Notable Holders of Western Digital Corp. (WDC)
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Expand Research on WDC
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* Does Not Fully Represent All Holders
| Fund | Title | Shares | % Owned | Source |
|---|---|---|---|---|
| VANGUARD GROUP INC | COM | 12,945,074 | 5.54% | 13F |
| Fidelity Investments | COM | 8,350,535 | 3.57% | 13F |
| LSV ASSET MANAGEMENT | COM | 7,186,050 | 3.07% | 13F |
| BRANDES INVESTMENT PARTNERS, LP | COM | 6,939,234 | 2.97% | 13F |
| First Pacific Advisors, LLC | CS | 6,675,400 | 2.86% | 13F |
| BlackRock Institutional Trust Company, N.A. | COM | 5,948,015 | 2.54% | 13F |
| BLACKROCK ADVISORS LLC | COM | 4,772,830 | 2.04% | 13F |
| CAPITAL GROWTH MANAGEMENT LP | COMMON | 4,370,000 | 1.87% | 13F |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 3,966,237 | 1.70% | 13F | |
| AMERIPRISE FINANCIAL INC | COM | 3,306,024 | 1.41% | 13F |
| ARROWSTREET CAPITAL LIMITED PARTNERSHIP | COM | 2,940,422 | 1.26% | 13F |
| WESTWOOD MANAGEMENT CORP /TX | COM | 2,804,113 | 1.20% | 13F |
| BlackRock Investment Management, LLC | COM | 2,770,929 | 1.19% | 13F |
| NORTHERN TRUST CORP | COM | 2,756,033 | 1.18% | 13F |
| TCW GROUP INC | COM | 2,608,326 | 1.12% | 13F |
| BlackRock Group LTD | COM | 2,470,875 | 1.06% | 13F |
| MORGAN STANLEY | COM | 2,415,875 | 1.03% | 13F |
| BlackRock Fund Advisors | COM | 2,361,767 | 1.01% | 13F |
| BARCLAYS PLC (CALL) | OPT | 2,239,600 | 0.96% | 13F |
| HERNDON CAPITAL MANAGEMENT | COMMON STOCK | 2,139,854 | 0.92% | 13F |
| TIAA CREF INVESTMENT MANAGEMENT LLC | COM | 2,072,173 | 0.89% | 13F |
| RUSSELL FRANK CO/ | COMMON STOCKS | 2,050,752 | 0.88% | 13F |
| Goldman Sachs Asset Management, L.P. | CMN | 2,019,139 | 0.86% | 13F |
| AQR CAPITAL MANAGEMENT LLC | COM | 1,977,015 | 0.85% | 13F |
| Cornerstone Investment Partners, LLC | COM | 1,928,117 | 0.82% | 13F |
| SCHWAB CHARLES INVESTMENT MANAGEMENT INC | COM | 1,652,956 | 0.71% | 13F |
| DIMENSIONAL FUND ADVISORS LP | COM | 1,569,936 | 0.67% | 13F |
| PRINCIPAL FINANCIAL GROUP INC | COM | 1,523,028 | 0.65% | 13F |
| SOUND SHORE MANAGEMENT INC /CT/ | COMMON | 1,382,915 | 0.59% | 13F |
| GEODE CAPITAL MANAGEMENT LLC | COM | 1,370,087 | 0.59% | 13F |
| Citadel | CMN | 1,364,316 | 0.58% | 13F |
| IVORY INVESTMENT MANAGEMENT. L.P. | COM | 1,334,133 | 0.57% | 13F |
| NEW YORK STATE COMMON RETIREMENT FUND | COMMON STOCK | 1,309,277 | 0.56% | 13F |
| Invesco Ltd. | COMMON | 1,284,725 | 0.55% | 13F |
| SEIZERT CAPITAL PARTNERS, LLC | COM | 1,284,610 | 0.55% | 13F |
| OPPENHEIMER FUNDS INC | COM | 1,180,891 | 0.51% | 13F |
| CLAIRVOYANCE CAPITAL ADVISORS PTE. LTD. (CALL) | COM | 1,144,600 | 0.49% | 13F |
| Numeric Investors LLC | COMM | 1,098,200 | 0.47% | 13F |
| FIL Ltd | COM | 1,087,045 | 0.46% | 13F |
| LEGAL & GENERAL GROUP PLC | COM | 1,058,154 | 0.45% | 13F |
| CADENCE CAPITAL MANAGEMENT LLC | COM | 966,585 | 0.41% | 13F |
| PEAK6 Investments, L.P. | COM | 912,882 | 0.39% | 13F |
| INVESTOR RESOURCES GROUP LLC | COM | 909,409 | 0.39% | 13F |
