Day One Biopharmaceuticals IDAWN

13F holders, Q4 2024 (December 31)
164holders −2
24new positions
32sold out
6famous investors
$12.67avg. 13F price*

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

050100150200250 Q1 2024: 148Q1 2024Q2 2024: 157Q2 2024Q3 2024: 166Q3 2024Q4 2024: 164Q4 2024Q1 2025: 184Q1 2025Q2 2025: 174Q2 2025Q3 2025: 172Q3 2025Q4 2025: 184Q4 2025Q1 2026: 208Q1 2026Q2 2026: 1Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions24$60.5M
Exits32$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.

Show all 164 holders