Dark
Light
System
Security
WESTERN DIGITAL CORP
WESTERN DIGITAL CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 648 Institutional holders with a total value of $23,265,160,621.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 14,182,472 1,570,000,000 6.75%
2 STATE STREET CORP 10,107,916 1,118,945,000 4.81%
3 Alken Asset Management Ltd 7,006,766 775,649,000 3.33%
4 Boston Partners 6,790,610 751,720,000 3.23%
5 BlackRock Institutional Trust Company, N.A. 6,785,190 751,121,000 3.23%
6 WELLINGTON MANAGEMENT GROUP LLP 6,109,738 676,348,000 2.91%
7 PRICE T ROWE ASSOCIATES INC /MD/ 4,774,398 528,526,000 2.27%
8 LSV ASSET MANAGEMENT 4,451,339 492,763,000 2.12%
9 OppenheimerFunds, Inc. 4,325,036 478,781,000 2.06%
10 abrdn Investment Management Ltd 4,253,835 471,048,000 2.02%
11 APG Asset Management N.V. 3,845,618 425,710,000 1.83%
12 Bank of New York Mellon Corp 3,816,872 422,528,000 1.82%
13 BlackRock Fund Advisors 3,416,357 378,191,000 1.63%
14 NORTHERN TRUST CORP 3,380,998 374,276,000 1.61%
15 AQR CAPITAL MANAGEMENT LLC 2,981,216 330,020,000 1.42%
16 Cornerstone Investment Partners, LLC 2,829,301 313,204,000 1.35%
17 AJO, LP 2,757,340 305,238,000 1.31%
18 DEUTSCHE BANK AG\ 2,592,897 287,025,000 1.23%
19 WELLS FARGO & COMPANY/MN 2,461,105 272,443,000 1.17%
20 Invesco Ltd. 2,399,733 265,651,000 1.14%
21 BlackRock Group LTD 2,378,257 263,274,000 1.13%
22 AMERICAN CENTURY COMPANIES INC 2,353,966 260,584,000 1.12%
23 JANUS HENDERSON INVESTORS US LLC 2,300,502 254,665,000 1.09%
24 HERNDON CAPITAL MANAGEMENT LLC 2,299,926 254,602,000 1.09%
25 NORGES BANK 2,084,344 230,736,000 0.99%
26 TIAA CREF INVESTMENT MANAGEMENT LLC 1,970,912 218,180,000 0.94%
27 Allianz Asset Management GmbH 1,859,689 205,867,000 0.88%
28 PRINCIPAL FINANCIAL GROUP INC 1,844,194 204,152,000 0.88%
29 GOLDMAN SACHS GROUP INC 1,842,318 203,945,000 0.88%
30 GEODE CAPITAL MANAGEMENT, LLC 1,835,644 202,969,000 0.87%
31 JPMORGAN CHASE & CO 1,809,518 200,313,000 0.86%
32 TCW GROUP INC 1,721,710 190,594,000 0.82%
33 BlackRock Investment Management, LLC 1,635,941 181,099,000 0.78%
34 DIMENSIONAL FUND ADVISORS LP 1,553,349 171,985,000 0.74%
35 SCHRODER INVESTMENT MANAGEMENT GROUP 1,550,925 171,686,000 0.74%
36 CITADEL ADVISORS LLC 1,315,769 145,656,000 0.63%
37 ONTARIO TEACHERS PENSION PLAN BOARD 1,274,171 141,051,000 0.61%
38 First Pacific Advisors, LP 1,266,200 140,168,000 0.60%
39 BRANDES INVESTMENT PARTNERS, LP 1,245,053 137,828,000 0.59%
40 COLUMBUS CIRCLE INVESTORS 1,213,045 134,284,000 0.58%
41 NEW YORK STATE COMMON RETIREMENT FUND 1,207,560 133,677,000 0.57%
42 LYRICAL ASSET MANAGEMENT LP 1,188,387 131,554,000 0.57%
43 TWO SIGMA INVESTMENTS, LP 1,169,014 129,410,000 0.56%
44 BLACKROCK ADVISORS LLC 1,097,022 121,440,000 0.52%
45 JANUS HENDERSON GROUP PLC 1,084,749 120,120,000 0.52%
46 CREDIT SUISSE AG/ 1,047,771 115,990,000 0.50%
47 Turiya Advisors Asia Ltd 1,045,269 115,711,000 0.50%
48 TWO SIGMA ADVISERS, LP 1,044,303 115,604,000 0.50%
49 Robeco Institutional Asset Management B.V. 994,020 110,037,000 0.47%
50 SYSTEMATIC FINANCIAL MANAGEMENT LP 982,061 108,714,000 0.47%
Page 1 of 13

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.