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 2023
Institutional positions in Day One Biopharmaceuticals, Inc. as of Dec 31, 2023. 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
- 139
- +9 vs. Q3 2023
- Shares held
- 76.6M
- −977.1K (−1.3%) vs. Q3 2023
- Total value
- $1.12B
- +$166.4M (+17.5%) vs. Q3 2023
- New holders
- 26
- 51 more added
- Sold out
- 17
- 35 more reduced
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 7,809,852 | $114.0M | 1.78% | 00.0% | Unchanged |
| Atlas Venture Life Science Advisors, LLC | 7,608,394 | $111.1M | 13.23% | 00.0% | Unchanged |
| BlackRock Inc. | 5,126,071 | $74.8M | 0.00% | +437,637+9.3% | Added |
| Vanguard Group Inc | 4,769,746 | $69.6M | 0.00% | +139,992+3.0% | Added |
| Franklin Resources Inc | 4,236,795 | $61.9M | 0.03% | +169,463+4.2% | Added |
| Braidwell LP | 4,215,573 | $61.5M | 2.26% | +500,000+13.5% | Added |
| FMR LLC | 3,968,166 | $57.9M | 0.00% | −2,057,962−34.2% | Reduced |
| State Street Corp | 3,380,098 | $49.3M | 0.00% | +444,179+15.1% | Added |
| Pictet Asset Management Holding SA | 2,571,568 | $37.5M | 0.04% | +1,971,529+328.6% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,558,563 | $37.4M | 0.14% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 2,316,764 | $33.8M | 0.00% | +8,736+0.4% | Added |
| Goldman Sachs Group Inc | 2,118,849 | $30.9M | 0.01% | +472,654+28.7% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,761,178 | $25.7M | 0.47% | +491,186+38.7% | Added |
| First Turn Management, LLC | 1,700,949 | $24.8M | 3.57% | +1,700,949 | New |
| Janus Henderson Group PLC | 1,696,103 | $24.8M | 0.01% | +874,650+106.5% | Added |
| TimesSquare Capital Management, LLC | 1,666,065 | $24.3M | 0.36% | +523,455+45.8% | Added |
| Polar Capital Holdings Plc | 1,385,000 | $20.2M | 0.14% | −550,000−28.4% | Reduced |
| Geode Capital Management, LLC | 1,348,819 | $19.7M | 0.00% | +55,705+4.3% | Added |
| PFM Health Sciences, LP | 1,303,575 | $19.0M | 1.14% | −921,023−41.4% | Reduced |
| Boxer Capital, LLC | 1,189,943 | $17.4M | 0.87% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 1,000,000 | $14.6M | 0.17% | 00.0% | Unchanged |
| Estuary Capital Management LP | 882,897 | $12.9M | 7.80% | +882,897 | New |
| Dimensional Fund Advisors LP | 777,917 | $11.4M | 0.00% | +471,732+154.1% | Added |
| DAFNA Capital Management LLC | 686,463 | $10.0M | 2.40% | +100,000+17.1% | Added |
| Parkman Healthcare Partners LLC | 625,749 | $9.14M | 1.29% | +159,341+34.2% | Added |
| Northern Trust Corp | 576,752 | $8.42M | 0.00% | +24,898+4.5% | Added |
| Sphera Funds Management Ltd. | 513,000 | $7.49M | 1.39% | −17,000−3.2% | Reduced |
| Driehaus Capital Management LLC | 483,239 | $7.06M | 0.09% | −5,079−1.0% | Reduced |
| Charles Schwab Investment Management Inc | 452,934 | $6.61M | 0.00% | +5,796+1.3% | Added |
| Alyeska Investment Group, L.P. | 390,167 | $5.70M | 0.04% | 00.0% | Unchanged |
| Superstring Capital Management LP | 379,626 | $5.54M | 3.96% | +379,626 | New |
| Morgan Stanley | 334,439 | $4.88M | 0.00% | +175,993+111.1% | Added |
| Nicholas Investment Partners, LP | 303,318 | $4.43M | 0.52% | −1,885,336−86.1% | Reduced |
| Candriam Luxembourg S.C.A. | 290,014 | $4.23M | 0.03% | 00.0% | Unchanged |
| Woodline Partners LP | 272,538 | $3.98M | 0.04% | 00.0% | Unchanged |
| Propel Bio Management, LLC | 270,664 | $3.95M | 3.28% | +270,664 | New |
| Pier Capital, LLC | 258,685 | $3.78M | 0.54% | +258,685 | New |
| Rafferty Asset Management, LLC | 236,347 | $3.45M | 0.01% | −737−0.3% | Reduced |
| Bank of New York Mellon Corp | 234,198 | $3.42M | 0.00% | +13,902+6.3% | Added |
| Wellington Management Group LLP | 208,969 | $3.05M | 0.00% | +91,393+77.7% | Added |
| Samsara BioCapital, LLC | 196,425 | $2.87M | 0.45% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 195,489 | $2.85M | 0.00% | −739−0.4% | Reduced |
| Barclays PLC | 185,839 | $2.71M | 0.00% | +53,957+40.9% | Added |
| Schonfeld Strategic Advisors LLC | 178,934 | $2.61M | 0.02% | +42,234+30.9% | Added |
| Deutsche Bank AG | 177,156 | $2.59M | 0.00% | +190.0% | Added |
| Nuveen Asset Management, LLC | 175,775 | $2.57M | 0.00% | −249,434−58.7% | Reduced |
| Simplify Asset Management Inc. | 175,018 | $2.56M | 0.40% | 00.0% | Unchanged |
