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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
Covestor Ltd7$00.00%−1−12.5%Reduced
Farther Finance Advisors, LLC1$160.00%−2−66.7%Reduced
Rothschild Investment LLC10$1650.00%+10New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC12$1980.00%+12New
Northwestern Mutual Wealth Management Co14$2310.00%+14New
IFP Advisors, Inc24$3960.00%00.0%Unchanged
ICA Group Wealth Management, LLC35$5780.00%+35New
Spire Wealth Management40$6610.00%00.0%Unchanged
Bellevue Asset Management, LLC93$1.54K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC94$1.55K0.00%+69+276.0%Added
GAMMA Investing LLC159$2.63K0.00%+122+329.7%Added
CarsonAllaria Wealth Management, Ltd.180$2.97K0.00%−250−58.1%Reduced
Red Tortoise LLC196$3.24K0.00%00.0%Unchanged
Comerica Bank206$3.40K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.246$4.06K0.00%00.0%Unchanged
Daiwa Securities Group Inc.296$5.00K0.00%00.0%Unchanged
EntryPoint Capital, LLC582$9.62K0.01%+582New
Pacer Advisors, Inc.902$14.9K0.00%+902New
Continuum Advisory, LLC1,340$21.9K0.00%+1,340New
Tower Research Capital LLC (TRC)1,700$28.1K0.00%−205−10.8%Reduced
Amalgamated Bank2,138$35.0K0.00%−6,452−75.1%Reduced
Catalyst Funds Management Pty Ltd2,400$39.6K0.01%+2,400New
Simplex Trading, LLC2,758$45.0K0.00%+2,758New
Federation des caisses Desjardins du Quebec2,824$46.7K0.00%00.0%Unchanged
Amundi2,976$46.9K0.00%00.0%Unchanged
TSFG, LLC3,000$50.0K0.01%+3,000New
Quintet Private Bank (Europe) S.A.2,919$54.4K0.00%−394−11.9%Reduced
Metropolitan Life Insurance Co3,691$61.0K0.00%00.0%Unchanged
Royal Bank of Canada3,706$61.0K0.00%−17,514−82.5%Reduced
Group One Trading, L.P.5,005$82.7K0.00%+5,005New
Virtus ETF Advisers LLC6,078$100.4K0.05%−414−6.4%Reduced
Ameritas Investment Partners, Inc.6,279$103.7K0.00%00.0%Unchanged
Quarry LP6,400$105.7K0.04%+1,400+28.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)6,978$115.3K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System10,650$142.4K0.00%−7,230−40.4%Reduced
Quest Partners LLC9,216$152.2K0.03%+7,236+365.5%Added
Teacher Retirement System of Texas10,653$176.0K0.00%−207−1.9%Reduced
TD Asset Management Inc10,796$178.3K0.00%−44,400−80.4%Reduced
Regency Capital Management Inc.11,000$181.7K0.12%−1,000−8.3%Reduced
Arizona State Retirement System13,157$217.4K0.00%−216−1.6%Reduced
Bayesian Capital Management, LP13,374$220.9K0.02%+13,374New
Commonwealth Equity Services, LLC13,935$230.0K0.00%+1,275+10.1%Added
China Universal Asset Management Co., Ltd.16,817$277.8K0.04%+6,750+67.1%Added
Handelsbanken Fonder AB17,400$287.0K0.00%00.0%Unchanged
ProShare Advisors LLC17,379$287.1K0.00%+1,447+9.1%Added
Principal Financial Group Inc17,977$297.0K0.00%+108+0.6%Added
AQR Capital Management LLC18,317$302.6K0.00%+8,159+80.3%Added
Panagora Asset Management Inc18,560$306.6K0.00%+18,560New
Diametric Capital, LP18,796$310.5K0.17%+18,796New
Mirae Asset Global Investments Co., Ltd.21,863$311.1K0.00%−22,259−50.4%Reduced
