Gossamer Bio Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 05/13/2026 | 16.83 M | $5.53 M | -1.35% | 7.36% |
| 05/15/2026 | 10.24 M | $3.36 M | 100.00% | 4.48% | |
| AQR CAPITAL MANAGEMENT LLC | 05/15/2026 | 10.13 M | $3.33 M | 804.80% | 4.43% |
| 05/15/2026 | 9.39 M | $3.09 M | 100.00% | 4.11% | |
| ARCH VENTURE MANAGEMENT, LLC | 05/15/2026 | 8.06 M | $2.65 M | 0.00% | 3.53% |
| OCTAGON CAPITAL ADVISORS LP | 05/15/2026 | 7.75 M | $2.55 M | -44.31% | 3.39% |
| SAMSARA BIOCAPITAL, LLC | 05/15/2026 | 7.22 M | $2.37 M | 0.00% | 3.16% |
| BALYASNY ASSET MANAGEMENT L.P. | 05/15/2026 | 5.92 M | $1.95 M | 290.47% | 2.59% |
| ACADIAN ASSET MANAGEMENT LLC | 05/13/2026 | 5.28 M | $1.73 M | 19.49% | 2.31% |
| SIREN, L.L.C. | 05/14/2026 | 5.21 M | $1.71 M | 0.00% | 2.28% |
| 683 CAPITAL MANAGEMENT, LLC | 05/15/2026 | 5.00 M | $1.64 M | -3.68% | 2.19% |
| HHLR ADVISORS, LTD. | 05/15/2026 | 4.97 M | $1.63 M | 0.00% | 2.18% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 4.94 M | $1.62 M | 1.37% | 2.16% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 05/15/2026 | 4.92 M | $1.62 M | 809.74% | 2.15% |
| TWO SIGMA INVESTMENTS, LP | 05/15/2026 | 4.78 M | $1.57 M | 40.73% | 2.09% |
| STATE STREET CORP | 05/15/2026 | 4.39 M | $1.44 M | -52.87% | 1.92% |
| CI PRIVATE WEALTH, LLC | 05/15/2026 | 3.99 M | $1.31 M | 3.63% | 1.74% |
| SQUAREPOINT OPS LLC | 05/15/2026 | 3.40 M | $1.12 M | 1,433.80% | 1.49% |
| GSA CAPITAL PARTNERS LLP | 05/08/2026 | 3.25 M | $1.07 M | 6,175.03% | 1.42% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 3.17 M | $1.04 M | 66.45% | 1.39% |
| BARCLAYS PLC | 05/15/2026 | 3.07 M | $1.01 M | 431.77% | 1.34% |
| 05/08/2026 | 2.16 M | $711.00 K | 100.00% | 0.95% | |
| ALYESKA INVESTMENT GROUP, L.P. | 05/15/2026 | 2.05 M | $673.90 K | 125.66% | 0.90% |
| UBS GROUP AG | 05/05/2026 | 1.88 M | $619.70 K | 6.33% | 0.82% |
| ENSIGN PEAK ADVISORS, INC | 05/13/2026 | 1.70 M | $559.15 K | 100.00% | 0.74% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 05/15/2026 | 1.70 M | $556.86 K | -22.17% | 0.74% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 05/15/2026 | 1.61 M | $528.72 K | -50.73% | 0.70% |
| MACKENZIE FINANCIAL CORP | 05/13/2026 | 1.54 M | $504.88 K | 401.52% | 0.67% |
| MB GENERATIONAL WEALTH, LLC | 05/04/2026 | 1.53 M | $503.31 K | -4.57% | 0.67% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/15/2026 | 1.51 M | $496.06 K | -10.42% | 0.66% |
| NORTHERN TRUST CORP | 05/14/2026 | 1.41 M | $462.84 K | -0.54% | 0.62% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 1.40 M | $462.01 K | 100.00% | 0.61% |
| DEUTSCHE BANK AG\ | 05/06/2026 | 1.31 M | $430.94 K | 1.68% | 0.57% |
| RENAISSANCE TECHNOLOGIES LLC | 05/14/2026 | 1.22 M | $400.07 K | 84.84% | 0.53% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 1.22 M | $401.28 K | -59.07% | 0.53% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 1.18 M | $387.81 K | -34.13% | 0.52% |
| NEA MANAGEMENT COMPANY, LLC | 05/15/2026 | 1.00 M | $328.50 K | -94.47% | 0.44% |
| VOYA INVESTMENT MANAGEMENT LLC | 05/12/2026 | 866.62 K | $284.68 K | 2,273.64% | 0.38% |
| HENNION & WALSH ASSET MANAGEMENT, INC. | 05/13/2026 | 828.72 K | $272.23 K | 26.91% | 0.36% |
| 05/15/2026 | 820.00 K | $269.37 K | 100.00% | 0.36% | |
| XTX TOPCO LTD | 05/15/2026 | 679.13 K | $223.09 K | 48.82% | 0.30% |
| CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 05/11/2026 | 658.22 K | $216.23 K | 24.65% | 0.29% |
| MURCHINSON LTD. | 05/15/2026 | 530.00 K | $174.37 K | 100.00% | 0.23% |
| SILVERBACK ASSET MANAGEMENT LLC | 05/21/2026 | 500.00 K | $164.25 K | 100.00% | 0.22% |
| SMITH, MOORE & CO. | 05/05/2026 | 470.00 K | $154.40 K | 67.86% | 0.21% |
| PANAGORA ASSET MANAGEMENT INC | 05/14/2026 | 469.95 K | $154.38 K | 219.05% | 0.21% |
| INVESCO LTD. | 05/12/2026 | 464.97 K | $152.74 K | -2.91% | 0.20% |
| BANK OF NEW YORK MELLON CORP | 05/05/2026 | 428.24 K | $140.68 K | -4.39% | 0.19% |
| MARINER, LLC | 05/13/2026 | 418.40 K | $137.45 K | 549.19% | 0.18% |
| IEQ CAPITAL, LLC | 05/15/2026 | 393.74 K | $129.34 K | 3,412.08% | 0.17% |
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Gossamer Bio Inc institutional Ownership - FAQ's
During the previous two years, 258 institutional investors and hedge funds held shares of Gossamer Bio Inc. The most heavily invested institutionals were:
BlackRock, Inc.: 16.83 M
AQR CAPITAL MANAGEMENT LLC: 10.13 M
ARCH Venture Management, LLC: 8.06 M
Octagon Capital Advisors LP: 7.75 M
Samsara BioCapital, LLC: 7.22 M
BALYASNY ASSET MANAGEMENT L.P.: 5.92 M
73.09% of Gossamer Bio Inc stock is owned by institutional investors.
Institutional investors have bought a total of 171.86 M shares in the last 24 months. This purchase volume represents approximately $96.24 M in transactions.