| DUPONT CAPITAL MANAGEMENT Corp | COMMON STOCK | 908,358 | 0.39% | 13F |
| Sumitomo Mitsui Trust Holdings, Inc. | COM | 886,417 | 0.38% | 13F |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | COM | 871,795 | 0.37% | 13F |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | * WESTERN DIGITAL CORP | 710,140 | 0.30% | 13F |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | COM | 691,201 | 0.30% | 13F |
| MADISON SQUARE INVESTORS LLC. | COM | 688,297 | 0.29% | 13F |
| HUSSMAN ECONOMETRICS ADVISORS, INC. | COM | 675,000 | 0.29% | 13F |
| Mitsubishi UFJ Trust & Banking Corp | COM | 607,947 | 0.26% | 13F |
| DEUTSCHE BANK AG\ | COM | 603,777 | 0.26% | 13F |
| KINGDON CAPITAL MANAGEMENT LLC | COM | 600,000 | 0.26% | 13F |
| Origin Asset Management LLP | COM | 593,298 | 0.25% | 13F |
| Highbridge Capital | COMMON | 591,870 | 0.25% | 13F |
| ROYCE & ASSOCIATES LLC | COM | 591,200 | 0.25% | 13F |
| FRONTIER CAPITAL MANAGEMENT CO LLC | COM | 580,824 | 0.25% | 13F |
| SCOUT INVESTMENTS, INC. | COM | 576,450 | 0.25% | 13F |
| Grantham, Mayo, Van Otterloo & Co. LLC | COM | 570,000 | 0.24% | 13F |
| Magnetar Financial LLC | COM | 547,868 | 0.23% | 13F |
| BlackRock Inc. | COM | 545,915 | 0.23% | 13F |
| JPMORGAN CHASE & CO | COMMON | 542,335 | 0.23% | 13F |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 526,376 | 0.23% | 13F | |
| CREDIT SUISSE AG/ | COM | 521,727 | 0.22% | 13F |
| CITIGROUP INC (CALL) | COM | 500,600 | 0.21% | 13F |
| SHELL ASSET MANAGEMENT CO | COM | 487,721 | 0.21% | 13F |
| PIONEER INVESTMENT MANAGEMENT INC | COMMSTCK | 485,800 | 0.21% | 13F |
| ING INVESTMENT MANAGEMENT CO | COM | 485,181 | 0.21% | 13F |
| STATE OF WISCONSIN INVESTMENT BOARD | COM | 478,087 | 0.20% | 13F |
| GUGGENHEIM CAPITAL LLC | COM | 476,864 | 0.20% | 13F |
| CHUBB CORP | COM | 450,000 | 0.19% | 13F |
| UNITED SERVICES AUTOMOBILE ASSOCIATION | COMMON | 448,161 | 0.19% | 13F |
| WELLS FARGO & CO/MN | CMNSTOCK | 440,232 | 0.19% | 13F |
| Contour Asset Management LLC (PUT) | COM | 400,000 | 0.17% | 13F |
| PARAMETRIC PORTFOLIO ASSOCIATES | Common Stock | 392,113 | 0.17% | 13F |
| Lingohr & Partner Asset Management GmbH | CS | 370,957 | 0.16% | 13F |
| Lingohr & Partner North America. Inc. | CS | 370,957 | 0.16% | 13F |
| LOEWS CORP | COMMON | 369,550 | 0.16% | 13F |
| Mizuho Trust & Banking Co., Ltd. | COM | 368,792 | 0.16% | 13F |
| UBS AG | COM | 366,570 | 0.16% | 13F |
| HARBERT MANAGEMENT CORP | COM | 340,081 | 0.15% | 13F |
| BlackRock Japan Co. Ltd | COM | 328,936 | 0.14% | 13F |
| PRICE T ROWE ASSOCIATES INC /MD/ | COMM STK | 326,870 | 0.14% | 13F |
| Adage Capital | COM | 315,500 | 0.13% | 13F |
| THOMPSON SIEGEL & WALMSLEY LLC | COM | 307,890 | 0.13% | 13F |
| MACQUARIE GROUP LTD | COMMON STOCK | 304,969 | 0.13% | 13F |
| T2 Partners | COM | 302,006 | 0.13% | 13F |
| TWO SIGMA INVESTMENTS LLC | COM | 294,776 | 0.13% | 13F |
| NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION | COM | 276,883 | 0.12% | 13F |
