Day One Biopharmaceuticals, Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| FMR LLC | 11/13/2025 | 10.10 M | $71.19 M | -10.98% | 9.80% |
| BLACKROCK, INC. | 11/12/2025 | 9.00 M | $63.46 M | -8.43% | 8.73% |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 11/13/2025 | 6.43 M | $45.33 M | 0.00% | 6.24% |
| VANGUARD GROUP INC | 11/07/2025 | 6.18 M | $43.58 M | 0.08% | 6.00% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 11/14/2025 | 4.71 M | $33.17 M | 26.38% | 4.57% |
| FRANKLIN RESOURCES INC | 11/13/2025 | 3.48 M | $24.51 M | -15.15% | 3.37% |
| RUBRIC CAPITAL MANAGEMENT LP | 11/14/2025 | 3.38 M | $23.81 M | 100.00% | 3.28% |
| STATE STREET CORP | 11/14/2025 | 3.24 M | $22.85 M | 20.48% | 3.14% |
| VESTAL POINT CAPITAL, LP | 11/14/2025 | 2.68 M | $18.86 M | -10.83% | 2.60% |
| PICTET ASSET MANAGEMENT HOLDING SA | 11/18/2025 | 2.37 M | $16.73 M | -36.25% | 2.30% |
| ALYESKA INVESTMENT GROUP, L.P. | 11/17/2025 | 2.21 M | $15.60 M | -26.56% | 2.15% |
| BRAIDWELL LP | 11/14/2025 | 2.18 M | $15.38 M | 0.00% | 2.12% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 1.76 M | $12.42 M | 2.85% | 1.71% |
| AIGH CAPITAL MANAGEMENT LLC | 10/31/2025 | 1.52 M | $10.72 M | 100.00% | 1.48% |
| MAK CAPITAL ONE LLC | 11/14/2025 | 1.45 M | $10.21 M | 100.00% | 1.41% |
| BALYASNY ASSET MANAGEMENT L.P. | 11/14/2025 | 1.38 M | $9.76 M | 100.00% | 1.34% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 1.37 M | $9.67 M | -18.91% | 1.33% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 11/13/2025 | 1.32 M | $9.31 M | 1.80% | 1.28% |
| ALGERT GLOBAL LLC | 11/14/2025 | 1.32 M | $9.29 M | 45.36% | 1.28% |
| MORGAN STANLEY | 11/14/2025 | 1.30 M | $9.19 M | -3.63% | 1.27% |
| DIMENSIONAL FUND ADVISORS LP | 11/12/2025 | 1.22 M | $8.62 M | -13.64% | 1.19% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 1.19 M | $8.40 M | 23.45% | 1.16% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 11/14/2025 | 1.17 M | $8.23 M | 23.67% | 1.13% |
| DAFNA CAPITAL MANAGEMENT LLC | 11/14/2025 | 999.16 K | $7.04 M | 13.65% | 0.97% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 905.48 K | $6.38 M | -9.50% | 0.88% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 693.32 K | $4.89 M | -42.60% | 0.67% |
| CITADEL ADVISORS LLC | 11/14/2025 | 663.21 K | $4.68 M | -5.75% | 0.64% |
| STONEPINE CAPITAL MANAGEMENT, LLC | 11/13/2025 | 647.38 K | $4.56 M | 43.86% | 0.63% |
| NORTHERN TRUST CORP | 11/14/2025 | 629.59 K | $4.44 M | 3.02% | 0.61% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 610.06 K | $4.30 M | 5.41% | 0.59% |
| J. GOLDMAN & CO LP | 11/14/2025 | 569.62 K | $4.02 M | 2.18% | 0.55% |
| KENNEDY CAPITAL MANAGEMENT LLC | 11/13/2025 | 540.38 K | $3.81 M | 19.15% | 0.52% |
| BARCLAYS PLC | 11/12/2025 | 347.19 K | $2.45 M | -0.27% | 0.34% |
| HRT FINANCIAL LP | 11/14/2025 | 321.38 K | $2.27 M | 100.00% | 0.31% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 306.18 K | $2.16 M | -0.54% | 0.30% |
| PALE FIRE CAPITAL SE | 11/13/2025 | 302.47 K | $2.13 M | 768.09% | 0.29% |
| PARKMAN HEALTHCARE PARTNERS LLC | 11/14/2025 | 301.75 K | $2.13 M | -39.65% | 0.29% |
| JANE STREET GROUP, LLC | 11/14/2025 | 279.34 K | $1.97 M | 100.00% | 0.27% |
| PARKWOOD LLC | 11/14/2025 | 275.00 K | $1.94 M | 0.00% | 0.27% |
| JUMP FINANCIAL, LLC | 11/13/2025 | 272.55 K | $1.92 M | 100.00% | 0.26% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 11/13/2025 | 270.22 K | $1.89 M | 50.01% | 0.26% |
| BNP PARIBAS ARBITRAGE, SNC | 11/13/2025 | 268.29 K | $1.89 M | 113.84% | 0.26% |
| TREXQUANT INVESTMENT LP | 11/14/2025 | 266.58 K | $1.88 M | 130.95% | 0.26% |
| FISHER ASSET MANAGEMENT, LLC | 11/12/2025 | 220.16 K | $1.55 M | -0.82% | 0.21% |
| UBS GROUP AG | 11/13/2025 | 209.72 K | $1.48 M | 134.39% | 0.20% |
| QUEST PARTNERS LLC | 11/03/2025 | 185.01 K | $1.30 M | 1,065.61% | 0.18% |
| SPHERA FUNDS MANAGEMENT LTD. | 11/14/2025 | 175.37 K | $1.24 M | 0.00% | 0.17% |
| NUVEEN, LLC | 11/12/2025 | 150.37 K | $1.06 M | 0.00% | 0.15% |
| RUSSELL INVESTMENTS GROUP, LTD. | 11/13/2025 | 150.35 K | $1.06 M | 4.81% | 0.15% |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 11/14/2025 | 138.42 K | $975.86 K | -47.43% | 0.13% |
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Day One Biopharmaceuticals, Inc. institutional Ownership - FAQ's
During the previous two years, 222 institutional investors and hedge funds held shares of Day One Biopharmaceuticals, Inc.. The most heavily invested institutionals were:
FMR LLC: 10.1 M
BlackRock, Inc.: 9 M
Atlas Venture Life Science Advisors, LLC: 6.43 M
VANGUARD GROUP INC: 6.18 M
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C): 4.71 M
FRANKLIN RESOURCES INC: 3.48 M
82.98% of Day One Biopharmaceuticals, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 91.98 M shares in the last 24 months. This purchase volume represents approximately $728.49 M in transactions.