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, Q3 2024
Institutional positions in Day One Biopharmaceuticals, Inc. as of Sep 30, 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
- 166
- +11 vs. Q2 2024
- Shares held
- 92.1M
- +21.9M (+31.1%) vs. Q2 2024
- Total value
- $1.28B
- +$316.3M (+32.7%) vs. Q2 2024
- New holders
- 34
- 68 more added
- Sold out
- 23
- 36 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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, Q3 2024
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fisher Asset Management, LLC | 73,301 | $1.02M | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 77,300 | $1.08M | 0.00% | −8,138−9.5% | Reduced |
| NEOS Investment Management LLC | 78,883 | $1.10M | 0.03% | +14,030+21.6% | Added |
| Qube Research & Technologies Ltd | 90,188 | $1.26M | 0.00% | +44,536+97.6% | Added |
| Renaissance Technologies LLC | 94,840 | $1.32M | 0.00% | +22,700+31.5% | Added |
| Millennium Management LLC | 106,494 | $1.48M | 0.00% | −61,271−36.5% | Reduced |
| Macquarie Group Ltd | 110,000 | $1.53M | 0.00% | −603−0.5% | Reduced |
| UBS Group AG | 114,637 | $1.60M | 0.00% | +44,554+63.6% | Added |
| Swiss National Bank | 114,800 | $1.60M | 0.00% | +19,400+20.3% | Added |
| Two Sigma Advisers, LP | 115,100 | $1.60M | 0.00% | +30,800+36.5% | Added |
| BIT Capital GmbH | 121,088 | $1.69M | 0.16% | +14,906+14.0% | Added |
| AQR Capital Management LLC | 130,310 | $1.82M | 0.00% | +17,290+15.3% | Added |
| Barclays PLC | 135,373 | $1.89M | 0.00% | +79,779+143.5% | Added |
| Rafferty Asset Management, LLC | 136,433 | $1.90M | 0.01% | −13,222−8.8% | Reduced |
| D. E. Shaw & Co., Inc. | 143,135 | $1.99M | 0.00% | −81,205−36.2% | Reduced |
| Samsara BioCapital, LLC | 147,319 | $2.05M | 0.39% | −49,106−25.0% | Reduced |
| Nuveen Asset Management, LLC | 163,698 | $2.28M | 0.00% | −27,208−14.3% | Reduced |
| Norges Bank | 169,000 | $2.35M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 170,738 | $2.38M | 0.00% | −37,658−18.1% | Reduced |
| Essex Investment Management Co LLC | 184,230 | $2.57M | 0.45% | +184,230 | New |
| Polar Capital Holdings Plc | 185,000 | $2.58M | 0.02% | −750,000−80.2% | Reduced |
| Kennedy Capital Management, Inc. | 189,297 | $2.64M | 0.06% | +15,559+9.0% | Added |
| Bank of America Corp | 192,194 | $2.68M | 0.00% | +14,528+8.2% | Added |
| Stonepine Capital Management, LLC | 205,675 | $2.87M | 1.81% | +205,675 | New |
| Candriam Luxembourg S.C.A. | 290,014 | $4.04M | 0.02% | 00.0% | Unchanged |
| Deutsche Bank AG | 323,460 | $4.51M | 0.00% | +121,593+60.2% | Added |
| PFM Health Sciences, LP | 342,172 | $4.77M | 0.27% | −54,472−13.7% | Reduced |
| Sphera Funds Management Ltd. | 347,627 | $4.84M | 0.79% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 407,501 | $5.68M | 0.01% | +108,295+36.2% | Added |
| Citadel Advisors LLC | 484,261 | $6.75M | 0.01% | +114,653+31.0% | Added |
| Northern Trust Corp | 495,090 | $6.90M | 0.00% | −37,949−7.1% | Reduced |
| StemPoint Capital LP | 506,978 | $7.06M | 2.12% | +506,978 | New |
| Charles Schwab Investment Management Inc | 507,448 | $7.07M | 0.00% | +64,700+14.6% | Added |
| Driehaus Capital Management LLC | 526,732 | $7.34M | 0.06% | −179,714−25.4% | Reduced |
| Frazier Life Sciences Management, L.P. | 689,655 | $9.61M | 0.39% | +689,655 | New |
| Hudson Bay Capital Management LP | 720,108 | $10.0M | 0.07% | +165,000+29.7% | Added |
| Wellington Management Group LLP | 721,581 | $10.1M | 0.00% | +423,543+142.1% | Added |
| DAFNA Capital Management LLC | 750,363 | $10.5M | 2.47% | +83,900+12.6% | Added |
