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 2024
Institutional positions in Day One Biopharmaceuticals, Inc. as of Jun 30, 2024. 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
- 157
- +10 vs. Q1 2024
- Shares held
- 74.7M
- +1.99M (+2.7%) vs. Q1 2024
- Total value
- $1.03B
- −$171.8M (−14.3%) vs. Q1 2024
- New holders
- 33
- 49 more added
- Sold out
- 23
- 48 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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 2024
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 17,425 | $240.0K | 0.01% | +14,667+531.8% | Added |
| Steel Peak Wealth Management LLC | 15,850 | $218.4K | 0.01% | +15,850 | New |
| Exchange Traded Concepts, LLC | 15,317 | $211.1K | 0.01% | −4,763−23.7% | Reduced |
| Diametric Capital, LP | 15,023 | $207.0K | 0.11% | −3,773−20.1% | Reduced |
| ExodusPoint Capital Management, LP | 14,873 | $205.0K | 0.00% | −82,748−84.8% | Reduced |
| Aigen Investment Management, LP | 14,008 | $193.0K | 0.04% | +14,008 | New |
| Y-Intercept (Hong Kong) Ltd | 13,822 | $190.5K | 0.01% | +13,822 | New |
| ProShare Advisors LLC | 13,787 | $190.0K | 0.00% | −3,592−20.7% | Reduced |
| Arizona State Retirement System | 13,454 | $185.4K | 0.00% | +297+2.3% | Added |
| Torno Capital, LLC | 13,037 | $179.7K | 0.02% | +13,037 | New |
| HSBC Holdings PLC | 11,658 | $162.5K | 0.00% | +11,658 | New |
| Vontobel Holding Ltd. | 10,944 | $150.8K | 0.00% | +10,944 | New |
| TD Asset Management Inc | 10,796 | $148.8K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 10,553 | $145.0K | 0.00% | −100−0.9% | Reduced |
| Centiva Capital, LP | 10,366 | $142.8K | 0.01% | +10,366 | New |
| China Universal Asset Management Co., Ltd. | 10,268 | $141.5K | 0.02% | −6,549−38.9% | Reduced |
| Mariner, LLC | 10,027 | $138.2K | 0.00% | +10,027 | New |
| Regency Capital Management Inc. | 10,000 | $137.8K | 0.09% | −1,000−9.1% | Reduced |
| Paloma Partners Management Co | 10,000 | $137.8K | 0.01% | +10,000 | New |
| Point72 (DIFC) Ltd | 8,992 | $123.9K | 0.01% | +8,992 | New |
| SG Americas Securities, LLC | 8,222 | $113.0K | 0.00% | +8,222 | New |
| Royal Bank of Canada | 7,115 | $98.0K | 0.00% | +3,409+92.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,978 | $96.2K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 5,987 | $82.5K | 0.00% | +982+19.6% | Added |
| Ameritas Investment Partners, Inc. | 5,085 | $70.1K | 0.00% | −1,194−19.0% | Reduced |
| Quintet Private Bank (Europe) S.A. | 2,923 | $45.7K | 0.00% | +4+0.1% | Added |
| TSFG, LLC | 3,000 | $41.0K | 0.01% | 00.0% | Unchanged |
| Amundi | 2,976 | $40.2K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 2,824 | $38.9K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 2,609 | $36.1K | 0.00% | −19,254−88.1% | Reduced |
| Amalgamated Bank | 2,138 | $29.0K | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 1,900 | $26.2K | 0.00% | +1,900 | New |
| Russell Investments Group, Ltd. | 1,751 | $24.1K | 0.00% | +1,751 | New |
| Continuum Advisory, LLC | 1,340 | $18.5K | 0.00% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 1,200 | $16.5K | 0.00% | −1,200−50.0% | Reduced |
| Nisa Investment Advisors, LLC | 1,157 | $15.9K | 0.00% | +1,063+1,130.9% | Added |
| Pacer Advisors, Inc. | 851 | $11.7K | 0.00% | −51−5.7% | Reduced |
| ICA Group Wealth Management, LLC | 490 | $6.75K | 0.00% | +455+1,300.0% | Added |
| Daiwa Securities Group Inc. | 296 | $4.00K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 248 | $3.42K | 0.00% | +42+20.4% | Added |
| Washington Trust Advisors, Inc. | 246 | $3.39K | 0.00% | 00.0% | Unchanged |
| Red Tortoise LLC | 196 | $2.70K | 0.00% | 00.0% | Unchanged |
| CarsonAllaria Wealth Management, Ltd. | 180 | $2.48K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 168 | $2.31K | 0.00% | +168 | New |
| Bellevue Asset Management, LLC | 93 | $1.28K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 83 | $1.14K | 0.00% | −9,133−99.1% | Reduced |
| CWM, LLC | 71 | $1.00K | 0.00% | +71 | New |
| Global Trust Asset Management, LLC | 50 | $689 | 0.00% | +50 | New |
| GAMMA Investing LLC | 42 | $579 | 0.00% | −117−73.6% | Reduced |
| Spire Wealth Management | 40 | $551 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 30 | $413 | 0.00% | +20+200.0% | Added |
| C M Bidwell & Associates Ltd | 28 | $386 | 0.00% | +28 | New |
| IFP Advisors, Inc | 24 | $331 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 19 | $262 | 0.00% | +19 | New |
| SRS Capital Advisors, Inc. | 8 | $111 | 0.00% | +8 | New |
| Farther Finance Advisors, LLC | 1 | $14 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 7 | $0 | 0.00% | 00.0% | Unchanged |
| First Turn Management, LLC | 0 | $0 | 0.00% | −1,318,207−100.0% | Sold out |
| Nicholas Investment Partners, LP | 0 | $0 | 0.00% | −361,767−100.0% | Sold out |
| Superstring Capital Management LP | 0 | $0 | 0.00% | −349,679−100.0% | Sold out |
| Propel Bio Management, LLC | 0 | $0 | 0.00% | −270,664−100.0% | Sold out |
| Altitude Crest Partners Inc. | 0 | $0 | 0.00% | −195,497−100.0% | Sold out |
| Simplify Asset Management Inc. | 0 | $0 | 0.00% | −175,018−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −159,000−100.0% | Sold out |
| Takeda Pharmaceutical Co Ltd | 0 | $0 | 0.00% | −85,840−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −53,152−100.0% | Sold out |
| Summit Rock Advisors, LP | 0 | $0 | 0.00% | −51,502−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −32,142−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −32,029−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −30,877−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −24,042−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −19,419−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −18,560−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −17,977−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −13,935−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −13,374−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −6,400−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −3,691−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |