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WESTERN DIGITAL CORP
WESTERN DIGITAL CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 590 Institutional holders with a total value of $16,959,236,597.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 15,328,888 1,217,727,000 7.18%
2 STATE STREET CORP 9,408,397 747,409,000 4.41%
3 Boston Partners 8,719,573 692,683,000 4.08%
4 FMR LLC 7,048,423 559,927,000 3.30%
5 Alken Asset Management Ltd 6,859,745 544,938,000 3.21%
6 BlackRock Institutional Trust Company, N.A. 5,989,084 475,773,000 2.81%
7 CITADEL ADVISORS LLC 5,760,507 457,615,000 2.70%
8 LSV ASSET MANAGEMENT 4,305,989 342,067,000 2.02%
9 abrdn Investment Management Ltd 4,190,990 332,890,000 1.96%
10 OppenheimerFunds, Inc. 4,013,329 318,819,000 1.88%
11 DEUTSCHE BANK AG\ 3,781,044 300,359,000 1.77%
12 BlackRock Fund Advisors 3,540,901 281,289,000 1.66%
13 WELLINGTON MANAGEMENT GROUP LLP 3,294,633 261,725,000 1.54%
14 NORTHERN TRUST CORP 3,211,892 255,153,000 1.50%
15 Bank of New York Mellon Corp 3,139,607 249,412,000 1.47%
16 D. E. Shaw & Co., Inc. 3,090,078 245,476,000 1.45%
17 APG Asset Management N.V. 2,865,992 227,674,000 1.34%
18 BlackRock Group LTD 2,658,374 211,182,000 1.25%
19 GOLDMAN SACHS GROUP INC 2,427,848 192,868,000 1.14%
20 Invesco Ltd. 2,403,521 190,937,000 1.13%
21 AMERICAN CENTURY COMPANIES INC 2,365,866 187,944,000 1.11%
22 BRANDES INVESTMENT PARTNERS, LP 2,351,688 186,818,000 1.10%
23 NORGES BANK 2,137,471 169,801,000 1.00%
24 IVORY INVESTMENT MANAGEMENT, LLC 2,128,723 169,105,000 1.00%
25 PRICE T ROWE ASSOCIATES INC /MD/ 1,987,191 157,862,000 0.93%
26 GEODE CAPITAL MANAGEMENT, LLC 1,934,649 153,405,000 0.90%
27 AQR CAPITAL MANAGEMENT LLC 1,897,781 150,760,000 0.89%
28 TIAA CREF INVESTMENT MANAGEMENT LLC 1,848,613 146,854,000 0.87%
29 GENERAL ELECTRIC CO 1,778,950 141,320,000 0.83%
30 ONTARIO TEACHERS PENSION PLAN BOARD 1,761,524 139,935,000 0.83%
31 BlackRock Investment Management, LLC 1,722,263 136,817,000 0.81%
32 HERNDON CAPITAL MANAGEMENT LLC 1,701,698 135,182,000 0.80%
33 WELLS FARGO & COMPANY/MN 1,650,027 131,078,000 0.77%
34 JANUS HENDERSON INVESTORS US LLC 1,616,074 128,381,000 0.76%
35 DIMENSIONAL FUND ADVISORS LP 1,614,308 128,084,000 0.76%
36 BLACKROCK ADVISORS LLC 1,510,778 120,016,000 0.71%
37 FRED ALGER MANAGEMENT, LLC 1,501,232 119,258,000 0.70%
38 Alyeska Investment Group, L.P. 1,459,063 115,908,000 0.68%
39 SCHRODER INVESTMENT MANAGEMENT GROUP 1,452,431 115,381,000 0.68%
40 AEGON ASSET MANAGEMENT UK PLC 1,452,696 115,358,589 0.68%
41 BANK OF AMERICA CORP /DE/ 1,424,819 113,188,000 0.67%
42 TCW GROUP INC 1,383,008 109,867,000 0.65%
43 LYRICAL ASSET MANAGEMENT LP 1,572,556 105,078,000 0.62%
44 First Pacific Advisors, LP 1,244,290 98,846,000 0.58%
45 TWO SIGMA ADVISERS, LP 1,215,285 96,671,000 0.57%
46 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,195,230 94,949,000 0.56%
47 NEW YORK STATE COMMON RETIREMENT FUND 1,184,462 94,094,000 0.55%
48 TWO SIGMA INVESTMENTS, LP 1,086,946 86,347,000 0.51%
49 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,086,772 86,333,000 0.51%
50 WINTON GROUP Ltd 1,025,299 81,450,000 0.48%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.