| TEACHERS ADVISORS INC | COM | 265,630 | 0.11% | 13F |
| Employees Retirement System of Texas | COM | 254,532 | 0.11% | 13F |
| PGGM Investments | COM | 247,632 | 0.11% | 13F |
| HANCOCK HOLDING CO | COM | 232,304 | 0.10% | 13F |
| HIGHLAND CAPITAL MANAGEMENT LP | COM | 230,106 | 0.10% | 13F |
| Manulife Asset Management (North America) Ltd | COM | 223,585 | 0.10% | 13F |
| GREAT WEST LIFE ASSURANCE CO /CAN/ | COM | 214,534 | 0.09% | 13F |
| ROYAL BANK OF CANADA \ | COM | 209,620 | 0.09% | 13F |
| DIAM Co., Ltd. | COM | 208,901 | 0.09% | 13F |
| BMO FINANCIAL CORP | COM | 205,849 | 0.09% | 13F |
| Hudson Bay Capital Management, L.P. (CALL) | COM | 205,600 | 0.09% | 13F |
| MILLENNIUM MANAGEMENT LLC | COM | 198,278 | 0.08% | 13F |
| Korea Investment CORP | COM | 188,400 | 0.08% | 13F |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | COMMON | 186,000 | 0.08% | 13F |
| FIRST QUADRANT L P/CA | COM | 184,774 | 0.08% | 13F |
| IG INVESTMENT MANAGEMENT LTD | COM | 167,760 | 0.07% | 13F |
| Spot Trading L.L.C (PUT) | COM | 167,200 | 0.07% | 13F |
| VIRGINIA RETIREMENT SYSTEMS ET AL | COM | 164,708 | 0.07% | 13F |
| Evercore Wealth Management, LLC | COM | 162,323 | 0.07% | 13F |
| SCHRODER INVESTMENT MANAGEMENT GROUP | COM | 160,694 | 0.07% | 13F |
| Walleye Trading LLC (CALL) | COM | 160,500 | 0.07% | 13F |
| Mountain Lake Investment Management LLC | COM | 156,700 | 0.07% | 13F |
| OPTIMUM INVESTMENT ADVISORS | COM | 147,615 | 0.06% | 13F |
| TD ASSET MANAGEMENT INC | COM | 146,339 | 0.06% | 13F |
| SAC Capital | COMMON | 136,235 | 0.06% | 13F |
| STIFEL NICOLAUS & CO INC \MO\ | COM | 129,870 | 0.06% | 13F |
| Robeco Institutional Asset Management B.V. | COM | 128,745 | 0.06% | 13F |
| OAK ASSOCIATES LTD /OH/ | COM | 120,295 | 0.05% | 13F |
| ING Investment Management (Europe) B.V. | COM | 108,331 | 0.05% | 13F |
| MANUFACTURERES LIFE INSURANCE CO | COM | 105,389 | 0.05% | 13F |
| STATE TREASURER STATE OF MICHIGAN | COM | 104,689 | 0.04% | 13F |
| ROYAL BANK OF SCOTLAND GROUP PLC | COM | 101,486 | 0.04% | 13F |
| Irish Life Investment Managers | COM | 100,348 | 0.04% | 13F |
| Weiss Multi-Strategy Advisers LLC | COM | 100,000 | 0.04% | 13F |
| JEFFERIES GROUP INC /DE/ (CALL) | COM | 100,000 | 0.04% | 13F |
| S&T BANK/PA | COM | 99,377 | 0.04% | 13F |
| COMERICA BANK | COM | 97,050 | 0.04% | 13F |
| AMERICAN INTERNATIONAL GROUP INC | COM | 94,385 | 0.04% | 13F |
| BOGLE INVESTMENT MANAGEMENT L P /DE/ | COM | 92,679 | 0.04% | 13F |
| HSBC HOLDINGS PLC | 91,983 | 0.04% | 13F | |
| Winton Capital Management Ltd | COM | 91,500 | 0.04% | 13F |
| BAIRD ROBERT W & CO INC /WI/ | COMMON | 88,119 | 0.04% | 13F |
| GAM Holding Ltd. | 87,000 | 0.04% | 13F | |
| APG All Pensions Group NV | COM | 86,852 | 0.04% | 13F |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | P COMMON | 85,910 | 0.04% | 13F |
| Bay Hill Capital Management, LLC (PUT) | COM | 85,500 | 0.04% | 13F |
| CREDIT AGRICOLE S A | COM | 81,267 | 0.03% | 13F |
| TWO SIGMA ADVISERS, LLC | COM | 76,060 | 0.03% | 13F |
