | 59.10K | Sep 30, 25 | +59.10K | -- |
| Police & Firemen's Retirement System of New Jersey | 51.31K | Sep 30, 25 | +8.40K | -- |
| EntryPoint Capital, LLC | 51.26K | Sep 30, 25 | +51.26K | -- |
| PRUDENTIAL FINANCIAL INC | 50.72K | Sep 30, 25 | +300 | -- |
| TUDOR INVESTMENT CORP ET AL | 50.10K | Sep 30, 25 | +3.64K | -- |
| AXQ CAPITAL, LP | 46.37K | Sep 30, 25 | +46.37K | -- |
| NEW YORK STATE COMMON RETIREMENT FUND | 43.60K | Sep 30, 25 | -33.40K | -- |
| COMMONWEALTH EQUITY SERVICES, LLC | 42.67K | Sep 30, 25 | +7.40K | -- |
| LAZARD ASSET MANAGEMENT LLC | 41.70K | Sep 30, 25 | -25.66K | -- |
| LETKO, BROSSEAU & ASSOCIATES INC | 39.40K | Sep 30, 25 | +39.40K | -- |
| DLD Asset Management, LP | 37.54K | Sep 30, 25 | +37.54K | -- |
| VOYA INVESTMENT MANAGEMENT LLC | 36.51K | Sep 30, 25 | -17.92K | -- |
| BANK OF NOVA SCOTIA | 35.00K | Sep 30, 25 | +35.00K | -- |
| ProShare Advisors LLC | 32.48K | Sep 30, 25 | -6.47K | -- |
| Sivia Capital Partners, LLC | 31.14K | Sep 30, 25 | +1.12K | -- |
| CITIGROUP INC | 30.02K | Sep 30, 25 | -37.42K | -- |
| PANAGORA ASSET MANAGEMENT INC | 29.90K | Sep 30, 25 | +29.90K | -- |
| ADVISOR GROUP HOLDINGS, INC. | 28.27K | Sep 30, 25 | +126 | -- |
| HSBC HOLDINGS PLC | 25.97K | Sep 30, 25 | +7.90K | -- |
| Connor, Clark & Lunn Investment Management Ltd. | 25.45K | Sep 30, 25 | +25.45K | -- |
| Clearstead Advisors, LLC | 23.88K | Sep 30, 25 | +334 | -- |
| Cerity Partners LLC | 22.84K | Sep 30, 25 | +9.08K | -- |
| Mariner, LLC | 22.47K | Sep 30, 25 | +22.47K | -- |
| FULLCIRCLE WEALTH LLC | 22.10K | Sep 30, 25 | +22.10K | -- |
| Caitong International Asset Management Co., Ltd | 21.64K | Sep 30, 25 | +21.64K | -- |
| Legal & General Group Plc | 20.89K | Sep 30, 25 | -268 | -- |
| CI Private Wealth, LLC | 20.01K | Sep 30, 25 | -3.67M | -- |
| Evernest Financial Advisors, LLC | 20.00K | Sep 30, 25 | +20.00K | -- |
| HighTower Advisors, LLC | 19.50K | Sep 30, 25 | +19.50K | -- |
| Voleon Capital Management LP | 19.50K | Sep 30, 25 | +19.50K | -- |
| Susquehanna Portfolio Strategies, LLC | 18.90K | Sep 30, 25 | +18.90K | -- |
| Creative Planning | 18.66K | Sep 30, 25 | +18.66K | -- |
| DRIVE WEALTH MANAGEMENT, LLC | 18.20K | Sep 30, 25 | -7.27K | -- |
| JONES FINANCIAL COMPANIES LLLP | 17.36K | Sep 30, 25 | +10.03K | -- |
| Vanguard Personalized Indexing Management, LLC | 16.72K | Sep 30, 25 | +231 | -- |
| TWO SIGMA SECURITIES, LLC | 16.34K | Sep 30, 25 | +16.34K | -- |
| Kestra Advisory Services, LLC | 16.00K | Sep 30, 25 | +16.00K | -- |
| Ameritas Investment Partners, Inc. | 15.87K | Sep 30, 25 | -3.52K | -- |
| MERCER GLOBAL ADVISORS INC /ADV | 15.74K | Sep 30, 25 | +15.74K | -- |
| XPONANCE, INC. | 14.82K | Sep 30, 25 | +145 | -- |
| PRINCIPAL FINANCIAL GROUP INC | 14.58K | Sep 30, 25 | +1.07K | -- |
| Brevan Howard Capital Management LP | 14.09K | Sep 30, 25 | +14.09K | -- |
| Tower Research Capital LLC (TRC) | 12.95K | Sep 30, 25 | +10.70K | -- |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 11.86K | Sep 30, 25 | +9 | -- |
| WOLVERINE TRADING, LLC | 11.79K | Sep 30, 25 | +11.79K | -- |
| SRS Capital Advisors, Inc. | 10.86K | Sep 30, 25 | +10.86K | -- |
| GTS SECURITIES LLC | 10.63K | Sep 30, 25 | +10.63K | -- |
| MML INVESTORS SERVICES, LLC | 10.36K | Sep 30, 25 | +10.36K | -- |
| Ciovacco Capital Management LLC | 10.20K | Sep 30, 25 | +10.20K | -- |
