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 2023
Institutional positions in Day One Biopharmaceuticals, Inc. as of Sep 30, 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
- 130
- −9 vs. Q2 2023
- Shares held
- 77.5M
- −1.25M (−1.6%) vs. Q2 2023
- Total value
- $951.5M
- +$10.6M (+1.1%) vs. Q2 2023
- New holders
- 13
- 56 more added
- Sold out
- 22
- 35 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Artal Group S.A. | 500,000 | $6.13M | 0.27% | 00.0% | Unchanged |
| Sphera Funds Management Ltd. | 530,000 | $6.50M | 1.56% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 544,560 | $6.68M | 0.02% | +413,560+315.7% | Added |
| Verition Fund Management LLC | 548,757 | $6.73M | 0.09% | +37,491+7.3% | Added |
| Northern Trust Corp | 551,854 | $6.77M | 0.00% | +119,262+27.6% | Added |
| DAFNA Capital Management LLC | 586,463 | $7.20M | 2.24% | +79,363+15.7% | Added |
| Pictet Asset Management Holding SA | 600,039 | $7.36M | 0.01% | +600,039 | New |
| Commodore Capital LP | 739,661 | $9.08M | 1.06% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 821,453 | $10.1M | 0.01% | +133,943+19.5% | Added |
| Baker Bros. Advisors LP | 1,000,000 | $12.3M | 0.07% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 1,036,599 | $12.7M | 0.03% | −1,405,901−57.6% | Reduced |
| TimesSquare Capital Management, LLC | 1,142,610 | $14.0M | 0.22% | +336,910+41.8% | Added |
| Boxer Capital, LLC | 1,189,943 | $14.6M | 0.78% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 1,269,992 | $15.6M | 0.34% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,293,114 | $15.9M | 0.00% | +367,898+39.8% | Added |
| Goldman Sachs Group Inc | 1,646,195 | $20.2M | 0.01% | −746,328−31.2% | Reduced |
| Polar Capital Holdings Plc | 1,935,000 | $23.7M | 0.18% | +160,385+9.0% | Added |
| Nicholas Investment Partners, LP | 2,188,654 | $26.9M | 2.01% | −48,457−2.2% | Reduced |
| PFM Health Sciences, LP | 2,224,598 | $27.3M | 1.31% | +1,077,458+93.9% | Added |
| Price T Rowe Associates Inc | 2,308,028 | $28.3M | 0.00% | −1,703−0.1% | Reduced |
| Canaan Partners XI LLC | 2,491,561 | $30.6M | 26.81% | −56,842−2.2% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,558,563 | $31.4M | 0.13% | 00.0% | Unchanged |
| State Street Corp | 2,935,919 | $36.0M | 0.00% | −418,407−12.5% | Reduced |
| Braidwell LP | 3,715,573 | $45.6M | 1.44% | +353,760+10.5% | Added |
| Franklin Resources Inc | 4,067,332 | $49.9M | 0.03% | +1,6640.0% | Added |
| Vanguard Group Inc | 4,629,754 | $56.8M | 0.00% | +346,090+8.1% | Added |
| BlackRock Inc. | 4,688,434 | $57.5M | 0.00% | +1,123,701+31.5% | Added |
| FMR LLC | 6,026,128 | $73.9M | 0.01% | −1,533,775−20.3% | Reduced |
| Atlas Venture Life Science Advisors, LLC | 7,608,394 | $93.4M | 14.46% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 7,809,852 | $95.8M | 1.89% | 00.0% | Unchanged |
| Logos Global Management LP | 0 | $0 | 0.00% | −650,000−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −199,900−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −139,164−100.0% | Sold out |
| CVI Holdings, LLC | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −70,031−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −54,000−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −37,895−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −36,611−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −28,163−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −23,355−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −17,049−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −15,209−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −16,400−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −15,834−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −14,404−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −12,380−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −10,134−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −5,945−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −3,530−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| PFS Investments Inc. | – | – | – | – | Not filed |