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Day One Biopharmaceuticals, Inc.

DAWNDelisted
Industry
Pharmaceutical Preparations
SEC CIK
0001845337

Day One Biopharmaceuticals, Inc. was delisted in 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: $1.30B
Q1 2021: $0Q2 2021: $418.3MQ3 2021: $452.9MQ4 2021: $707.6MQ1 2022: $429.6MQ2 2022: $1.06BQ3 2022: $1.21BQ4 2022: $1.30BQ1 2023: $938.2MQ2 2023: $941.0MQ3 2023: $951.5MQ4 2023: $1.12BQ1 2024: $1.21BQ2 2024: $1.03BQ3 2024: $1.28BQ4 2024: $1.19BQ1 2025: $747.2MQ2 2025: $562.2MQ3 2025: $603.9MQ4 2025: $758.9MQ1 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$758.9M
Q3 2025173$603.9M
Q2 2025174$562.2M
Q1 2025184$747.2M
Q4 2024164$1.19B
Q3 2024166$1.28B
Q2 2024157$1.03B
Q1 2024148$1.21B
Q4 2023139$1.12B
Q3 2023130$951.5M
Q2 2023140$941.0M
Q1 2023126$938.2M
Q4 2022109$1.30B
Q3 202293$1.21B
Q2 202287$1.06B
Q1 202266$429.6M
Q4 202158$707.6M
Q3 202145$452.9M
Q2 202133$418.3M
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
FMR LLC9,002,311$193.7M0.02%+210,820+2.4%Added
Atlas Venture Life Science Advisors, LLC7,568,317$162.9M19.62%−600,854−7.4%Reduced
Ra Capital Management, L.P.7,040,622$151.5M3.07%00.0%Unchanged
Adage Capital Partners GP, L.L.C.3,300,000$71.0M0.17%+260,000+8.6%Added
Vanguard Group Inc3,108,973$66.9M0.00%+493,532+18.9%Added
Canaan Partners XI LLC2,548,403$54.8M43.06%−4,415,898−63.4%Reduced
Franklin Resources Inc2,472,849$53.2M0.03%−3,857−0.2%Reduced
State Street Corp2,456,535$52.9M0.00%+414,797+20.3%Added
BlackRock Inc.2,435,268$52.4M0.00%−105,967−4.2%Reduced
Price T Rowe Associates Inc2,182,578$47.0M0.01%+87,665+4.2%Added
Goldman Sachs Group Inc1,768,102$38.0M0.01%+42,960+2.5%Added
Viking Global Investors LPSuperinvestorViking Global Investors1,558,563$33.5M0.17%00.0%Unchanged
Polar Capital Holdings Plc1,399,548$30.1M0.24%+163,973+13.3%Added
Braidwell LP1,246,539$26.8M0.90%+1,246,539New
Boxer Capital, LLC1,189,943$25.6M1.35%00.0%Unchanged
Pathway Capital Management, LP995,686$21.4M38.24%+592,559+147.0%Added
Deerfield Management Company, L.P. (Series C)964,033$20.7M0.43%−67,967−6.6%Reduced
Nicholas Investment Partners, LP786,554$16.9M1.48%+29,147+3.8%Added
Commodore Capital LP739,661$15.9M2.40%00.0%Unchanged
D. E. Shaw & Co., Inc.601,322$12.9M0.02%+34,174+6.0%Added
Geode Capital Management, LLC580,484$12.5M0.00%+25,854+4.7%Added
Great Point Partners LLC544,451$11.7M2.42%+473,830+670.9%Added
Lord, Abbett & Co. LLC506,178$10.9M0.04%+1,927+0.4%Added
Driehaus Capital Management LLC483,484$10.4M0.16%−6,488−1.3%Reduced
Point72 Asset Management, L.P.461,631$9.93M0.04%+461,631New
Northern Trust Corp225,269$4.85M0.00%+219+0.1%Added
Parkman Healthcare Partners LLC224,483$4.83M1.29%+12,292+5.8%Added
Rafferty Asset Management, LLC205,446$4.42M0.04%+60,812+42.0%Added
Charles Schwab Investment Management Inc203,905$4.39M0.00%+4,953+2.5%Added
Samsara BioCapital, LLC196,425$4.23M0.91%00.0%Unchanged
Woodline Partners LP151,028$3.25M0.04%+151,028New
Renaissance Technologies LLC147,426$3.17M0.00%+49,526+50.6%Added
Voloridge Investment Management, LLC146,041$3.14M0.02%−61,224−29.5%Reduced
Alyeska Investment Group, L.P.143,218$3.08M0.03%+1,075+0.8%Added
Dimensional Fund Advisors LP138,608$2.98M0.00%+87,200+169.6%Added
UBS Group AG129,857$2.79M0.00%+108,251+501.0%Added
Nuveen Asset Management, LLC421,127$2.79M0.00%−27,643−6.2%Reduced
Bank of America Corp124,473$2.68M0.00%−31,732−20.3%Reduced
Schonfeld Strategic Advisors LLC115,500$2.49M0.02%+92,113+393.9%Added
Macquarie Group Ltd110,000$2.37M0.00%00.0%Unchanged