| REGIONS FINANCIAL CORP | COM | 73,772 | 0.03% | 13F |
| Gargoyle Services L.L.C. | COM | 72,084 | 0.03% | 13F |
| Tinicum Lantern II, LLC | COM | 69,802 | 0.03% | 13F |
| CLARK ESTATES INC/NY | COM | 66,914 | 0.03% | 13F |
| Parallax Volatility Advisers, LLC (PUT) | COM | 66,500 | 0.03% | 13F |
| UNIONBANCAL CORP | COM | 65,890 | 0.03% | 13F |
| ANALYTIC INVESTORS INC/CA | 62,085 | 0.03% | 13F | |
| COMMONWEALTH BANK OF AUSTRALIA | COM | 58,909 | 0.03% | 13F |
| FRONTIER INVESTMENT MGMT CO | COM | 57,595 | 0.02% | 13F |
| MASON STREET ADVISORS LLC | COM | 56,329 | 0.02% | 13F |
| Platinum Management (NY) LLC | COM | 55,500 | 0.02% | 13F |
| Liberty Mutual Group Asset Management Inc. | COM | 55,328 | 0.02% | 13F |
| Luxor Capital Group, LP | COM | 54,682 | 0.02% | 13F |
| NOMURA ASSET MANAGEMENT CO LTD | 52,403 | 0.02% | 13F | |
| Advanced Equities Asset Management, Inc. | COM | 52,091 | 0.02% | 13F |
| MOORE CAPITAL MANAGEMENT, LP | COM | 50,000 | 0.02% | 13F |
| GRUBER & MCBAINE CAPITAL MANAGEMENT LLC | COM | 50,000 | 0.02% | 13F |
| ING GROEP NV | COM | 49,639 | 0.02% | 13F |
| World Asset Management Inc | COM | 49,414 | 0.02% | 13F |
| CAXTON ASSOCIATES LP | COM | 48,930 | 0.02% | 13F |
| MESSNER & SMITH THEME VALUE INVESTMENT MANAGEMENT LTD /CA/ | COM | 47,927 | 0.02% | 13F |
| BNP Paribas Investment Partners S.A. | COM | 47,625 | 0.02% | 13F |
| PINNACLE ASSOCIATES LTD | COM | 46,144 | 0.02% | 13F |
| MACKENZIE FINANCIAL CORP | WESTERN DIGITAL CORP | 45,793 | 0.02% | 13F |
| BRIGHTFIELD CAPITAL MANAGEMENT LLC | COMMON STOCK | 40,000 | 0.02% | 13F |
| ROYAL LONDON ASSET MANAGEMENT LTD | COM | 39,594 | 0.02% | 13F |
| WESTCLIFF CAPITAL MANAGEMENT LLC/CA | COM | 38,622 | 0.02% | 13F |
| FIRST TRUST ADVISORS LP | COM | 38,385 | 0.02% | 13F |
| FIFTH THIRD ASSET MANAGEMENT INC | COM | 37,885 | 0.02% | 13F |
| OMERS ADMINISTRATION CORP | COM | 37,635 | 0.02% | 13F |
| ARONSON & JOHNSON & ORTIZ, LP | COM | 35,700 | 0.02% | 13F |
| CIBC Global Asset Management Inc | COM | 35,143 | 0.02% | 13F |
| BURNEY CO/ | COM | 35,088 | 0.02% | 13F |
| REGENTATLANTIC CAPITAL LLC | COM | 33,276 | 0.01% | 13F |
| BATTERYMARCH FINANCIAL MANAGEMENT INC | COM | 32,474 | 0.01% | 13F |
| SG Americas Securities, LLC | 32,364 | 0.01% | 13F | |
| Placemark Investments, Inc. | COM | 31,915 | 0.01% | 13F |
| Gotham Asset Management, LLC | COM | 31,892 | 0.01% | 13F |
| CITY NATIONAL BANK | COMMON STOCK | 31,671 | 0.01% | 13F |
| GSA CAPITAL PARTNERS LLP | COM | 31,396 | 0.01% | 13F |
| DAI ICHI LIFE INSURANCE CO., LTD. | COM | 30,093 | 0.01% | 13F |
| Arbiter Partners QP, LP (CALL) | 30,000 | 0.01% | 13F | |
| Fort Hoosac Management, LLC (CALL) | 30,000 | 0.01% | 13F | |
| CHICAGO EQUITY PARTNERS LLC | COM | 29,690 | 0.01% | 13F |
| KBC Group NV | COM | 29,252 | 0.01% | 13F |
| ARBITER PARTNERS LP (CALL) | 28,869 | 0.01% | 13F | |
| PAYDEN & RYGEL INVESTMENT GROUP | COM | 28,300 | 0.01% | 13F |
| Timber Hill LLC | COM | 27,228 | 0.01% | 13F |
| HBK INVESTMENTS L P | COM | 25,200 | 0.01% | 13F |
