WESTFIELD CAPITAL MANAGEMENT CO LP Q4 2020 Filing

Filed February 12, 2021

Portfolio Value

$16.9T

Holdings

247

Report Date

Q4 2020

Filing Type

13F-HR

All Holdings (247 positions)

#StockSharesValue% PortfolioType
101
DYHTARGET CORP
343,314$60.6B0.36%
102
NXPINXP SEMICONDUCTORS N V
371,504$59.1B0.35%
103
HZNPHORIZON THERAPEUTICS PUB L
806,188$59.0B0.35%
104
NUANEURNUANCE COMMUNICATIONS INC
1,313,826$57.9B0.34%
105
BKIEURBLACK KNIGHT INC
653,093$57.7B0.34%
106
SYFSYNCHRONY FINANCIAL
1,625,976$56.4B0.33%
107
PCRXPACIRA BIOSCIENCES INC
926,988$55.5B0.33%
108
AMEDAMEDISYS INC
185,060$54.3B0.32%
109
ITTITT INC
704,805$54.3B0.32%
110
MUMICRON TECHNOLOGY INC
717,918$54.0B0.32%
111
SSNCSS&C TECHNOLOGIES HLDGS INC
741,244$53.9B0.32%
112
CECELANESE CORP DEL
414,661$53.9B0.32%
113
SRCUSDSPIRIT RLTY CAP INC NEW
1,331,461$53.5B0.32%
114
NTNXNUTANIX INC
1,636,106$52.1B0.31%
115
ODFLOLD DOMINION FREIGHT LINE IN
265,879$51.9B0.31%
116
EPRTESSENTIAL PPTYS RLTY TR INC
2,340,469$49.6B0.29%
117
ONON SEMICONDUCTOR CORP
1,513,001$49.5B0.29%
118
MKSIMKS INSTRS INC
328,725$49.5B0.29%
119
BOTTOMLINE TECH DEL INC
928,927$49.0B0.29%
120
WSMWILLIAMS SONOMA INC
478,076$48.7B0.29%
121
LSPDEURLIGHTSPEED POS INC
687,066$48.4B0.29%
122
TURNING POINT THERAPEUTICS I
390,967$47.6B0.28%
123
SRPTSAREPTA THERAPEUTICS INC
279,328$47.6B0.28%
124
PLANUSDANAPLAN INC
652,941$46.9B0.28%
125
FMCFMC CORP
403,984$46.4B0.28%
126
SIMOSILICON MOTION TECHNOLOGY CO
947,119$45.6B0.27%
127
CHRCHURCHILL DOWNS INC
231,108$45.0B0.27%
128
EXPEEXPEDIA GROUP INC
336,126$44.5B0.26%
129
NBIXNEUROCRINE BIOSCIENCES INC
464,086$44.5B0.26%
130
AEISADVANCED ENERGY INDS
454,272$44.1B0.26%
131
SAIASAIA INC
240,639$43.5B0.26%
132
LAMRLAMAR ADVERTISING CO NEW
522,300$43.5B0.26%
133
IM8NINSMED INC
1,278,676$42.6B0.25%
134
BERYEURBERRY GLOBAL GROUP INC
756,948$42.5B0.25%
135
PANWPALO ALTO NETWORKS INC
114,162$40.6B0.24%
136
DAYCERIDIAN HCM HLDG INC
369,710$39.4B0.23%
137
DHID R HORTON INC
568,338$39.2B0.23%
138
MIMECAST LTD
682,658$38.8B0.23%
139
HEIHEICO CORP NEW
327,464$38.3B0.23%
140
MXLMAXLINEAR INC
1,003,631$38.3B0.23%
141
AVLRUSDAVALARA INC
230,655$38.0B0.23%
142
AYXEURALTERYX INC
312,060$38.0B0.23%
143
BURLBURLINGTON STORES INC
141,039$36.9B0.22%
144
PLMRPALOMAR HLDGS INC
414,702$36.8B0.22%
145
TNDMTANDEM DIABETES CARE INC
380,432$36.4B0.22%
146
FOURSHIFT4 PMTS INC
480,809$36.3B0.22%
147
FRCBFIRST REP BK SAN FRANCISCO C
246,383$36.2B0.21%
