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Stock Information

Ownership Profile

Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 1,097 22,172 86.48 251,867,676
Mutual Fund 1,705 9,942 40.11 116,817,149
Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 535 3,186 12.50 36,411,515
Sellers 533 -2,981 11.69 -34,041,346
Net -- 205 0.81 2,370,169
Institutional Shareholder Concentration
    Values ($) % O/S Shares
Top 10 Inst.   8,588 33.28 96,928,782
Top 20 Inst.   11,124 43.11 125,557,804
Top 50 Inst.   14,757 57.39 167,134,934
Total Inst.   14,757 57.39 167,134,934
Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Index 58 6,752 26.17 76,211,207
AggresGr 12 282 1.09 3,186,218
CoreGrowth 210 3,426 13.32 38,799,608
Growth 54 347 1.35 3,933,320
IncomeValue 19 222 0.87 2,525,772
Yield 25 217 0.84 2,453,093
BrokerDealer 36 924 3.58 10,432,857
GARP 138 3,674 14.35 41,784,323
HedgeFund 101 1,512 5.91 17,223,084
SectorSpecific 1 2 0.02 49,214
Specialty 11 133 0.52 1,501,385
CoreValue 148 3,072 12.13 35,336,007
DeepValue 37 718 2.82 8,226,092
Momentum 2 7 0.03 82,511
Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
The Vanguard Group, Inc. 29,942,849 10.28 1,201,394 06/30/2017
BlackRock Institutional Trust Company, N.A. 13,752,870 4.72 525,649 06/30/2017
State Street Global Advisors (US) 11,788,385 4.05 -639,379 06/30/2017
Capital World Investors 11,503,408 3.95 11,503,408 06/30/2017
ClearBridge Investments, LLC 9,345,745 3.21 -415,720 06/30/2017
Iridian Asset Management LLC 5,641,706 1.94 100,195 06/30/2017
Columbia Threadneedle Investments (US) 4,443,866 1.53 405,293 06/30/2017
T. Rowe Price Associates, Inc. 4,182,034 1.44 188,519 06/30/2017
LSV Asset Management 3,167,416 1.09 -4,299 06/30/2017
Geode Capital Management, L.L.C. 3,160,503 1.09 129,139 06/30/2017
Fidelity Management & Research Company 3,093,403 1.06 -2,215,466 06/30/2017
Lyrical Asset Management LP 3,084,304 1.06 423,346 06/30/2017
OppenheimerFunds, Inc. 3,040,839 1.04 -195,788 06/30/2017
Dimensional Fund Advisors, L.P. 3,003,895 1.03 24,920 06/30/2017
Artemis Investment Management LLP 2,882,782 0.99 593,604 06/30/2017
Fred Alger Management, Inc. 2,821,595 0.97 593,869 06/30/2017
Citadel LLC 2,788,368 0.96 -402,134 06/30/2017
Nuveen LLC 2,724,549 0.94 -88,871 06/30/2017
Neuberger Berman, LLC 2,619,287 0.90 -438,932 06/30/2017
Appaloosa Management, L.P. 2,570,000 0.88 1,270,000 06/30/2017
Norges Bank Investment Management (NBIM) 2,476,879 0.85 -281,661 12/31/2016
Invesco PowerShares Capital Management LLC 2,364,754 0.81 -295,126 06/30/2017
Northern Trust Investments, Inc. 2,212,536 0.76 -9,282 06/30/2017
Janus Henderson Investors 1,994,833 0.68 1,164,954 06/30/2017
Victory Capital Management Inc. 1,920,792 0.66 122,064 06/30/2017
TCW Asset Management Company 1,745,630 0.60 -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 0.54 783,589 06/30/2017
Wells Fargo Advisors 1,570,193 0.54 -125,498 06/30/2017
Goldman Sachs & Company, Inc. 1,489,897 0.51 259,207 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 0.50 124,510 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 0.46 -1,034,242 06/30/2017
Mellon Capital Management Corporation 1,254,257 0.43 -89,471 06/30/2017
AllianceBernstein L.P. 1,225,415 0.42 -394,539 06/30/2017
PRIMECAP Management Company 1,124,096 0.39 -10,688 06/30/2017
Charles Schwab Investment Management, Inc. 1,065,412 0.37 76,581 06/30/2017
Schweizerische Nationalbank 1,051,863 0.36 40,300 06/30/2017
Boston Partners 1,043,214 0.36 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 0.35 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 0.34 -218,388 06/30/2017
Sumitomo Mitsui Trust Bank, Limited 959,327 0.33 94,140 06/30/2017
BlackRock Asset Management Ireland Limited 954,588 0.33 28,317 06/30/2017
UBS Asset Management (Americas), Inc. 923,155 0.32 70,125 06/30/2017
Wells Fargo Bank, N.A. 922,190 0.32 586,340 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.