WESTFIELD CAPITAL MANAGEMENT CO LP Q3 2020 Filing

Filed November 13, 2020

Portfolio Value

$15.4T

Holdings

235

Report Date

Q3 2020

Filing Type

13F-HR

All Holdings (235 positions)

#StockSharesValue% PortfolioType
101
NXPINXP SEMICONDUCTORS N V
393,692$49.1B0.32%
102
AYXEURALTERYX INC
432,279$49.1B0.32%
103
XYZSQUARE INC
298,983$48.6B0.31%
104
BMRNBIOMARIN PHARMACEUTICAL INC
637,080$48.5B0.31%
105
SRPTSAREPTA THERAPEUTICS INC
342,155$48.0B0.31%
106
NVDANVIDIA CORPORATION
88,065$47.7B0.31%
107
LITELUMENTUM HLDGS INC
631,953$47.5B0.31%
108
LRCXEURLAM RESEARCH CORP
140,693$46.7B0.30%
109
CECELANESE CORP DEL
433,871$46.6B0.30%
110
MDBMONGODB INC
200,302$46.4B0.30%
111
CTLTEURCATALENT INC
535,376$45.9B0.30%
112
NUANEURNUANCE COMMUNICATIONS INC
1,368,696$45.4B0.29%
113
EPRTESSENTIAL PPTYS RLTY TR INC
2,401,820$44.0B0.28%
114
FMCF M C CORP
409,369$43.4B0.28%
115
IM8NINSMED INC
1,332,488$42.8B0.28%
116
BURLBURLINGTON STORES INC
204,085$42.1B0.27%
117
RPREALPAGE INC
726,553$41.9B0.27%
118
AMEDAMEDISYS INC
175,519$41.5B0.27%
119
PLANUSDANAPLAN INC
662,075$41.4B0.27%
120
VIAVVIAVI SOLUTIONS INC
3,463,778$40.6B0.26%
121
PFPTPROOFPOINT INC
381,391$40.3B0.26%
122
CHRCHURCHILL DOWNS INC
241,418$39.5B0.26%
123
LULULULULEMON ATHLETICA INC
119,997$39.5B0.26%
124
EYENATIONAL VISION HLDGS INC
1,025,075$39.2B0.25%
125
NBIXNEUROCRINE BIOSCIENCES INC
404,251$38.9B0.25%
126
AIZASSURANT INC
317,881$38.6B0.25%
127
BERYEURBERRY GLOBAL GROUP INC
787,603$38.1B0.25%
128
TXRHTEXAS ROADHOUSE INC
623,739$37.9B0.25%
129
IEXIDEX CORP
203,699$37.2B0.24%
130
LAMRLAMAR ADVERTISING CO NEW
543,585$36.0B0.23%
131
RCKTROCKET PHARMACEUTICALS INC
1,498,493$34.3B0.22%
132
S76STORE CAP CORP
1,247,937$34.2B0.22%
133
RNGRINGCENTRAL INC
123,911$34.0B0.22%
134
SG7SAGE THERAPEUTICS INC
555,473$34.0B0.22%
135
MIMECAST LTD
709,943$33.3B0.22%
136
REXRREXFORD INDL RLTY INC
712,509$32.6B0.21%
137
MYOKARDIA INC
237,991$32.4B0.21%
138
EXPEEXPEDIA GROUP INC
353,782$32.4B0.21%
139
AEISADVANCED ENERGY INDS
512,610$32.3B0.21%
140
MKSIMKS INSTRS INC
290,996$31.8B0.21%
141
SAIASAIA INC
251,619$31.7B0.21%
142
UNFUNIFIRST CORP MASS
166,251$31.5B0.20%
143
PRIPRIMERICA INC
275,412$31.2B0.20%
144
ITWILLINOIS TOOL WKS INC
161,211$31.1B0.20%
145
DAYCERIDIAN HCM HLDG INC
375,940$31.1B0.20%
146
BOTTOMLINE TECH DEL INC
724,605$30.5B0.20%
147
AVLRUSDAVALARA INC
233,947$29.8B0.19%
148
HEIHEICO CORP NEW
331,834$29.4B0.19%
