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Institutional Investment Manager
WESTFIELD CAPITAL MANAGEMENT CO LP
WESTFIELD CAPITAL MANAGEMENT CO LP (CIK: 0001177719) incorporated in Delaware, located at One Financial Center, Boston, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q3)
Original 13F HR (0001085146-14-002222) filed in 2014.11.12
#
Name
Shares
Value ($)
%
Options
Notes
151 JONES LANG LASALLE 546,766 69,078 0.42%
152 JPMORGAN CHASE & CO 2,111,239 127,181 0.78%
153 JUNIPER NETWORKS 1,559,982 34,554 0.21%
154 KAPSTONE PAPER & PACKAGING CRP COM 640,882 17,925 0.11%
155 KATE SPADE & CO 2,009,150 52,700 0.32%
156 KIMBERLY CLARK CORP 18,310 1,970 0.01%
157 LAM RESEARCH CORP 1,511,900 112,939 0.69%
158 LAUDER ESTEE COS INC 1,370,329 102,391 0.63%
159 LIBERTY GLOBAL PLC 1,320,038 54,141 0.33%
160 LINCOLN ELEC HLDGS INC 857,583 59,289 0.36%
161 LITHIA MTRS INC COM 319,220 24,162 0.15%
162 LOCKHEED MARTIN CORP 1,150 210 0.00%
163 LPL FINL HLDGS INC 358,385 16,504 0.10%
164 MALIBU BOATS INCORPORATED COM CLASS A 496,905 9,203 0.06%
165 MARATHON PETE CORP 32,200 2,726 0.02%
166 MARTIN MARIETTA MATLS INC 353,348 45,561 0.28%
167 MASIMO CORP 1,007,740 21,445 0.13%
168 MAXIM INTEGR 75,620 2,287 0.01%
169 MEAD JOHNSON NUTRITI 488,245 46,979 0.29%
170 MEADWESTVACO CORP 788,140 32,266 0.20%
171 MEDICINES CO 16,900 377 0.00%
172 MEDIVATION INC 458,390 45,321 0.28%
173 MERCK & CO INC 17,509 1,038 0.01%
174 METLIFE INC 35,910 1,929 0.01%
175 METTLER-TOLEDO 337,893 86,545 0.53%
176 MICROCHIP TECHNOLOGY 36,480 1,723 0.01%
177 MICROSOFT CORP 4,920,499 228,114 1.39%
178 MILLERKNOLL INC 685,086 20,450 0.12%
179 MOHAWK INDS 105,332 14,201 0.09%
180 MONDELEZ INTL INC 83,329 2,855 0.02%
181 MONSANTO CO NEW 1,408,530 158,474 0.97%
182 MUELLER WTR PRODUCTS INCORPORATED COM SER A 48,200 399 0.00%
183 MWI VETERINARY SUP 837,209 124,242 0.76%
184 Medtronic Inc 50,254 3,113 0.02%
185 NATIONAL GEN HLDGS CORP COM 285,260 4,818 0.03%
186 NATIONAL OILWELL VARCO INC 2,204,449 167,759 1.02%
187 NAVIGATOR HLDGS LTD 680,312 18,933 0.12%
188 NEWMARKET CORP 1,290 492 0.00%
189 NEXSTAR MEDIA GROUP INC 766,938 31,000 0.19%
190 NORD ANGLIA EDUCATION INC 690,664 11,741 0.07%
191 NORFOLK SOUTHERN CORP 600,585 67,025 0.41%
192 NORTHERN TRUST 12,096 823 0.01%
193 NUCOR CORP 42,250 2,293 0.01%
194 NXP SEMICONDUCTORS N V 468,810 32,081 0.20%
195 Nice Systems LTD Sponsored 459,318 18,736 0.11%
196 Nielsen Holdings B.V. 2,487,606 110,276 0.67%
197 OCCIDENTAL PETE CORP DEL 40,030 3,849 0.02%
198 OCERA THERAPEUTICS INC 65,282 320 0.00%
199 OIL STS INTL INC 558,996 34,602 0.21%
200 ON SEMICONDUCTOR CORP 3,414,730 30,528 0.19%
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