Gossamer Bio Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| NEA MANAGEMENT COMPANY, LLC | 02/17/2026 | 18.09 M | $56.09 M | 0.00% | 7.94% |
| BLACKROCK, INC. | 02/12/2026 | 17.06 M | $52.88 M | 23.19% | 7.48% |
| OCTAGON CAPITAL ADVISORS LP | 02/17/2026 | 13.92 M | $43.14 M | -18.38% | 6.10% |
| VANGUARD GROUP INC | 01/29/2026 | 12.87 M | $39.91 M | 7.19% | 5.65% |
| STATE STREET CORP | 02/13/2026 | 9.31 M | $28.86 M | 139.75% | 4.08% |
| ARCH VENTURE MANAGEMENT, LLC | 02/17/2026 | 8.06 M | $24.97 M | 0.00% | 3.53% |
| SAMSARA BIOCAPITAL, LLC | 02/17/2026 | 7.22 M | $22.39 M | 17.82% | 3.17% |
| SIREN, L.L.C. | 02/13/2026 | 5.21 M | $16.15 M | 0.00% | 2.28% |
| 683 CAPITAL MANAGEMENT, LLC | 02/17/2026 | 5.19 M | $16.09 M | 2.60% | 2.28% |
| HHLR ADVISORS, LTD. | 02/17/2026 | 4.97 M | $15.42 M | 0.00% | 2.18% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 4.87 M | $15.11 M | 3.91% | 2.14% |
| PALO ALTO INVESTORS LP | 02/17/2026 | 4.47 M | $13.86 M | -18.17% | 1.96% |
| ACADIAN ASSET MANAGEMENT LLC | 02/10/2026 | 4.42 M | $13.69 M | -11.89% | 1.94% |
| FMR LLC | 02/17/2026 | 4.24 M | $13.14 M | 3.73% | 1.86% |
| CI PRIVATE WEALTH, LLC | 03/09/2026 | 3.85 M | $11.92 M | 19,123.66% | 1.69% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 3.58 M | $11.11 M | -0.97% | 1.57% |
| TWO SIGMA INVESTMENTS, LP | 02/17/2026 | 3.40 M | $10.53 M | 48.52% | 1.49% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 02/17/2026 | 3.27 M | $10.13 M | 0.00% | 1.43% |
| PERCEPTIVE ADVISORS LLC | 02/17/2026 | 3.14 M | $9.73 M | -17.65% | 1.38% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 2.97 M | $9.21 M | -10.02% | 1.30% |
| OPALEYE MANAGEMENT INC. | 04/13/2026 | 2.72 M | $8.43 M | -0.18% | 1.19% |
| TWO SIGMA ADVISERS, LP | 02/17/2026 | 2.60 M | $8.05 M | 38.86% | 1.14% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 02/13/2026 | 2.18 M | $6.75 M | 54.68% | 0.96% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 02/12/2026 | 2.14 M | $6.62 M | -55.31% | 0.94% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 1.91 M | $5.91 M | -33.84% | 0.84% |
| GOLDMAN SACHS GROUP INC | 03/25/2026 | 1.79 M | $5.56 M | 498.20% | 0.79% |
| UBS GROUP AG | 01/29/2026 | 1.77 M | $5.49 M | -36.05% | 0.78% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 1.69 M | $5.23 M | -2.54% | 0.74% |
| MB GENERATIONAL WEALTH, LLC | 02/10/2026 | 1.61 M | $4.98 M | 13.47% | 0.70% |
| BALYASNY ASSET MANAGEMENT L.P. | 02/17/2026 | 1.52 M | $4.70 M | 96.83% | 0.67% |
| NORTHERN TRUST CORP | 02/17/2026 | 1.42 M | $4.39 M | -5.27% | 0.62% |
| DEUTSCHE BANK AG\ | 02/11/2026 | 1.28 M | $3.98 M | 0.42% | 0.56% |
| AQR CAPITAL MANAGEMENT LLC | 02/17/2026 | 1.12 M | $3.47 M | 73.09% | 0.49% |
| WALLEYE CAPITAL LLC | 02/13/2026 | 1.08 M | $3.34 M | 97.37% | 0.47% |
| MONASHEE INVESTMENT MANAGEMENT LLC | 02/12/2026 | 1.00 M | $3.10 M | 100.00% | 0.44% |
| INTEGRAL HEALTH ASSET MANAGEMENT, LLC | 02/17/2026 | 1.00 M | $3.10 M | 100.00% | 0.44% |
| HRT FINANCIAL LP | 02/12/2026 | 956.88 K | $2.97 M | 100.00% | 0.42% |
| MORGAN STANLEY | 02/13/2026 | 918.89 K | $2.85 M | 62.23% | 0.40% |
| ALYESKA INVESTMENT GROUP, L.P. | 02/13/2026 | 909.09 K | $2.82 M | -52.38% | 0.40% |
| DIADEMA PARTNERS LP | 02/17/2026 | 877.10 K | $2.72 M | 6.34% | 0.38% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 02/13/2026 | 750.31 K | $2.33 M | 18.08% | 0.33% |
| CITADEL ADVISORS LLC | 02/17/2026 | 704.79 K | $2.18 M | -69.15% | 0.31% |
| CITADEL ADVISORS LLC | 02/17/2026 | 691.10 K | $2.14 M | 142.75% | 0.30% |
| RENAISSANCE TECHNOLOGIES LLC | 02/12/2026 | 658.89 K | $2.04 M | -77.89% | 0.29% |
| HENNION & WALSH ASSET MANAGEMENT, INC. | 01/14/2026 | 652.98 K | $2.02 M | 100.00% | 0.29% |
| WELLINGTON MANAGEMENT GROUP LLP | 02/17/2026 | 601.32 K | $1.86 M | -6.29% | 0.26% |
| BARCLAYS PLC | 02/13/2026 | 576.53 K | $1.79 M | 112.19% | 0.25% |
| PLATINUM INVESTMENT MANAGEMENT LTD | 02/13/2026 | 561.95 K | $1.74 M | -26.46% | 0.25% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 02/17/2026 | 540.57 K | $1.68 M | 158.91% | 0.24% |
| CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 02/10/2026 | 528.05 K | $1.64 M | 1,974.95% | 0.23% |
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Gossamer Bio Inc institutional Ownership - FAQ's
During the previous two years, 255 institutional investors and hedge funds held shares of Gossamer Bio Inc. The most heavily invested institutionals were:
GSA CAPITAL PARTNERS LLP: 3.25 M
UBS Group AG: 1.88 M
MB Generational Wealth, LLC: 1.53 M
VANGUARD FIDUCIARY TRUST CO: 1.4 M
DEUTSCHE BANK AG\: 1.31 M
VOYA INVESTMENT MANAGEMENT LLC: 866,615
81.14% of Gossamer Bio Inc stock is owned by institutional investors.
Institutional investors have bought a total of 200.07 M shares in the last 24 months. This purchase volume represents approximately $112.04 M in transactions.