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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, Q2 2023

Institutional positions in Day One Biopharmaceuticals, Inc. as of Jun 30, 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
140
+14 vs. Q1 2023
Shares held
78.8M
+17.6M (+28.7%) vs. Q1 2023
Total value
$941.0M
+$122.9M (+15.0%) vs. Q1 2023
New holders
39
60 more added
Sold out
25
23 more reduced

Compare with Q1 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 holdersQ2 2023: 140 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 heldQ2 2023: $941.0M
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, Q2 2023

Shares, value and share of portfolio for each institution holding Day One Biopharmaceuticals, Inc.; share changes are against Q1 2023.

Institutions holding DAWN in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
CWM, LLC3$00.00%00.0%Unchanged
Covestor Ltd10$00.00%+4+66.7%Added
Advisor Group Holdings, Inc.14$1670.00%−169−92.3%Reduced
Crewe Advisors LLC30$3590.00%00.0%Unchanged
Nisa Investment Advisors, LLC46$5490.00%+16+53.3%Added
Simplex Trading, LLC107$1.00K0.00%−6,306−98.3%Reduced
Bellevue Asset Management, LLC93$1.11K0.00%+93New
CarsonAllaria Wealth Management, Ltd.100$1.19K0.00%+100New
Red Tortoise LLC196$2.34K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.246$2.94K0.00%+83+50.9%Added
Daiwa Securities Group Inc.296$4.00K0.00%00.0%Unchanged
Leonteq Securities AG700$8.36K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.964$11.5K0.00%−32−3.2%Reduced
Federation des caisses Desjardins du Quebec1,495$17.9K0.00%00.0%Unchanged
Quintet Private Bank (Europe) S.A.2,302$27.5K0.00%−13−0.6%Reduced
Metropolitan Life Insurance Co2,736$32.7K0.00%+1,192+77.2%Added
Tower Research Capital LLC (TRC)3,171$37.9K0.00%−3,615−53.3%Reduced
Russell Investments Group, Ltd.3,530$42.1K0.00%−1,600−31.2%Reduced
Ameritas Investment Partners, Inc.4,066$48.5K0.00%+1,895+87.3%Added
Royal Bank of Canada4,881$59.0K0.00%+2,077+74.1%Added
Belvedere Trading LLC5,945$71.0K0.02%+5,945New
Amalgamated Bank6,360$76.0K0.00%+3,459+119.2%Added
Virtus ETF Advisers LLC8,073$96.4K0.06%+3,388+72.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)9,255$110.5K0.00%+9,255New
Sandia Investment Management LP10,000$119.4K0.04%+10,000New
Laurion Capital Management LP10,134$121.0K0.01%−4,866−32.4%Reduced
Exchange Traded Concepts, LLC10,413$124.3K0.00%+10,413New
ProShare Advisors LLC11,164$133.3K0.00%+11,164New
Arizona State Retirement System11,368$135.7K0.00%+11,368New
PFS Investments Inc.11,505$137.0K0.00%+11,505New
Cetera Advisor Networks LLC11,500$137.3K0.00%+1,500+15.0%Added
Prelude Capital Management, LLC11,900$142.1K0.01%+11,900New
Regency Capital Management Inc.12,000$143.3K0.12%+12,000New
Nebula Research & Development LLC12,380$147.8K0.11%+12,380New
UBS Group AG12,543$149.8K0.00%−57,322−82.0%Reduced
Teacher Retirement System of Texas13,825$165.0K0.00%+13,825New
State Board of Administration of Florida Retirement System13,980$166.9K0.00%+3,330+31.3%Added
AQR Capital Management LLC14,404$172.0K0.00%+1,348+10.3%Added
E Fund Management Co., Ltd.15,641$187.0K0.01%+4,774+43.9%Added
Bayesian Capital Management, LP15,834$189.1K0.02%+15,834New
Invesco Ltd.16,094$192.2K0.00%+16,094New
Principal Financial Group Inc16,212$193.6K0.00%+2,499+18.2%Added
Two Sigma Advisers, LP16,400$195.8K0.00%+16,400New
Glenmede Trust Co NA15,209$203.3K0.00%00.0%Unchanged
