Day One Biopharmaceuticals IDAWN
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 164 institutions reported holding Day One Biopharmaceuticals I (DAWN) in their 13F filings, down 2 from Q3 2024. 24 opened new positions and 32 sold out. The largest holders were FMR LLC ($163.3M), Atlas Venture Life Science Advisors, LLC ($81.5M) and BlackRock, Inc. ($78.0M). 6 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Day One Biopharmaceuticals I
- CUSIP
- 23954D109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 24 | $60.5M |
| Exits | 32 | $96.3M |
All 13F filers, Q3 2024 → Q4 2024: 15,459,999 shares bought and 13,890,136 shares sold, net +1,569,863 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 164 holders
| FMR LLC | 0.01% | Add +73.9% | 12,887,467 | $163.3M |
| Atlas Venture Life Science Advisors, LLC | 9.94% | No change | 6,430,257 | $81.5M |
| BlackRock, Inc. | 0.00% | Add +30.7% | 6,155,837 | $78.0M |
| Vanguard Group Inc. | 0.00% | Reduce -0.7% | 5,848,923 | $74.1M |
| Ra Capital Management, L.P. | 0.97% | Reduce -26.9% | 5,755,577 | $72.9M |
| Braidwell LP | 2.76% | No change | 4,873,853 | $61.8M |
| Franklin Resources Inc. | 0.01% | Add +0.3% | 3,882,952 | $49.2M |
| Estuary Capital Management LP | 13.76% | Add +35.5% | 3,716,777 | $47.1M |
| Pictet Asset Management Holding SA | 0.05% | Add +17.0% | 3,490,064 | $44.2M |
| Fairmount Funds Management LLC | 3.91% | No change | 3,103,448 | $39.3M |
| State Street Corp. | 0.00% | Add +9.8% | 3,101,677 | $39.3M |
| Deerfield Management Company, L.P. | 0.71% | Reduce -0.8% | 2,596,033 | $32.9M |
| Alyeska Investment Group, L.P. | 0.12% | New | 2,512,187 | $31.8M |
| TimesSquare Capital Management, LLC | 0.32% | Reduce -6.4% | 1,710,926 | $21.7M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -33.0% | 1,706,112 | $21.6M |
| Geode Capital Management, LLC | 0.00% | Add +2.1% | 1,462,982 | $18.5M |
| Vestal Point Capital, LP | 1.08% | Reduce -42.4% | 1,440,000 | $18.2M |
| Janus Henderson Group PLC | 0.01% | Reduce -40.0% | 1,306,220 | $16.6M |
| Boxer Capital Management, LLC | 1.28% | — | 1,189,943 | $15.1M |
| Marshall Wace, LLP | 0.02% | New | 1,097,762 | $13.9M |
| Morgan Stanley | 0.00% | Add +39.5% | 1,080,268 | $13.7M |
| Parkman Healthcare Partners LLC | 1.69% | Add +8.3% | 1,000,474 | $12.7M |
| First Turn Management, LLC | 2.15% | No change | 947,878 | $12.0M |
| Dimensional Fund Advisors LP | 0.00% | Add +10.9% | 927,017 | $11.7M |
| Hudson Bay Capital Management LP | 0.08% | Add +27.8% | 920,108 | $11.7M |
| EcoR1 Capital, LLC | 0.44% | No change | 862,068 | $10.9M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Reduce -11.1% | 800,000 | $10.1M |
| Woodline Partners LP | 0.07% | Add +0.2% | 798,925 | $10.1M |
| DAFNA Capital Management LLC | 2.38% | Reduce -2.5% | 731,363 | $9.3M |
| Wellington Management Group LLP | 0.00% | Add +1.4% | 731,303 | $9.3M |
| Frazier Life Sciences Management, L.P. | 0.36% | No change | 689,655 | $8.7M |
| Citadel Advisors | 0.01% | Add +26.2% | 611,313 | $7.7M |
| Northern Trust Corp. | 0.00% | Add +10.5% | 547,050 | $6.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +5.5% | 535,501 | $6.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -73.4% | 472,239 | $6.0M |
| Deutsche Bank AG | 0.00% | Add +11.0% | 358,920 | $4.5M |
| Sphera Funds Management LTD. | 0.78% | Reduce -3.6% | 334,987 | $4.2M |
| Parkwood LLC | 0.43% | New | 275,000 | $3.5M |
| Two Sigma Investments, LP | 0.01% | Reduce -33.3% | 271,776 | $3.4M |
| Bank of New York Mellon Corp | 0.00% | Add +43.4% | 244,829 | $3.1M |
| Renaissance Technologies | 0.00% | Add +157.0% | 243,740 | $3.1M |
| Stonepine Capital Management, LLC | 2.40% | Add +14.3% | 235,000 | $3.0M |
| ExodusPoint Capital Management, LP | 0.03% | New | 215,137 | $2.7M |
| Essex Investment Management Co. LLC | 0.47% | Add +12.7% | 207,574 | $2.6M |
