WESTFIELD CAPITAL MANAGEMENT CO LP Q3 2016 Filing

Filed November 10, 2016

Portfolio Value

$12.4T

Holdings

249

Report Date

Q3 2016

Filing Type

13F-HR

All Holdings (249 positions)

#StockSharesValue% PortfolioType
101
RLRALPH LAUREN CORP
415,162$42.0B0.34%
102
ULTIMATE SOFTWARE GROUP INC
204,117$41.7B0.34%
103
TEAM HEALTH HOLDINGS INC
1,267,680$41.3B0.33%
104
AOSSMITH A O
414,993$41.0B0.33%
105
RJFRAYMOND JAMES FINANCIAL INC
695,089$40.5B0.33%
106
WSOWATSCO INC
285,072$40.2B0.32%
107
MIC2EURMACQUARIE INFRASTRUCTURE COR
481,462$40.1B0.32%
108
IPGINTERPUBLIC GROUP COS INC
1,723,062$38.5B0.31%
109
SNISCRIPPS NETWORKS INTERACT IN
596,975$37.9B0.31%
110
LBRDALIBERTY BROADBAND CORP
533,040$37.4B0.30%
111
ELECTRONICS FOR IMAGING INC
752,860$36.8B0.30%
112
BLDRBUILDERS FIRSTSOURCE INC
3,196,956$36.8B0.30%
113
CIENCIENA CORP
1,680,066$36.6B0.30%
114
FBINFORTUNE BRANDS HOME & SEC IN
626,748$36.4B0.29%
115
XRAYDENTSPLY SIRONA INC
607,384$36.1B0.29%
116
NSCNORFOLK SOUTHERN CORP
371,100$36.0B0.29%
117
STWDSTARWOOD PPTY TR INC
1,593,066$35.9B0.29%
118
B/E AEROSPACE INC
690,112$35.7B0.29%
119
AFWALIGN TECHNOLOGY INC
379,485$35.6B0.29%
120
GRA1EURGRACE W R & CO DEL NEW
475,175$35.1B0.28%
121
FRCBFIRST REP BK SAN FRANCISCO C
451,234$34.8B0.28%
122
IARTINTEGRA LIFESCIENCES HLDGS C
419,360$34.6B0.28%
123
3M4MASIMO CORP
575,453$34.2B0.28%
124
ODFLOLD DOMINION FGHT LINES INC
490,415$33.6B0.27%
125
STAGSTAG INDL INC
1,370,140$33.6B0.27%
126
BFAMBRIGHT HORIZONS FAM SOL IN D
496,134$33.2B0.27%
127
PVHPVH CORP
287,905$31.8B0.26%
128
FLSFLOWSERVE CORP
649,800$31.3B0.25%
129
JT5MUELLER WTR PRODS INC
2,481,131$31.1B0.25%
130
FLT1EURFLEETCOR TECHNOLOGIES INC
177,369$30.8B0.25%
131
ZEN1EURZENDESK INC
1,003,275$30.8B0.25%
132
RRYDER SYS INC
463,545$30.6B0.25%
133
BROADSOFT INC
648,679$30.2B0.24%
134
BFHALLIANCE DATA SYSTEMS CORP
139,407$29.9B0.24%
135
AG8AGILENT TECHNOLOGIES INC
626,934$29.5B0.24%
136
LIONS GATE ENTMNT CORP
1,471,630$29.4B0.24%
137
KNOLL INC
1,285,025$29.4B0.24%
138
HRCHILL ROM HLDGS INC
470,723$29.2B0.24%
139
ORLYO REILLY AUTOMOTIVE INC NEW
104,020$29.1B0.24%
140
LULULULULEMON ATHLETICA INC
476,795$29.1B0.23%
141
ALGTALLEGIANT TRAVEL CO
219,183$28.9B0.23%
142
FNFFIDELITY NATIONAL FINANCIAL
777,455$28.7B0.23%
143
STRZSTARZ
919,410$28.7B0.23%
144
ZAYOEURZAYO GROUP HLDGS INC
964,135$28.6B0.23%
145
HURNHURON CONSULTING GROUP INC
473,926$28.3B0.23%
146
MATXMATSON INC
703,681$28.1B0.23%
147
EXPEEXPEDIA INC DEL
239,427$27.9B0.23%
148