| Morgan Stanley | 774,511 | $10.8M | 0.00% | +607,265+363.1% | Added |
| Woodline Partners LP | 797,333 | $11.1M | 0.09% | +89,802+12.7% | Added |
| Dimensional Fund Advisors LP | 836,195 | $11.6M | 0.00% | −51,922−5.8% | Reduced |
| EcoR1 Capital, LLC | 862,068 | $12.0M | 0.41% | +862,068 | New |
| Adage Capital Partners GP, L.L.C. | 900,000 | $12.5M | 0.02% | +900,000 | New |
| Parkman Healthcare Partners LLC | 924,140 | $12.9M | 1.64% | +15,318+1.7% | Added |
| First Turn Management, LLC | 947,878 | $13.2M | 2.09% | +947,878 | New |
| Boxer Capital, LLC | 1,189,943 | $16.6M | 0.81% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,432,697 | $20.0M | 0.00% | +136,458+10.5% | Added |
| Goldman Sachs Group Inc | 1,774,307 | $24.7M | 0.00% | −128,801−6.8% | Reduced |
| TimesSquare Capital Management, LLC | 1,827,695 | $25.5M | 0.38% | +139,160+8.2% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 2,114,006 | $29.4M | 0.57% | +902,868+74.5% | Added |
| Janus Henderson Group PLC | 2,177,197 | $30.3M | 0.02% | +337,928+18.4% | Added |
| Vestal Point Capital, LP | 2,500,000 | $34.8M | 2.75% | +1,250,000+100.0% | Added |
| Price T Rowe Associates Inc | 2,544,863 | $35.5M | 0.00% | +193,983+8.3% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,558,563 | $35.6M | 0.13% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 2,617,713 | $36.5M | 0.54% | −305,424−10.4% | Reduced |
| Estuary Capital Management LP | 2,743,780 | $38.2M | 10.25% | +108,510+4.1% | Added |
| State Street Corp | 2,823,817 | $39.3M | 0.00% | −3,003−0.1% | Reduced |
| Pictet Asset Management Holding SA | 2,982,666 | $41.5M | 0.05% | +131,092+4.6% | Added |
| Fairmount Funds Management LLC | 3,103,448 | $43.2M | 3.51% | +3,103,448 | New |
| Franklin Resources Inc | 3,869,632 | $55.3M | 0.02% | +87,262+2.3% | Added |
| BlackRock, Inc. | 4,709,162 | $65.6M | 0.00% | +4,709,162 | New |
| Braidwell LP | 4,873,853 | $67.9M | 1.92% | +1,837,949+60.5% | Added |
| Vanguard Group Inc | 5,887,210 | $82.0M | 0.00% | +1,263,938+27.3% | Added |
| Atlas Venture Life Science Advisors, LLC | 6,430,257 | $89.6M | 8.30% | 00.0% | Unchanged |
| FMR LLC | 7,412,380 | $103.3M | 0.01% | +4,750,936+178.5% | Added |
| Ra Capital Management, L.P. | 7,871,721 | $109.7M | 1.26% | 00.0% | Unchanged |
| Ally Bridge Group (NY) LLC | 0 | $0 | 0.00% | −536,095−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −470,247−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −186,484−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −171,887−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −161,129−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −98,624−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −44,943−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −22,592−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −14,873−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −14,008−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −13,822−100.0% | Sold out |
| Torno Capital, LLC | 0 | $0 | 0.00% | −13,037−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −11,658−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −10,366−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Regency Capital Management Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −8,222−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −5,987−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −851−100.0% | Sold out |
| CarsonAllaria Wealth Management, Ltd. | 0 | $0 | 0.00% | −180−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |
| ICA Group Wealth Management, LLC | – | – | – | – | Not filed |