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, Q1 2023
Institutional positions in Day One Biopharmaceuticals, Inc. as of Mar 31, 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
- 126
- +17 vs. Q4 2022
- Shares held
- 61.2M
- +1.02M (+1.7%) vs. Q4 2022
- Total value
- $818.1M
- −$470.9M (−36.5%) vs. Q4 2022
- New holders
- 34
- 40 more added
- Sold out
- 17
- 27 more reduced
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 8,572,183 | $114.6M | 0.01% | −430,128−4.8% | Reduced |
| Atlas Venture Life Science Advisors, LLC | 7,608,394 | $101.7M | 13.77% | +40,077+0.5% | Added |
| Ra Capital Management, L.P. | 7,040,622 | $94.1M | 2.13% | 00.0% | Unchanged |
| Franklin Resources Inc | 3,406,871 | $45.5M | 0.02% | +934,022+37.8% | Added |
| Braidwell LP | 3,159,895 | $42.2M | 1.39% | +1,913,356+153.5% | Added |
| Vanguard Group Inc | 3,131,981 | $41.9M | 0.00% | +23,008+0.7% | Added |
| Canaan Partners XI LLC | 2,548,403 | $34.1M | 24.51% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 2,283,336 | $30.5M | 0.01% | +515,234+29.1% | Added |
| BlackRock Inc. | 2,258,495 | $30.2M | 0.00% | −176,773−7.3% | Reduced |
| State Street Corp | 2,256,791 | $30.2M | 0.00% | −199,744−8.1% | Reduced |
| Price T Rowe Associates Inc | 1,664,751 | $22.3M | 0.00% | −517,827−23.7% | Reduced |
| Nicholas Investment Partners, LP | 1,603,390 | $21.4M | 1.63% | +816,836+103.8% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,558,563 | $20.8M | 0.10% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 1,399,548 | $18.7M | 0.14% | 00.0% | Unchanged |
| Boxer Capital, LLC | 1,189,943 | $15.9M | 0.78% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 740,000 | $9.89M | 0.02% | −2,560,000−77.6% | Reduced |
| Commodore Capital LP | 739,661 | $9.89M | 1.51% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 588,476 | $7.87M | 0.00% | +7,992+1.4% | Added |
| Janus Henderson Group PLC | 562,794 | $7.53M | 0.00% | +562,794 | New |
| Nuveen Asset Management, LLC | 498,791 | $6.67M | 0.00% | +77,664+18.4% | Added |
| Driehaus Capital Management LLC | 471,884 | $6.31M | 0.09% | −11,600−2.4% | Reduced |
| D. E. Shaw & Co., Inc. | 424,379 | $5.67M | 0.01% | −176,943−29.4% | Reduced |
| Lord, Abbett & Co. LLC | 402,440 | $5.38M | 0.02% | −103,738−20.5% | Reduced |
| Parkman Healthcare Partners LLC | 400,220 | $5.35M | 1.16% | +175,737+78.3% | Added |
| Citadel Advisors LLC | 394,084 | $5.27M | 0.01% | +387,213+5,635.5% | Added |
| Renaissance Technologies LLC | 379,100 | $5.07M | 0.01% | +231,674+157.1% | Added |
| Dimensional Fund Advisors LP | 364,059 | $4.87M | 0.00% | +225,451+162.7% | Added |
| Alyeska Investment Group, L.P. | 265,167 | $3.55M | 0.03% | +121,949+85.1% | Added |
| Bank of America Corp | 233,590 | $3.12M | 0.00% | +109,117+87.7% | Added |
| Squarepoint Ops LLC | 223,977 | $2.99M | 0.02% | +193,161+626.8% | Added |
| Millennium Management LLC | 219,670 | $2.94M | 0.00% | +219,670 | New |
| Northern Trust Corp | 219,521 | $2.93M | 0.00% | −5,748−2.6% | Reduced |
| Charles Schwab Investment Management Inc | 202,667 | $2.71M | 0.00% | −1,238−0.6% | Reduced |
| Samsara BioCapital, LLC | 196,425 | $2.63M | 0.54% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 191,445 | $2.56M | 0.02% | −14,001−6.8% | Reduced |
| Morgan Stanley | 183,919 | $2.46M | 0.00% | +96,654+110.8% | Added |
| Candriam Luxembourg S.C.A. | 190,193 | $2.34M | 0.02% | +190,193 | New |
| Cubist Systematic Strategies, LLC | 172,408 | $2.31M | 0.02% | +128,850+295.8% | Added |
| Norges Bank | 169,000 | $2.26M | 0.00% | +61,000+56.5% | Added |
| Deutsche Bank AG | 168,335 | $2.25M | 0.00% | +151,525+901.4% | Added |
| Two Sigma Investments, LP | 153,569 | $2.05M | 0.01% | +153,569 | New |
| Citigroup Inc | 152,998 | $2.05M | 0.00% | +62,985+70.0% | Added |
| Woodline Partners LP | 151,028 | $2.02M | 0.03% | 00.0% | Unchanged |
| Great Point Partners LLC | 141,526 | $1.89M | 0.37% | −402,925−74.0% | Reduced |
| Moody Aldrich Partners LLC | 117,326 | $1.57M | 0.32% | +117,326 | New |
| Bank of New York Mellon Corp | 111,631 | $1.49M | 0.00% | +11,130+11.1% | Added |
