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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
101 NAVIGATOR HLDGS LTD 680,312 18,933 0.12%
102 POWER SOLUTIONS INTL INC 279,904 19,313 0.12%
103 SAIA INC COM 395,748 19,613 0.12%
104 RUSH ENTERPRISES INC CL A 590,205 19,742 0.12%
105 WESTERN REFNG INC 481,360 20,212 0.12%
106 DOLLAR GEN CORP NEW 333,010 20,350 0.12%
107 MILLERKNOLL INC 685,086 20,450 0.12%
108 STANDARD PAC CORP 2,760,420 20,676 0.13%
109 HOMEAWAY INC 590,280 20,955 0.13%
110 MASIMO CORP 1,007,740 21,445 0.13%
111 ULTIMATE SOFTWARE GROUP INCORPORATED 151,914 21,497 0.13%
112 INTERXION HOLDING N.V 815,601 22,584 0.14%
113 JETBLUE AIRWAYS CORP 2,136,840 22,693 0.14%
114 SENSATA TECHNOLOGIES HLDG NV 510,090 22,714 0.14%
115 QIAGEN NV 1,025,640 23,354 0.14%
116 Forum Energy Technologies Inc 773,320 23,671 0.14%
117 Intuit Inc 114,339 23,759 0.15%
118 Corp Executive Board Co 395,883 23,781 0.15%
119 WHITEWAVE FOODS CO 658,169 23,911 0.15%
120 LITHIA MTRS INC COM 319,220 24,162 0.15%
121 WERNER ENTERPRISES INC 962,408 24,253 0.15%
122 Royal Gold Inc 1,826,505 24,402 0.15%
123 ITT Corp 547,735 24,615 0.15%
124 STARWOOD HOTELS & RESORTS WORLDWIDE INC COM 297,620 24,765 0.15%
125 ABERCROMBIE & FITCH CO 689,420 25,054 0.15%
126 AKAMAI TECHNOLOGIES INC 422,640 25,274 0.15%
127 Dynavax Techs Cp New 17,675,041 25,275 0.15%
128 SUPERIOR ENERGY SVCS INC 779,985 25,638 0.16%
129 PROTHENA CORP PLC 1,158,395 25,670 0.16%
130 EXAMWORKS GROUP INC COM 794,671 26,025 0.16%
131 HANESBRANDS INC 247,795 26,623 0.16%
132 CHEMTURA CORP 1,155,880 26,967 0.16%
133 BRIGHT HORIZONS FAM SOL IN DEL COM 652,965 27,464 0.17%
134 STIFEL FINANCIAL CP 594,745 27,888 0.17%
135 REGIONS FINANCIAL CORP NEW 2,825,700 28,370 0.17%
136 SHUTTERFLY INC 589,875 28,751 0.18%
137 STERIS PLC 537,601 29,009 0.18%
138 COGENT COMMUNICATIONS HLDGS IN COM NEW 863,435 29,020 0.18%
139 AVANIR PHARMACEUTICALS INC CL 2,439,490 29,079 0.18%
140 EAST WEST BANCORP INC 868,030 29,513 0.18%
141 PRICE T ROWE GROUP INC 379,525 29,755 0.18%
142 QUEST DIAGNOSTICS INC 496,300 30,115 0.18%
143 HEXCEL CORP NEW COM 763,890 30,326 0.19%
144 ON SEMICONDUCTOR CORP 3,414,730 30,528 0.19%
145 WABCO HLDGS INC 340,069 30,929 0.19%
146 NEXSTAR MEDIA GROUP INC 766,938 31,000 0.19%
147 PTC THERAPEUTICS INC 720,980 31,730 0.19%
148 NXP SEMICONDUCTORS N V 468,810 32,081 0.20%
149 MEADWESTVACO CORP 788,140 32,266 0.20%
150 VERTEX PHARMACEUTICALS INC 288,886 32,445 0.20%
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