148
AIZASSURANT INC
263,391$35.9B0.21%
149
STAYUSDEXTENDED STAY AMER INC
2,405,919$35.6B0.21%
150
PRIPRIMERICA INC
263,612$35.3B0.21%
151
HXLHEXCEL CORP NEW
697,395$33.8B0.20%
152
RVLVREVOLVE GROUP INC
1,066,316$33.2B0.20%
153
ITWILLINOIS TOOL WKS INC
162,263$33.1B0.20%
154
SMARGBPSMARTSHEET INC
461,760$32.0B0.19%
155
MTORMERITOR INC
1,139,580$31.8B0.19%
156
SG7SAGE THERAPEUTICS INC
353,603$30.6B0.18%
157
IWOISHARES TR
106,520$30.5B0.18%
158
LPROOPEN LENDING CORP
868,409$30.4B0.18%
159
CRUSCIRRUS LOGIC INC
362,321$29.8B0.18%
160
BLBLACKLINE INC
220,983$29.5B0.17%
161
HHC*HOWARD HUGHES CORP
364,842$28.8B0.17%
162
CAKECHEESECAKE FACTORY INC
773,533$28.7B0.17%
163
RPAYREPAY HLDGS CORP
1,049,859$28.6B0.17%
164
KLICKULICKE & SOFFA INDS INC
897,618$28.6B0.17%
165
CYBRCYBERARK SOFTWARE LTD
169,994$27.5B0.16%
166
PS BUSINESS PKS INC CALIF
202,745$26.9B0.16%
167
2U INC
646,442$25.9B0.15%
168
WCNWASTE CONNECTIONS INC
252,080$25.9B0.15%
169
TXRHTEXAS ROADHOUSE INC
320,421$25.0B0.15%
170
WNSNWNS HLDGS LTD
343,593$24.8B0.15%
171
VIAVVIAVI SOLUTIONS INC
1,650,457$24.7B0.15%
172
BBIOBRIDGEBIO PHARMA INC
346,880$24.7B0.15%
173
KNSLKINSALE CAP GROUP INC
115,936$23.2B0.14%
174
MSAMSA SAFETY INC
154,326$23.1B0.14%
175
FGENEURFIBROGEN INC
591,464$21.9B0.13%
176
TSAACI WORLDWIDE INC
568,940$21.9B0.13%
177
BWINBRP GROUP INC
687,093$20.6B0.12%
178
HLNEHAMILTON LANE INC
263,771$20.6B0.12%
179
CHNGUSDCHANGE HEALTHCARE INC
1,027,856$19.2B0.11%
180
CHGGCHEGG INC
210,923$19.1B0.11%
181
MSGSMADISON SQUARE GRDN SPRT COR
90,469$16.7B0.10%
182
RGENREPLIGEN CORP
82,638$15.8B0.09%
183
FATEFATE THERAPEUTICS INC
159,639$14.5B0.09%
184
AVYAVERY DENNISON CORP
87,430$13.6B0.08%
185
ABTABBOTT LABS
122,451$13.4B0.08%
186
SITMSITIME CORP
114,014$12.8B0.08%
187
MERSANA THERAPEUTICS INC
462,378$12.3B0.07%
188
EIDOS THERAPEUTICS INC
93,422$12.3B0.07%
189
ORBCOMM INC
1,508,604$11.2B0.07%
190
PAYAUSDPAYA HOLDINGS INC
814,803$11.1B0.07%
191
BDTXBLACK DIAMOND THERAPEUTICS I
328,405$10.5B0.06%
192
INVAINNOVIVA INC
838,051$10.4B0.06%
193
ADTNEURADTRAN INC
698,986$10.3B0.06%
194
WMTWALMART INC
61,500$8.9B0.05%
195
GOOGALPHABET INC
4,950$8.7B0.05%
196
CMCSACOMCAST CORP NEW
151,018$7.9B0.05%
197
FICOFAIR ISAAC CORP
14,691$7.5B0.04%
198
DHRDANAHER CORPORATION
32,263$7.2B0.04%
199
AREALEXANDRIA REAL ESTATE EQ IN
37,750$6.7B0.04%
200
JKHYHENRY JACK & ASSOC INC
40,929$6.6B0.04%
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