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 2022
Institutional positions in Day One Biopharmaceuticals, Inc. as of Mar 31, 2022. 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
- 66
- +8 vs. Q4 2021
- Shares held
- 43.3M
- +1.83M (+4.4%) vs. Q4 2021
- Total value
- $429.6M
- −$268.7M (−38.5%) vs. Q4 2021
- New holders
- 18
- 21 more added
- Sold out
- 10
- 12 more reduced
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Canaan Partners XI LLC | 9,663,645 | $95.9M | 39.92% | 00.0% | Unchanged |
| Atlas Venture Life Science Advisors, LLC | 8,201,638 | $81.4M | 10.29% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 6,060,090 | $60.1M | 1.31% | +1,094,502+22.0% | Added |
| Vanguard Group Inc | 2,986,426 | $29.6M | 0.00% | −48,351−1.6% | Reduced |
| FMR LLC | 2,594,519 | $25.7M | 0.00% | −235,834−8.3% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 2,086,449 | $20.7M | 0.46% | −116,084−5.3% | Reduced |
| Price T Rowe Associates Inc | 1,585,741 | $15.7M | 0.00% | +4,763+0.3% | Added |
| Franklin Resources Inc | 1,542,859 | $15.3M | 0.01% | +581,633+60.5% | Added |
| Boxer Capital, LLC | 1,189,943 | $11.8M | 0.61% | 00.0% | Unchanged |
| BlackRock Inc. | 1,162,916 | $11.5M | 0.00% | +410,797+54.6% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,157,424 | $11.5M | 0.05% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 902,020 | $8.95M | 0.00% | −120,528−11.8% | Reduced |
| BVF Inc | 809,282 | $8.03M | 0.32% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 556,047 | $5.52M | 0.11% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 403,458 | $4.00M | 0.05% | −7,749−1.9% | Reduced |
| Geode Capital Management, LLC | 322,695 | $3.20M | 0.00% | +113,352+54.1% | Added |
| State Street Corp | 216,216 | $2.15M | 0.00% | +26,725+14.1% | Added |
| Samsara BioCapital, LLC | 202,500 | $2.01M | 0.51% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 175,849 | $1.74M | 0.00% | +65,849+59.9% | Added |
| Millennium Management LLC | 174,723 | $1.73M | 0.00% | +174,723 | New |
| Northern Trust Corp | 170,299 | $1.69M | 0.00% | +66,622+64.3% | Added |
| Citadel Advisors LLC | 111,736 | $1.11M | 0.00% | +111,736 | New |
| Charles Schwab Investment Management Inc | 104,034 | $1.03M | 0.00% | +27,866+36.6% | Added |
| Alyeska Investment Group, L.P. | 103,200 | $1.02M | 0.01% | 00.0% | Unchanged |
| Laurion Capital Management LP | 91,239 | $905.0K | 0.02% | +91,239 | New |
| Alps Advisors Inc | 63,671 | $632.0K | 0.01% | −7,997−11.2% | Reduced |
| Two Sigma Investments, LP | 60,190 | $597.0K | 0.00% | +60,190 | New |
| Bank of New York Mellon Corp | 57,490 | $570.0K | 0.00% | +25,250+78.3% | Added |
| Manufacturers Life Insurance Company, The | 43,177 | $425.3K | 0.00% | +43,177 | New |
| Utah Retirement Systems | 40,552 | $402.0K | 0.01% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 39,774 | $391.0K | 0.00% | +24,813+165.9% | Added |
| TD Asset Management Inc | 37,449 | $371.0K | 0.00% | 00.0% | Unchanged |
| Summit Rock Advisors, LP | 33,125 | $329.0K | 0.20% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 31,212 | $310.0K | 0.00% | +6,666+27.2% | Added |
| Walleye Capital LLC | 26,148 | $259.0K | 0.01% | +26,148 | New |
| State of Tennessee, Treasury Department | 25,460 | $253.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 20,951 | $208.0K | 0.00% | −31,009−59.7% | Reduced |
| Two Sigma Advisers, LP | 19,900 | $197.0K | 0.00% | +19,900 | New |
| New York State Common Retirement Fund | 19,410 | $193.0K | 0.00% | +11,308+139.6% | Added |
| Rhumbline Advisers | 19,408 | $193.0K | 0.00% | +19,408 | New |
| Susquehanna International Group, LLP | 18,604 | $185.0K | 0.00% | +18,604 | New |
| Marshall Wace, LLP | 17,743 | $176.0K | 0.00% | +17,743 | New |
| Morgan Stanley | 16,453 | $162.0K | 0.00% | +2,489+17.8% | Added |
| MetLife Investment Management | 15,573 | $154.5K | 0.00% | +15,573 | New |
| Parametric Portfolio Associates LLC | 15,016 | $149.0K | 0.00% | +15,016 | New |
| Deutsche Bank AG | 13,263 | $132.0K | 0.00% | +6,561+97.9% | Added |
| Nan Fung Group Holdings Ltd | 11,445 | $114.0K | 0.05% | 00.0% | Unchanged |
| American International Group, Inc. | 11,294 | $112.0K | 0.00% | +5,434+92.7% | Added |
| ProShare Advisors LLC | 10,675 | $106.0K | 0.00% | −452−4.1% | Reduced |
| Wells Fargo & Company | 10,000 | $99.0K | 0.00% | −652−6.1% | Reduced |
| California State Teachers Retirement System | 9,687 | $96.0K | 0.00% | +3,581+58.6% | Added |
| Virtus ETF Advisers LLC | 8,886 | $88.0K | 0.04% | −527−5.6% | Reduced |
| Bank of America Corp | 5,850 | $58.0K | 0.00% | +165+2.9% | Added |
| Barclays PLC | 5,487 | $55.0K | 0.00% | +5,487 | New |
| Amalgamated Bank | 3,034 | $30.0K | 0.00% | +3,034 | New |
| Amalgamated Financial Corp. | 3,034 | $30.0K | 0.00% | +3,034 | New |
| Royal Bank of Canada | 2,542 | $25.0K | 0.00% | −763−23.1% | Reduced |
| Citigroup Inc | 2,203 | $22.0K | 0.00% | −2,479−52.9% | Reduced |
| Legal & General Group Plc | 2,183 | $22.0K | 0.00% | +1,156+112.6% | Added |
| Metropolitan Life Insurance Co | 1,825 | $18.1K | 0.00% | +1,825 | New |
| Tower Research Capital LLC (TRC) | 1,810 | $18.0K | 0.00% | +763+72.9% | Added |
| Ameritas Investment Partners, Inc. | 1,764 | $17.0K | 0.00% | +919+108.8% | Added |
| Capital Analysts, LLC | 750 | $7.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 181 | $2.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 175 | $2.00K | 0.00% | +175 | New |
| Private Capital Group, LLC | 142 | $1.00K | 0.00% | +142 | New |
| Rock Springs Capital Management LP | 0 | $0 | 0.00% | −381,939−100.0% | Sold out |
| Pathway Capital Management, LP | 0 | $0 | 0.00% | −242,245−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −37,069−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −13,935−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −13,404−100.0% | Sold out |
| HarbourVest Partners LLC | 0 | $0 | 0.00% | −13,388−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −6,103−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| High Net Worth Advisory Group LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Kayne Anderson Rudnick Investment Management LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |