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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 2023

Institutional positions in Day One Biopharmaceuticals, Inc. as of Dec 31, 2023. 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
139
+9 vs. Q3 2023
Shares held
76.6M
−977.1K (−1.3%) vs. Q3 2023
Total value
$1.12B
+$166.4M (+17.5%) vs. Q3 2023
New holders
26
51 more added
Sold out
17
35 more reduced

Compare with Q3 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 holdersQ4 2023: 139 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 2023: $1.12B
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 2023

Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q3 2023.

Institutions holding DAWN in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd8$00.00%−1−11.1%Reduced
Farther Finance Advisors, LLC3$440.00%+3New
IFP Advisors, Inc24$3500.00%00.0%Unchanged
Nisa Investment Advisors, LLC25$3650.00%−762−96.8%Reduced
Spire Wealth Management40$5570.00%+40New
GAMMA Investing LLC37$5570.00%+37New
The PNC Financial Services Group, Inc.61$8910.00%+57+1,425.0%Added
Bellevue Asset Management, LLC93$1.36K0.00%00.0%Unchanged
Red Tortoise LLC196$2.86K0.00%00.0%Unchanged
Comerica Bank206$3.01K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.246$3.59K0.00%00.0%Unchanged
Daiwa Securities Group Inc.296$4.00K0.00%00.0%Unchanged
CarsonAllaria Wealth Management, Ltd.430$6.28K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,905$27.8K0.00%+212+12.5%Added
Quest Partners LLC1,980$28.9K0.01%+1,980New
Federation des caisses Desjardins du Quebec2,824$41.2K0.00%+1,059+60.0%Added
Amundi2,976$43.1K0.00%+2,976New
Quintet Private Bank (Europe) S.A.3,313$48.4K0.00%+1,000+43.2%Added
Metropolitan Life Insurance Co3,691$53.9K0.00%00.0%Unchanged
Quarry LP5,000$73.0K0.04%−1,519−23.3%Reduced
Sandia Investment Management LP5,980$87.3K0.06%−4,020−40.2%Reduced
Ameritas Investment Partners, Inc.6,279$91.7K0.00%00.0%Unchanged
Virtus ETF Advisers LLC6,492$94.8K0.06%−847−11.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)6,978$101.9K0.00%−2,277−24.6%Reduced
Citadel Advisors LLC7,267$106.1K0.00%+513+7.6%Added
BIT Capital GmbH7,430$108.5K0.01%+7,430New
Amalgamated Bank8,590$125.0K0.00%−38−0.4%Reduced
China Universal Asset Management Co., Ltd.10,067$147.0K0.03%+7,841+352.2%Added
Exchange Traded Concepts, LLC10,072$147.1K0.00%+2,554+34.0%Added
AQR Capital Management LLC10,158$148.3K0.00%+10,158New
Dynamic Technology Lab Private Ltd10,651$156.0K0.02%+10,651New
Teacher Retirement System of Texas10,860$159.0K0.00%−2,023−15.7%Reduced
Regency Capital Management Inc.12,000$175.2K0.12%00.0%Unchanged
E Fund Management Co., Ltd.12,618$184.2K0.01%+442+3.6%Added
Commonwealth Equity Services, LLC12,660$185.0K0.00%+12,660New
Arizona State Retirement System13,373$195.2K0.00%+1,010+8.2%Added
UBS Asset Management Americas Inc14,300$208.8K0.00%+14,300New
Cubist Systematic Strategies, LLC14,395$210.2K0.00%+14,395New
Vontobel Holding Ltd.15,500$226.3K0.00%−8,300−34.9%Reduced
NEOS Investment Management LLC15,507$226.4K0.02%+15,507New
Balyasny Asset Management LLC15,605$227.8K0.00%+15,605New
Squarepoint Ops LLC15,927$232.5K0.00%−30,917−66.0%Reduced
ProShare Advisors LLC15,932$232.6K0.00%+2,108+15.2%Added
Handelsbanken Fonder AB17,400$254.0K0.00%+17,400New
Principal Financial Group Inc17,869$260.9K0.00%+88+0.5%Added
