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.
Q1 2022 vs. Q4 2021
How the institutions holding Day One Biopharmaceuticals, Inc. changed between Q4 2021 and Q1 2022.
All holders in Q1 2022All holders in Q4 2021
| Measure | Q4 2021 | Q1 2022 | Change |
|---|---|---|---|
| Holders | 58 | 66 | +8 |
| Shares | 41.5M | 43.3M | +1.83M (+4.4%) |
| Value | $698.3M | $429.6M | −$268.7M (−38.5%) |
New holders (18)
Institutions that held Day One Biopharmaceuticals, Inc. at the end of Q1 2022 but not at the end of Q4 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Millennium Management LLC | 174,723 | $1.73M | 0.00% |
| Citadel Advisors LLC | 111,736 | $1.11M | 0.00% |
| Laurion Capital Management LP | 91,239 | $905.0K | 0.02% |
| Two Sigma Investments, LP | 60,190 | $597.0K | 0.00% |
| Manufacturers Life Insurance Company, The | 43,177 | $425.3K | 0.00% |
| Walleye Capital LLC | 26,148 | $259.0K | 0.01% |
| Two Sigma Advisers, LP | 19,900 | $197.0K | 0.00% |
| Rhumbline Advisers | 19,408 | $193.0K | 0.00% |
| Susquehanna International Group, LLP | 18,604 | $185.0K | 0.00% |
| Marshall Wace, LLP | 17,743 | $176.0K | 0.00% |
| MetLife Investment Management | 15,573 | $154.5K | 0.00% |
| Parametric Portfolio Associates LLC | 15,016 | $149.0K | 0.00% |
| Barclays PLC | 5,487 | $55.0K | 0.00% |
| Amalgamated Bank | 3,034 | $30.0K | 0.00% |
| Amalgamated Financial Corp. | 3,034 | $30.0K | 0.00% |
| Metropolitan Life Insurance Co | 1,825 | $18.1K | 0.00% |
| The PNC Financial Services Group, Inc. | 175 | $2.00K | 0.00% |
| Private Capital Group, LLC | 142 | $1.00K | 0.00% |
Sold out (10)
Institutions that held Day One Biopharmaceuticals, Inc. at the end of Q4 2021 and filed for Q1 2022 without it.
| Institution | Shares, Q4 2021 | Value, Q4 2021 |
|---|---|---|
| Rock Springs Capital Management LP | 381,939 | $6.44M |
| Pathway Capital Management, LP | 242,245 | $4.08M |
| Logos Global Management LP | 37,069 | $624.0K |
| Prudential Financial Inc | 13,935 | $235.0K |
| D. E. Shaw & Co., Inc. | 13,404 | $226.0K |
| HarbourVest Partners LLC | 13,388 | $226.0K |
| UBS Group AG | 6,103 | $103.0K |
| STRS Ohio | 2,500 | $42.0K |
| High Net Worth Advisory Group LLC | 200 | $3.00K |
| Kayne Anderson Rudnick Investment Management LLC | 5 | $0 |