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Institutional Investment Manager
Boston Partners
Boston Partners (CIK: 0001386060) incorporated in Delaware, located at One Beacon Street, Boston, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q1)
Original 13F HR (0001085146-15-001046) filed in 2015.05.05
#
Name
Shares
Value ($)
%
Options
Notes
1201 WELLS FARGO & CO NEW 1,318,345 71,718 0.11%
1202 WELLS FARGO & CO NEW 2,753,053 149,766 0.22%
1203 WELLS FARGO & CO NEW 20,511,788 1,115,841 1.66%
1204 WERNER ENTERPRISES INC 22,600 710 0.00%
1205 WERNER ENTERPRISES INC 145,430 4,568 0.01%
1206 WESCO AIRCRAFT HLDGS INC COM 333,244 5,105 0.01%
1207 WESCO INTL INC 855,752 59,809 0.09%
1208 WESCO INTL INC 2,398,408 167,625 0.25%
1209 WESTAR ENERGY 1,537,682 59,601 0.09%
1210 WESTAR ENERGY 243,822 9,451 0.01%
1211 WESTERN DIGITAL CORP 1,066,798 97,089 0.14%
1212 WESTERN DIGITAL CORP 6,237,155 567,643 0.85%
1213 WESTERN DIGITAL CORP 206,185 18,765 0.03%
1214 WESTERN REFNG INC 1,916,146 94,638 0.14%
1215 WESTERN REFNG INC 666,289 32,908 0.05%
1216 WESTERN UN CO 167,660 3,489 0.01%
1217 WESTMORELAND COAL CO 24,330 651 0.00%
1218 WHITE MOUNTAINS INSURANCE GRP LTD 68,902 47,165 0.07%
1219 WHITE MOUNTAINS INSURANCE GRP LTD 72,335 49,515 0.07%
1220 WINNEBAGO INDS INC COM 100,860 2,144 0.00%
1221 WINTHROP RLTY TR 474,300 7,741 0.01%
1222 WINTHROP RLTY TR 65,400 1,067 0.00%
1223 WORLD FUEL SVCS CORP 1,309,145 75,250 0.11%
1224 WORLD FUEL SVCS CORP 75,785 4,356 0.01%
1225 WSFS FINL CORPORATION 83,873 6,343 0.01%
1226 WSFS FINL CORPORATION 8,100 613 0.00%
1227 WYNDHAM WORLDWIDE CORP 46,206 4,180 0.01%
1228 Wuxi Pharmatech Inc ADR 50,000 1,939 0.00%
1229 Wuxi Pharmatech Inc ADR 70,000 2,715 0.00%
1230 XCERRA CORP 808,428 7,187 0.01%
1231 XCERRA CORP 111,800 994 0.00%
1232 XL Group plc 1,290,736 47,499 0.07%
1233 XL Group plc 251,693 9,262 0.01%
1234 XL Group plc 7,314,111 269,159 0.40%
1235 XO GROUP INC 142,104 2,511 0.00%
1236 YAHOO INC 382,853 17,012 0.03%
1237 Yadkin Finl Corp Com 344,728 6,998 0.01%
1238 Yadkin Finl Corp Com 47,700 968 0.00%
1239 ZEBRA TECHNOLOGIES CORPORATION CL A 331,327 30,056 0.04%
1240 ZEBRA TECHNOLOGIES CORPORATION CL A 10,266 931 0.00%
1241 ZIMMER BIOMET HLDGS INC 121,796 14,313 0.02%
1242 ZIMMER BIOMET HLDGS INC 324,922 38,185 0.06%
1243 ZIMMER BIOMET HLDGS INC 2,740,186 322,027 0.48%
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