Day One Biopharmaceuticals Inc

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Day One Biopharmaceuticals Inc
TickerDAWN
CIK #0001845337
CUSIP23954D109
SectorLife Sciences - Pharmaceutical Preparations
Address395 Oyster Point Blvd Ste 217, South San Francisco, CA 94080-1930
Source [EDGAR]
CIK Filing 2011 - 2024
[0001845337] 10-K
[0001845337] 10-Q
[0001845337] 3
[0001845337] 4
[0001845337] 5
[0001845337] 8-K
[0001845337] D
[0001845337] SC 13D
[0001845337] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
FMR LLC Day One Biopharmaceuticals Inc [2022-09-12] 0.0
Atlas Venture Fund Xi LP Day One Biopharmaceuticals Inc [2022-02-11] 11.6
Takeda Pharmaceutical Co Ltd Day One Biopharmaceuticals Inc [2022-01-14] 0.7
Canaan Xi LP Day One Biopharmaceuticals Inc [2021-06-10] 17.3
Ai DAY1 LLC Day One Biopharmaceuticals Inc [2021-06-09] 15.1
RA Capital Management LP Day One Biopharmaceuticals Inc [2021-06-07] 8.0
Form 3/4/5 Filer 2011 - 2024
AI Day1 LLC
Blavatnik Len
Access Industries Holdings LLC
Access Industries Management LLC
Day One Biopharmaceuticals, Inc.
Blackman Samuel C.
York Charles N II
Bender Jeremy
Grant Julie Papanek
Atlas Venture Fund XI, L.P.
Canaan Partners XI LLC
Canaan XI L.P.
Nicholson Garry A
Atlas Venture Opportunity Fund I, L.P.
Garland J. Scott
Gladstone Michael
Ramasastry Saira
Josey John A.
Holles Natalie C.
Becker Daniel J.
Atlas Venture Associates Opportunity I, L.P.
Atlas Venture Associates XI, L.P.
Atlas Venture Associates XI, LLC
Atlas Venture Associates Opportunity I, LLC
Atlas Venture Opportunity Fund II, L.P.
Takeda Pharmaceutical Co Ltd
Takeda Pharmaceuticals U.S.A., Inc.
Takeda Ventures, Inc.
Millennium Pharmaceuticals Inc
Atlas Venture Associates X LP
Atlas Venture Associates X, LLC
Form 13F Holdings
Firm Period DFND Voting Shares
FMR LLC [2023-03-31] DFND 8,539,161.0 8,572,183.0
Atlas Venture Life Science Advisors LLC [2023-03-31] SOLE 7,608,394.0 7,608,394.0
RA Capital Management LP [2023-03-31] SOLE 0.0 7,040,622.0
Franklin Resources Inc [2023-03-31] DFND 3,406,871.0 3,406,871.0
Braidwell LP [2023-03-31] SOLE 3,159,895.0 3,159,895.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 3,105,630.0
Canaan Partners XI LLC [2023-03-31] SOLE 2,548,403.0 2,548,403.0
Goldman Sachs Group Inc [2023-03-31] DFND 2,283,331.0 2,283,336.0
BlackRock Inc. [2023-03-31] SOLE 2,223,231.0 2,258,495.0
State Street Corp [2023-03-31] DFND 2,228,391.0 2,256,791.0
Price T Rowe Associates Inc /MD/ [2023-03-31] SOLE 297,763.0 1,651,773.0
Nicholas Investment Partners LP [2023-03-31] SOLE 1,603,390.0 1,603,390.0
Viking Global Investors LP [2023-03-31] SOLE 1,558,563.0 1,558,563.0
Polar Capital Holdings Plc [2023-03-31] DFND 1,399,548.0 1,399,548.0
Boxer Capital, LLC [2023-03-31] OTR 1,189,943.0 1,189,943.0
Adage Capital Partners GP LLC [2023-03-31] SOLE 740,000.0 740,000.0
Commodore Capital LP [2023-03-31] SOLE 739,661.0 739,661.0
Geode Capital Management LLC [2023-03-31] DFND 588,476.0 588,476.0
Janus Henderson Group PLC [2023-03-31] DFND 0.0 562,794.0
Nuveen Asset Management LLC [2023-03-31] DFND 498,791.0 498,791.0
Driehaus Capital Management LLC [2023-03-31] SOLE 392,534.0 471,884.0
Citadel Advisors LLC [2023-03-31] DFND 460,384.0 460,384.0
D. E. Shaw & Co., Inc. [2023-03-31] DFND 424,379.0 424,379.0
Parkman Healthcare Partners LLC [2023-03-31] SOLE 400,220.0 400,220.0
Lord Abbett & Co LLC [2023-03-31] SOLE 299,983.0 397,677.0
Renaissance Technologies LLC [2023-03-31] SOLE 176,300.0 379,100.0
Dimensional Fund Advisors LP [2023-03-31] SOLE 341,331.0 351,360.0
Alyeska Investment Group LP [2023-03-31] SOLE 265,167.0 265,167.0
Bank of America Corp /DE/ [2023-03-31] DFND 3,752.0 233,590.0
Squarepoint Ops LLC [2023-03-31] DFND 0.0 223,977.0
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