Western Digital Corp

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Western Digital Corp
TickerWDC
CIK #0000106040
CUSIP958102105
SectorTechnology - Computer Storage Devices
Address20511 Lake Forest Drive, Lake Forest, CA 92630
Source [EDGAR]
CIK Filing 2011 - 2025
[0000106040] 10-K
[0000106040] 10-Q
[0000106040] 3
[0000106040] 4
[0000106040] 8-K
[0000106040] SC 13D
[0000106040] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Managed Account Advisors LLC Western Digital Corp [2025-08-14] 0.0
Western Digital Corp Sandisk Corp [2025-04-03] 0.0
FMR LLC Western Digital Corp [2024-11-12] 0.0
JPMorgan Chase & Co Western Digital Corp [2024-10-15] 5.0
Price T Rowe Associates Inc /MD/ Western Digital Corp [2024-02-14] 7.5
Price T Rowe Associates Inc /MD/ Western Digital Corp [2023-02-14] 6.5
BlackRock Inc Western Digital Corp [2022-02-08] 8.3
State Street Corp Western Digital Corp [2017-02-10] 5.21
FMR LLC Western Digital Corp [2016-02-12] 0.0
BlackRock Inc Western Digital Corp [2014-02-11] 5.2
Western Digital Corp STEC Inc [2013-07-03] 14.9
Hitachi Ltd Western Digital Corp [2012-03-15] 0.6
Tradewinds Global Investors LLC Western Digital Corp [2012-02-14] 6.9
Vanguard Group Inc Western Digital Corp [2012-02-10] 5.83
Form 3/4/5 Filer 2011 - 2025
Gubbi Vidyadhara K
Western Digital Corp
Tregillis Cynthia L
Davis Brian Scott
Kiddoo Bruce E
Tan Irving
Streeter Stephanie A
Shihab Ahmed Mohammed
Sennesael Kris
Oulman Roxanne
Massengill Matthew E
Alexy Kimberly
Cole Martin I
Doluca TUNC
Zamiska Gene M.
Sandisk Corp
Bennett Don R
Jabre Wissam G
Goeckeler David
Soderbery Robert
Suzuki Miyuki
Caulfield Thomas
Ray Michael Charles
Sivaram Srinivasan
Rayman Reed B
Price Paula A
Eulau Robert K
Hunkler Sean
Sundberg Lori S
Cote Kathleen A
Milligan Stephen D
Cordano Michael D
Lauer Len J
Denero Henry T
Lambert Michael D
Fink Martin
Long Mark P
Robertson Donald F Jr
DeMaria Jacqueline
Bhatia Manish H
Mehrotra Sanjay
Campbell Steven Glenn
Leonetti Olivier
Pardun Thomas E
Murphy James J
Moore Roger H/CA
Kimsey William L
Shakeel Arif
Leyden Timothy M
Hitachi Ltd
Nickl Wolfgang U
Yamamoto AKIO
Coyne John F
Welsh James K
Carrillo Joseph R
OKA Kensuke
Yamamura Masahiro
Morris James D
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2025-06-30] SOLE 0 41,369,115
BlackRock, Inc. [2025-06-30] SOLE 32,239,160 34,996,561
FMR LLC [2025-06-30] DFND 30,547,487 32,261,134
Bank of America Corp /DE/ [2025-06-30] DFND 104,755 25,877,954
State Street Corp [2025-06-30] DFND 9,111,921 15,184,522
UBS Group AG [2025-06-30] DFND 11,661,834 11,723,216
JPMorgan Chase & Co [2025-06-30] DFND 10,297,769 11,284,572
FIL Ltd [2025-06-30] DFND 9,881,476 10,425,084
Geode Capital Management LLC [2025-06-30] DFND 9,297,528 9,305,289
Ameriprise Financial Inc [2025-06-30] DFND 0 9,059,528
Citadel Advisors LLC [2025-06-30] DFND 8,925,403 8,925,403
Morgan Stanley [2025-06-30] DFND 6,297,882 7,826,274
Slate Path Capital LP [2025-06-30] SOLE 6,038,091 6,038,091
Holocene Advisors LP [2025-06-30] SOLE 5,535,972 5,535,972
Invesco Ltd. [2025-06-30] DFND 0 5,268,792
DnB Asset Management AS [2025-06-30] OTR 0 4,842,066
Balyasny Asset Management LP [2025-06-30] SOLE 4,499,174 4,499,174
Goldman Sachs Group Inc [2025-06-30] DFND 4,299,769 4,362,458
Susquehanna International Group LLP [2025-06-30] OTR 96,772 4,089,872
Maple Rock Capital Partners Inc [2025-06-30] SOLE 3,735,296 3,735,296
Impactive Capital LP [2025-06-30] SOLE 3,571,435 3,571,435
Norges Bank [2025-06-30] SOLE 3,448,666 3,448,666
Northern Trust Corp [2025-06-30] DFND 3,375,033 3,393,900
D. E. Shaw & Co., Inc. [2025-06-30] DFND 3,299,061 3,299,061
Soroban Capital Partners LP [2025-06-30] SOLE 3,061,134 3,061,134
Dimensional Fund Advisors LP [2025-06-30] SOLE 2,626,646 2,770,419
Walleye Trading LLC [2025-06-30] SOLE 2,587,298 2,587,298
Charles Schwab Investment Management Inc [2025-06-30] SOLE 2,426,648 2,426,761
Jane Street Group LLC [2025-06-30] DFND 1,188,365 2,324,365
Elliott Investment Management LP [2025-06-30] DFND 0 2,250,000
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