Nebula Research & Development LLC19,419$320.8K0.07%+19,419New
Exchange Traded Concepts, LLC20,080$331.7K0.01%+10,008+99.4%Added
Two Sigma Investments, LP20,412$337.2K0.00%+20,412New
XTX Topco Ltd24,042$397.2K0.05%+24,042New
Algert Global LLC25,042$413.7K0.02%00.0%Unchanged
Cetera Investment Advisers27,165$448.8K0.00%+27,165New
Millennium Management LLC29,008$479.2K0.00%+29,008New
State of Wisconsin Investment Board30,284$500.3K0.00%−24,119−44.3%Reduced
Profund Advisors LLC30,612$505.7K0.02%−8,205−21.1%Reduced
American International Group, Inc.30,877$510.1K0.00%−265−0.9%Reduced
Invesco Ltd.31,643$522.7K0.00%+285+0.9%Added
Legato Capital Management LLC32,029$529.1K0.06%−9,889−23.6%Reduced
Jump Financial, LLC32,142$531.0K0.01%+32,142New
MetLife Investment Management33,443$552.5K0.00%00.0%Unchanged
UBS Asset Management Americas Inc37,879$625.8K0.00%+23,579+164.9%Added
Voya Investment Management LLC38,198$631.0K0.00%−4,673−10.9%Reduced
Tudor Investment Corp Et Al43,590$720.1K0.01%+10,223+30.6%Added
NEOS Investment Management LLC44,423$733.9K0.05%+28,916+186.5%Added
Wells Fargo & Company45,761$756.0K0.00%+7,536+19.7%Added
Credit Suisse AG47,149$778.9K0.00%00.0%Unchanged
Citadel Advisors LLC47,265$780.8K0.00%+39,998+550.4%Added
Erste Asset Management GmbH51,200$808.4K0.01%00.0%Unchanged
California State Teachers Retirement System49,340$815.1K0.00%−3,583−6.8%Reduced
Manufacturers Life Insurance Company, The50,368$832.1K0.00%+9,490+23.2%Added
Summit Rock Advisors, LP51,502$850.8K0.27%+51,502New
Balyasny Asset Management LLC53,152$878.1K0.00%+37,547+240.6%Added
Legal & General Group Plc53,424$882.6K0.00%−67−0.1%Reduced
Martingale Asset Management L P53,881$890.1K0.02%+20,137+59.7%Added
Jane Street Group, LLC56,774$937.9K0.00%+17,471+44.5%Added
Hennion & Walsh Asset Management, Inc.59,289$979.5K0.05%+1,445+2.5%Added
J. Goldman & Co LP61,327$1.01M0.05%+61,327New
Alps Advisors Inc61,631$1.02M0.01%+1,936+3.2%Added
New York State Common Retirement Fund66,228$1.09M0.00%−12,071−15.4%Reduced
Barclays PLC67,466$1.11M0.00%−118,373−63.7%Reduced
Alliancebernstein L.P.68,000$1.12M0.00%+16,500+32.0%Added
Fisher Asset Management, LLC68,411$1.13M0.00%−35−0.1%Reduced
JPMorgan Chase & Co71,209$1.18M0.00%−33,587−32.0%Reduced
Susquehanna International Group, LLP74,154$1.23M0.00%+26,776+56.5%Added
Takeda Pharmaceutical Co Ltd85,840$1.42M0.49%+85,840New
Rhumbline Advisers89,727$1.48M0.00%+2,293+2.6%Added
Swiss National Bank95,400$1.58M0.00%00.0%Unchanged
ExodusPoint Capital Management, LP97,621$1.61M0.02%+56,718+138.7%Added
BIT Capital GmbH106,182$1.75M0.15%+98,752+1,329.1%Added
Macquarie Group Ltd110,000$1.82M0.00%00.0%Unchanged
Hudson Bay Capital Management LP110,000$1.82M0.02%+30,000+37.5%Added
Bank of America Corp127,589$2.11M0.00%−32,295−20.2%Reduced
Marshall Wace, LLP134,171$2.22M0.00%+16,277+13.8%Added
Adage Capital Partners GP, L.L.C.159,000$2.63M0.00%+9,000+6.0%Added
UBS Group AG164,018$2.71M0.00%+37,378+29.5%Added
Laurion Capital Management LP164,983$2.73M0.08%00.0%Unchanged