MSGSMADISON SQUARE GARDEN CO NEW
157,883$26.7B0.22%
149
HSICSCHEIN HENRY INC
164,110$26.7B0.22%
150
ESNTESSENT GROUP LTD
975,050$25.9B0.21%
151
NSYNICE LTD
381,993$25.6B0.21%
152
WEAWESTERN ALLIANCE BANCORP
673,175$25.3B0.20%
153
CYBRCYBERARK SOFTWARE LTD
507,470$25.2B0.20%
154
ORBOTECH LTD
840,290$24.9B0.20%
155
HASHASBRO INC
302,900$24.0B0.19%
156
HXLHEXCEL CORP NEW
541,016$24.0B0.19%
157
TESORO CORP
297,510$23.7B0.19%
158
RUSHARUSH ENTERPRISES INC
957,842$23.4B0.19%
159
ULTAULTA SALON COSMETCS & FRAG I
98,007$23.3B0.19%
160
DGDOLLAR GEN CORP NEW
323,815$22.7B0.18%
161
SAVESPIRIT AIRLS INC
532,900$22.7B0.18%
162
NORD ANGLIA EDUCATION INC
1,025,600$22.3B0.18%
163
7SUSUMMIT MATLS INC
1,202,905$22.3B0.18%
164
MTZMASTEC INC
748,926$22.3B0.18%
165
PLAYDAVE & BUSTERS ENTMT INC
554,450$21.7B0.18%
166
AMWDAMERICAN WOODMARK CORP
262,878$21.2B0.17%
167
CHUYUSDCHUYS HLDGS INC
757,515$21.2B0.17%
168
ARRIS INTL INC
729,335$20.7B0.17%
169
CVLTCOMMVAULT SYSTEMS INC
385,037$20.5B0.17%
170
CFRCULLEN FROST BANKERS INC
273,256$19.7B0.16%
171
HEIHEICO CORP NEW
317,565$19.2B0.16%
172
OMCLOMNICELL INC
491,816$18.8B0.15%
173
BMRNBIOMARIN PHARMACEUTICAL INC
201,575$18.6B0.15%
174
MKTXMARKETAXESS HLDGS INC
112,411$18.6B0.15%
175
CBRECBRE GROUP INC
661,118$18.5B0.15%
176
ALNYALNYLAM PHARMACEUTICALS INC
271,302$18.4B0.15%
177
FCB FINL HLDGS INC
459,179$17.6B0.14%
178
CEB INC
322,277$17.6B0.14%
179
XLRNACCELERON PHARMA INC
479,885$17.4B0.14%
180
INTERXION HOLDING N.V
470,215$17.0B0.14%
181
SHOPSHOPIFY INC
396,265$17.0B0.14%
182
BCBRUNSWICK CORP
347,066$16.9B0.14%
183
WNSNWNS HOLDINGS LTD
564,040$16.9B0.14%
184
CARDIOME PHARMA CORP
5,397,007$16.9B0.14%
185
BGCPEURBGC PARTNERS INC
1,904,900$16.7B0.13%
186
PRTAPROTHENA CORP PLC
277,150$16.6B0.13%
187
FLEETMATICS GROUP PLC
269,038$16.1B0.13%
188
VERIFONE SYS INC
1,000,632$15.8B0.13%
189
ISLE OF CAPRI CASINOS INC
657,264$14.6B0.12%
190
CHCTCOMMUNITY HEALTHCARE TR INC
631,590$13.8B0.11%
191
FCPTFOUR CORNERS PPTY TR INC
623,065$13.3B0.11%
192
ALDER BIOPHARMACEUTICALS INC
403,075$13.2B0.11%
193
NSANATIONAL STORAGE AFFILIATES
614,141$12.9B0.10%
194
CMCSACOMCAST CORP NEW
190,655$12.6B0.10%
195
HAINHAIN CELESTIAL GROUP INC
312,056$11.1B0.09%
196
APARTMENT INVT & MGMT CO
239,805$11.0B0.09%
197
IPHIINPHI CORP
246,957$10.7B0.09%
198
SITESITEONE LANDSCAPE SUPPLY INC
291,995$10.5B0.08%
199
MRTNMARTEN TRANS LTD
495,989$10.4B0.08%
200
PFPTPROOFPOINT INC
134,409$10.1B0.08%
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