Gossamer Bio, Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| NEA MANAGEMENT COMPANY, LLC | 11/14/2025 | 18.09 M | $47.58 M | 0.00% | 7.96% |
| OCTAGON CAPITAL ADVISORS LP | 11/14/2025 | 17.05 M | $44.84 M | -7.08% | 7.50% |
| BLACKROCK, INC. | 11/12/2025 | 13.85 M | $36.42 M | 14.03% | 6.09% |
| VANGUARD GROUP INC | 11/07/2025 | 12.01 M | $31.59 M | 5.25% | 5.28% |
| ARCH VENTURE MANAGEMENT, LLC | 11/14/2025 | 8.06 M | $21.19 M | 0.00% | 3.54% |
| SAMSARA BIOCAPITAL, LLC | 11/14/2025 | 6.13 M | $16.12 M | 0.00% | 2.70% |
| PALO ALTO INVESTORS LP | 11/14/2025 | 5.46 M | $14.37 M | -4.79% | 2.40% |
| SIREN, L.L.C. | 11/13/2025 | 5.21 M | $13.70 M | 0.00% | 2.29% |
| 683 CAPITAL MANAGEMENT, LLC | 11/14/2025 | 5.06 M | $13.31 M | -20.20% | 2.23% |
| ACADIAN ASSET MANAGEMENT LLC | 11/13/2025 | 5.01 M | $13.18 M | -29.85% | 2.21% |
| HHLR ADVISORS, LTD. | 11/14/2025 | 4.97 M | $13.08 M | 0.00% | 2.19% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 11/12/2025 | 4.78 M | $12.57 M | -7.14% | 2.10% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 4.69 M | $12.34 M | 2.95% | 2.06% |
| FMR LLC | 11/13/2025 | 4.09 M | $10.74 M | -44.15% | 1.80% |
| STATE STREET CORP | 11/14/2025 | 3.88 M | $10.21 M | 56.51% | 1.71% |
| PERCEPTIVE ADVISORS LLC | 11/14/2025 | 3.81 M | $10.03 M | 100.00% | 1.68% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 3.62 M | $9.52 M | 629.34% | 1.59% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 3.30 M | $8.68 M | 169.36% | 1.45% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 11/14/2025 | 3.27 M | $8.59 M | 0.00% | 1.44% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 2.98 M | $7.84 M | 9.07% | 1.31% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 2.88 M | $7.58 M | 4,196.22% | 1.27% |
| UBS GROUP AG | 11/13/2025 | 2.77 M | $7.29 M | 785.73% | 1.22% |
| OPALEYE MANAGEMENT INC. | 11/14/2025 | 2.73 M | $7.17 M | -23.13% | 1.20% |
| CAPTION MANAGEMENT, LLC | 11/14/2025 | 2.41 M | $6.34 M | 1,047.62% | 1.06% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 2.29 M | $6.02 M | 31.07% | 1.01% |
| CITADEL ADVISORS LLC | 11/14/2025 | 2.28 M | $6.01 M | 197.59% | 1.01% |
| ALYESKA INVESTMENT GROUP, L.P. | 11/17/2025 | 1.91 M | $5.02 M | -57.19% | 0.84% |
| TWO SIGMA ADVISERS, LP | 11/14/2025 | 1.87 M | $4.92 M | 11.83% | 0.82% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 1.73 M | $4.55 M | 6.67% | 0.76% |
| NORTHERN TRUST CORP | 11/14/2025 | 1.50 M | $3.93 M | -1.63% | 0.66% |
| MB GENERATIONAL WEALTH, LLC | 11/06/2025 | 1.41 M | $3.72 M | 100.00% | 0.62% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 11/17/2025 | 1.41 M | $3.70 M | 29.00% | 0.62% |
| MONACO ASSET MANAGEMENT SAM | 11/10/2025 | 1.38 M | $3.63 M | -61.14% | 0.61% |
| COLONY GROUP, LLC | 11/14/2025 | 1.33 M | $3.49 M | 15.23% | 0.58% |
| DEUTSCHE BANK AG\ | 11/13/2025 | 1.28 M | $3.36 M | -43.45% | 0.56% |
| NUVEEN, LLC | 11/12/2025 | 1.08 M | $2.83 M | 336.33% | 0.47% |
| JAIN GLOBAL LLC | 11/14/2025 | 1.05 M | $2.77 M | 100.00% | 0.46% |
| ROYAL BANK OF CANADA | 11/14/2025 | 1.00 M | $2.64 M | 1,118.51% | 0.44% |
| EVERSEPT PARTNERS, LP | 11/14/2025 | 925.23 K | $2.43 M | -45.44% | 0.41% |
| DIADEMA PARTNERS LP | 11/14/2025 | 824.80 K | $2.17 M | 0.00% | 0.36% |
| TANG CAPITAL MANAGEMENT LLC | 11/14/2025 | 800.00 K | $2.10 M | 100.00% | 0.35% |
| BALYASNY ASSET MANAGEMENT L.P. | 11/14/2025 | 770.57 K | $2.03 M | 100.00% | 0.34% |
| PLATINUM INVESTMENT MANAGEMENT LTD | 11/13/2025 | 764.17 K | $2.01 M | -44.78% | 0.34% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 11/14/2025 | 726.80 K | $1.91 M | 100.00% | 0.32% |
| JANE STREET GROUP, LLC | 11/14/2025 | 702.07 K | $1.85 M | 100.00% | 0.31% |
| RUSSELL INVESTMENTS GROUP, LTD. | 11/13/2025 | 685.05 K | $1.80 M | 100.00% | 0.30% |
| AQR CAPITAL MANAGEMENT LLC | 11/14/2025 | 646.62 K | $1.70 M | 100.00% | 0.28% |
| WELLINGTON MANAGEMENT GROUP LLP | 11/14/2025 | 641.72 K | $1.69 M | 100.00% | 0.28% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 11/13/2025 | 635.40 K | $1.67 M | -43.17% | 0.28% |
| MORGAN STANLEY | 11/14/2025 | 566.42 K | $1.49 M | -30.81% | 0.25% |
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Gossamer Bio, Inc. institutional Ownership - FAQ's
During the previous two years, 202 institutional investors and hedge funds held shares of Gossamer Bio, Inc.. The most heavily invested institutionals were:
NEA Management Company, LLC: 18.09 M
Octagon Capital Advisors LP: 17.05 M
BlackRock, Inc.: 13.85 M
VANGUARD GROUP INC: 12.01 M
ARCH Venture Management, LLC: 8.06 M
Samsara BioCapital, LLC: 6.13 M
79.24% of Gossamer Bio, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 189.25 M shares in the last 24 months. This purchase volume represents approximately $486.38 M in transactions.