| Rockefeller Capital Management L.P. | 10.20K | Sep 30, 25 | +10.20K | -- |
| Texas Yale Capital Corp. | 10.00K | Sep 30, 25 | -- | -- |
| AMALGAMATED BANK | 6.49K | Sep 30, 25 | -- | -- |
| SBI Securities Co., Ltd. | 5.20K | Sep 30, 25 | +4.24K | -- |
| Steward Partners Investment Advisory, LLC | 1.00K | Sep 30, 25 | -- | -- |
| Allworth Financial LP | 991 | Sep 30, 25 | +991 | -- |
| Federation des caisses Desjardins du Quebec | 750 | Sep 30, 25 | -- | -- |
| EverSource Wealth Advisors, LLC | 468 | Sep 30, 25 | +468 | -- |
| Sterling Capital Management LLC | 460 | Sep 30, 25 | +1 | -- |
| PNC FINANCIAL SERVICES GROUP, INC. | 289 | Sep 30, 25 | +289 | -- |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | -- | Sep 30, 25 | -382.68K | -- |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | -- | Sep 30, 25 | -497.69K | -- |
| State of Wyoming | -- | Sep 30, 25 | -105.17K | -- |
| AMERIPRISE FINANCIAL INC | -- | Sep 30, 25 | -434.05K | -- |
| Schonfeld Strategic Advisors LLC | -- | Sep 30, 25 | -897.39K | -- |
| Banco BTG Pactual S.A. | -- | Sep 30, 25 | -22.01K | -- |
| Opti Capital Management, LP | -- | Sep 30, 25 | -414.15K | -- |
| Dauntless Investment Group, LLC | -- | Sep 30, 25 | -10.00K | -- |
| Caption Management, LLC | -- | Sep 30, 25 | -25.48K | -- |
| RAYMOND JAMES FINANCIAL INC | -- | Sep 30, 25 | -270 | -- |
| Laurion Capital Management LP | -- | Sep 30, 25 | -1.34M | -- |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | -- | Sep 30, 25 | -26.16K | -- |
| DAFNA Capital Management LLC | -- | Sep 30, 25 | -849.92K | -- |
| Diametric Capital, LP | -- | Sep 30, 25 | -89.38K | -- |
| CIBC WORLD MARKETS CORP | 23.40K | Jun 30, 25 | +23.40K | -- |
| Allostery Investments LP | -- | Jun 30, 25 | -613.03K | -- |
| Callan Capital, LLC | -- | Mar 31, 25 | -30.00K | -- |
| Merriman Wealth Management, LLC | 142.27K | Dec 31, 24 | +142.27K | -- |
| BlackRock Inc. | 2.81M | Jun 30, 24 | -277.82K | -- |
| Cetera Advisors LLC | 10.04K | Mar 31, 24 | +10.04K | -- |
| Ergoteles LLC | -- | Sep 30, 23 | -21.60K | -- |
| Endurance Wealth Management, Inc. | 1.70K | Jun 30, 23 | -- | -- |
| DOWLING & YAHNKE LLC | 15.10K | Sep 30, 22 | -- | -- |
| PARAMETRIC PORTFOLIO ASSOCIATES LLC | 29.25K | Mar 31, 22 | -6.60K | -- |
| Amalgamated Financial Corp. | 7.49K | Mar 31, 22 | +7.49K | -- |
| Marshall Wace North America L.P. | 840.64K | Sep 30, 21 | -- | -- |
| Winslow, Evans & Crocker, Inc. | 200 | Dec 31, 20 | +200 | -- |
| Aperio Group, LLC | -- | Dec 31, 20 | -16.52K | -- |
| NumerixS Investment Technologies Inc | -- | Jun 30, 20 | -6.20K | -- |
| Advisor Group, Inc. | 917 | Dec 31, 19 | +317 | -- |
| LADENBURG THALMANN FINANCIAL SERVICES INC. | 1 | Dec 31, 19 | -- | -- |
| Flinton Capital Management LLC | 65.18K | Sep 30, 19 | +37.98K | -- |
| Tyers Asset Management LLC | 53.68K | Sep 30, 19 | +31.28K | -- |
| RIVERHEAD CAPITAL MANAGEMENT LLC | 46.77K | Sep 30, 19 | +37.32K | -- |
| Neuburgh Advisers LLC | 42.17K | Sep 30, 19 | +24.57K | -- |
| TIVERTON ASSET MANAGEMENT LLC | 34.94K | Sep 30, 19 | -- | -- |
| Meadow Creek Investment Management LLC | 30.67K | Sep 30, 19 | +17.87K | -- |
| HILLHOUSE INVESTMENT MANAGEMENT, LTD. | 4.97M | Jun 30, 19 | -- | -- |
| TIAA CREF INVESTMENT MANAGEMENT LLC | 30.58K | Mar 31, 19 | +30.58K | -- |
| TEACHERS ADVISORS, LLC | 14.99K | Mar 31, 19 | +14.99K | -- |