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 2024
Institutional positions in Day One Biopharmaceuticals, Inc. as of Dec 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
- 164
- −1 vs. Q3 2024
- Shares held
- 93.7M
- +1.70M (+1.8%) vs. Q3 2024
- Total value
- $1.19B
- −$95.8M (−7.5%) vs. Q3 2024
- New holders
- 32
- 62 more added
- Sold out
- 33
- 39 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gsa Capital Partners LLP | 98,030 | $1.24M | 0.09% | +38,771+65.4% | Added |
| CenterBook Partners LP | 100,735 | $1.28M | 0.08% | +100,735 | New |
| Jackson Creek Investment Advisors LLC | 103,592 | $1.31M | 0.40% | +103,592 | New |
| Two Sigma Advisers, LP | 106,600 | $1.35M | 0.00% | −8,500−7.4% | Reduced |
| Macquarie Group Ltd | 110,000 | $1.39M | 0.00% | 00.0% | Unchanged |
| Swiss National Bank | 117,800 | $1.49M | 0.00% | +3,000+2.6% | Added |
| Hennion & Walsh Asset Management, Inc. | 121,167 | $1.54M | 0.07% | +57,601+90.6% | Added |
| Royal Bank of Canada | 132,274 | $1.68M | 0.00% | +95,625+260.9% | Added |
| Nuveen Asset Management, LLC | 141,298 | $1.79M | 0.00% | −22,400−13.7% | Reduced |
| Barclays PLC | 141,452 | $1.79M | 0.00% | +6,079+4.5% | Added |
| D. E. Shaw & Co., Inc. | 146,385 | $1.85M | 0.00% | +3,250+2.3% | Added |
| Samsara BioCapital, LLC | 147,319 | $1.87M | 0.26% | 00.0% | Unchanged |
| Citigroup Inc | 156,234 | $1.98M | 0.00% | +108,164+225.0% | Added |
| Rafferty Asset Management, LLC | 159,408 | $2.02M | 0.01% | +22,975+16.8% | Added |
| Norges Bank | 169,000 | $2.14M | 0.00% | 00.0% | Unchanged |
| BIT Capital GmbH | 171,714 | $2.18M | 0.19% | +50,626+41.8% | Added |
| Qube Research & Technologies Ltd | 184,656 | $2.34M | 0.00% | +94,468+104.7% | Added |
| Polar Capital Holdings Plc | 185,000 | $2.34M | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 192,100 | $2.43M | 0.00% | +85,606+80.4% | Added |
| Kennedy Capital Management, Inc. | 193,912 | $2.46M | 0.05% | +4,615+2.4% | Added |
| Essex Investment Management Co LLC | 207,574 | $2.63M | 0.47% | +23,344+12.7% | Added |
| ExodusPoint Capital Management, LP | 215,137 | $2.73M | 0.03% | +215,137 | New |
| Stonepine Capital Management, LLC | 235,000 | $2.98M | 2.40% | +29,325+14.3% | Added |
| Renaissance Technologies LLC | 243,740 | $3.09M | 0.00% | +148,900+157.0% | Added |
| Bank of New York Mellon Corp | 244,829 | $3.10M | 0.00% | +74,091+43.4% | Added |
| Two Sigma Investments, LP | 271,776 | $3.44M | 0.01% | −135,725−33.3% | Reduced |
| Parkwood LLC | 275,000 | $3.48M | 0.43% | +275,000 | New |
| Sphera Funds Management Ltd. | 334,987 | $4.24M | 0.78% | −12,640−3.6% | Reduced |
| Deutsche Bank AG | 358,920 | $4.55M | 0.00% | +35,460+11.0% | Added |
| Goldman Sachs Group Inc | 472,239 | $5.98M | 0.00% | −1,302,068−73.4% | Reduced |
| Charles Schwab Investment Management Inc | 535,501 | $6.78M | 0.00% | +28,053+5.5% | Added |
| Northern Trust Corp | 547,050 | $6.93M | 0.00% | +51,960+10.5% | Added |
| Citadel Advisors LLC | 611,313 | $7.75M | 0.01% | +127,052+26.2% | Added |
| Frazier Life Sciences Management, L.P. | 689,655 | $8.74M | 0.36% | 00.0% | Unchanged |
| Wellington Management Group LLP | 731,303 | $9.27M | 0.00% | +9,722+1.3% | Added |
| DAFNA Capital Management LLC | 731,363 | $9.27M | 2.36% | −19,000−2.5% | Reduced |
| Woodline Partners LP | 798,925 | $10.1M | 0.07% | +1,592+0.2% | Added |
| Adage Capital Partners GP, L.L.C. | 800,000 | $10.1M | 0.02% | −100,000−11.1% | Reduced |
| EcoR1 Capital, LLC | 862,068 | $10.9M | 0.44% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 920,108 | $11.7M | 0.07% | +200,000+27.8% | Added |
| Dimensional Fund Advisors LP | 927,017 | $11.7M | 0.00% | +90,822+10.9% | Added |
| First Turn Management, LLC | 947,878 | $12.0M | 2.15% | 00.0% | Unchanged |
