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 2026
Institutional positions in Day One Biopharmaceuticals, Inc. as of Mar 31, 2026. 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
DAWN is no longer listed, so this page shows Q1 2026. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 208
- +28 vs. Q4 2025
- Shares held
- 86.9M
- +12.0M (+16.0%) vs. Q4 2025
- Total value
- $1.85B
- +$1.15B (+165.0%) vs. Q4 2025
- New holders
- 84
- 61 more added
- Sold out
- 56
- 47 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fisher Asset Management, LLC | 43,698 | $936.9K | 0.00% | −148,125−77.2% | Reduced |
| Blackstone Group Inc. | 41,567 | $891.2K | 0.00% | +41,567 | New |
| Two Sigma Investments, LP | 41,500 | $889.8K | 0.00% | +41,500 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 40,964 | $878.2K | 0.00% | −4,649−10.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 40,315 | $864.4K | 0.00% | +1,795+4.7% | Added |
| HRT Financial LP | 37,944 | $813.0K | 0.00% | −412,994−91.6% | Reduced |
| STRS Ohio | 37,900 | $812.6K | 0.00% | +9,800+34.9% | Added |
| Manufacturers Life Insurance Company, The | 36,186 | $775.8K | 0.00% | +11,943+49.3% | Added |
| ProShare Advisors LLC | 33,247 | $712.8K | 0.00% | +14,352+76.0% | Added |
| Toroso Investments, LLC | 32,074 | $687.7K | 0.00% | +32,074 | New |
| Point72 Asset Management, L.P. | 31,938 | $684.8K | 0.00% | −124,268−79.6% | Reduced |
| Creative Planning | 31,931 | $684.6K | 0.00% | +6,638+26.2% | Added |
| Ieq Capital, LLC | 31,854 | $683.0K | 0.00% | +31,854 | New |
| Twin Securities, Inc. | 31,626 | $678.1K | 0.34% | +31,626 | New |
| Barclays PLC | 30,163 | $646.7K | 0.00% | −262,162−89.7% | Reduced |
| Vanguard Global Advisers, LLC | 29,783 | $638.5K | 0.00% | +29,783 | New |
| Engineers Gate Manager LP | 29,093 | $623.8K | 0.01% | +29,093 | New |
| Canada Pension Plan Investment Board | 28,100 | $602.5K | 0.00% | −10,400−27.0% | Reduced |
| Profund Advisors LLC | 27,210 | $583.4K | 0.02% | −30,919−53.2% | Reduced |
| PenderFund Capital Management Ltd. | 26,800 | $574.6K | 0.09% | +26,800 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 26,500 | $568.2K | 0.00% | +26,500 | New |
| CWM, LLC | 25,043 | $536.9K | 0.00% | +16,670+199.1% | Added |
| Polymer Capital Management (US) LLC | 24,872 | $533.3K | 0.08% | +24,872 | New |
| New York State Common Retirement Fund | 24,732 | $530.3K | 0.00% | +12,600+103.9% | Added |
| State of New Jersey Common Pension Fund D | 24,563 | $526.6K | 0.00% | +24,563 | New |
| State of Wisconsin Investment Board | 24,299 | $521.0K | 0.00% | +873+3.7% | Added |
| CSS LLC | 24,000 | $514.6K | 0.03% | +24,000 | New |
| Inspire Advisors, LLC | 23,681 | $507.7K | 0.04% | +23,681 | New |
| FMR LLC | 23,640 | $506.8K | 0.00% | −5,693,368−99.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 22,203 | $476.0K | 0.00% | +1,792+8.8% | Added |
| D. E. Shaw & Co., Inc. | 21,626 | $463.7K | 0.00% | −293−1.3% | Reduced |
| Intech Investment Management LLC | 20,680 | $443.4K | 0.00% | −15,378−42.6% | Reduced |
| Arizona State Retirement System | 19,742 | $423.3K | 0.00% | −569−2.8% | Reduced |
| Integrated Wealth Concepts LLC | 19,088 | $409.2K | 0.00% | +19,088 | New |
| CWM Advisors, LLC | 18,911 | $405.4K | 0.02% | +18,911 | New |
| Vanguard Investments Australia, Ltd. | 18,569 | $398.1K | 0.00% | +18,569 | New |
| Jain Global LLC | 18,333 | $393.1K | 0.01% | +18,333 | New |
| China Universal Asset Management Co., Ltd. | 18,331 | $393.0K | 0.03% | +1,600+9.6% | Added |
| Cerity Partners LLC | 18,197 | $390.1K | 0.00% | +6,611+57.1% | Added |
| State Board of Administration of Florida Retirement System | 17,880 | $383.3K | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 17,556 | $376.4K | 0.00% | +1,568+9.8% | Added |
| Entropy Technologies, LP | 17,040 | $365.3K | 0.02% | −12,339−42.0% | Reduced |
| Mercer Global Advisors Inc | 16,411 | $351.8K | 0.00% | +16,411 | New |
| Wealth Enhancement Advisory Services, LLC | 15,812 | $339.2K | 0.00% | +15,812 | New |
| Arrowstreet Capital, Limited Partnership | 15,294 | $327.9K | 0.00% | −239,728−94.0% | Reduced |
