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 2025
Institutional positions in Day One Biopharmaceuticals, Inc. as of Jun 30, 2025. 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
- 174
- −8 vs. Q1 2025
- Shares held
- 86.3M
- −7.85M (−8.3%) vs. Q1 2025
- Total value
- $561.1M
- −$185.7M (−24.9%) vs. Q1 2025
- New holders
- 26
- 71 more added
- Sold out
- 34
- 55 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| American Century Companies Inc | 27,330 | $177.6K | 0.00% | +12,915+89.6% | Added |
| Verition Fund Management LLC | 26,480 | $172.1K | 0.00% | −1,066−3.9% | Reduced |
| Sherbrooke Park Advisers LLC | 24,998 | $162.5K | 0.07% | +24,998 | New |
| Corton Capital Inc. | 24,411 | $158.7K | 0.18% | +7,964+48.4% | Added |
| XTX Topco Ltd | 24,268 | $157.7K | 0.01% | +24,268 | New |
| Cetera Investment Advisers | 23,700 | $154.1K | 0.00% | −3,300−12.2% | Reduced |
| Janus Henderson Group PLC | 21,300 | $138.8K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 20,950 | $136.2K | 0.00% | −3,653−14.8% | Reduced |
| China Universal Asset Management Co., Ltd. | 20,358 | $132.3K | 0.01% | +28+0.1% | Added |
| Integrated Wealth Concepts LLC | 20,170 | $131.1K | 0.00% | +3,032+17.7% | Added |
| Voya Investment Management LLC | 19,615 | $127.5K | 0.00% | +5,140+35.5% | Added |
| Prelude Capital Management, LLC | 19,539 | $127.0K | 0.01% | +19,539 | New |
| Arizona State Retirement System | 19,211 | $124.9K | 0.00% | +3,309+20.8% | Added |
| ProShare Advisors LLC | 18,545 | $120.5K | 0.00% | +2,121+12.9% | Added |
| Creative Planning | 18,507 | $120.3K | 0.00% | +18,507 | New |
| CWM, LLC | 18,168 | $118.0K | 0.00% | −3,600−16.5% | Reduced |
| State Board of Administration of Florida Retirement System | 17,880 | $116.2K | 0.00% | 00.0% | Unchanged |
| Optimize Financial Inc | 17,832 | $115.9K | 0.07% | −128−0.7% | Reduced |
| Teacher Retirement System of Texas | 17,721 | $115.2K | 0.00% | +2,750+18.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 17,701 | $115.1K | 0.00% | +5,152+41.1% | Added |
| Quest Partners LLC | 15,872 | $103.2K | 0.01% | −46,080−74.4% | Reduced |
| Cerity Partners LLC | 14,417 | $93.7K | 0.00% | −582−3.9% | Reduced |
| Lazard Asset Management LLC | 13,765 | $89.0K | 0.00% | +13,765 | New |
| New York State Common Retirement Fund | 12,132 | $78.9K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 11,800 | $76.7K | 0.00% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 11,700 | $76.0K | 0.00% | −400−3.3% | Reduced |
| Quantinno Capital Management LP | 11,281 | $73.3K | 0.00% | +11,281 | New |
| E Fund Management Co., Ltd. | 10,988 | $71.4K | 0.00% | −148−1.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 10,262 | $69.8K | 0.00% | −892−8.0% | Reduced |
| Prudential Financial Inc | 10,682 | $69.4K | 0.00% | +10,682 | New |
| Entropy Technologies, LP | 10,330 | $67.1K | 0.01% | +10,330 | New |
| Steel Peak Wealth Management LLC | 10,000 | $65.0K | 0.00% | −5,750−36.5% | Reduced |
| BIT Capital GmbH | 8,413 | $54.7K | 0.00% | −108,152−92.8% | Reduced |
| Quantbot Technologies LP | 7,542 | $49.0K | 0.00% | −2,753−26.7% | Reduced |
| Ameritas Investment Partners, Inc. | 7,349 | $47.8K | 0.00% | +2,264+44.5% | Added |
| Tower Research Capital LLC (TRC) | 5,244 | $34.1K | 0.00% | +3,326+173.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,916 | $25.5K | 0.00% | +525+15.5% | Added |
| TSFG, LLC | 3,400 | $22.0K | 0.00% | 00.0% | Unchanged |
| Quintet Private Bank (Europe) S.A. | 3,313 | $21.5K | 0.00% | 00.0% | Unchanged |
| Antipodes Partners Ltd | 3,006 | $19.5K | 0.00% | +963+47.1% | Added |
| GF Fund Management Co. Ltd. | 2,582 | $16.8K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 2,024 | $13.2K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,855 | $12.1K | 0.00% | +1,708+1,161.9% | Added |