State Board of Administration of Florida Retirement System17,880$261.0K0.00%00.0%Unchanged
Royal Bank of Canada21,220$310.0K0.00%+11,499+118.3%Added
Cetera Advisor Networks LLC24,946$364.2K0.00%−2,693−9.7%Reduced
Algert Global LLC25,042$365.6K0.01%−8,020−24.3%Reduced
Gsa Capital Partners LLP30,378$444.0K0.04%+30,378New
American International Group, Inc.31,142$454.7K0.00%−126−0.4%Reduced
Invesco Ltd.31,358$457.8K0.00%+12,196+63.6%Added
Tudor Investment Corp Et Al33,367$487.2K0.01%+33,367New
MetLife Investment Management33,443$488.3K0.00%00.0%Unchanged
Martingale Asset Management L P33,744$492.7K0.01%+3,600+11.9%Added
Jupiter Asset Management Ltd36,671$535.4K0.01%+36,671New
Wells Fargo & Company38,225$558.1K0.00%−39,386−50.7%Reduced
Profund Advisors LLC38,817$566.7K0.02%−1,428−3.5%Reduced
Jane Street Group, LLC39,303$573.8K0.00%+39,303New
Manufacturers Life Insurance Company, The40,878$596.8K0.00%−538−1.3%Reduced
ExodusPoint Capital Management, LP40,903$597.0K0.01%−183,706−81.8%Reduced
Legato Capital Management LLC41,918$612.0K0.08%+5,242+14.3%Added
Prelude Capital Management, LLC42,500$620.5K0.05%+20,600+94.1%Added
Voya Investment Management LLC42,871$625.9K0.00%+298+0.7%Added
Mirae Asset Global Investments Co., Ltd.44,122$644.2K0.00%+555+1.3%Added
Credit Suisse AG47,149$688.4K0.00%+5,200+12.4%Added
Susquehanna International Group, LLP47,378$691.7K0.00%−7,358−13.4%Reduced
Alliancebernstein L.P.51,500$751.9K0.00%+16,430+46.8%Added
Erste Asset Management GmbH51,200$767.5K0.01%00.0%Unchanged
California State Teachers Retirement System52,923$772.7K0.00%+731+1.4%Added
Legal & General Group Plc53,491$781.0K0.00%−239−0.4%Reduced
State of Wisconsin Investment Board54,403$794.3K0.00%+11,593+27.1%Added
TD Asset Management Inc55,196$805.9K0.00%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.57,844$844.5K0.05%+4,041+7.5%Added
Alps Advisors Inc59,695$871.5K0.01%−4,458−6.9%Reduced
SG Americas Securities, LLC64,692$945.0K0.01%+27,712+74.9%Added
Fisher Asset Management, LLC68,446$999.3K0.00%+32,238+89.0%Added
HRT Financial LP73,887$1.08M0.01%+73,887New
New York State Common Retirement Fund78,299$1.14M0.00%+13,294+20.5%Added
Hudson Bay Capital Management LP80,000$1.17M0.01%+80,000New
Rhumbline Advisers87,434$1.28M0.00%−1,769−2.0%Reduced
Point72 Asset Management, L.P.88,000$1.28M0.00%−456,560−83.8%Reduced
Swiss National Bank95,400$1.39M0.00%00.0%Unchanged
Citigroup Inc99,925$1.46M0.00%−740−0.7%Reduced
JPMorgan Chase & Co104,796$1.53M0.00%+13,270+14.5%Added
Macquarie Group Ltd110,000$1.61M0.00%00.0%Unchanged
Marshall Wace, LLP117,894$1.72M0.00%−343,941−74.5%Reduced
UBS Group AG126,640$1.85M0.00%+102,759+430.3%Added
Adage Capital Partners GP, L.L.C.150,000$2.19M0.00%−886,599−85.5%Reduced
Bank of America Corp159,884$2.33M0.00%−58,717−26.9%Reduced
Laurion Capital Management LP164,983$2.41M0.09%+164,983New
Norges Bank169,000$2.47M0.00%00.0%Unchanged
Simplify Asset Management Inc.175,018$2.56M0.40%00.0%Unchanged
Nuveen Asset Management, LLC175,775$2.57M0.00%−249,434−58.7%Reduced
Deutsche Bank AG177,156$2.59M0.00%+190.0%Added
Schonfeld Strategic Advisors LLC178,934$2.61M0.02%+42,234+30.9%Added
Barclays PLC185,839$2.71M0.00%+53,957+40.9%Added
D. E. Shaw & Co., Inc.195,489$2.85M0.00%−739−0.4%Reduced
Samsara BioCapital, LLC196,425$2.87M0.45%00.0%Unchanged
Wellington Management Group LLP208,969$3.05M0.00%+91,393+77.7%Added