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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, Q4 2024

Institutional positions in Day One Biopharmaceuticals, Inc. as of Dec 31, 2024. 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
164
−1 vs. Q3 2024
Shares held
93.7M
+1.70M (+1.8%) vs. Q3 2024
Total value
$1.19B
−$95.8M (−7.5%) vs. Q3 2024
New holders
32
62 more added
Sold out
33
39 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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.

Institutional holdersQ4 2024: 164 institutions
Q1 2021: 0 institutionsQ2 2021: 33 institutionsQ3 2021: 45 institutionsQ4 2021: 58 institutionsQ1 2022: 66 institutionsQ2 2022: 87 institutionsQ3 2022: 93 institutionsQ4 2022: 109 institutionsQ1 2023: 126 institutionsQ2 2023: 140 institutionsQ3 2023: 130 institutionsQ4 2023: 139 institutionsQ1 2024: 148 institutionsQ2 2024: 157 institutionsQ3 2024: 166 institutionsQ4 2024: 164 institutionsQ1 2025: 184 institutionsQ2 2025: 174 institutionsQ3 2025: 173 institutionsQ4 2025: 184 institutionsQ1 2026: 208 institutionsQ2 2026: 1 institution
Value heldQ4 2024: $1.19B
Q1 2021: $0Q2 2021: $401.1MQ3 2021: $452.9MQ4 2021: $698.3MQ1 2022: $429.6MQ2 2022: $1.06BQ3 2022: $1.21BQ4 2022: $1.29BQ1 2023: $818.1MQ2 2023: $941.0MQ3 2023: $951.5MQ4 2023: $1.12BQ1 2024: $1.20BQ2 2024: $1.03BQ3 2024: $1.28BQ4 2024: $1.19BQ1 2025: $747.1MQ2 2025: $561.1MQ3 2025: $603.5MQ4 2025: $758.4MQ1 2026: $1.85BQ2 2026: $3.55K
Institutions holding DAWN and their total value by quarter
QuarterHoldersValue
Q2 20261$3.55K
Q1 2026208$1.85B
Q4 2025184$758.4M
Q3 2025173$603.5M
Q2 2025174$561.1M
Q1 2025184$747.1M
Q4 2024164$1.19B
Q3 2024166$1.28B
Q2 2024157$1.03B
Q1 2024148$1.20B
Q4 2023139$1.12B
Q3 2023130$951.5M
Q2 2023140$941.0M
Q1 2023126$818.1M
Q4 2022109$1.29B
Q3 202293$1.21B
Q2 202287$1.06B
Q1 202266$429.6M
Q4 202158$698.3M
Q3 202145$452.9M
Q2 202133$401.1M
Q1 20210$0

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q3 2024.

