Day One Biopharmaceuticals, Inc.
DAWNDelisted Apr 23, 2026- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001845337
Day One Biopharmaceuticals, Inc. was delisted on Apr 23, 2026; its insiders filed their last Form 4 on Apr 27, 2026; 208 institutions reported holding it in 13F filings for Q1 2026, worth $1.85B in total; Soros Fund Management was the only superinvestor holding it.
13F holders, Q4 2025
Institutional positions in Day One Biopharmaceuticals, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 184
- +11 vs. Q3 2025
- Shares held
- 81.4M
- −4.19M (−4.9%) vs. Q3 2025
- Total value
- $758.4M
- +$155.0M (+25.7%) vs. Q3 2025
- New holders
- 44
- 74 more added
- Sold out
- 33
- 43 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting DAWN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $3.55K |
| Q1 2026 | 208 | $1.85B |
| Q4 2025 | 184 | $758.4M |
| Q3 2025 | 173 | $603.5M |
| Q2 2025 | 174 | $561.1M |
| Q1 2025 | 184 | $747.1M |
| Q4 2024 | 164 | $1.19B |
| Q3 2024 | 166 | $1.28B |
| Q2 2024 | 157 | $1.03B |
| Q1 2024 | 148 | $1.20B |
| Q4 2023 | 139 | $1.12B |
| Q3 2023 | 130 | $951.5M |
| Q2 2023 | 140 | $941.0M |
| Q1 2023 | 126 | $818.1M |
| Q4 2022 | 109 | $1.29B |
| Q3 2022 | 93 | $1.21B |
| Q2 2022 | 87 | $1.06B |
| Q1 2022 | 66 | $429.6M |
| Q4 2021 | 58 | $698.3M |
| Q3 2021 | 45 | $452.9M |
| Q2 2021 | 33 | $401.1M |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cetera Investment Advisers | 35,000 | $326.2K | 0.00% | −4,550−11.5% | Reduced |
| Public Employees Retirement System of Ohio | 34,267 | $319.4K | 0.00% | +34,267 | New |
| Landscape Capital Management, L.L.C. | 33,898 | $315.9K | 0.02% | +33,898 | New |
| Martingale Asset Management L P | 33,700 | $314.1K | 0.01% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 33,639 | $313.5K | 0.05% | +7,707+29.7% | Added |
| Axq Capital, LP | 32,405 | $302.0K | 0.07% | +16,099+98.7% | Added |
| Mariner, LLC | 31,167 | $290.3K | 0.00% | +31,167 | New |
| Entropy Technologies, LP | 29,379 | $273.8K | 0.01% | +29,379 | New |
| STRS Ohio | 28,100 | $261.9K | 0.00% | +28,100 | New |
| VARCOV Co. | 28,016 | $261.1K | 0.10% | +28,016 | New |
| AlphaCentric Advisors LLC | 26,812 | $249.9K | 0.25% | +26,812 | New |
| Knott David M Jr | 25,884 | $241.2K | 0.11% | −104,616−80.2% | Reduced |
| Creative Planning | 25,293 | $235.7K | 0.00% | −903−3.4% | Reduced |
| PDT Partners, LLC | 24,300 | $226.5K | 0.01% | +24,300 | New |
| Manufacturers Life Insurance Company, The | 24,243 | $225.9K | 0.00% | −1,224−4.8% | Reduced |
| Citigroup Inc | 24,094 | $224.6K | 0.00% | +16,121+202.2% | Added |
| State of Wisconsin Investment Board | 23,426 | $218.3K | 0.00% | −3,566−13.2% | Reduced |
| Lazard Asset Management LLC | 23,065 | $215.0K | 0.00% | +8,705+60.6% | Added |
| D. E. Shaw & Co., Inc. | 21,919 | $204.3K | 0.00% | −56,053−71.9% | Reduced |
| Janus Henderson Group PLC | 21,300 | $198.6K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 20,411 | $190.2K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 20,311 | $189.3K | 0.00% | +842+4.3% | Added |
| Bayesian Capital Management, LP | 20,277 | $189.0K | 0.43% | +20,277 | New |
| ProShare Advisors LLC | 18,895 | $176.1K | 0.00% | +2,939+18.4% | Added |
| State Board of Administration of Florida Retirement System | 17,880 | $166.6K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 16,731 | $155.9K | 0.01% | −1,224−6.8% | Reduced |
| Quantinno Capital Management LP | 15,988 | $149.0K | 0.00% | +1,182+8.0% | Added |
| KLP Kapitalforvaltning AS | 15,400 | $143.5K | 0.00% | +3,600+30.5% | Added |
| Voya Investment Management LLC | 13,242 | $123.4K | 0.00% | 00.0% | Unchanged |
| ACT Capital Management, LLC | 12,900 | $120.2K | 0.10% | +12,900 | New |
| New York State Common Retirement Fund | 12,132 | $113.1K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 11,635 | $108.4K | 0.01% | −21,630−65.0% | Reduced |
| Cerity Partners LLC | 11,586 | $108.0K | 0.00% | +11,586 | New |
| Virtus ETF Advisers LLC | 11,200 | $104.4K | 0.05% | +11,200 | New |
| LPL Financial LLC | 10,900 | $101.6K | 0.00% | +10,900 | New |
| Teacher Retirement System of Texas | 10,572 | $98.5K | 0.00% | −5,437−34.0% | Reduced |
| CWM, LLC | 8,373 | $78.0K | 0.00% | +2,051+32.4% | Added |
