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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 (2015Q3)
Original 13F HR (0001085146-15-002279) filed in 2015.11.12
#
Name
Shares
Value ($)
%
Options
Notes
101 GENERAL ELECTRIC CO 44,102 1,112 0.01%
102 GENESEE AND WYOMING INC INC CL A 1,035,545 61,180 0.43%
103 GENPACT LIMITED 1,019,362 24,067 0.17%
104 GLAXOSMITHKLINE PLC 156,840 6,030 0.04%
105 GOGO INC 48,350 739 0.01%
106 GOOGLE INC 303,561 184,693 1.31%
107 HARMAN INTL INDS INC 298,808 28,683 0.20%
108 HENRY JACK & ASSOC INC 78,372 5,455 0.04%
109 HEXCEL CORP NEW COM 548,792 24,619 0.17%
110 HOME DEPOT INC 1,355,466 156,543 1.11%
111 HOMEAWAY INC 842,952 22,372 0.16%
112 HUNT J B TRANS SVCS INC 351,825 25,120 0.18%
113 HUNTSMAN CORP 2,199,355 21,312 0.15%
114 HURON CONSULTING 500,914 31,322 0.22%
115 ICON PLC 1,226,480 87,043 0.62%
116 IDEXX LAB 6,400 475 0.00%
117 IHS INC A 671,617 77,908 0.55%
118 INSTALLED BLDG PRODS INC COM 958,674 24,235 0.17%
119 INTEGRA LIFESCIENCES HLDGS CP COM NEW 305,275 18,179 0.13%
120 INTERNATIONAL BUSINESS MACHS 5,288 767 0.01%
121 INTERVAL LEISURE GROUP INC 26,900 494 0.00%
122 ISHARES NASDAQ BIOTECHNOLOGY ETF 302,890 193,356 1.37%
123 ISHARES RUSSELL 2000 GROWTH ETF 9,300 1,246 0.01%
124 ISHARES TR 17,388 1,321 0.01%
125 InterDigital Inc 1,405,131 38,276 0.27%
126 Intuit Inc 151,043 28,718 0.20%
127 JACK IN THE BOX INC 641,178 49,396 0.35%
128 JARDEN CORP 2,959,677 144,669 1.02%
129 JAZZ PHARMACEUTICALS PLC 2,298,726 305,294 2.16%
130 JOHNSON & JOHNSON 11,265 1,052 0.01%
131 JONES LANG LASALLE 283,670 40,783 0.29%
132 KIMBERLY CLARK CORP 36,531 3,983 0.03%
133 KNOLL INC 2,079,962 45,718 0.32%
134 LAM RESEARCH CORP 1,207,589 78,892 0.56%
135 LAUDER ESTEE COS INC 9,925 801 0.01%
136 LENNAR 103,205 4,967 0.04%
137 LENNOX INTL INC 791,324 89,681 0.63%
138 LIBERTY GLOBAL PLC 17,350 712 0.01%
139 LINDBLAD EXPEDITIONS HLDGS I COM 50,800 496 0.00%
140 LITHIA MTRS INC COM 296,013 32,002 0.23%
141 LOCKHEED MARTIN CORP 1,150 238 0.00%
142 LOWES COS INC 2,647,293 182,451 1.29%
143 MACQUARIE INFRASTRUCTURE COR 252,314 18,838 0.13%
144 MANPOWERGROUP INC 720,289 58,984 0.42%
145 MASIMO CORP 647,517 24,968 0.18%
146 MASTERCARD INCORPORATED 1,507,308 135,839 0.96%
147 MATSON INC COM 526,956 20,283 0.14%
148 MAXIM INTEGR 998,925 33,364 0.24%
149 MEDIVATION INC 1,075,846 45,723 0.32%
150 MEDTRONIC PLC 6,276 420 0.00%
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