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, Q3 2023
Institutional positions in Day One Biopharmaceuticals, Inc. as of Sep 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
- 130
- −9 vs. Q2 2023
- Shares held
- 77.5M
- −1.25M (−1.6%) vs. Q2 2023
- Total value
- $951.5M
- +$10.6M (+1.1%) vs. Q2 2023
- New holders
- 13
- 56 more added
- Sold out
- 22
- 35 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sandia Investment Management LP | 10,000 | $122.7K | 0.03% | 00.0% | Unchanged |
| Royal Bank of Canada | 9,721 | $119.0K | 0.00% | +4,840+99.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,255 | $113.6K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 8,628 | $106.0K | 0.00% | +2,268+35.7% | Added |
| Exchange Traded Concepts, LLC | 7,518 | $92.2K | 0.00% | −2,895−27.8% | Reduced |
| Virtus ETF Advisers LLC | 7,339 | $90.0K | 0.05% | −734−9.1% | Reduced |
| Citadel Advisors LLC | 6,754 | $82.9K | 0.00% | −765,402−99.1% | Reduced |
| Quarry LP | 6,519 | $80.0K | 0.05% | +6,519 | New |
| Ameritas Investment Partners, Inc. | 6,279 | $77.0K | 0.00% | +2,213+54.4% | Added |
| Metropolitan Life Insurance Co | 3,691 | $45.3K | 0.00% | +955+34.9% | Added |
| Group One Trading, L.P. | 2,958 | $36.3K | 0.00% | +2,958 | New |
| Quintet Private Bank (Europe) S.A. | 2,313 | $28.4K | 0.00% | +11+0.5% | Added |
| China Universal Asset Management Co., Ltd. | 2,226 | $27.3K | 0.01% | +1,262+130.9% | Added |
| Federation des caisses Desjardins du Quebec | 1,765 | $21.7K | 0.00% | +270+18.1% | Added |
| Tower Research Capital LLC (TRC) | 1,693 | $20.8K | 0.00% | −1,478−46.6% | Reduced |
| Nisa Investment Advisors, LLC | 787 | $9.66K | 0.00% | +741+1,610.9% | Added |
| CarsonAllaria Wealth Management, Ltd. | 430 | $5.28K | 0.00% | +330+330.0% | Added |
| Daiwa Securities Group Inc. | 296 | $4.00K | 0.00% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 246 | $3.02K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 206 | $2.53K | 0.00% | +206 | New |
| Red Tortoise LLC | 196 | $2.40K | 0.00% | 00.0% | Unchanged |
| Bellevue Asset Management, LLC | 93 | $1.14K | 0.00% | 00.0% | Unchanged |
| Crewe Advisors LLC | 30 | $369 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 24 | $294 | 0.00% | +10+71.4% | Added |
| IFP Advisors, Inc | 24 | $294 | 0.00% | +24 | New |
| Northwestern Mutual Wealth Management Co | 15 | $184 | 0.00% | +15 | New |
| The PNC Financial Services Group, Inc. | 4 | $49 | 0.00% | +4 | New |
| CWM, LLC | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 9 | $0 | 0.00% | −1−10.0% | Reduced |
| Avion Wealth | 37 | $0 | 0.00% | +37 | New |
| Logos Global Management LP | 0 | $0 | 0.00% | −650,000−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −199,900−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −139,164−100.0% | Sold out |
| CVI Holdings, LLC | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −70,031−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −54,000−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −37,895−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −36,611−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −28,163−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −23,355−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −17,049−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −15,209−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −16,400−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −15,834−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −14,404−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −12,380−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −10,134−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −5,945−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −3,530−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| PFS Investments Inc. | – | – | – | – | Not filed |