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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
101 Pine River Capital Management L.P. 426,700 33,897,000 0.20% Call
102 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 422,876 33,593,000 0.20%
103 FIRST TRUST ADVISORS LP 421,793 33,507,000 0.20%
104 ALLIANCEBERNSTEIN L.P. 415,754 33,027,000 0.19%
105 Swiss National Bank 412,096 32,737,000 0.19%
106 UNITED SERVICES AUTOMOBILE ASSOCIATION 394,233 31,318,000 0.18%
107 Point72 Asset Management, L.P. 389,600 30,950,000 0.18%
108 STATE OF WISCONSIN INVESTMENT BOARD 377,537 29,992,000 0.18%
109 ROTHSCHILD & CO ASSET MANAGEMENT US INC. 363,126 28,847,000 0.17%
110 RENAISSANCE GROUP LLC 361,642 28,729,000 0.17%
111 Artemis Investment Management LLP 356,240 28,296,000 0.17%
112 AMUNDI ASSET MANAGEMENT US, INC. 347,557 27,610,000 0.16%
113 PRINCIPAL FINANCIAL GROUP INC 341,771 27,150,000 0.16%
114 NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC 336,274 26,714,000 0.16%
115 Evercore Wealth Management, LLC 332,281 26,426,000 0.16%
116 CANADA LIFE ASSURANCE Co 328,079 26,007,000 0.15%
117 JPMORGAN CHASE & CO 322,731 25,638,000 0.15%
118 PIEDMONT INVESTMENT ADVISORS INC 307,508 24,428,435 0.14%
119 PEAK6 Group LLC 306,000 24,309,000 0.14% Put
120 ROYAL BANK OF CANADA 304,086 24,157,000 0.14%
121 RHUMBLINE ADVISERS 291,399 23,149,000 0.14%
122 BARCLAYS PLC 288,802 22,816,000 0.13%
123 GOLDMAN SACHS GROUP INC 285,200 22,656,000 0.13% Put
124 JACOBS LEVY EQUITY MANAGEMENT, INC 276,050 21,929,000 0.13%
125 Alyeska Investment Group, L.P. 275,600 21,894,000 0.13% Call
126 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 275,116 21,855,000 0.13%
127 Korea Investment CORP 261,854 20,801,000 0.12%
128 D. E. Shaw & Co., Inc. 260,600 20,702,000 0.12% Put
129 MACQUARIE GROUP LTD 260,536 20,697,000 0.12%
130 VOYA INVESTMENT MANAGEMENT LLC 260,191 20,670,000 0.12%
131 HIGHBRIDGE CAPITAL MANAGEMENT LLC 258,910 20,568,000 0.12%
132 FACTORY MUTUAL INSURANCE CO 257,000 20,416,000 0.12%
133 MARSHALL WACE, LLP 255,945 20,332,000 0.12%
134 SYSTEMATIC FINANCIAL MANAGEMENT LP 252,565 20,063,000 0.12%
135 US BANCORP \DE\ 244,672 19,438,000 0.11%
136 Nuveen Asset Management, LLC 243,569 19,349,000 0.11%
137 GOLDMAN SACHS GROUP INC 243,400 19,336,000 0.11% Call
138 BNP PARIBAS FINANCIAL MARKETS 242,112 19,233,378 0.11%
139 MANUFACTURERS LIFE INSURANCE COMPANY, THE 239,709 19,043,000 0.11%
140 SUSQUEHANNA INTERNATIONAL GROUP, LLP 235,541 18,711,000 0.11%
141 Profit Investment Management, LLC 235,215 18,685,000 0.11%
142 Zenit Asset Management AB 233,292 18,668,000 0.11%
143 LOEWS CORP 235,000 18,668,000 0.11%
144 BANK OF MONTREAL /CAN/ 229,955 18,269,000 0.11%
145 FEDERATED HERMES, INC. 224,946 17,869,000 0.11%
146 DekaBank Deutsche Girozentrale 222,706 17,547,000 0.10%
147 CREDIT AGRICOLE S A 213,712 16,977,000 0.10%
148 HONEYWELL INTERNATIONAL INC 213,600 16,968,000 0.10%
149 FRANKLIN RESOURCES INC 200,113 15,896,000 0.09%
150 S&T BANK/PA 199,678 15,862,000 0.09%
Page 3 of 12

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.