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 |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 7,871,721 | $109.7M | 1.26% | 00.0% | Unchanged |
| FMR LLC | 7,412,380 | $103.3M | 0.01% | +4,750,936+178.5% | Added |
| Atlas Venture Life Science Advisors, LLC | 6,430,257 | $89.6M | 8.30% | 00.0% | Unchanged |
| Vanguard Group Inc | 5,887,210 | $82.0M | 0.00% | +1,263,938+27.3% | Added |
| Braidwell LP | 4,873,853 | $67.9M | 1.92% | +1,837,949+60.5% | Added |
| BlackRock, Inc. | 4,709,162 | $65.6M | 0.00% | +4,709,162 | New |
| Franklin Resources Inc | 3,869,632 | $55.3M | 0.02% | +87,262+2.3% | Added |
| Fairmount Funds Management LLC | 3,103,448 | $43.2M | 3.51% | +3,103,448 | New |
| Pictet Asset Management Holding SA | 2,982,666 | $41.5M | 0.05% | +131,092+4.6% | Added |
| State Street Corp | 2,823,817 | $39.3M | 0.00% | −3,003−0.1% | Reduced |
| Estuary Capital Management LP | 2,743,780 | $38.2M | 10.25% | +108,510+4.1% | Added |
| Deerfield Management Company, L.P. (Series C) | 2,617,713 | $36.5M | 0.54% | −305,424−10.4% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,558,563 | $35.6M | 0.13% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 2,544,863 | $35.5M | 0.00% | +193,983+8.3% | Added |
| Vestal Point Capital, LP | 2,500,000 | $34.8M | 2.75% | +1,250,000+100.0% | Added |
| Janus Henderson Group PLC | 2,177,197 | $30.3M | 0.02% | +337,928+18.4% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 2,114,006 | $29.4M | 0.57% | +902,868+74.5% | Added |
| TimesSquare Capital Management, LLC | 1,827,695 | $25.5M | 0.38% | +139,160+8.2% | Added |
| Goldman Sachs Group Inc | 1,774,307 | $24.7M | 0.00% | −128,801−6.8% | Reduced |
| Geode Capital Management, LLC | 1,432,697 | $20.0M | 0.00% | +136,458+10.5% | Added |
| Boxer Capital, LLC | 1,189,943 | $16.6M | 0.81% | 00.0% | Unchanged |
| First Turn Management, LLC | 947,878 | $13.2M | 2.09% | +947,878 | New |
| Parkman Healthcare Partners LLC | 924,140 | $12.9M | 1.64% | +15,318+1.7% | Added |
| Adage Capital Partners GP, L.L.C. | 900,000 | $12.5M | 0.02% | +900,000 | New |
| EcoR1 Capital, LLC | 862,068 | $12.0M | 0.41% | +862,068 | New |
| Dimensional Fund Advisors LP | 836,195 | $11.6M | 0.00% | −51,922−5.8% | Reduced |
| Woodline Partners LP | 797,333 | $11.1M | 0.09% | +89,802+12.7% | Added |
| Morgan Stanley | 774,511 | $10.8M | 0.00% | +607,265+363.1% | Added |
| DAFNA Capital Management LLC | 750,363 | $10.5M | 2.47% | +83,900+12.6% | Added |
| Wellington Management Group LLP | 721,581 | $10.1M | 0.00% | +423,543+142.1% | Added |
| Hudson Bay Capital Management LP | 720,108 | $10.0M | 0.07% | +165,000+29.7% | Added |
| Frazier Life Sciences Management, L.P. | 689,655 | $9.61M | 0.39% | +689,655 | New |
| Driehaus Capital Management LLC | 526,732 | $7.34M | 0.06% | −179,714−25.4% | Reduced |
| Charles Schwab Investment Management Inc | 507,448 | $7.07M | 0.00% | +64,700+14.6% | Added |
| StemPoint Capital LP | 506,978 | $7.06M | 2.12% | +506,978 | New |
| Northern Trust Corp | 495,090 | $6.90M | 0.00% | −37,949−7.1% | Reduced |
| Citadel Advisors LLC | 484,261 | $6.75M | 0.01% | +114,653+31.0% | Added |
| Two Sigma Investments, LP | 407,501 | $5.68M | 0.01% | +108,295+36.2% | Added |
| Sphera Funds Management Ltd. | 347,627 | $4.84M | 0.79% | 00.0% | Unchanged |
| PFM Health Sciences, LP | 342,172 | $4.77M | 0.27% | −54,472−13.7% | Reduced |
| Deutsche Bank AG | 323,460 | $4.51M | 0.00% | +121,593+60.2% | Added |
| Candriam Luxembourg S.C.A. | 290,014 | $4.04M | 0.02% | 00.0% | Unchanged |
| Stonepine Capital Management, LLC | 205,675 | $2.87M | 1.81% | +205,675 | New |
| Bank of America Corp | 192,194 | $2.68M | 0.00% | +14,528+8.2% | Added |
| Kennedy Capital Management, Inc. | 189,297 | $2.64M | 0.06% | +15,559+9.0% | Added |
| Polar Capital Holdings Plc | 185,000 | $2.58M | 0.02% | −750,000−80.2% | Reduced |
| Essex Investment Management Co LLC | 184,230 | $2.57M | 0.45% | +184,230 | New |
| Bank of New York Mellon Corp | 170,738 | $2.38M | 0.00% | −37,658−18.1% | Reduced |