| Norges Bank | 169,000 | $2.47M | 0.00% | 00.0% | Unchanged |
| Laurion Capital Management LP | 164,983 | $2.41M | 0.09% | +164,983 | New |
| Bank of America Corp | 159,884 | $2.33M | 0.00% | −58,717−26.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 150,000 | $2.19M | 0.00% | −886,599−85.5% | Reduced |
| UBS Group AG | 126,640 | $1.85M | 0.00% | +102,759+430.3% | Added |
| Marshall Wace, LLP | 117,894 | $1.72M | 0.00% | −343,941−74.5% | Reduced |
| Macquarie Group Ltd | 110,000 | $1.61M | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 104,796 | $1.53M | 0.00% | +13,270+14.5% | Added |
| Citigroup Inc | 99,925 | $1.46M | 0.00% | −740−0.7% | Reduced |
| Swiss National Bank | 95,400 | $1.39M | 0.00% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 88,000 | $1.28M | 0.00% | −456,560−83.8% | Reduced |
| Rhumbline Advisers | 87,434 | $1.28M | 0.00% | −1,769−2.0% | Reduced |
| Hudson Bay Capital Management LP | 80,000 | $1.17M | 0.01% | +80,000 | New |
| New York State Common Retirement Fund | 78,299 | $1.14M | 0.00% | +13,294+20.5% | Added |
| HRT Financial LP | 73,887 | $1.08M | 0.01% | +73,887 | New |
| Fisher Asset Management, LLC | 68,446 | $999.3K | 0.00% | +32,238+89.0% | Added |
| SG Americas Securities, LLC | 64,692 | $945.0K | 0.01% | +27,712+74.9% | Added |
| Alps Advisors Inc | 59,695 | $871.5K | 0.01% | −4,458−6.9% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 57,844 | $844.5K | 0.05% | +4,041+7.5% | Added |
| TD Asset Management Inc | 55,196 | $805.9K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 54,403 | $794.3K | 0.00% | +11,593+27.1% | Added |
| Legal & General Group Plc | 53,491 | $781.0K | 0.00% | −239−0.4% | Reduced |
| California State Teachers Retirement System | 52,923 | $772.7K | 0.00% | +731+1.4% | Added |
| Erste Asset Management GmbH | 51,200 | $767.5K | 0.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 51,500 | $751.9K | 0.00% | +16,430+46.8% | Added |
| Susquehanna International Group, LLP | 47,378 | $691.7K | 0.00% | −7,358−13.4% | Reduced |
| Credit Suisse AG | 47,149 | $688.4K | 0.00% | +5,200+12.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 44,122 | $644.2K | 0.00% | +555+1.3% | Added |
| Voya Investment Management LLC | 42,871 | $625.9K | 0.00% | +298+0.7% | Added |
| Prelude Capital Management, LLC | 42,500 | $620.5K | 0.05% | +20,600+94.1% | Added |
| Legato Capital Management LLC | 41,918 | $612.0K | 0.08% | +5,242+14.3% | Added |
| ExodusPoint Capital Management, LP | 40,903 | $597.0K | 0.01% | −183,706−81.8% | Reduced |
| Manufacturers Life Insurance Company, The | 40,878 | $596.8K | 0.00% | −538−1.3% | Reduced |
| Jane Street Group, LLC | 39,303 | $573.8K | 0.00% | +39,303 | New |
| Profund Advisors LLC | 38,817 | $566.7K | 0.02% | −1,428−3.5% | Reduced |
| Wells Fargo & Company | 38,225 | $558.1K | 0.00% | −39,386−50.7% | Reduced |
| Jupiter Asset Management Ltd | 36,671 | $535.4K | 0.01% | +36,671 | New |
| Martingale Asset Management L P | 33,744 | $492.7K | 0.01% | +3,600+11.9% | Added |
| MetLife Investment Management | 33,443 | $488.3K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 33,367 | $487.2K | 0.01% | +33,367 | New |
| Invesco Ltd. | 31,358 | $457.8K | 0.00% | +12,196+63.6% | Added |
| American International Group, Inc. | 31,142 | $454.7K | 0.00% | −126−0.4% | Reduced |
| Gsa Capital Partners LLP | 30,378 | $444.0K | 0.04% | +30,378 | New |
| Algert Global LLC | 25,042 | $365.6K | 0.01% | −8,020−24.3% | Reduced |
| Cetera Advisor Networks LLC | 24,946 | $364.2K | 0.00% | −2,693−9.7% | Reduced |
| Royal Bank of Canada | 21,220 | $310.0K | 0.00% | +11,499+118.3% | Added |
| State Board of Administration of Florida Retirement System | 17,880 | $261.0K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 17,869 | $260.9K | 0.00% | +88+0.5% | Added |
| Handelsbanken Fonder AB | 17,400 | $254.0K | 0.00% | +17,400 | New |
| ProShare Advisors LLC | 15,932 | $232.6K | 0.00% | +2,108+15.2% | Added |
| Squarepoint Ops LLC | 15,927 | $232.5K | 0.00% | −30,917−66.0% | Reduced |
| Balyasny Asset Management LLC | 15,605 | $227.8K | 0.00% | +15,605 | New |
| NEOS Investment Management LLC | 15,507 | $226.4K | 0.02% | +15,507 | New |