149
STAYUSDEXTENDED STAY AMER INC
2,435,004$29.1B0.19%
150
LPROOPEN LENDING CORP
1,129,387$28.8B0.19%
151
SMARGBPSMARTSHEET INC
582,457$28.8B0.19%
152
TNDMTANDEM DIABETES CARE INC
249,570$28.3B0.18%
153
WNSNWNS HLDGS LTD
438,894$28.1B0.18%
154
WCNWASTE CONNECTIONS INC
267,153$27.7B0.18%
155
RPAYREPAY HLDGS CORP
1,164,269$27.4B0.18%
156
FRCBFIRST REP BK SAN FRANCISCO C
249,292$27.2B0.18%
157
ITTITT INC
450,903$26.6B0.17%
158
TURNING POINT THERAPEUTICS I
302,619$26.4B0.17%
159
SITMSITIME CORP
308,443$25.9B0.17%
160
FFIVF5 NETWORKS INC
209,891$25.8B0.17%
161
NXSTNEXSTAR MEDIA GROUP INC
272,148$24.5B0.16%
162
SIMOSILICON MOTION TECHNOLOGY CO
644,026$24.3B0.16%
163
MTORMERITOR INC
1,158,710$24.3B0.16%
164
ELSEQUITY LIFESTYLE PPTYS INC
391,333$24.0B0.16%
165
AZEKAZEK CO INC
664,281$23.1B0.15%
166
2U INC
674,117$22.8B0.15%
167
HLNEHAMILTON LANE INC
352,640$22.8B0.15%
168
HHC*HOWARD HUGHES CORP
380,167$21.9B0.14%
169
MSAMSA SAFETY INC
161,066$21.6B0.14%
170
KNSLKINSALE CAP GROUP INC
112,733$21.4B0.14%
171
BLBLACKLINE INC
230,768$20.7B0.13%
172
FOURSHIFT4 PMTS INC
422,839$20.4B0.13%
173
PCTYPAYLOCITY HLDG CORP
121,595$19.6B0.13%
174
GOGROCERY OUTLET HLDG CORP
486,069$19.1B0.12%
175
ENVUSDENVESTNET INC
241,658$18.6B0.12%
176
SKYSKYLINE CHAMPION CORPORATION
674,411$18.1B0.12%
177
FATEFATE THERAPEUTICS INC
410,329$16.4B0.11%
178
MXLMAXLINEAR INC
697,179$16.2B0.10%
179
TSAACI WORLDWIDE INC
594,765$15.5B0.10%
180
CHGGCHEGG INC
213,418$15.2B0.10%
181
ABTABBOTT LABS
122,686$13.4B0.09%
182
RGENREPLIGEN CORP
86,003$12.7B0.08%
183
EIDOS THERAPEUTICS INC
239,182$12.1B0.08%
184
GBTUSDGLOBAL BLOOD THERAPEUTICS IN
217,850$12.0B0.08%
185
AVYAVERY DENNISON CORP
87,430$11.2B0.07%
186
DIODDIODES INC
194,289$11.0B0.07%
187
FGENEURFIBROGEN INC
233,196$9.6B0.06%
188
BWINBRP GROUP INC
379,812$9.5B0.06%
189
MSGSMADISON SQUARE GRDN SPRT COR
62,674$9.4B0.06%
190
WMTWALMART INC
61,500$8.6B0.06%
191
GOOGALPHABET INC
5,369$7.9B0.05%
192
SBUXSTARBUCKS CORP
87,996$7.6B0.05%
193
CMCSACOMCAST CORP NEW
151,628$7.0B0.05%
194
DHRDANAHER CORPORATION
32,167$6.9B0.04%
195
JKHYHENRY JACK & ASSOC INC
40,929$6.7B0.04%
196
MRKMERCK & CO. INC
74,499$6.2B0.04%
197
AREALEXANDRIA REAL ESTATE EQ IN
37,750$6.0B0.04%
198
ADTNEURADTRAN INC
556,459$5.7B0.04%
199
BFAMBRIGHT HORIZONS FAM SOL IN D
37,450$5.7B0.04%
200
PEPPEPSICO INC
40,900$5.7B0.04%
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