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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 (2016Q1)
Original 13F HR (0001085146-16-003726) filed in 2016.05.13
#
Name
Shares
Value ($)
%
Options
Notes
101 OIL STS INTL INC 764,275 24,090 0.18%
102 HEXCEL CORP NEW COM 561,661 24,550 0.19%
103 HEARTLAND PMT SYS INC 271,917 26,259 0.20%
104 JONES LANG LASALLE INC 231,381 27,146 0.21%
105 BERRY GLOBAL GROUP INC 751,510 27,167 0.21%
106 NICE LTD 420,058 27,216 0.21%
107 MADISON SQUARE GARDEN CO NEW 170,750 28,406 0.22%
108 HURON CONSULTING 488,669 28,436 0.22%
109 EXPEDIA INC DEL 266,211 28,703 0.22%
110 SKYWORKS SOLUTIONS INC 369,103 28,753 0.22%
111 JOHN BEAN TECHNOLOGIES CORP 511,070 28,829 0.22%
112 INSTALLED BLDG PRODS INC 1,084,587 28,861 0.22%
113 AGILENT TECHNOLOGIES INC 724,374 28,866 0.22%
114 NAVIGATOR HLDGS LTD 1,794,667 28,984 0.22%
115 VEEVA SYS INC 1,159,630 29,037 0.22%
116 INTERPUBLIC GROUP COS INC 1,292,392 29,660 0.23%
117 STEELCASE INC 2,092,087 31,214 0.24%
118 JACK IN THE BOX INC 496,733 31,726 0.24%
119 VERIFONE SYS INC 1,127,352 31,836 0.24%
120 CIENA CORP 1,674,520 31,849 0.24%
121 FIRST REP BK SAN FRANCISCO C 478,552 31,891 0.24%
122 MATSON INC COM 796,329 31,989 0.24%
123 ROBERT HALF INTL INC 691,902 32,229 0.25%
124 STARWOOD PPTY TR INC 1,702,551 32,229 0.25%
125 MICROSEMI CORP 847,307 32,460 0.25%
126 SIGNET JEWELERS LIMITED 266,681 33,076 0.25%
127 MEDIVATION INC 730,823 33,603 0.26%
128 BUILDERS FIRSTSOURCE INC COM 3,002,381 33,837 0.26%
129 KELLOGG CO 442,585 33,880 0.26%
130 ZOETIS INC 764,321 33,882 0.26%
131 INTERXION HOLDING N.V 980,920 33,920 0.26%
132 MACQUARIE INFRASTRUCTURE COR 512,605 34,570 0.26%
133 MASIMO CORP 828,904 34,681 0.26%
134 A O SMITH 458,390 34,980 0.27%
135 ELECTRONICS FOR IMAGING INC 826,310 35,027 0.27%
136 RAYMOND JAMES FINANC 737,354 35,105 0.27%
137 CHEMTURA CORP 1,359,455 35,890 0.27%
138 KNOLL INC 1,675,293 36,270 0.28%
139 PACIRA PHARMACEUTICALS INC 693,054 36,718 0.28%
140 BAKER HUGHES INC 838,486 36,751 0.28%
141 DOLLAR GEN CORP NEW 433,205 37,082 0.28%
142 BROADSOFT INC 922,524 37,224 0.28%
143 ARRIS INTL INC 1,652,892 37,884 0.29%
144 BRUNSWICK CORP 794,691 38,129 0.29%
145 INTEGRA LIFESCIENCES HLDGS CP COM NEW 570,355 38,419 0.29%
146 ULTIMATE SOFTWARE GROUP INC COM 205,409 39,747 0.30%
147 ON SEMICONDUCTOR CORP 4,181,285 40,099 0.31%
148 CROWN CASTLE INTL CORP NEW 466,097 40,317 0.31%
149 WATSCO INC 299,903 40,409 0.31%
150 HD SUPPLY 1,231,747 40,734 0.31%
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