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, Q2 2021
Institutional positions in Day One Biopharmaceuticals, Inc. as of Jun 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
- 33
- +33 vs. Q1 2021
- Shares held
- 17.7M
- +17.7M vs. Q1 2021
- Total value
- $401.1M
- +$401.1M vs. Q1 2021
- New holders
- 33
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tower Research Capital LLC (TRC) | 10 | $0 | 0.00% | +10 | New |
| JPMorgan Chase & Co | 54 | $1.00K | 0.00% | +54 | New |
| Bank of America Corp | 700 | $16.0K | 0.00% | +700 | New |
| Capital Analysts, LLC | 750 | $17.0K | 0.00% | +750 | New |
| Morgan Stanley | 2,374 | $54.0K | 0.00% | +2,374 | New |
| BlackRock Inc. | 4,372 | $99.0K | 0.00% | +4,372 | New |
| Maven Securities LTD | 9,000 | $210.0K | 0.02% | +9,000 | New |
| ExodusPoint Capital Management, LP | 9,372 | $213.0K | 0.00% | +9,372 | New |
| Goldman Sachs Group Inc | 11,594 | $264.0K | 0.00% | +11,594 | New |
| Virtu Financial LLC | 12,497 | $285.0K | 0.03% | +12,497 | New |
| Northern Trust Corp | 12,718 | $290.0K | 0.00% | +12,718 | New |
| TD Asset Management Inc | 16,856 | $400.0K | 0.00% | +16,856 | New |
| Squarepoint Ops LLC | 18,927 | $431.0K | 0.00% | +18,927 | New |
| Geode Capital Management, LLC | 34,935 | $795.0K | 0.00% | +34,935 | New |
| Logos Global Management LP | 37,069 | $844.0K | 0.07% | +37,069 | New |
| Marshall Wace North America L.P. | 41,147 | $937.0K | 0.00% | +41,147 | New |
| LMR Partners LLP | 50,000 | $1.14M | 0.02% | +50,000 | New |
| Alyeska Investment Group, L.P. | 103,200 | $2.35M | 0.03% | +103,200 | New |
| HealthCor Management, L.P. | 103,717 | $2.36M | 0.10% | +103,717 | New |
| Samsara BioCapital, LLC | 202,500 | $4.61M | 0.61% | +202,500 | New |
| Rock Springs Capital Management LP | 373,739 | $8.51M | 0.17% | +373,739 | New |
| Driehaus Capital Management LLC | 434,423 | $9.89M | 0.13% | +434,423 | New |
| Franklin Resources Inc | 518,966 | $11.8M | 0.00% | +518,966 | New |
| Vanguard Group Inc | 619,384 | $14.1M | 0.00% | +619,384 | New |
| Perceptive Advisors LLC | 756,047 | $17.2M | 0.22% | +756,047 | New |
| Deerfield Management Company, L.P. (Series C) | 818,980 | $18.6M | 0.33% | +818,980 | New |
| BVF Inc | 918,975 | $20.9M | 0.78% | +918,975 | New |
| Boxer Capital, LLC | 1,189,943 | $27.1M | 0.96% | +1,189,943 | New |
| Janus Henderson Group PLC | 1,297,770 | $27.9M | 0.01% | +1,297,770 | New |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,341,396 | $30.5M | 0.09% | +1,341,396 | New |
| Price T Rowe Associates Inc | 1,505,396 | $33.4M | 0.00% | +1,505,396 | New |
| FMR LLC | 2,312,450 | $52.7M | 0.00% | +2,312,450 | New |
| Ra Capital Management, L.P. | 4,965,588 | $113.1M | 1.81% | +4,965,588 | New |