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Stock Information

Ownership Profile

Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 1,108 22,243 85.54 252,492,494
Mutual Fund 1,739 10,045 39.57 116,808,060
Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 549 3,262 12.61 37,225,562
Sellers 475 -2,796 10.77 -31,777,069
Net -- 466 1.84 5,448,493
Institutional Shareholder Concentration
    Values ($) % O/S Shares
Top 10 Inst.   8,588 32.84 96,928,782
Top 20 Inst.   11,124 42.54 125,557,804
Top 50 Inst.   14,832 56.93 168,049,301
Total Inst.   14,832 56.93 168,049,301
Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Index 57 6,774 25.91 76,472,412
AggresGr 13 285 1.09 3,222,373
CoreGrowth 214 3,448 13.22 39,027,845
Growth 54 384 1.49 4,392,658
IncomeValue 19 222 0.86 2,525,431
Yield 25 218 0.83 2,456,880
BrokerDealer 36 924 3.53 10,433,110
GARP 139 3,591 13.81 40,749,360
HedgeFund 100 1,520 5.87 17,321,718
SectorSpecific 1 2 0.02 49,214
Specialty 11 134 0.51 1,510,969
CoreValue 153 3,451 13.43 39,652,799
DeepValue 35 671 2.59 7,647,192
Momentum 1 6 0.02 72,511
Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
The Vanguard Group, Inc. 29,942,849 10.14 1,201,394 06/30/2017
BlackRock Institutional Trust Company, N.A. 13,752,870 4.66 525,649 06/30/2017
State Street Global Advisors (US) 11,788,385 3.99 -639,379 06/30/2017
Capital World Investors 11,503,408 3.90 11,503,408 06/30/2017
ClearBridge Investments, LLC 9,345,745 3.17 -415,720 06/30/2017
Iridian Asset Management LLC 5,641,706 1.91 100,195 06/30/2017
Columbia Threadneedle Investments (US) 4,443,866 1.51 405,293 06/30/2017
T. Rowe Price Associates, Inc. 4,182,034 1.42 188,519 06/30/2017
LSV Asset Management 3,167,416 1.07 -4,299 06/30/2017
Geode Capital Management, L.L.C. 3,160,503 1.07 129,139 06/30/2017
Fidelity Management & Research Company 3,093,403 1.05 -2,215,466 06/30/2017
Lyrical Asset Management LP 3,084,304 1.04 423,346 06/30/2017
OppenheimerFunds, Inc. 3,040,839 1.03 -195,788 06/30/2017
Dimensional Fund Advisors, L.P. 3,003,895 1.02 24,920 06/30/2017
Artemis Investment Management LLP 2,882,782 0.98 593,604 06/30/2017
Fred Alger Management, Inc. 2,821,595 0.96 593,869 06/30/2017
Citadel LLC 2,788,368 0.94 -402,134 06/30/2017
Nuveen LLC 2,724,549 0.92 -88,871 06/30/2017
Neuberger Berman, LLC 2,619,287 0.89 -438,932 06/30/2017
Appaloosa Management, L.P. 2,570,000 0.87 1,270,000 06/30/2017
Norges Bank Investment Management (NBIM) 2,476,879 0.84 -281,661 12/31/2016
Invesco PowerShares Capital Management LLC 2,364,754 0.80 -295,126 06/30/2017
Northern Trust Investments, Inc. 2,212,536 0.75 -9,282 06/30/2017
Janus Henderson Investors 1,994,833 0.68 167,022 06/30/2017
Victory Capital Management Inc. 1,920,792 0.65 122,064 06/30/2017
TCW Asset Management Company 1,745,630 0.59 -336,639 06/30/2017
Bank of America Merrill Lynch (US) 1,581,444 0.54 441,356 06/30/2017
Discovery Capital Management, LLC 1,576,089 0.53 783,589 06/30/2017
Wells Fargo Advisors 1,570,193 0.53 -125,498 06/30/2017
Cornerstone Investment Partners, LLC 1,559,712 0.53 639,298 09/30/2017
Goldman Sachs & Company, Inc. 1,489,897 0.50 259,207 06/30/2017
BlackRock Investment Management (UK) Ltd. 1,470,720 0.50 33,505 06/30/2017
AQR Capital Management, LLC 1,468,103 0.50 1,203,187 06/30/2017
Legal & General Investment Management Ltd. 1,450,391 0.49 124,510 06/30/2017
New York State Common Retirement Fund 1,373,004 0.47 -139,384 06/30/2017
Amerigo Asset Management 1,337,159 0.45 -1,034,242 06/30/2017
Mellon Capital Management Corporation 1,254,257 0.42 -89,471 06/30/2017
AllianceBernstein L.P. 1,225,415 0.42 -394,539 06/30/2017
Capital International Investors 1,200,000 0.41 1,200,000 09/30/2017
PRIMECAP Management Company 1,124,096 0.38 -10,688 06/30/2017
Charles Schwab Investment Management, Inc. 1,065,412 0.36 76,581 06/30/2017
Schweizerische Nationalbank 1,051,863 0.36 40,300 06/30/2017
Boston Partners 1,043,214 0.35 41,352 06/30/2017
St. Denis J. Villere & Company, LLC 1,030,918 0.35 7,238 06/30/2017
UBS Asset Management (Switzerland) 1,013,793 0.34 76,180 06/30/2017
Managed Account Advisors LLC 1,003,948 0.34 -161,129 06/30/2017
New Jersey Division of Investment 996,209 0.34 -28,000 06/30/2017
APG Asset Management 976,321 0.33 -218,388 06/30/2017
Sumitomo Mitsui Trust Bank, Limited 959,327 0.32 94,140 06/30/2017
BlackRock Asset Management Ireland Limited 954,588 0.32 28,317 06/30/2017

Ownership data is provided by Thomson Reuters, a third party service, and Western Digital Corporation does not maintain or provide information directly to this service.