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

Institutional Holders (2015Q1)
Portfolio Summary: 652 Institutional holders with a total value of $19,176,844,287.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 14,709,177 1,338,682,000 6.98%
2 STATE STREET CORP 9,768,281 889,004,000 4.64%
3 Boston Partners 7,510,138 683,497,000 3.56%
4 Alken Asset Management Ltd 6,758,714 615,111,000 3.21%
5 BlackRock Institutional Trust Company, N.A. 6,491,031 590,749,000 3.08%
6 WELLINGTON MANAGEMENT GROUP LLP 4,851,233 441,511,000 2.30%
7 LSV ASSET MANAGEMENT 4,397,839 400,247,000 2.09%
8 abrdn Investment Management Ltd 4,314,290 392,578,000 2.05%
9 OppenheimerFunds, Inc. 4,104,126 373,516,000 1.95%
10 PRICE T ROWE ASSOCIATES INC /MD/ 3,685,131 335,384,000 1.75%
11 APG Asset Management N.V. 3,664,012 333,462,000 1.74%
12 BlackRock Fund Advisors 3,427,333 311,922,000 1.63%
13 NORTHERN TRUST CORP 3,325,425 302,648,000 1.58%
14 Bank of New York Mellon Corp 3,270,975 297,691,000 1.55%
15 CITADEL ADVISORS LLC 3,070,065 279,407,000 1.46%
16 DEUTSCHE BANK AG\ 2,930,583 266,705,000 1.39%
17 AQR CAPITAL MANAGEMENT LLC 2,700,150 245,740,000 1.28%
18 AJO, LP 2,685,660 244,422,000 1.27%
19 WELLS FARGO & COMPANY/MN 2,634,475 239,766,000 1.25%
20 AMERICAN CENTURY COMPANIES INC 2,633,472 239,672,000 1.25%
21 Invesco Ltd. 2,582,980 235,078,000 1.23%
22 JANUS HENDERSON INVESTORS US LLC 2,521,872 229,516,000 1.20%
23 FMR LLC 2,295,467 208,910,000 1.09%
24 BlackRock Group LTD 2,250,199 204,792,000 1.07%
25 NORGES BANK 2,182,284 198,609,000 1.04%
26 Allianz Asset Management GmbH 2,132,694 194,096,000 1.01%
27 Cornerstone Investment Partners, LLC 2,111,434 192,162,000 1.00%
28 TIAA CREF INVESTMENT MANAGEMENT LLC 2,058,609 187,354,000 0.98%
29 HERNDON CAPITAL MANAGEMENT LLC 2,041,389 185,708,000 0.97%
30 GEODE CAPITAL MANAGEMENT, LLC 1,912,173 173,783,000 0.91%
31 PRINCIPAL FINANCIAL GROUP INC 1,794,294 163,297,000 0.85%
32 BlackRock Investment Management, LLC 1,683,053 153,175,000 0.80%
33 IVORY INVESTMENT MANAGEMENT, LLC 1,558,446 141,835,000 0.74%
34 SCHRODER INVESTMENT MANAGEMENT GROUP 1,498,776 138,981,000 0.72%
35 BLACKROCK ADVISORS LLC 1,453,797 132,310,000 0.69%
36 JPMORGAN CHASE & CO 1,422,428 129,456,000 0.68%
37 DIMENSIONAL FUND ADVISORS LP 1,421,046 129,346,000 0.67%
38 GOLDMAN SACHS GROUP INC 1,388,394 126,358,000 0.66%
39 ONTARIO TEACHERS PENSION PLAN BOARD 1,378,754 125,480,000 0.65%
40 TCW GROUP INC 1,365,013 124,230,000 0.65%
41 COLUMBUS CIRCLE INVESTORS 1,289,984 117,401,000 0.61%
42 NEW YORK STATE COMMON RETIREMENT FUND 1,245,347 113,339,000 0.59%
43 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,215,188 110,593,000 0.58%
44 BRANDES INVESTMENT PARTNERS, LP 1,202,113 109,405,000 0.57%
45 LYRICAL ASSET MANAGEMENT LP 1,190,480 108,346,000 0.56%
46 First Pacific Advisors, LP 1,141,358 103,875,000 0.54%
47 SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,094,300 99,592,000 0.52% Put
48 SYSTEMATIC FINANCIAL MANAGEMENT LP 1,069,218 97,309,000 0.51%
49 MORGAN STANLEY 1,013,313 92,221,000 0.48%
50 PUTNAM INVESTMENTS LLC 999,088 90,927,000 0.47%
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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.