Day One Biopharmaceuticals IDAWN

13F holders, Q2 2024 (June 30)
157holders +9
31new positions
22sold out
10famous investors
$13.78avg. 13F price*

At the end of Q2 2024, 157 institutions reported holding Day One Biopharmaceuticals I (DAWN) in their 13F filings, up 9 from Q1 2024. 31 opened new positions and 22 sold out. The largest holders were Ra Capital Management, L.P. ($108.5M), Atlas Venture Life Science Advisors, LLC ($88.6M) and Vanguard Group Inc. ($63.7M). 10 famous investors held it, including Lee Ainslie (0.3% of Maverick Capital's portfolio), Andreas Halvorsen (0.1% of Viking Global Investors's portfolio) and Steve Cohen (0.0% of Point72 Asset 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 Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions31$45.6M
Exits22$50.2M

All 13F filers, Q1 2024 → Q2 2024: 9,468,261 shares bought and 7,353,642 shares sold, net +2,114,619 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 157 holders

Ra Capital Management, L.P. 1.44% Add +0.8% 7,871,721 $108.5M
Atlas Venture Life Science Advisors, LLC 9.33% No change 6,430,257 $88.6M
Vanguard Group Inc. 0.00% Reduce -3.2% 4,623,272 $63.7M
BlackRock Inc. 0.00% Reduce -9.9% 4,533,442 $62.5M
Franklin Resources Inc. 0.02% Reduce -0.6% 3,782,370 $52.1M
Braidwell LP 2.14% Add +39.7% 3,035,904 $41.8M
Deerfield Management Company, L.P. 0.78% Add +65.6% 2,923,137 $40.3M
Pictet Asset Management Holding SA 0.04% Add +20.1% 2,851,574 $39.3M
State Street Corp. 0.00% Reduce -2.4% 2,826,820 $39.0M
FMR LLC 0.00% Reduce -39.6% 2,661,444 $36.7M
Estuary Capital Management LP 11.71% Add +63.6% 2,635,270 $36.3M
Viking Global Investors 0.14% No change 2,558,563 $35.3M
T. Rowe Price Associates Inc. 0.00% Add +2.2% 2,350,880 $32.4M
Goldman Sachs Group Inc. 0.01% Reduce -11.0% 1,903,108 $26.2M
Janus Henderson Group PLC 0.01% Reduce -9.5% 1,839,269 $25.4M
TimesSquare Capital Management, LLC 0.37% Add +3.3% 1,688,535 $23.3M
Geode Capital Management, LLC 0.00% Reduce -5.9% 1,296,239 $17.9M
Vestal Point Capital, LP 1.28% New 1,250,000 $17.2M
Maverick Capital 0.32% Reduce -3.6% 1,211,138 $16.7M
Boxer Capital, LLC 0.86% No change 1,189,943 $16.4M
Polar Capital Holdings Plc 0.08% Reduce -21.1% 935,000 $12.9M
Parkman Healthcare Partners LLC 1.71% Add +31.4% 908,822 $12.5M
Dimensional Fund Advisors LP 0.00% Reduce -9.5% 888,117 $12.2M
Woodline Partners LP 0.09% Add +159.6% 707,531 $9.7M
Driehaus Capital Management LLC 0.09% Reduce -1.8% 706,446 $9.7M
DAFNA Capital Management LLC 2.22% No change 666,463 $9.2M
Hudson Bay Capital Management LP 0.07% Add +404.6% 555,108 $7.6M
Ally Bridge Group (NY) LLC 4.40% New 536,095 $7.4M
Northern Trust Corp. 0.00% Reduce -4.5% 533,039 $7.3M
Point72 Asset Management 0.02% New 470,247 $6.5M
Charles Schwab Investment Management Inc. 0.00% Reduce -3.3% 442,748 $6.1M
PFM Health Sciences, LP 0.31% Add +11.7% 396,644 $5.5M
Citadel Advisors 0.01% Add +682.0% 369,608 $5.1M
Sphera Funds Management LTD. 0.78% Reduce -29.4% 347,627 $4.8M
Two Sigma Investments, LP 0.01% Add +1365.8% 299,206 $4.1M
Wellington Management Group LLP 0.00% Add +9.5% 298,038 $4.1M
Candriam S.C.A. 0.02% No change 290,014 $4.0M
Schonfeld Strategic Advisors LLC 0.03% Add +3.0% 244,957 $3.4M
D. E. Shaw & Co. 0.00% Add +0.1% 224,340 $3.1M
Bank of New York Mellon Corp 0.00% Reduce -3.2% 208,396 $2.9M
Deutsche Bank AG 0.00% Add +13.3% 201,867 $2.8M