| Macquarie Group Ltd | 110,000 | $1.47M | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 104,940 | $1.40M | 0.01% | −10,560−9.1% | Reduced |
| Qube Research & Technologies Ltd | 104,327 | $1.39M | 0.01% | +91,057+686.2% | Added |
| Susquehanna International Group, LLP | 101,278 | $1.35M | 0.00% | +80,710+392.4% | Added |
| Jump Financial, LLC | 100,388 | $1.34M | 0.05% | +84,024+513.5% | Added |
| Maven Securities LTD | 100,000 | $1.34M | 0.21% | +100,000 | New |
| Jane Street Group, LLC | 98,595 | $1.32M | 0.00% | +98,595 | New |
| Barclays PLC | 73,569 | $983.6K | 0.00% | −35,983−32.8% | Reduced |
| UBS Group AG | 69,865 | $934.1K | 0.00% | −59,992−46.2% | Reduced |
| Wells Fargo & Company | 57,558 | $769.6K | 0.00% | +36,837+177.8% | Added |
| Manufacturers Life Insurance Company, The | 55,249 | $738.7K | 0.00% | −3,905−6.6% | Reduced |
| New York State Common Retirement Fund | 54,235 | $725.1K | 0.00% | +2,422+4.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 54,000 | $722.0K | 0.00% | 00.0% | Unchanged |
| Trexquant Investment LP | 52,335 | $699.7K | 0.02% | +52,335 | New |
| Erste Asset Management GmbH | 51,200 | $652.8K | 0.01% | +51,200 | New |
| Alps Advisors Inc | 48,483 | $648.2K | 0.01% | −1,373−2.8% | Reduced |
| Rhumbline Advisers | 43,996 | $588.0K | 0.00% | +1,043+2.4% | Added |
| Dynamic Technology Lab Private Ltd | 41,151 | $550.0K | 0.05% | +41,151 | New |
| Alliancebernstein L.P. | 37,400 | $500.0K | 0.00% | −4,500−10.7% | Reduced |
| Gsa Capital Partners LLP | 36,494 | $488.0K | 0.05% | +36,494 | New |
| Fisher Asset Management, LLC | 36,208 | $484.1K | 0.00% | −180.0% | Reduced |
| Profund Advisors LLC | 35,329 | $472.3K | 0.03% | +35,329 | New |
| Martingale Asset Management L P | 31,942 | $427.1K | 0.01% | −100−0.3% | Reduced |
| Legato Capital Management LLC | 29,992 | $401.0K | 0.07% | +6,218+26.2% | Added |
| Verition Fund Management LLC | 29,331 | $392.2K | 0.01% | +29,331 | New |
| UBS Oconnor LLC | 28,053 | $375.1K | 0.01% | +28,053 | New |
| Voya Investment Management LLC | 27,898 | $373.0K | 0.00% | 00.0% | Unchanged |
| TD Asset Management Inc | 27,598 | $369.0K | 0.00% | −18,734−40.4% | Reduced |
| Axq Capital, LP | 23,070 | $308.4K | 0.12% | +23,070 | New |
| Mirae Asset Global Investments Co., Ltd. | 22,398 | $299.5K | 0.00% | +7,106+46.5% | Added |
| Ergoteles LLC | 22,335 | $298.6K | 0.01% | +22,335 | New |
| US Bancorp | 22,265 | $297.7K | 0.00% | +22,265 | New |
| JPMorgan Chase & Co | 22,211 | $297.0K | 0.00% | −49,795−69.2% | Reduced |
| Occudo Quantitative Strategies LP | 20,947 | $280.1K | 0.03% | +20,947 | New |
| XTX Topco Ltd | 20,582 | $275.2K | 0.06% | +20,582 | New |
| Parkwood LLC | 20,381 | $272.0K | 0.05% | +1,028+5.3% | Added |
| Algert Global LLC | 17,380 | $232.4K | 0.01% | +17,380 | New |
| SEI Investments Co | 17,342 | $231.9K | 0.00% | +17,342 | New |
| SG Americas Securities, LLC | 17,157 | $229.0K | 0.00% | +4,018+30.6% | Added |
| Walleye Capital LLC | 16,519 | $220.9K | 0.00% | +16,519 | New |
| MetLife Investment Management | 15,573 | $208.2K | 0.00% | 00.0% | Unchanged |
| Glenmede Trust Co NA | 15,209 | $203.3K | 0.00% | +15,209 | New |
| Laurion Capital Management LP | 15,000 | $200.6K | 0.01% | 00.0% | Unchanged |
| Point72 Middle East FZE | 13,779 | $184.2K | 0.01% | +13,779 | New |
| Principal Financial Group Inc | 13,713 | $183.3K | 0.00% | +685+5.3% | Added |
| American International Group, Inc. | 13,364 | $178.7K | 0.00% | +267+2.0% | Added |
| AQR Capital Management LLC | 13,056 | $174.6K | 0.00% | +3,545+37.3% | Added |
| Tudor Investment Corp Et Al | 11,128 | $149.0K | 0.00% | +11,128 | New |
| Virtu Financial LLC | 10,941 | $146.0K | 0.02% | +10,941 | New |
| E Fund Management Co., Ltd. | 10,867 | $145.0K | 0.01% | +103+1.0% | Added |
| State Board of Administration of Florida Retirement System | 10,650 | $142.4K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 10,294 | $137.6K | 0.00% | −760−6.9% | Reduced |
| Cetera Advisor Networks LLC | 10,000 | $133.7K | 0.00% | +10,000 | New |
| Tower Research Capital LLC (TRC) | 6,786 | $91.0K | 0.00% | +4,350+178.6% | Added |