XTX Topco Ltd17,049$203.6K0.04%−3,533−17.2%Reduced
SG Americas Securities, LLC23,297$278.0K0.00%+6,140+35.8%Added
Dynamic Technology Lab Private Ltd23,355$279.0K0.04%−17,796−43.2%Reduced
American International Group, Inc.23,697$282.9K0.00%+10,333+77.3%Added
Vontobel Holding Ltd.23,800$284.2K0.00%+23,800New
MetLife Investment Management26,406$315.3K0.00%+10,833+69.6%Added
TD Asset Management Inc27,598$329.5K0.00%00.0%Unchanged
Tudor Investment Corp Et Al28,163$336.3K0.01%+17,035+153.1%Added
Hennion & Walsh Asset Management, Inc.28,389$339.0K0.02%+28,389New
Martingale Asset Management L P30,042$358.7K0.01%−1,900−5.9%Reduced
Mirae Asset Global Investments Co., Ltd.35,045$421.7K0.00%+12,647+56.5%Added
Fisher Asset Management, LLC36,208$432.3K0.00%00.0%Unchanged
Jane Street Group, LLC36,611$437.1K0.00%−61,984−62.9%Reduced
Voya Investment Management LLC36,787$439.2K0.00%+8,889+31.9%Added
Davidson Kempner Capital Management LP40,000$477.2K0.01%+40,000New
Bank of Montreal37,895$507.4K0.00%+37,895New
Alliancebernstein L.P.43,310$517.1K0.00%+5,910+15.8%Added
Legato Capital Management LLC43,688$521.6K0.07%+13,696+45.7%Added
State of Wisconsin Investment Board46,196$551.6K0.00%+46,196New
Algert Global LLC49,002$585.1K0.03%+31,622+181.9%Added
Legal & General Group Plc49,100$586.3K0.00%+46,515+1,799.4%Added
Erste Asset Management GmbH51,200$628.2K0.01%00.0%Unchanged
Profund Advisors LLC52,632$628.4K0.03%+17,303+49.0%Added
Healthcare of Ontario Pension Plan Trust Fund54,000$644.8K0.00%00.0%Unchanged
Credit Suisse AG57,402$685.4K0.00%+57,402New
California State Teachers Retirement System61,311$732.1K0.00%+51,017+495.6%Added
Alps Advisors Inc62,561$747.0K0.01%+14,078+29.0%Added
Manufacturers Life Insurance Company, The63,713$760.7K0.00%+8,464+15.3%Added
Rhumbline Advisers66,261$791.2K0.00%+22,265+50.6%Added
JPMorgan Chase & Co67,584$807.0K0.00%+45,373+204.3%Added
Jump Financial, LLC70,031$836.2K0.03%−30,357−30.2%Reduced
New York State Common Retirement Fund73,066$872.4K0.00%+18,831+34.7%Added
CVI Holdings, LLC80,000$955.2K1.01%+80,000New
Susquehanna International Group, LLP80,070$956.0K0.00%−21,208−20.9%Reduced
Apis Capital Advisors, LLC90,000$1.07M1.08%+90,000New
Wells Fargo & Company90,961$1.09M0.00%+33,403+58.0%Added
Citigroup Inc96,431$1.15M0.00%−56,567−37.0%Reduced
Macquarie Group Ltd110,000$1.31M0.00%00.0%Unchanged
AlphaCentric Advisors LLC110,000$1.31M0.73%+110,000New
Swiss National Bank111,300$1.33M0.00%+111,300New
Wellington Management Group LLP112,010$1.34M0.00%+112,010New
Schonfeld Strategic Advisors LLC115,518$1.38M0.01%+10,578+10.1%Added
Point72 Asset Management, L.P.131,000$1.56M0.01%+131,000New
Renaissance Technologies LLC139,164$1.66M0.00%−239,936−63.3%Reduced
Barclays PLC144,403$1.72M0.00%+70,834+96.3%Added
Squarepoint Ops LLC161,786$1.93M0.01%−62,191−27.8%Reduced
Deutsche Bank AG167,918$2.00M0.00%−417−0.2%Reduced
Norges Bank169,000$2.02M0.00%00.0%Unchanged
Bank of New York Mellon Corp179,909$2.15M0.00%+68,278+61.2%Added
Dimensional Fund Advisors LP183,178$2.19M0.00%−180,881−49.7%Reduced
ExodusPoint Capital Management, LP187,185$2.23M0.03%+187,185New
Samsara BioCapital, LLC196,425$2.35M0.41%00.0%Unchanged
Monashee Investment Management LLC199,900$2.39M0.57%+199,900New
Woodline Partners LP211,000$2.52M0.03%+59,972+39.7%Added
D. E. Shaw & Co., Inc.213,416$2.55M0.00%−210,963−49.7%Reduced
Bank of America Corp213,472$2.55M0.00%−20,118−8.6%Reduced