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 2023
Institutional positions in Day One Biopharmaceuticals, Inc. as of Jun 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
- 140
- +14 vs. Q1 2023
- Shares held
- 78.8M
- +17.6M (+28.7%) vs. Q1 2023
- Total value
- $941.0M
- +$122.9M (+15.0%) vs. Q1 2023
- New holders
- 39
- 60 more added
- Sold out
- 25
- 23 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 237,704 | $2.84M | 0.00% | +53,785+29.2% | Added |
| Candriam Luxembourg S.C.A. | 290,014 | $3.46M | 0.03% | +99,821+52.5% | Added |
| Rafferty Asset Management, LLC | 291,008 | $3.47M | 0.02% | +99,563+52.0% | Added |
| Charles Schwab Investment Management Inc | 322,088 | $3.85M | 0.00% | +119,421+58.9% | Added |
| Nuveen Asset Management, LLC | 352,766 | $4.21M | 0.00% | −146,025−29.3% | Reduced |
| Alyeska Investment Group, L.P. | 390,167 | $4.66M | 0.04% | +125,000+47.1% | Added |
| Parkman Healthcare Partners LLC | 428,279 | $5.11M | 0.89% | +28,059+7.0% | Added |
| Northern Trust Corp | 432,592 | $5.17M | 0.00% | +213,071+97.1% | Added |
| Driehaus Capital Management LLC | 478,106 | $5.71M | 0.07% | +6,222+1.3% | Added |
| Millennium Management LLC | 488,124 | $5.83M | 0.01% | +268,454+122.2% | Added |
| Artal Group S.A. | 500,000 | $5.97M | 0.19% | +500,000 | New |
| DAFNA Capital Management LLC | 507,100 | $6.05M | 1.66% | +507,100 | New |
| Verition Fund Management LLC | 511,266 | $6.10M | 0.10% | +481,935+1,643.1% | Added |
| Sphera Funds Management Ltd. | 530,000 | $6.33M | 1.36% | +530,000 | New |
| Logos Global Management LP | 650,000 | $7.76M | 1.07% | +650,000 | New |
| Janus Henderson Group PLC | 687,510 | $8.21M | 0.01% | +124,716+22.2% | Added |
| Commodore Capital LP | 739,661 | $8.83M | 0.99% | 00.0% | Unchanged |
| Citadel Advisors LLC | 772,156 | $9.22M | 0.01% | +378,072+95.9% | Added |
| Marshall Wace, LLP | 789,632 | $9.43M | 0.02% | +789,632 | New |
| TimesSquare Capital Management, LLC | 805,700 | $9.62M | 0.14% | +805,700 | New |
| Geode Capital Management, LLC | 925,216 | $11.0M | 0.00% | +336,740+57.2% | Added |
| Baker Bros. Advisors LP | 1,000,000 | $11.9M | 0.07% | +1,000,000 | New |
| PFM Health Sciences, LP | 1,147,140 | $13.7M | 0.55% | +1,147,140 | New |
| Boxer Capital, LLC | 1,189,943 | $14.2M | 0.66% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 1,269,992 | $15.2M | 0.32% | +1,269,992 | New |
| Polar Capital Holdings Plc | 1,774,615 | $21.2M | 0.15% | +375,067+26.8% | Added |
| Nicholas Investment Partners, LP | 2,237,111 | $26.7M | 1.83% | +633,721+39.5% | Added |
| Price T Rowe Associates Inc | 2,309,731 | $27.6M | 0.00% | +644,980+38.7% | Added |
| Goldman Sachs Group Inc | 2,392,523 | $28.6M | 0.01% | +109,187+4.8% | Added |
| Adage Capital Partners GP, L.L.C. | 2,442,500 | $29.2M | 0.06% | +1,702,500+230.1% | Added |
| Canaan Partners XI LLC | 2,548,403 | $30.4M | 21.55% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,558,563 | $30.5M | 0.13% | +1,000,000+64.2% | Added |
| State Street Corp | 3,354,326 | $40.1M | 0.00% | +1,097,535+48.6% | Added |
| Braidwell LP | 3,361,813 | $40.1M | 1.31% | +201,918+6.4% | Added |
| BlackRock Inc. | 3,564,733 | $42.6M | 0.00% | +1,306,238+57.8% | Added |
| Franklin Resources Inc | 4,065,668 | $48.5M | 0.02% | +658,797+19.3% | Added |
| Vanguard Group Inc | 4,283,664 | $51.1M | 0.00% | +1,151,683+36.8% | Added |
| FMR LLC | 7,559,903 | $90.3M | 0.01% | −1,012,280−11.8% | Reduced |
| Atlas Venture Life Science Advisors, LLC | 7,608,394 | $90.8M | 11.31% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 7,809,852 | $93.2M | 1.76% | +769,230+10.9% | Added |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −402,440−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −172,408−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −153,569−100.0% | Sold out |
| Great Point Partners LLC | 0 | $0 | 0.00% | −141,526−100.0% | Sold out |
| Moody Aldrich Partners LLC | 0 | $0 | 0.00% | −117,326−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −104,327−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −52,335−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −36,494−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −28,053−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −23,070−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −22,335−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −22,265−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −20,947−100.0% | Sold out |
| Parkwood LLC | 0 | $0 | 0.00% | −20,381−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −17,342−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −16,519−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −13,779−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −10,941−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −2,400−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −2,300−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −1,974−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −725−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −13−100.0% | Sold out |