Monashee Investment Management LLC 0.36% New 200,000 $2.8M
Samsara Biocapital, LLC 0.57% No change 196,425 $2.7M
Nuveen Asset Management, LLC 0.00% Add +8.6% 190,906 $2.6M
Squarepoint Ops LLC 0.01% New 186,484 $2.6M
Jane Street Group, LLC 0.00% Add +216.7% 179,784 $2.5M
Bank of America Corp. 0.00% Add +39.3% 177,666 $2.4M
Kennedy Capital Management LLC 0.05% New 173,738 $2.4M
Laurion Capital Management LP 0.08% Add +4.2% 171,887 $2.4M
Norges Bank 0.00% No change 169,000 $2.3M
Millennium Management 0.00% Add +478.3% 167,765 $2.3M
Morgan Stanley 0.00% Reduce -28.1% 167,246 $2.3M
Marshall Wace, LLP 0.00% Add +20.1% 161,129 $2.2M
Rafferty Asset Management, LLC 0.01% Reduce -22.6% 149,655 $2.1M
AQR Capital Management 0.00% Add +517.0% 113,020 $1.6M
Macquarie Group Ltd. 0.00% Add +0.6% 110,603 $1.5M
BIT Capital GmbH 0.13% No change 106,182 $1.5M
HRT Financial LP 0.01% New 98,624 $1.4M
Swiss National Bank 0.00% No change 95,400 $1.3M
Susquehanna International Group, LLP 0.00% Add +22.9% 91,098 $1.3M
Rhumbline Advisers 0.00% Reduce -4.8% 85,438 $1.2M
Two Sigma Advisers, LP 0.00% New 84,300 $1.2M
Fisher Asset Management 0.00% Add +7.2% 73,301 $1.0M
Renaissance Technologies 0.00% New 72,140 $994K
UBS Group AG 0.00% Reduce -57.3% 70,083 $966K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +84.1% 69,730 $961K
Alps Advisors Inc. 0.01% Add +10.6% 68,170 $939K
Alliancebernstein L.P. 0.00% No change 68,000 $937K
Martingale Asset Management L P 0.02% Add +20.8% 65,085 $897K
NEOS Investment Management LLC 0.04% Add +46.0% 64,853 $894K
Hennion & Walsh Asset Management, Inc. 0.05% Add +8.6% 64,359 $887K
JPMorgan Chase & Co. 0.00% Reduce -15.1% 60,453 $833K
Wells Fargo & Company 0.00% Add +24.4% 56,936 $785K
Barclays PLC 0.00% Reduce -17.6% 55,594 $766K
Legal & General Group Plc 0.00% Add +3.3% 55,177 $760K
Tudor Investment Corporation 0.01% Add +19.0% 51,891 $715K
Erste Asset Management GmbH 0.01% No change 51,200 $708K
Manufacturers Life Insurance Company, The 0.00% Reduce -4.2% 48,274 $665K
California State Teachers Retirement System 0.00% Reduce -4.0% 47,381 $653K
Qube Research & Technologies Ltd 0.00% New 45,652 $629K
J. Goldman & Co LP 0.02% Reduce -26.7% 44,943 $619K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% — 38,174 $526K
Voya Investment Management LLC 0.00% Reduce -6.3% 35,789 $493K
ADAR1 Capital Management, LLC 0.10% New 35,100 $484K
Citigroup Inc. 0.00% Reduce -80.1% 34,005 $469K
Invesco Ltd. 0.00% Reduce -1.3% 31,224 $430K
MetLife Investment Management, LLC 0.00% Reduce -8.9% 30,467 $420K
EntryPoint Capital, LLC 0.18% Add +4849.0% 28,803 $397K
State of Wisconsin Investment Board 0.00% Reduce -5.3% 28,693 $395K
Corebridge Financial, Inc. 0.00% — 27,924 $385K
Profund Advisors LLC 0.01% Reduce -9.8% 27,607 $380K
Cetera Investment Advisers 0.00% Reduce -4.9% 25,829 $356K
Virtus Advisers, LLC 0.17% Add +319.4% 25,491 $351K
Verition Fund Management LLC 0.00% New 23,653 $326K
Tower Research Capital LLC (TRC) 0.01% Add +1291.1% 23,649 $326K
Handelsbanken Fonder AB 0.00% Add +32.8% 23,100 $318K
Prudential Financial Inc. 0.00% Reduce -86.7% 22,592 $311K
Algert Global LLC 0.01% Reduce -18.1% 20,497 $282K
New York State Common Retirement Fund 0.00% Reduce -69.8% 20,032 $276K
State Board of Administration of Florida Retirement System 0.00% Add +67.9% 17,880 $246K

"% 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 157 holders