Barclays PLC109,552$2.36M0.00%+19,123+21.1%Added
Norges Bank108,000$2.32M0.00%+108,000New
Bank of New York Mellon Corp100,501$2.16M0.00%−1,722−1.7%Reduced
Citigroup Inc90,013$1.94M0.00%−41,733−31.7%Reduced
Morgan Stanley87,265$1.88M0.00%−20,140−18.8%Reduced
JPMorgan Chase & Co72,006$1.55M0.00%−5,308−6.9%Reduced
ExodusPoint Capital Management, LP65,929$1.42M0.02%+53,026+411.0%Added
Manufacturers Life Insurance Company, The59,154$1.26M0.00%+1,697+3.0%Added
Healthcare of Ontario Pension Plan Trust Fund54,000$1.16M0.01%00.0%Unchanged
New York State Common Retirement Fund51,813$1.12M0.00%+230.0%Added
Alps Advisors Inc49,856$1.07M0.01%+9,712+24.2%Added
TD Asset Management Inc46,332$997.1K0.00%00.0%Unchanged
Group One Trading, L.P.45,586$981.0K0.03%−13,537−22.9%Reduced
Cubist Systematic Strategies, LLC43,558$937.4K0.01%−82,028−65.3%Reduced
Rhumbline Advisers42,953$924.0K0.00%+711+1.7%Added
Alliancebernstein L.P.41,900$901.7K0.00%+3,900+10.3%Added
Fisher Asset Management, LLC36,226$780.0K0.00%−9,300−20.4%Reduced
Martingale Asset Management L P32,042$689.5K0.01%+32,042New
Squarepoint Ops LLC30,816$663.2K0.00%+30,816New
Voya Investment Management LLC27,898$600.4K0.00%00.0%Unchanged
Cheyne Capital Management (UK) LLP27,223$585.8K1.03%+27,223New
Penn Mutual Asset Management, LLC24,920$536.3K0.60%+24,920New
Legato Capital Management LLC23,774$511.6K0.10%+23,774New
Wells Fargo & Company20,721$445.9K0.00%−258−1.2%Reduced
Susquehanna International Group, LLP20,568$442.6K0.00%−28,800−58.3%Reduced
Parkwood LLC19,353$416.0K0.08%+878+4.8%Added
Deutsche Bank AG16,810$361.8K0.00%+5,212+44.9%Added
Jump Financial, LLC16,364$352.2K0.02%+16,364New
MetLife Investment Management15,573$335.1K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.15,292$329.1K0.00%+3,349+28.0%Added
Laurion Capital Management LP15,000$322.8K0.01%+763+5.4%Added
Qube Research & Technologies Ltd13,270$285.6K0.00%+13,270New
SG Americas Securities, LLC13,139$283.0K0.00%+3,519+36.6%Added
American International Group, Inc.13,097$281.8K0.00%−48−0.4%Reduced
Principal Financial Group Inc13,028$280.4K0.00%+13,028New
California State Teachers Retirement System11,054$237.9K0.00%+125+1.1%Added
E Fund Management Co., Ltd.10,764$232.0K0.02%+10,764New
State Board of Administration of Florida Retirement System10,650$229.2K0.00%−3,110−22.6%Reduced
Balyasny Asset Management LLC9,883$212.7K0.00%+9,883New
ProShare Advisors LLC9,645$207.6K0.00%+9,645New
AQR Capital Management LLC9,511$204.7K0.00%+9,511New
Citadel Advisors LLC6,871$147.9K0.00%−41,077−85.7%Reduced
Virtus ETF Advisers LLC6,482$139.5K0.07%−119−1.8%Reduced
Quantbot Technologies LP5,900$127.0K0.01%+5,900New
Royal Bank of Canada4,339$93.0K0.00%+2,832+187.9%Added
Amalgamated Bank3,577$77.0K0.00%00.0%Unchanged
Legal & General Group Plc2,585$55.6K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,436$53.0K0.00%+250+11.4%Added
Ameritas Investment Partners, Inc.2,171$47.3K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.1,974$42.5K0.01%00.0%Unchanged
Metropolitan Life Insurance Co1,825$39.3K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.747$16.1K0.01%+59+8.6%Added
Capital Analysts, LLC750$16.0K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec425$9.15K0.00%+425New
Leonteq Securities AG350$7.53K0.00%+350New
Daiwa Securities Group Inc.296$6.00K0.00%+115+63.5%Added
Red Tortoise LLC196$4.22K0.00%+196New
Washington Trust Advisors, Inc.163$3.51K0.00%00.0%Unchanged
Bellevue Asset Management, LLC62$1.31K0.00%00.0%Unchanged
Spire Wealth Management40$1.00K0.00%00.0%Unchanged