Institutions holding DAWN in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Balyasny Asset Management LLC29,455$373.2K0.00%+29,455New
Graham Capital Management, L.P.27,950$354.1K0.01%+8,862+46.4%Added
Virtus ETF Advisers LLC27,296$345.8K0.14%+1,805+7.1%Added
Corebridge Financial, Inc.25,805$326.9K0.00%−1,948−7.0%Reduced
China Universal Asset Management Co., Ltd.21,383$270.9K0.03%+2,180+11.4%Added
Bank of America Corp20,534$260.2K0.00%−171,660−89.3%Reduced
Nebula Research & Development LLC19,804$250.9K0.03%+9,697+95.9%Added
ProShare Advisors LLC19,394$245.7K0.00%+3,687+23.5%Added
Ameriprise Financial Inc18,928$239.8K0.00%−8,201−30.2%Reduced
Bridgefront Capital, LLC18,874$239.1K0.08%+18,874New
State Board of Administration of Florida Retirement System17,880$226.5K0.00%00.0%Unchanged
Teacher Retirement System of Texas17,825$226.0K0.00%+3,086+20.9%Added
Arizona State Retirement System17,373$220.1K0.00%+453+2.7%Added
Integrated Wealth Concepts LLC17,274$218.9K0.00%+17,274New
Pale Fire Capital SE16,006$202.8K0.05%+16,006New
Voya Investment Management LLC15,801$200.2K0.00%−1,648−9.4%Reduced
Steel Peak Wealth Management LLC15,800$200.2K0.01%−1,600−9.2%Reduced
Optimize Financial Inc15,487$196.2K0.15%+15,487New
Sherbrooke Park Advisers LLC14,865$188.3K0.06%+14,865New
Zurcher Kantonalbank (Zurich Cantonalbank)14,269$180.8K0.00%+7,291+104.5%Added
Man Group plc12,799$162.2K0.00%+12,799New
Police & Firemen's Retirement System of New Jersey12,549$159.0K0.00%+12,549New
Exchange Traded Concepts, LLC12,286$155.7K0.00%00.0%Unchanged
New York State Common Retirement Fund12,132$153.7K0.00%00.0%Unchanged
KLP Kapitalforvaltning AS11,800$149.5K0.00%+11,800New
Mariner, LLC11,669$147.8K0.00%−10,376−47.1%Reduced
E Fund Management Co., Ltd.11,276$142.9K0.01%+11,276New
Vontobel Holding Ltd.10,944$138.7K0.00%00.0%Unchanged
TD Asset Management Inc10,796$136.8K0.00%00.0%Unchanged
Diametric Capital, LP10,728$135.9K0.09%−6,995−39.5%Reduced
Tower Research Capital LLC (TRC)10,657$135.0K0.00%+9,603+911.1%Added
Ameritas Investment Partners, Inc.5,085$64.4K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.3,361$43.3K0.00%−250−6.9%Reduced
Quest Partners LLC3,396$43.0K0.01%−4,355−56.2%Reduced
TSFG, LLC3,400$43.0K0.01%00.0%Unchanged
Quintet Private Bank (Europe) S.A.3,313$42.0K0.00%00.0%Unchanged
R Squared Ltd2,450$31.0K0.03%+2,450New
GF Fund Management Co. Ltd.2,117$26.8K0.00%+2,117New
Federation des caisses Desjardins du Quebec2,024$25.6K0.00%−800−28.3%Reduced
Amalgamated Bank1,782$23.0K0.00%00.0%Unchanged
Continuum Advisory, LLC1,058$13.4K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,052$13.3K0.00%−42−3.8%Reduced
US Bancorp570$7.22K0.00%+570New
Comerica Bank345$4.37K0.00%00.0%Unchanged
Aster Capital Management (DIFC) Ltd342$4.33K0.00%−555−61.9%Reduced
Washington Trust Advisors, Inc.342$4.33K0.00%00.0%Unchanged
Daiwa Securities Group Inc.296$4.00K0.00%00.0%Unchanged
Sterling Capital Management LLC233$2.95K0.00%+168+258.5%Added
Red Tortoise LLC216$2.74K0.00%+20+10.2%Added
CWM, LLC129$2.00K0.00%−142−52.4%Reduced
Bellevue Asset Management, LLC129$1.63K0.00%00.0%Unchanged
SBI Securities Co., Ltd.79$1.00K0.00%+79New
Rothschild Investment LLC50$6340.00%−15−23.1%Reduced
Global Trust Asset Management, LLC50$6340.00%00.0%Unchanged
Spire Wealth Management40$5070.00%00.0%Unchanged
IFP Advisors, Inc27$3420.00%+3+12.5%Added
GAMMA Investing LLC19$2410.00%−49−72.1%Reduced
EverSource Wealth Advisors, LLC13$1650.00%+13New
Farther Finance Advisors, LLC7$890.00%00.0%Unchanged
Allworth Financial LP6$750.00%00.0%Unchanged
Clearstead Advisors, LLC5$640.00%+5New
Russell Investments Group, Ltd.5$630.00%−26−83.9%Reduced
Parallel Advisors, LLC4$510.00%+4New
Covestor Ltd7$00.00%00.0%Unchanged
Viking Global Investors LPSuperinvestorViking Global Investors0$00.00%−2,558,563−100.0%Sold out
Maverick Capital LtdSuperinvestorMaverick Capital0$00.00%−2,114,006−100.0%Sold out
Boxer Capital, LLC0$00.00%−1,189,943−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−526,732−100.0%Sold out
StemPoint Capital LP0$00.00%−506,978−100.0%Sold out
PFM Health Sciences, LP0$00.00%−342,172−100.0%Sold out
Candriam Luxembourg S.C.A.0$00.00%−290,014−100.0%Sold out
Algert Global LLC0$00.00%−71,487−100.0%Sold out
Jane Street Group, LLC0$00.00%−69,757−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−68,064−100.0%Sold out
Capula Management Ltd0$00.00%−57,545−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−55,122−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−47,380−100.0%Sold out
Jump Financial, LLC0$00.00%−38,010−100.0%Sold out
Walleye Capital LLC0$00.00%−34,266−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−29,254−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−18,874−100.0%Sold out
Corton Capital Inc.0$00.00%−15,637−100.0%Sold out
XTX Topco Ltd0$00.00%−12,778−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−12,474−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−11,979−100.0%Sold out
Oxford Asset Management LLP0$00.00%−11,157−100.0%Sold out
Axq Capital, LP0$00.00%−10,125−100.0%Sold out
Simplex Trading, LLC0$00.00%−7,240−100.0%Sold out
Amundi0$00.00%−2,976−100.0%Sold out
Caption Management, LLC0$00.00%−1,900−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−1,142−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−80−100.0%Sold out
Bessemer Group Inc0$00.00%−85−100.0%Sold out
C M Bidwell & Associates Ltd0$00.00%−28−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−8−100.0%Sold out
True Wealth Design, LLC0$00.00%−4−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−3−100.0%Sold out
AJOVista, LLC––––Not filed