| Norges Bank | 169,000 | $2.35M | 0.00% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 163,698 | $2.28M | 0.00% | −27,208−14.3% | Reduced |
| Samsara BioCapital, LLC | 147,319 | $2.05M | 0.39% | −49,106−25.0% | Reduced |
| D. E. Shaw & Co., Inc. | 143,135 | $1.99M | 0.00% | −81,205−36.2% | Reduced |
| Rafferty Asset Management, LLC | 136,433 | $1.90M | 0.01% | −13,222−8.8% | Reduced |
| Barclays PLC | 135,373 | $1.89M | 0.00% | +79,779+143.5% | Added |
| AQR Capital Management LLC | 130,310 | $1.82M | 0.00% | +17,290+15.3% | Added |
| BIT Capital GmbH | 121,088 | $1.69M | 0.16% | +14,906+14.0% | Added |
| Two Sigma Advisers, LP | 115,100 | $1.60M | 0.00% | +30,800+36.5% | Added |
| Swiss National Bank | 114,800 | $1.60M | 0.00% | +19,400+20.3% | Added |
| UBS Group AG | 114,637 | $1.60M | 0.00% | +44,554+63.6% | Added |
| Macquarie Group Ltd | 110,000 | $1.53M | 0.00% | −603−0.5% | Reduced |
| Millennium Management LLC | 106,494 | $1.48M | 0.00% | −61,271−36.5% | Reduced |
| Renaissance Technologies LLC | 94,840 | $1.32M | 0.00% | +22,700+31.5% | Added |
| Qube Research & Technologies Ltd | 90,188 | $1.26M | 0.00% | +44,536+97.6% | Added |
| NEOS Investment Management LLC | 78,883 | $1.10M | 0.03% | +14,030+21.6% | Added |
| Rhumbline Advisers | 77,300 | $1.08M | 0.00% | −8,138−9.5% | Reduced |
| Fisher Asset Management, LLC | 73,301 | $1.02M | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 71,487 | $995.8K | 0.03% | +50,990+248.8% | Added |
| Martingale Asset Management L P | 71,304 | $993.3K | 0.02% | +6,219+9.6% | Added |
| Jane Street Group, LLC | 69,757 | $971.7K | 0.00% | −110,027−61.2% | Reduced |
| Alps Advisors Inc | 69,309 | $965.5K | 0.01% | +1,139+1.7% | Added |
| Cubist Systematic Strategies, LLC | 68,064 | $948.1K | 0.01% | +68,064 | New |
| Alliancebernstein L.P. | 68,000 | $947.2K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 65,193 | $908.1K | 0.00% | −4,537−6.5% | Reduced |
| Susquehanna International Group, LLP | 64,661 | $900.7K | 0.00% | −26,437−29.0% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 63,566 | $885.5K | 0.04% | −793−1.2% | Reduced |
| Legato Capital Management LLC | 63,167 | $879.9K | 0.11% | +63,167 | New |
| JPMorgan Chase & Co | 60,983 | $849.5K | 0.00% | +530+0.9% | Added |
| Gsa Capital Partners LLP | 59,259 | $825.0K | 0.06% | +59,259 | New |
| Capula Management Ltd | 57,545 | $801.6K | 0.01% | +57,545 | New |
| Wells Fargo & Company | 56,479 | $786.8K | 0.00% | −457−0.8% | Reduced |
| Legal & General Group Plc | 56,264 | $783.8K | 0.00% | +1,087+2.0% | Added |
| Tudor Investment Corp Et Al | 55,122 | $767.8K | 0.01% | +3,231+6.2% | Added |
| California State Teachers Retirement System | 55,061 | $767.0K | 0.00% | +7,680+16.2% | Added |
| ADAR1 Capital Management, LLC | 53,111 | $739.8K | 0.12% | +18,011+51.3% | Added |
| Erste Asset Management GmbH | 51,200 | $725.0K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 48,488 | $675.4K | 0.00% | +214+0.4% | Added |
| Citigroup Inc | 48,070 | $669.6K | 0.00% | +14,065+41.4% | Added |
| Schonfeld Strategic Advisors LLC | 47,380 | $660.0K | 0.01% | −197,577−80.7% | Reduced |
| State of Wisconsin Investment Board | 39,686 | $552.8K | 0.00% | +10,993+38.3% | Added |
| Jump Financial, LLC | 38,010 | $529.5K | 0.01% | +38,010 | New |
| Royal Bank of Canada | 36,649 | $511.0K | 0.00% | +29,534+415.1% | Added |
| Walleye Capital LLC | 34,266 | $477.3K | 0.01% | +34,266 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 33,949 | $474.1K | 0.00% | −4,225−11.1% | Reduced |
| Invesco Ltd. | 31,990 | $445.6K | 0.00% | +766+2.5% | Added |
| Verition Fund Management LLC | 31,075 | $432.9K | 0.00% | +7,422+31.4% | Added |
| MetLife Investment Management | 30,467 | $424.4K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 29,254 | $407.5K | 0.23% | +451+1.6% | Added |
| Corebridge Financial, Inc. | 27,753 | $386.6K | 0.00% | −171−0.6% | Reduced |
| Ameriprise Financial Inc | 27,129 | $377.9K | 0.00% | +27,129 | New |
| Handelsbanken Fonder AB | 27,000 | $376.0K | 0.00% | +3,900+16.9% | Added |