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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, Q1 2024

Institutional positions in Day One Biopharmaceuticals, Inc. as of Mar 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
148
+9 vs. Q4 2023
Shares held
72.8M
−3.77M (−4.9%) vs. Q4 2023
Total value
$1.20B
+$84.5M (+7.6%) vs. Q4 2023
New holders
26
48 more added
Sold out
17
44 more reduced

Compare with Q4 2023: 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 holdersQ1 2024: 148 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 heldQ1 2024: $1.20B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q4 2023.

Institutions holding DAWN in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Panagora Asset Management Inc18,560$306.6K0.00%+18,560New
AQR Capital Management LLC18,317$302.6K0.00%+8,159+80.3%Added
Principal Financial Group Inc17,977$297.0K0.00%+108+0.6%Added
ProShare Advisors LLC17,379$287.1K0.00%+1,447+9.1%Added
Handelsbanken Fonder AB17,400$287.0K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.16,817$277.8K0.04%+6,750+67.1%Added
Commonwealth Equity Services, LLC13,935$230.0K0.00%+1,275+10.1%Added
Bayesian Capital Management, LP13,374$220.9K0.02%+13,374New
Arizona State Retirement System13,157$217.4K0.00%−216−1.6%Reduced
Regency Capital Management Inc.11,000$181.7K0.12%−1,000−8.3%Reduced
TD Asset Management Inc10,796$178.3K0.00%−44,400−80.4%Reduced
Teacher Retirement System of Texas10,653$176.0K0.00%−207−1.9%Reduced
Quest Partners LLC9,216$152.2K0.03%+7,236+365.5%Added
State Board of Administration of Florida Retirement System10,650$142.4K0.00%−7,230−40.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)6,978$115.3K0.00%00.0%Unchanged
Quarry LP6,400$105.7K0.04%+1,400+28.0%Added
Ameritas Investment Partners, Inc.6,279$103.7K0.00%00.0%Unchanged
Virtus ETF Advisers LLC6,078$100.4K0.05%−414−6.4%Reduced
Group One Trading, L.P.5,005$82.7K0.00%+5,005New
Royal Bank of Canada3,706$61.0K0.00%−17,514−82.5%Reduced
Metropolitan Life Insurance Co3,691$61.0K0.00%00.0%Unchanged
Quintet Private Bank (Europe) S.A.2,919$54.4K0.00%−394−11.9%Reduced
TSFG, LLC3,000$50.0K0.01%+3,000New
Amundi2,976$46.9K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec2,824$46.7K0.00%00.0%Unchanged
Simplex Trading, LLC2,758$45.0K0.00%+2,758New
Catalyst Funds Management Pty Ltd2,400$39.6K0.01%+2,400New
Amalgamated Bank2,138$35.0K0.00%−6,452−75.1%Reduced
Tower Research Capital LLC (TRC)1,700$28.1K0.00%−205−10.8%Reduced
Continuum Advisory, LLC1,340$21.9K0.00%+1,340New
Pacer Advisors, Inc.902$14.9K0.00%+902New
EntryPoint Capital, LLC582$9.62K0.01%+582New
Daiwa Securities Group Inc.296$5.00K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.246$4.06K0.00%00.0%Unchanged
Comerica Bank206$3.40K0.00%00.0%Unchanged
Red Tortoise LLC196$3.24K0.00%00.0%Unchanged
CarsonAllaria Wealth Management, Ltd.180$2.97K0.00%−250−58.1%Reduced
GAMMA Investing LLC159$2.63K0.00%+122+329.7%Added
Nisa Investment Advisors, LLC94$1.55K0.00%+69+276.0%Added
Bellevue Asset Management, LLC93$1.54K0.00%00.0%Unchanged
Spire Wealth Management40$6610.00%00.0%Unchanged
ICA Group Wealth Management, LLC35$5780.00%+35New
IFP Advisors, Inc24$3960.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co14$2310.00%+14New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC12$1980.00%+12New
Rothschild Investment LLC10$1650.00%+10New
Farther Finance Advisors, LLC1$160.00%−2−66.7%Reduced
Covestor Ltd7$00.00%−1−12.5%Reduced
Baker Bros. Advisors LP0$00.00%−1,000,000−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−390,167−100.0%Sold out
Pier Capital, LLC0$00.00%−258,685−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−88,000−100.0%Sold out
HRT Financial LP0$00.00%−73,887−100.0%Sold out
SG Americas Securities, LLC0$00.00%−64,692−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−42,500−100.0%Sold out
Jupiter Asset Management Ltd0$00.00%−36,671−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−30,378−100.0%Sold out
Cetera Advisor Networks LLC0$00.00%−24,946−100.0%Sold out
Squarepoint Ops LLC0$00.00%−15,927−100.0%Sold out
Vontobel Holding Ltd.0$00.00%−15,500−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−14,395−100.0%Sold out
E Fund Management Co., Ltd.0$00.00%−12,618−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−10,651−100.0%Sold out
Sandia Investment Management LP0$00.00%−5,980−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−61−100.0%Sold out