| Kennedy Capital Management LLC | 0.05% | Add +2.4% | 193,912 | $2.5M |
| Millennium Management | 0.00% | Add +80.4% | 192,100 | $2.4M |
| Polar Capital Holdings Plc | 0.01% | No change | 185,000 | $2.3M |
| Qube Research & Technologies Ltd | 0.00% | Add +104.8% | 184,656 | $2.3M |
| BIT Capital GmbH | 0.19% | Add +41.8% | 171,714 | $2.2M |
| Norges Bank | 0.00% | No change | 169,000 | $2.1M |
| Rafferty Asset Management, LLC | 0.01% | Add +16.8% | 159,408 | $2.0M |
| Citigroup Inc. | 0.00% | Add +225.0% | 156,234 | $2.0M |
| Samsara Biocapital, LLC | 0.26% | No change | 147,319 | $1.9M |
| D. E. Shaw & Co. | 0.00% | Add +2.3% | 146,385 | $1.9M |
| Barclays PLC | 0.00% | Add +4.5% | 141,452 | $1.8M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -13.7% | 141,298 | $1.8M |
| Royal Bank of Canada | 0.00% | Add +260.9% | 132,274 | $1.7M |
| Hennion & Walsh Asset Management, Inc. | 0.07% | Add +90.6% | 121,167 | $1.5M |
| Swiss National Bank | 0.00% | Add +2.6% | 117,800 | $1.5M |
| Macquarie Group Ltd. | 0.00% | No change | 110,000 | $1.4M |
| Two Sigma Advisers, LP | 0.00% | Reduce -7.4% | 106,600 | $1.4M |
| Jackson Creek Investment Advisors LLC | 0.40% | New | 103,592 | $1.3M |
| CenterBook Partners LP | 0.08% | New | 100,735 | $1.3M |
| Gsa Capital Partners LLP | 0.09% | Add +65.4% | 98,030 | $1.2M |
| Fisher Asset Management | 0.00% | Add +21.6% | 89,132 | $1.1M |
| AQR Capital Management | 0.00% | Reduce -32.3% | 88,198 | $1.1M |
| Trexquant Investment LP | 0.01% | New | 87,972 | $1.1M |
| Tema ETFs LLC | 0.45% | — | 85,761 | $1.1M |
| NEOS Investment Management LLC | 0.03% | Add +8.7% | 85,761 | $1.1M |
| Alps Advisors Inc. | 0.01% | Add +17.7% | 81,549 | $1.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +15.9% | 75,579 | $958K |
| Rhumbline Advisers | 0.00% | Reduce -2.3% | 75,553 | $957K |
| Martingale Asset Management L P | 0.02% | Add +0.1% | 71,397 | $905K |
| SG Americas Securities, LLC | 0.00% | New | 68,374 | $866K |
| Alliancebernstein L.P. | 0.00% | No change | 68,000 | $862K |
| Susquehanna International Group, LLP | 0.00% | Reduce -0.6% | 64,254 | $814K |
| UBS Group AG | 0.00% | Reduce -44.0% | 64,227 | $814K |
| Legato Capital Management LLC | 0.10% | Reduce -1.8% | 62,027 | $786K |
| JPMorgan Chase & Co. | 0.00% | Reduce -0.9% | 60,427 | $766K |
| State of Wisconsin Investment Board | 0.00% | Add +47.2% | 58,426 | $740K |
| Legal & General Group Plc | 0.00% | Add +2.4% | 57,623 | $730K |
| California State Teachers Retirement System | 0.00% | Add +0.7% | 55,470 | $703K |
| ADAR1 Capital Management, LLC | 0.14% | Reduce -0.2% | 53,023 | $672K |
| Erste Asset Management GmbH | 0.01% | No change | 51,200 | $659K |
| Wells Fargo & Company | 0.00% | Reduce -8.4% | 51,735 | $655K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.02% | New | 50,020 | $634K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -3.1% | 46,999 | $595K |
| Skandinaviska Enskilda Banken AB (publ) | 0.00% | New | 41,771 | $525K |
| HSBC Holdings PLC | 0.00% | New | 38,583 | $481K |
| BNP Paribas Financial Markets | 0.00% | New | 36,685 | $465K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +5.6% | 35,843 | $454K |
| Intech Investment Management LLC | 0.00% | Add +50.1% | 34,888 | $442K |
| MetLife Investment Management, LLC | 0.00% | Add +12.4% | 34,248 | $434K |
| Verition Fund Management LLC | 0.00% | Add +9.9% | 34,146 | $433K |
| Osaic Holdings, Inc. | 0.00% | Add +7522.3% | 32,852 | $416K |
| Invesco Ltd. | 0.00% | Add +2.5% | 32,788 | $415K |
| Cetera Investment Advisers | 0.00% | Add +44.7% | 31,571 | $400K |
| Handelsbanken Fonder AB | 0.00% | Add +16.7% | 31,500 | $399K |
| Profund Advisors LLC | 0.01% | Add +13.1% | 30,424 | $385K |
| Squarepoint Ops LLC | 0.00% | New | 30,029 | $380K |
"% of holder's portfolio" is DAWN's weight in each manager's 13F, not the share of Day One Biopharmaceuticals I the manager owns.