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, Q1 2024
Institutional positions in Day One Biopharmaceuticals, Inc. as of Mar 31, 2024. 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
- 148
- +9 vs. Q4 2023
- Shares held
- 72.8M
- −3.77M (−4.9%) vs. Q4 2023
- Total value
- $1.20B
- +$84.5M (+7.6%) vs. Q4 2023
- New holders
- 26
- 48 more added
- Sold out
- 17
- 44 more reduced
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 7,809,852 | $129.0M | 1.64% | 00.0% | Unchanged |
| Atlas Venture Life Science Advisors, LLC | 6,430,257 | $106.2M | 9.80% | −1,178,137−15.5% | Reduced |
| BlackRock Inc. | 5,031,435 | $83.1M | 0.00% | −94,636−1.8% | Reduced |
| Vanguard Group Inc | 4,774,483 | $78.9M | 0.00% | +4,737+0.1% | Added |
| FMR LLC | 4,404,341 | $72.8M | 0.00% | +436,175+11.0% | Added |
| Franklin Resources Inc | 3,806,790 | $62.9M | 0.02% | −430,005−10.1% | Reduced |
| State Street Corp | 2,894,883 | $47.8M | 0.00% | −485,215−14.4% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,558,563 | $42.3M | 0.16% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 2,375,137 | $39.2M | 0.04% | −196,431−7.6% | Reduced |
| Price T Rowe Associates Inc | 2,299,764 | $38.0M | 0.00% | −17,000−0.7% | Reduced |
| Braidwell LP | 2,173,704 | $35.9M | 1.16% | −2,041,869−48.4% | Reduced |
| Goldman Sachs Group Inc | 2,137,491 | $35.3M | 0.01% | +18,642+0.9% | Added |
| Janus Henderson Group PLC | 2,032,384 | $33.6M | 0.02% | +336,281+19.8% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,765,312 | $29.2M | 0.51% | +4,134+0.2% | Added |
| TimesSquare Capital Management, LLC | 1,635,145 | $27.0M | 0.39% | −30,920−1.9% | Reduced |
| Estuary Capital Management LP | 1,611,137 | $26.6M | 10.81% | +728,240+82.5% | Added |
| Geode Capital Management, LLC | 1,376,961 | $22.8M | 0.00% | +28,142+2.1% | Added |
| First Turn Management, LLC | 1,318,207 | $21.8M | 3.26% | −382,742−22.5% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 1,256,570 | $20.8M | 0.40% | +1,256,570 | New |
| Boxer Capital, LLC | 1,189,943 | $19.7M | 0.97% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 1,185,000 | $19.6M | 0.12% | −200,000−14.4% | Reduced |
| Dimensional Fund Advisors LP | 981,572 | $16.2M | 0.00% | +203,655+26.2% | Added |
| Driehaus Capital Management LLC | 719,011 | $11.9M | 0.12% | +235,772+48.8% | Added |
| Parkman Healthcare Partners LLC | 691,812 | $11.4M | 1.40% | +66,063+10.6% | Added |
| DAFNA Capital Management LLC | 666,463 | $11.0M | 2.51% | −20,000−2.9% | Reduced |
| Northern Trust Corp | 558,145 | $9.22M | 0.00% | −18,607−3.2% | Reduced |
| Sphera Funds Management Ltd. | 492,627 | $8.14M | 1.32% | −20,373−4.0% | Reduced |
| Charles Schwab Investment Management Inc | 457,652 | $7.56M | 0.00% | +4,718+1.0% | Added |
| Nicholas Investment Partners, LP | 361,767 | $5.98M | 0.61% | +58,449+19.3% | Added |
| PFM Health Sciences, LP | 355,251 | $5.87M | 0.29% | −948,324−72.7% | Reduced |
| Superstring Capital Management LP | 349,679 | $5.78M | 3.82% | −29,947−7.9% | Reduced |
| Candriam Luxembourg S.C.A. | 290,014 | $4.79M | 0.03% | 00.0% | Unchanged |
| Woodline Partners LP | 272,538 | $4.50M | 0.04% | 00.0% | Unchanged |
| Wellington Management Group LLP | 272,117 | $4.50M | 0.00% | +63,148+30.2% | Added |
| Propel Bio Management, LLC | 270,664 | $4.47M | 2.60% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 237,748 | $3.93M | 0.03% | +58,814+32.9% | Added |
| Morgan Stanley | 232,550 | $3.84M | 0.00% | −101,889−30.5% | Reduced |
| D. E. Shaw & Co., Inc. | 224,219 | $3.70M | 0.00% | +28,730+14.7% | Added |
| Bank of New York Mellon Corp | 215,383 | $3.56M | 0.00% | −18,815−8.0% | Reduced |
| Samsara BioCapital, LLC | 196,425 | $3.24M | 0.50% | 00.0% | Unchanged |
| Altitude Crest Partners Inc. | 195,497 | $3.23M | 1.38% | +195,497 | New |
| Rafferty Asset Management, LLC | 193,224 | $3.19M | 0.01% | −43,123−18.2% | Reduced |
| Deutsche Bank AG | 178,174 | $2.94M | 0.00% | +1,018+0.6% | Added |
| Nuveen Asset Management, LLC | 175,775 | $2.90M | 0.00% | 00.0% | Unchanged |
| Simplify Asset Management Inc. | 175,018 | $2.89M | 0.28% | 00.0% | Unchanged |
| Citigroup Inc | 171,050 | $2.83M | 0.00% | +71,125+71.2% | Added |
