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 2021
Institutional positions in Day One Biopharmaceuticals, Inc. as of Sep 30, 2021. 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
- 45
- +12 vs. Q2 2021
- Shares held
- 19.1M
- +1.37M (+7.7%) vs. Q2 2021
- Total value
- $452.9M
- +$51.9M (+12.9%) vs. Q2 2021
- New holders
- 20
- 12 more added
- Sold out
- 8
- 7 more reduced
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 59 | $1.00K | 0.00% | +59 | New |
| Red Tortoise LLC | 196 | $4.00K | 0.00% | +196 | New |
| Jacobi Capital Management LLC | 200 | $5.00K | 0.00% | +200 | New |
| Bank of America Corp | 484 | $11.0K | 0.00% | −216−30.9% | Reduced |
| Tower Research Capital LLC (TRC) | 534 | $12.0K | 0.00% | +524+5,240.0% | Added |
| Capital Analysts, LLC | 750 | $18.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 845 | $20.0K | 0.00% | +845 | New |
| Legal & General Group Plc | 1,027 | $24.0K | 0.00% | +1,027 | New |
| Citigroup Inc | 1,279 | $30.0K | 0.00% | +1,279 | New |
| Royal Bank of Canada | 1,376 | $33.0K | 0.00% | +1,376 | New |
| STRS Ohio | 2,500 | $59.0K | 0.00% | +2,500 | New |
| Morgan Stanley | 2,967 | $70.0K | 0.00% | +593+25.0% | Added |
| Metropolitan Life Insurance Co | 3,636 | $86.3K | 0.00% | +3,636 | New |
| JPMorgan Chase & Co | 4,223 | $100.0K | 0.00% | +4,169+7,720.4% | Added |
| MetLife Investment Management | 4,806 | $114.0K | 0.00% | +4,806 | New |
| California State Teachers Retirement System | 5,957 | $141.0K | 0.00% | +5,957 | New |
| American International Group, Inc. | 6,035 | $143.0K | 0.00% | +6,035 | New |
| Deutsche Bank AG | 6,339 | $150.0K | 0.00% | +6,339 | New |
| Wells Fargo & Company | 10,053 | $238.0K | 0.00% | +10,053 | New |
| Nuveen Asset Management, LLC | 14,961 | $355.0K | 0.00% | +14,961 | New |
| TD Asset Management Inc | 16,856 | $400.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 26,795 | $635.0K | 0.00% | +26,795 | New |
| Charles Schwab Investment Management Inc | 75,226 | $1.79M | 0.00% | +75,226 | New |
| Adage Capital Partners GP, L.L.C. | 90,000 | $2.14M | 0.00% | +90,000 | New |
| Northern Trust Corp | 98,099 | $2.33M | 0.00% | +85,381+671.3% | Added |
| Alyeska Investment Group, L.P. | 103,200 | $2.45M | 0.03% | 00.0% | Unchanged |
| Logos Global Management LP | 52,069 | $2.80M | 0.20% | +15,000+40.5% | Added |
| State Street Corp | 124,032 | $2.94M | 0.00% | +124,032 | New |
| Millennium Management LLC | 177,945 | $4.22M | 0.01% | +177,945 | New |
| Geode Capital Management, LLC | 186,627 | $4.43M | 0.00% | +151,692+434.2% | Added |
| Samsara BioCapital, LLC | 202,500 | $4.80M | 0.80% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 376,439 | $8.93M | 0.19% | +2,700+0.7% | Added |
| Driehaus Capital Management LLC | 431,446 | $10.2M | 0.12% | −2,977−0.7% | Reduced |
| BlackRock Inc. | 521,273 | $12.4M | 0.00% | +516,901+11,823.0% | Added |
| Perceptive Advisors LLC | 556,047 | $13.2M | 0.19% | −200,000−26.5% | Reduced |
| Franklin Resources Inc | 590,527 | $14.0M | 0.01% | +71,561+13.8% | Added |
| BVF Inc | 810,284 | $19.2M | 0.75% | −108,691−11.8% | Reduced |
| Vanguard Group Inc | 820,073 | $19.5M | 0.00% | +200,689+32.4% | Added |
| Janus Henderson Group PLC | 1,022,483 | $23.4M | 0.01% | −275,287−21.2% | Reduced |
| Boxer Capital, LLC | 1,189,943 | $28.2M | 0.99% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,211,396 | $28.7M | 0.08% | −130,000−9.7% | Reduced |
| Price T Rowe Associates Inc | 1,506,326 | $34.9M | 0.00% | +930+0.1% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,710,730 | $40.6M | 0.79% | +891,750+108.9% | Added |
| FMR LLC | 2,161,909 | $51.3M | 0.00% | −150,541−6.5% | Reduced |
| Ra Capital Management, L.P. | 4,965,588 | $117.8M | 1.63% | 00.0% | Unchanged |
| HealthCor Management, L.P. | 0 | $0 | 0.00% | −103,717−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −41,147−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −18,927−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,497−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −11,594−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −9,372−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |