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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 2022

Institutional positions in Day One Biopharmaceuticals, Inc. as of Dec 31, 2022. 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
109
+17 vs. Q3 2022
Shares held
60.2M
−571.8K (−0.9%) vs. Q3 2022
Total value
$1.29B
+$78.0M (+6.4%) vs. Q3 2022
New holders
24
39 more added
Sold out
7
25 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 109 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 2022: $1.29B
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 2022

Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q3 2022.

Institutions holding DAWN in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Nisa Investment Advisors, LLC30$1.00K0.00%+30New
Accurate Wealth Management, LLC34$7760.00%+34New
Crewe Advisors LLC30$6460.00%−50−62.5%Reduced
Horan Securities, Inc.17$3660.00%+17New
Ellevest, Inc.13$2800.00%−10−43.5%Reduced
Northwestern Mutual Wealth Management Co7$1510.00%+7New
Credit Suisse AG1$220.00%−156−99.4%Reduced
CWM, LLC3$00.00%00.0%Unchanged
Covestor Ltd6$00.00%00.0%Unchanged
Tang Capital Management LLC0$00.00%−400,000−100.0%Sold out
Prudential Financial Inc0$00.00%−38,315−100.0%Sold out
UBS Oconnor LLC0$00.00%−37,000−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−36,544−100.0%Sold out
Summit Rock Advisors, LP0$00.00%−25,751−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−13,508−100.0%Sold out
Umb Bank N A0$00.00%−3−100.0%Sold out
FourThought Financial, LLC––––Not filed