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 |
|---|---|---|---|---|---|
| Kayne Anderson Rudnick Investment Management LLC | 5 | $0 | 0.00% | +5 | New |
| Daiwa Securities Group Inc. | 181 | $3.00K | 0.00% | +181 | New |
| High Net Worth Advisory Group LLC | 200 | $3.00K | 0.00% | +200 | New |
| Capital Analysts, LLC | 750 | $13.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 845 | $14.0K | 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 |
| STRS Ohio | 2,500 | $42.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 3,305 | $55.0K | 0.00% | +1,929+140.2% | Added |
| Citigroup Inc | 4,682 | $79.0K | 0.00% | +3,403+266.1% | Added |
| Bank of America Corp | 5,685 | $96.0K | 0.00% | +5,201+1,074.6% | Added |
| American International Group, Inc. | 5,860 | $99.0K | 0.00% | −175−2.9% | Reduced |
| 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 |
| Deutsche Bank AG | 6,702 | $113.0K | 0.00% | +363+5.7% | Added |
| New York State Common Retirement Fund | 8,102 | $137.0K | 0.00% | +8,102 | New |
| Virtus ETF Advisers LLC | 9,413 | $159.0K | 0.06% | +9,413 | New |
| Wells Fargo & Company | 10,652 | $180.0K | 0.00% | +599+6.0% | Added |
| ProShare Advisors LLC | 11,127 | $188.0K | 0.00% | +11,127 | New |
| Nan Fung Group Holdings Ltd | 11,445 | $193.0K | 0.06% | +11,445 | 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 |
| Prudential Financial Inc | 13,935 | $235.0K | 0.00% | +13,935 | New |
| Morgan Stanley | 13,964 | $236.0K | 0.00% | +10,997+370.6% | Added |
| Nuveen Asset Management, LLC | 14,961 | $260.0K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 24,546 | $414.0K | 0.00% | +24,546 | New |
| State of Tennessee, Treasury Department | 25,460 | $429.0K | 0.00% | +25,460 | New |
| Bank of New York Mellon Corp | 32,240 | $543.0K | 0.00% | +5,445+20.3% | Added |
| Summit Rock Advisors, LP | 33,125 | $558.0K | 0.33% | +33,125 | New |
| Logos Global Management LP | 37,069 | $624.0K | 0.06% | −15,000−28.8% | Reduced |
| TD Asset Management Inc | 37,449 | $631.0K | 0.00% | +20,593+122.2% | Added |
| Utah Retirement Systems | 40,552 | $684.0K | 0.01% | +40,552 | New |
| JPMorgan Chase & Co | 51,960 | $875.0K | 0.00% | +47,737+1,130.4% | Added |
| Alps Advisors Inc | 71,668 | $1.21M | 0.01% | +71,668 | New |
| Charles Schwab Investment Management Inc | 76,168 | $1.28M | 0.00% | +942+1.3% | Added |
| Alyeska Investment Group, L.P. | 103,200 | $1.74M | 0.02% | 00.0% | Unchanged |
| Northern Trust Corp | 103,677 | $1.75M | 0.00% | +5,578+5.7% | Added |
| Adage Capital Partners GP, L.L.C. | 110,000 | $1.85M | 0.00% | +20,000+22.2% | Added |
| State Street Corp | 189,491 | $3.19M | 0.00% | +65,459+52.8% | Added |
| Samsara BioCapital, LLC | 202,500 | $3.41M | 0.68% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 209,343 | $3.53M | 0.00% | +22,716+12.2% | Added |
| Pathway Capital Management, LP | 242,245 | $4.08M | 19.55% | +242,245 | New |
| Rock Springs Capital Management LP | 381,939 | $6.44M | 0.15% | +5,500+1.5% | Added |
| Driehaus Capital Management LLC | 411,207 | $6.93M | 0.07% | −20,239−4.7% | Reduced |
| Perceptive Advisors LLC | 556,047 | $9.37M | 0.14% | 00.0% | Unchanged |
| BlackRock Inc. | 752,119 | $12.7M | 0.00% | +230,846+44.3% | Added |
| BVF Inc | 809,282 | $13.6M | 0.49% | −1,002−0.1% | Reduced |
| Franklin Resources Inc | 961,226 | $16.2M | 0.01% | +370,699+62.8% | Added |
| Janus Henderson Group PLC | 1,022,548 | $16.6M | 0.01% | +650.0% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,157,424 | $19.5M | 0.06% | −53,972−4.5% | Reduced |
| Boxer Capital, LLC | 1,189,943 | $20.1M | 0.80% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 1,580,978 | $26.6M | 0.00% | +74,652+5.0% | Added |
| Deerfield Management Company, L.P. (Series C) | 2,202,533 | $37.1M | 0.78% | +491,803+28.7% | Added |
| FMR LLC | 2,830,353 | $47.7M | 0.00% | +668,444+30.9% | Added |
| Vanguard Group Inc | 3,034,777 | $51.1M | 0.00% | +2,214,704+270.1% | Added |
| Ra Capital Management, L.P. | 4,965,588 | $83.7M | 1.48% | 00.0% | Unchanged |
| Atlas Venture Life Science Advisors, LLC | 8,201,638 | $138.2M | 12.69% | +8,201,638 | New |
| Canaan Partners XI LLC | 9,663,645 | $162.8M | 41.94% | +9,663,645 | 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 |