| Amalgamated Bank | 1,782 | $12.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 1,346 | $8.75K | 0.00% | −3,098−69.7% | Reduced |
| Raymond James Financial Inc | 1,231 | $8.00K | 0.00% | +1,231 | New |
| Nisa Investment Advisors, LLC | 1,046 | $6.80K | 0.00% | +46+4.6% | Added |
| Caitong International Asset Management Co., Ltd | 918 | $5.97K | 0.00% | +875+2,034.9% | Added |
| Comerica Bank | 784 | $5.10K | 0.00% | −166−17.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 750 | $5.00K | 0.00% | +750 | New |
| Versant Capital Management, Inc | 604 | $3.93K | 0.00% | +604 | New |
| The PNC Financial Services Group, Inc. | 420 | $2.73K | 0.00% | +420 | New |
| Washington Trust Advisors, Inc. | 342 | $2.22K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 296 | $2.00K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 300 | $1.95K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 296 | $1.92K | 0.00% | −49−14.2% | Reduced |
| Signaturefd, LLC | 175 | $1.14K | 0.00% | −71−28.9% | Reduced |
| Parallel Advisors, LLC | 142 | $923 | 0.00% | +138+3,450.0% | Added |
| Allworth Financial LP | 130 | $845 | 0.00% | +107+465.2% | Added |
| Rothschild Investment LLC | 120 | $780 | 0.00% | +25+26.3% | Added |
| Private Wealth Management Group, LLC | 88 | $572 | 0.00% | +88 | New |
| SBI Securities Co., Ltd. | 79 | $514 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 58 | $377 | 0.00% | +34+141.7% | Added |
| True Wealth Design, LLC | 54 | $351 | 0.00% | −26−32.5% | Reduced |
| Massmutual Trust Co FSB | 51 | $332 | 0.00% | +51 | New |
| Global Trust Asset Management, LLC | 50 | $325 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 47 | $306 | 0.00% | −236−83.4% | Reduced |
| Farther Finance Advisors, LLC | 47 | $306 | 0.00% | +46+4,600.0% | Added |
| US Bancorp | 24 | $156 | 0.00% | +4+20.0% | Added |
| GeoWealth Management, LLC | 23 | $150 | 0.00% | +23 | New |
| Smartleaf Asset Management LLC | 5 | $32 | 0.00% | −19−79.2% | Reduced |
| Clearstead Advisors, LLC | 3 | $20 | 0.00% | +3 | New |
| Jones Financial Companies LLLP | 2 | $13 | 0.00% | −361−99.4% | Reduced |
| Covestor Ltd | 12 | $0 | 0.00% | −17−58.6% | Reduced |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −5,755,577−100.0% | Sold out |
| Estuary Capital Management LP | 0 | $0 | 0.00% | −3,326,849−100.0% | Sold out |
| Boxer Capital Management, LLC | 0 | $0 | 0.00% | −1,189,943−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −887,177−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −133,641−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −69,895−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −41,326−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −34,409−100.0% | Sold out |
| Handelsbanken Fonder AB | 0 | $0 | 0.00% | −31,500−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −31,487−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −30,910−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −26,825−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −26,345−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −19,030−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −18,534−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −17,291−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −14,885−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −14,693−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −14,255−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −12,998−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −12,800−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −12,150−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −11,836−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −11,303−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −11,005−100.0% | Sold out |