| Aquatic Capital Management LLC | 6,835 | $63.7K | 0.00% | +6,835 | New |
| Ameritas Investment Partners, Inc. | 6,013 | $56.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 4,989 | $46.5K | 0.00% | +1,029+26.0% | Added |
| Sterling Capital Management LLC | 4,443 | $41.4K | 0.00% | −283−6.0% | Reduced |
| Royal Bank of Canada | 4,108 | $38.0K | 0.00% | −39,891−90.7% | Reduced |
| TSFG, LLC | 3,400 | $32.0K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,730 | $25.4K | 0.00% | −2,856−51.1% | Reduced |
| Antipodes Partners Ltd | 2,559 | $23.9K | 0.00% | +828+47.8% | Added |
| Amalgamated Bank | 2,466 | $23.0K | 0.00% | +684+38.4% | Added |
| Federation des caisses Desjardins du Quebec | 2,024 | $18.9K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 2,017 | $18.8K | 0.00% | −187−8.5% | Reduced |
| Tower Research Capital LLC (TRC) | 1,634 | $15.2K | 0.00% | −11,518−87.6% | Reduced |
| Bullock Wealth Management Group | 1,443 | $13.4K | 0.01% | 00.0% | Unchanged |
| Larson Financial Group LLC | 1,022 | $9.53K | 0.00% | +1,018+25,450.0% | Added |
| Jones Financial Companies LLLP | 1,002 | $9.34K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,000 | $9.32K | 0.00% | +1,000 | New |
| Comerica Bank | 776 | $7.23K | 0.00% | −294−27.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 764 | $7.00K | 0.00% | +764 | New |
| Aster Capital Management (DIFC) Ltd | 651 | $6.07K | 0.00% | +651 | New |
| Versant Capital Management, Inc | 604 | $5.63K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 529 | $4.93K | 0.00% | +67+14.5% | Added |
| EverSource Wealth Advisors, LLC | 372 | $3.47K | 0.00% | +141+61.0% | Added |
| Abound Financial, LLC | 327 | $3.05K | 0.00% | +327 | New |
| Daiwa Securities Group Inc. | 296 | $3.00K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 303 | $2.82K | 0.00% | +303 | New |
| Optiver Holding B.V. | 292 | $2.72K | 0.00% | −720−71.1% | Reduced |
| Essential Partners LLC | 288 | $2.68K | 0.00% | +29+11.2% | Added |
| US Bancorp | 264 | $2.46K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 227 | $2.12K | 0.00% | +2+0.9% | Added |
| Covestor Ltd | 236 | $2.00K | 0.00% | +181+329.1% | Added |
| Allworth Financial LP | 192 | $1.79K | 0.00% | +66+52.4% | Added |
| Torren Management, LLC | 122 | $1.14K | 0.00% | +122 | New |
| GAMMA Investing LLC | 103 | $960 | 0.00% | +64+164.1% | Added |
| SBI Securities Co., Ltd. | 81 | $755 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 75 | $699 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 66 | $615 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 60 | $559 | 0.00% | −12−16.7% | Reduced |
| MAI Capital Management | 59 | $550 | 0.00% | +59 | New |
| Nisa Investment Advisors, LLC | 57 | $531 | 0.00% | −1,000−94.6% | Reduced |
| Signaturefd, LLC | 33 | $308 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 31 | $289 | 0.00% | −16−34.0% | Reduced |
| True Wealth Design, LLC | 26 | $243 | 0.00% | +26 | New |
| SJS Investment Consulting Inc. | 20 | $187 | 0.00% | +20 | New |
| SRS Capital Advisors, Inc. | 12 | $112 | 0.00% | −1,021−98.8% | Reduced |
| Root Financial Partners, LLC | 6 | $56 | 0.00% | +6 | New |
| Smartleaf Asset Management LLC | 5 | $46 | 0.00% | 00.0% | Unchanged |
| Dunhill Financial, LLC | 1 | $6 | 0.00% | +1 | New |
| Rubric Capital Management LP | 0 | $0 | 0.00% | −3,377,071−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −2,212,187−100.0% | Sold out |
| Braidwell LP | 0 | $0 | 0.00% | −2,181,598−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −569,619−100.0% | Sold out |
| Parkwood LLC | 0 | $0 | 0.00% | −275,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −266,580−100.0% | Sold out |
| National Philanthropic Trust | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −138,420−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −110,000−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −87,541−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −42,345−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −38,465−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −38,463−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −28,023−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −22,642−100.0% | Sold out |
| NEOS Investment Management LLC | 0 | $0 | 0.00% | −19,542−100.0% | Sold out |