| Parkman Healthcare Partners LLC | 1,000,474 | $12.7M | 1.69% | +76,334+8.3% | Added |
| Morgan Stanley | 1,080,268 | $13.7M | 0.00% | +305,757+39.5% | Added |
| Marshall Wace, LLP | 1,097,762 | $13.9M | 0.02% | +1,097,762 | New |
| Boxer Capital Management, LLC | 1,189,943 | $15.1M | 1.28% | +1,189,943 | New |
| Janus Henderson Group PLC | 1,306,220 | $16.6M | 0.01% | −870,977−40.0% | Reduced |
| Vestal Point Capital, LP | 1,440,000 | $18.2M | 1.08% | −1,060,000−42.4% | Reduced |
| Geode Capital Management, LLC | 1,462,982 | $18.5M | 0.00% | +30,285+2.1% | Added |
| Price T Rowe Associates Inc | 1,706,112 | $21.6M | 0.00% | −838,751−33.0% | Reduced |
| TimesSquare Capital Management, LLC | 1,710,926 | $21.7M | 0.32% | −116,769−6.4% | Reduced |
| Alyeska Investment Group, L.P. | 2,512,187 | $31.8M | 0.12% | +2,512,187 | New |
| Deerfield Management Company, L.P. (Series C) | 2,596,033 | $32.9M | 0.63% | −21,680−0.8% | Reduced |
| State Street Corp | 3,101,677 | $39.3M | 0.00% | +277,860+9.8% | Added |
| Fairmount Funds Management LLC | 3,103,448 | $39.3M | 3.91% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 3,490,064 | $44.2M | 0.05% | +507,398+17.0% | Added |
| Estuary Capital Management LP | 3,716,777 | $47.1M | 13.76% | +972,997+35.5% | Added |
| Franklin Resources Inc | 3,882,952 | $49.2M | 0.01% | +13,320+0.3% | Added |
| Braidwell LP | 4,873,853 | $61.8M | 1.83% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 5,755,577 | $72.9M | 0.97% | −2,116,144−26.9% | Reduced |
| Vanguard Group Inc | 5,848,923 | $74.1M | 0.00% | −38,287−0.7% | Reduced |
| BlackRock, Inc. | 6,155,837 | $78.0M | 0.00% | +1,446,675+30.7% | Added |
| Atlas Venture Life Science Advisors, LLC | 6,430,257 | $81.5M | 9.94% | 00.0% | Unchanged |
| FMR LLC | 12,887,467 | $163.3M | 0.01% | +5,475,087+73.9% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 0 | $0 | 0.00% | −2,558,563−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −2,114,006−100.0% | Sold out |
| Boxer Capital, LLC | 0 | $0 | 0.00% | −1,189,943−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −526,732−100.0% | Sold out |
| StemPoint Capital LP | 0 | $0 | 0.00% | −506,978−100.0% | Sold out |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −342,172−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −290,014−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −71,487−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −69,757−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −68,064−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −57,545−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −55,122−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −47,380−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −38,010−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −34,266−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −29,254−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −18,874−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −15,637−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −12,778−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −12,474−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −11,979−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −11,157−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −10,125−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −7,240−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −2,976−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −1,900−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −1,142−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −80−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −85−100.0% | Sold out |
| C M Bidwell & Associates Ltd | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| AJOVista, LLC | – | – | – | – | Not filed |