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 2021
Institutional positions in Day One Biopharmaceuticals, Inc. as of Dec 31, 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
- 58
- +13 vs. Q3 2021
- Shares held
- 41.5M
- +22.4M (+117.2%) vs. Q3 2021
- Total value
- $698.3M
- +$245.3M (+54.2%) vs. Q3 2021
- New holders
- 18
- 25 more added
- Sold out
- 5
- 5 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Canaan Partners XI LLC | 9,663,645 | $162.8M | 41.94% | +9,663,645 | New |
| Atlas Venture Life Science Advisors, LLC | 8,201,638 | $138.2M | 12.69% | +8,201,638 | New |
| Ra Capital Management, L.P. | 4,965,588 | $83.7M | 1.48% | 00.0% | Unchanged |
| Vanguard Group Inc | 3,034,777 | $51.1M | 0.00% | +2,214,704+270.1% | Added |
| FMR LLC | 2,830,353 | $47.7M | 0.00% | +668,444+30.9% | Added |
| Deerfield Management Company, L.P. (Series C) | 2,202,533 | $37.1M | 0.78% | +491,803+28.7% | Added |
| Price T Rowe Associates Inc | 1,580,978 | $26.6M | 0.00% | +74,652+5.0% | Added |
| Boxer Capital, LLC | 1,189,943 | $20.1M | 0.80% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,157,424 | $19.5M | 0.06% | −53,972−4.5% | Reduced |
| Janus Henderson Group PLC | 1,022,548 | $16.6M | 0.01% | +650.0% | Added |
| Franklin Resources Inc | 961,226 | $16.2M | 0.01% | +370,699+62.8% | Added |
| BVF Inc | 809,282 | $13.6M | 0.49% | −1,002−0.1% | Reduced |
| BlackRock Inc. | 752,119 | $12.7M | 0.00% | +230,846+44.3% | Added |
| Perceptive Advisors LLC | 556,047 | $9.37M | 0.14% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 411,207 | $6.93M | 0.07% | −20,239−4.7% | Reduced |
| Rock Springs Capital Management LP | 381,939 | $6.44M | 0.15% | +5,500+1.5% | Added |
| Pathway Capital Management, LP | 242,245 | $4.08M | 19.55% | +242,245 | New |
| Geode Capital Management, LLC | 209,343 | $3.53M | 0.00% | +22,716+12.2% | Added |
| Samsara BioCapital, LLC | 202,500 | $3.41M | 0.68% | 00.0% | Unchanged |
| State Street Corp | 189,491 | $3.19M | 0.00% | +65,459+52.8% | Added |
| Adage Capital Partners GP, L.L.C. | 110,000 | $1.85M | 0.00% | +20,000+22.2% | Added |
| Northern Trust Corp | 103,677 | $1.75M | 0.00% | +5,578+5.7% | Added |
| Alyeska Investment Group, L.P. | 103,200 | $1.74M | 0.02% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 76,168 | $1.28M | 0.00% | +942+1.3% | Added |
| Alps Advisors Inc | 71,668 | $1.21M | 0.01% | +71,668 | New |
| JPMorgan Chase & Co | 51,960 | $875.0K | 0.00% | +47,737+1,130.4% | Added |
| Utah Retirement Systems | 40,552 | $684.0K | 0.01% | +40,552 | New |
| TD Asset Management Inc | 37,449 | $631.0K | 0.00% | +20,593+122.2% | Added |
| Logos Global Management LP | 37,069 | $624.0K | 0.06% | −15,000−28.8% | Reduced |
| Summit Rock Advisors, LP | 33,125 | $558.0K | 0.33% | +33,125 | New |
| Bank of New York Mellon Corp | 32,240 | $543.0K | 0.00% | +5,445+20.3% | Added |
| State of Tennessee, Treasury Department | 25,460 | $429.0K | 0.00% | +25,460 | New |
| Goldman Sachs Group Inc | 24,546 | $414.0K | 0.00% | +24,546 | New |
| Nuveen Asset Management, LLC | 14,961 | $260.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 13,964 | $236.0K | 0.00% | +10,997+370.6% | Added |
| Prudential Financial Inc | 13,935 | $235.0K | 0.00% | +13,935 | New |
| D. E. Shaw & Co., Inc. | 13,404 | $226.0K | 0.00% | +13,404 | New |
| HarbourVest Partners LLC | 13,388 | $226.0K | 0.03% | +13,388 | New |
| Nan Fung Group Holdings Ltd | 11,445 | $193.0K | 0.06% | +11,445 | New |
| ProShare Advisors LLC | 11,127 | $188.0K | 0.00% | +11,127 | New |
| Wells Fargo & Company | 10,652 | $180.0K | 0.00% | +599+6.0% | Added |
| Virtus ETF Advisers LLC | 9,413 | $159.0K | 0.06% | +9,413 | New |
| New York State Common Retirement Fund | 8,102 | $137.0K | 0.00% | +8,102 | New |
| Deutsche Bank AG | 6,702 | $113.0K | 0.00% | +363+5.7% | Added |
| California State Teachers Retirement System | 6,106 | $103.0K | 0.00% | +149+2.5% | Added |
| UBS Group AG | 6,103 | $103.0K | 0.00% | +6,044+10,244.1% | Added |
| American International Group, Inc. | 5,860 | $99.0K | 0.00% | −175−2.9% | Reduced |
| Bank of America Corp | 5,685 | $96.0K | 0.00% | +5,201+1,074.6% | Added |
| Citigroup Inc | 4,682 | $79.0K | 0.00% | +3,403+266.1% | Added |
| Royal Bank of Canada | 3,305 | $55.0K | 0.00% | +1,929+140.2% | Added |
| STRS Ohio | 2,500 | $42.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 1,027 | $17.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,047 | $17.0K | 0.00% | +513+96.1% | Added |
| Ameritas Investment Partners, Inc. | 845 | $14.0K | 0.00% | 00.0% | Unchanged |
| Capital Analysts, LLC | 750 | $13.0K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 181 | $3.00K | 0.00% | +181 | New |
| High Net Worth Advisory Group LLC | 200 | $3.00K | 0.00% | +200 | New |
| Kayne Anderson Rudnick Investment Management LLC | 5 | $0 | 0.00% | +5 | New |
| Millennium Management LLC | 0 | $0 | 0.00% | −177,945−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −4,806−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −3,636−100.0% | Sold out |
| Jacobi Capital Management LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Red Tortoise LLC | 0 | $0 | 0.00% | −196−100.0% | Sold out |