| Voleon Capital Management LP | 15,032 | $322.3K | 0.01% | +15,032 | New |
| Scientech Research LLC | 14,342 | $307.5K | 0.26% | +14,342 | New |
| Quantbot Technologies LP | 14,101 | $302.3K | 0.01% | +14,101 | New |
| Citigroup Inc | 13,848 | $296.9K | 0.00% | −10,246−42.5% | Reduced |
| Carmignac Gestion | 13,691 | $293.5K | 0.00% | +13,691 | New |
| Voya Investment Management LLC | 13,242 | $283.9K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 13,034 | $279.4K | 0.00% | −2,977,767−99.6% | Reduced |
| Prudential Financial Inc | 12,260 | $262.9K | 0.00% | +12,260 | New |
| Axq Capital, LP | 12,147 | $260.4K | 0.03% | −20,258−62.5% | Reduced |
| Virtus ETF Advisers LLC | 11,200 | $240.1K | 0.11% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 11,134 | $238.7K | 0.00% | −131,945−92.2% | Reduced |
| Wolverine Asset Management LLC | 9,500 | $203.7K | 0.00% | +9,500 | New |
| Lazard Asset Management LLC | 9,364 | $200.8K | 0.00% | −13,701−59.4% | Reduced |
| Meteora Capital, LLC | 8,900 | $190.8K | 0.01% | +8,900 | New |
| Chicago Capital Management, LLC | 10,000 | $161.7K | 0.13% | +10,000 | New |
| Ameritas Investment Partners, Inc. | 6,422 | $137.7K | 0.00% | +409+6.8% | Added |
| Tower Research Capital LLC (TRC) | 5,930 | $127.1K | 0.00% | +4,296+262.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 5,388 | $115.5K | 0.00% | +399+8.0% | Added |
| TSFG, LLC | 3,400 | $73.0K | 0.01% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 2,503 | $53.7K | 0.01% | +2,200+726.1% | Added |
| Sterling Capital Management LLC | 2,493 | $53.5K | 0.00% | −1,950−43.9% | Reduced |
| GF Fund Management Co. Ltd. | 2,294 | $49.2K | 0.00% | +277+13.7% | Added |
| Federation des caisses Desjardins du Quebec | 2,024 | $43.4K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,911 | $41.0K | 0.00% | −2,197−53.5% | Reduced |
| Bullock Wealth Management Group | 1,443 | $30.9K | 0.02% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,088 | $23.3K | 0.00% | +324+42.4% | Added |
| Larson Financial Group LLC | 1,022 | $21.9K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,002 | $21.5K | 0.00% | +810+421.9% | Added |
| Fifth Third Bancorp | 774 | $16.6K | 0.00% | +774 | New |
| Hickory Point Bank & Trust | 750 | $16.1K | 0.01% | +750 | New |
| Versant Capital Management, Inc | 742 | $15.9K | 0.00% | +138+22.8% | Added |
| IFP Advisors, Inc | 640 | $13.7K | 0.00% | +111+21.0% | Added |
| EverSource Wealth Advisors, LLC | 637 | $13.7K | 0.00% | +265+71.2% | Added |
| GAMMA Investing LLC | 586 | $12.6K | 0.00% | +483+468.9% | Added |
| Essential Partners LLC | 431 | $9.24K | 0.00% | +143+49.7% | Added |
| US Bancorp | 414 | $8.88K | 0.00% | +150+56.8% | Added |
| Root Financial Partners, LLC | 335 | $7.18K | 0.00% | +329+5,483.3% | Added |
| Abound Financial, LLC | 327 | $7.01K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 323 | $6.92K | 0.00% | +311+2,591.7% | Added |
| Rothschild Investment LLC | 282 | $6.05K | 0.00% | +55+24.2% | Added |
| MAI Capital Management | 250 | $5.36K | 0.00% | +191+323.7% | Added |
| Nisa Investment Advisors, LLC | 234 | $5.02K | 0.00% | +177+310.5% | Added |
| Advisor Group Holdings, Inc. | 229 | $4.91K | 0.00% | −39,261−99.4% | Reduced |
| Farther Finance Advisors, LLC | 216 | $4.63K | 0.00% | +156+260.0% | Added |
| True Wealth Design, LLC | 128 | $2.75K | 0.00% | +102+392.3% | Added |
| Parkside Financial Bank & Trust | 75 | $1.61K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 66 | $1.42K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 60 | $1.29K | 0.00% | −21−25.9% | Reduced |
| Wealth Preservation Advisors, LLC | 53 | $1.14K | 0.00% | +53 | New |
| The PNC Financial Services Group, Inc. | 41 | $879 | 0.00% | +10+32.3% | Added |
| Spire Wealth Management | 40 | $858 | 0.00% | +40 | New |
| SJS Investment Consulting Inc. | 39 | $837 | 0.00% | +19+95.0% | Added |
| Signaturefd, LLC | 33 | $708 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 32 | $686 | 0.00% | −260−89.0% | Reduced |
| SHP Wealth Management | 25 | $536 | 0.00% | +25 | New |