| Prudential Financial Inc | 169,522 | $2.80M | 0.00% | +169,522 | New |
| Norges Bank | 169,000 | $2.79M | 0.00% | 00.0% | Unchanged |
| Laurion Capital Management LP | 164,983 | $2.73M | 0.08% | 00.0% | Unchanged |
| UBS Group AG | 164,018 | $2.71M | 0.00% | +37,378+29.5% | Added |
| Adage Capital Partners GP, L.L.C. | 159,000 | $2.63M | 0.00% | +9,000+6.0% | Added |
| Marshall Wace, LLP | 134,171 | $2.22M | 0.00% | +16,277+13.8% | Added |
| Bank of America Corp | 127,589 | $2.11M | 0.00% | −32,295−20.2% | Reduced |
| Hudson Bay Capital Management LP | 110,000 | $1.82M | 0.02% | +30,000+37.5% | Added |
| Macquarie Group Ltd | 110,000 | $1.82M | 0.00% | 00.0% | Unchanged |
| BIT Capital GmbH | 106,182 | $1.75M | 0.15% | +98,752+1,329.1% | Added |
| ExodusPoint Capital Management, LP | 97,621 | $1.61M | 0.02% | +56,718+138.7% | Added |
| Swiss National Bank | 95,400 | $1.58M | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 89,727 | $1.48M | 0.00% | +2,293+2.6% | Added |
| Takeda Pharmaceutical Co Ltd | 85,840 | $1.42M | 0.49% | +85,840 | New |
| Susquehanna International Group, LLP | 74,154 | $1.23M | 0.00% | +26,776+56.5% | Added |
| JPMorgan Chase & Co | 71,209 | $1.18M | 0.00% | −33,587−32.0% | Reduced |
| Fisher Asset Management, LLC | 68,411 | $1.13M | 0.00% | −35−0.1% | Reduced |
| Alliancebernstein L.P. | 68,000 | $1.12M | 0.00% | +16,500+32.0% | Added |
| Barclays PLC | 67,466 | $1.11M | 0.00% | −118,373−63.7% | Reduced |
| New York State Common Retirement Fund | 66,228 | $1.09M | 0.00% | −12,071−15.4% | Reduced |
| Alps Advisors Inc | 61,631 | $1.02M | 0.01% | +1,936+3.2% | Added |
| J. Goldman & Co LP | 61,327 | $1.01M | 0.05% | +61,327 | New |
| Hennion & Walsh Asset Management, Inc. | 59,289 | $979.5K | 0.05% | +1,445+2.5% | Added |
| Jane Street Group, LLC | 56,774 | $937.9K | 0.00% | +17,471+44.5% | Added |
| Martingale Asset Management L P | 53,881 | $890.1K | 0.02% | +20,137+59.7% | Added |
| Legal & General Group Plc | 53,424 | $882.6K | 0.00% | −67−0.1% | Reduced |
| Balyasny Asset Management LLC | 53,152 | $878.1K | 0.00% | +37,547+240.6% | Added |
| Summit Rock Advisors, LP | 51,502 | $850.8K | 0.27% | +51,502 | New |
| Manufacturers Life Insurance Company, The | 50,368 | $832.1K | 0.00% | +9,490+23.2% | Added |
| California State Teachers Retirement System | 49,340 | $815.1K | 0.00% | −3,583−6.8% | Reduced |
| Erste Asset Management GmbH | 51,200 | $808.4K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 47,265 | $780.8K | 0.00% | +39,998+550.4% | Added |
| Credit Suisse AG | 47,149 | $778.9K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 45,761 | $756.0K | 0.00% | +7,536+19.7% | Added |
| NEOS Investment Management LLC | 44,423 | $733.9K | 0.05% | +28,916+186.5% | Added |
| Tudor Investment Corp Et Al | 43,590 | $720.1K | 0.01% | +10,223+30.6% | Added |
| Voya Investment Management LLC | 38,198 | $631.0K | 0.00% | −4,673−10.9% | Reduced |
| UBS Asset Management Americas Inc | 37,879 | $625.8K | 0.00% | +23,579+164.9% | Added |
| MetLife Investment Management | 33,443 | $552.5K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 32,142 | $531.0K | 0.01% | +32,142 | New |
| Legato Capital Management LLC | 32,029 | $529.1K | 0.06% | −9,889−23.6% | Reduced |
| Invesco Ltd. | 31,643 | $522.7K | 0.00% | +285+0.9% | Added |
| American International Group, Inc. | 30,877 | $510.1K | 0.00% | −265−0.9% | Reduced |
| Profund Advisors LLC | 30,612 | $505.7K | 0.02% | −8,205−21.1% | Reduced |
| State of Wisconsin Investment Board | 30,284 | $500.3K | 0.00% | −24,119−44.3% | Reduced |
| Millennium Management LLC | 29,008 | $479.2K | 0.00% | +29,008 | New |
| Cetera Investment Advisers | 27,165 | $448.8K | 0.00% | +27,165 | New |
| Algert Global LLC | 25,042 | $413.7K | 0.02% | 00.0% | Unchanged |
| XTX Topco Ltd | 24,042 | $397.2K | 0.05% | +24,042 | New |
| Two Sigma Investments, LP | 20,412 | $337.2K | 0.00% | +20,412 | New |
| Exchange Traded Concepts, LLC | 20,080 | $331.7K | 0.01% | +10,008+99.4% | Added |
| Nebula Research & Development LLC | 19,419 | $320.8K | 0.07% | +19,419 | New |
| Mirae Asset Global Investments Co., Ltd. | 21,863 | $311.1K | 0.00% | −22,259−50.4% | Reduced |
| Diametric Capital, LP | 18,796 | $310.5K | 0.17% | +18,796 | New |