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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
201 FLOSSBACH VON STORCH SE 115,350 10,498,000 0.05%
202 AXA S.A. 115,011 10,468,000 0.05%
203 NISA INVESTMENT ADVISORS, LLC 112,721 10,259,000 0.05%
204 PDT Partners, LLC 110,975 10,100,000 0.05%
205 Euclid Advisors LLC 110,000 10,011,000 0.05%
206 AMERICAN INTERNATIONAL GROUP, INC. 108,268 9,853,485 0.05%
207 National Pension Service 107,694 9,801,000 0.05%
208 Union Point Advisors, LLC 106,799 9,720,000 0.05%
209 SPROTT INC. 105,000 9,556,000 0.05%
210 TD ASSET MANAGEMENT INC 104,546 9,514,000 0.05%
211 RIVERHEAD CAPITAL MANAGEMENT LLC 103,106 9,384,000 0.05%
212 Hosking & Co Ltd 102,297 9,310,000 0.05% SH
213 State of Tennessee, Department of Treasury 101,734 9,259,000 0.05%
214 C M BIDWELL & ASSOCIATES LTD 101,220 9,212,000 0.05%
215 BANK OF AMERICA CORP /DE/ 100,000 9,101,000 0.05% Call
216 COLONY GROUP LLC 98,776 8,990,000 0.05%
217 GSA CAPITAL PARTNERS LLP 98,211 8,938,000 0.05%
218 LEUTHOLD GROUP, LLC 97,888 8,909,000 0.05%
219 CITIGROUP INC 97,500 8,873,000 0.05% Put
220 Trafelet Capital Management, L.P. 97,374 8,862,000 0.05%
221 CAISSE DE DEPOT ET PLACEMENT DU QUEBEC 95,900 8,728,000 0.05%
222 BANQUE PICTET & CIE SA 95,402 8,683,000 0.05%
223 Visium Asset Management, LP 94,417 8,592,000 0.04%
224 SEI INVESTMENTS CO 94,239 8,573,000 0.04%
225 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 92,957 8,460,000 0.04%
226 MCKINLEY CAPITAL MANAGEMENT LLC 92,756 8,442,000 0.04%
227 Spot Trading L.L.C 92,500 8,418,000 0.04% Put
228 DIKER MANAGEMENT LLC 91,985 8,372,000 0.04%
229 HBK INVESTMENTS L P 91,300 8,309,000 0.04%
230 BARCLAYS PLC 90,700 8,254,000 0.04% Put
231 Zenit Asset Management AB 90,000 8,249,000 0.04%
232 Mitsubishi UFJ Asset Management Co., Ltd. 89,539 8,149,000 0.04%
233 ALPINE WOODS CAPITAL INVESTORS, LLC 89,400 8,136,000 0.04%
234 OAK ASSOCIATES LTD /OH/ 88,855 8,087,000 0.04%
235 MARQUE MILLENNIUM CAPITAL MANAGEMENT LCC 88,400 8,045,000 0.04%
236 CIBC WORLD MARKET INC. 87,145 7,931,000 0.04%
237 STATE OF MICHIGAN RETIREMENT SYSTEM 83,767 7,624,000 0.04%
238 THRIVENT FINANCIAL FOR LUTHERANS 83,600 7,608,000 0.04%
239 ADAMS DIVERSIFIED EQUITY FUND, INC. 83,000 7,554,000 0.04%
240 PRUDENTIAL PLC 82,294 7,490,000 0.04%
241 Karamaan Group, LLC 81,699 7,435,000 0.04%
242 TEXAS PERMANENT SCHOOL FUND CORP 81,303 7,399,000 0.04%
243 UNITED CAPITAL FINANCIAL ADVISORS, LLC 75,454 7,375,000 0.04%
244 EATON VANCE MANAGEMENT 80,090 7,289,000 0.04%
245 TD Securities (USA) LLC 78,016 7,100,000 0.04%
246 AlphaOne Investment Services, LLC 77,800 7,081,000 0.04%
247 FIRST QUADRANT LLC/CA 75,795 6,898,000 0.04%
248 PUBLIC SECTOR PENSION INVESTMENT BOARD 75,605 6,881,000 0.04%
249 Credit Capital Investments LLC 73,000 6,644,000 0.03%
250 Employees Retirement System of Texas 72,000 6,553,000 0.03%
Page 5 of 14

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.