WESTFIELD CAPITAL MANAGEMENT CO LP Q4 2023 Filing

Filed February 9, 2024

Portfolio Value

$17.2B

Holdings

239

Report Date

Q4 2023

Filing Type

13F-HR

All Holdings (239 positions)

#StockSharesValue% PortfolioType
101
DOOBRP INC
896,344$64.3B374.52%
102
CWSTCASELLA WASTE SYS INC
751,553$64.2B374.34%
103
WINGWINGSTOP INC
250,016$64.1B373.88%
104
SSENTINELONE INC
2,325,714$63.8B371.95%
105
OVVOVINTIV INC
1,447,248$63.6B370.47%
106
OWLBLUE OWL CAPITAL INC
4,251,539$63.3B369.21%
107
WMTWALMART INC
396,796$62.6B364.59%
108
GEHCGE HEALTHCARE TECHNOLOGIES I
807,725$62.5B364.00%
109
DDOGDATADOG INC
511,031$62.0B361.52%
110
BFAMBRIGHT HORIZONS FAM SOL IN D
657,685$62.0B361.24%
111
HAEHAEMONETICS CORP MASS
712,061$60.9B354.88%
112
MKSIMKS INSTRS INC
589,715$60.7B353.57%
113
DECKDECKERS OUTDOOR CORP
90,502$60.5B352.58%
114
PCORPROCORE TECHNOLOGIES INC
871,057$60.3B351.41%
115
MDBMONGODB INC
147,377$60.3B351.19%
116
DKNGDRAFTKINGS INC NEW
1,687,008$59.5B346.59%
117
MNDYMONDAY COM LTD
312,490$58.7B342.05%
118
FOURSHIFT4 PMTS INC
771,545$57.4B334.29%
119
NOGNORTHERN OIL & GAS INC
1,537,719$57.0B332.23%
120
EQIXEQUINIX INC
70,726$57.0B331.99%
121
WCNWASTE CONNECTIONS INC
381,501$56.9B331.90%
122
AXTAAXALTA COATING SYS LTD
1,671,875$56.8B331.01%
123
MCHPMICROCHIP TECHNOLOGY INC.
625,983$56.5B329.02%
124
IEIINSIGHT ENTERPRISES INC
316,766$56.1B327.13%
125
STSENSATA TECHNOLOGIES HLDG PL
1,489,729$56.0B326.21%
126
SCHWSCHWAB CHARLES CORP
813,015$55.9B326.01%
127
AZEKAZEK CO INC
1,462,185$55.9B325.97%
128
PIIMPINJ INC
616,441$55.5B323.46%
129
FANGDIAMONDBACK ENERGY INC
351,914$54.6B318.08%
130
KNSLKINSALE CAP GROUP INC
160,376$53.7B313.05%
131
SBACSBA COMMUNICATIONS CORP NEW
211,594$53.7B312.86%
132
RGENREPLIGEN CORP
294,222$52.9B308.33%
133
CHRCHURCHILL DOWNS INC
376,252$50.8B295.89%
134
FNFABRINET
264,892$50.4B293.84%
135
AVNTAVIENT CORPORATION
1,201,508$49.9B291.10%
136
POOLPOOL CORP
125,017$49.8B290.51%
137
AVGOBROADCOM INC
44,005$49.1B286.29%
138
WDCWESTERN DIGITAL CORP.
925,458$48.5B282.48%
139
AFWALIGN TECHNOLOGY INC
176,345$48.3B281.61%
140
PRIPRIMERICA INC
229,084$47.1B274.73%
141
LULULULULEMON ATHLETICA INC
90,781$46.4B270.52%
142
ALKSALKERMES PLC
1,625,783$45.1B262.85%
143
OKTAOKTA INC
493,029$44.6B260.14%
144
PSTGPURE STORAGE INC
1,246,731$44.5B259.12%
145
WEXWEX INC
228,078$44.4B258.62%
146
TWTRADEWEB MKTS INC
484,355$44.0B256.55%
147
APTVAPTIV PLC
489,663$43.9B256.05%
148
MTSIMACOM TECH SOLUTIONS HLDGS I
460,052$42.8B249.23%
149
DVNDEVON ENERGY CORP NEW
937,848$42.5B247.61%
150
INVAINNOVIVA INC
2,614,127$41.9B244.38%
151
A4SAMERIPRISE FINL INC
109,519$41.6B242.45%
152
ENPHENPHASE ENERGY INC
310,789$41.1B239.35%
153
AAONAAON INC
553,545$40.9B238.32%
154
MQMARQETA INC
5,814,628$40.6B236.55%
155
TRUTRANSUNION
583,194$40.1B233.55%
156
LYVLIVE NATION ENTERTAINMENT IN
422,690$39.6B230.59%
157
ZBRAZEBRA TECHNOLOGIES CORPORATI
141,543$38.7B225.49%
158
BAHBOOZ ALLEN HAMILTON HLDG COR
301,128$38.5B224.49%
159
RRXREGAL REXNORD CORPORATION
255,153$37.8B220.12%
160
PTENPATTERSON-UTI ENERGY INC
3,431,648$37.1B216.00%
161
MLTXMOONLAKE IMMUNOTHERAPEUTICS
612,050$37.0B215.42%
162
REXRREXFORD INDL RLTY INC
639,984$35.9B209.26%
163
HALHALLIBURTON CO
967,163$35.0B203.77%
164
KLICKULICKE & SOFFA INDS INC
620,124$33.9B197.77%
165
STAGSTAG INDL INC
861,268$33.8B197.07%
166
CERE1EURCEREVEL THERAPEUTICS HLDNG I
785,494$33.3B194.11%
167
PLXSPLEXUS CORP
298,262$32.3B187.97%
168
WF2WINTRUST FINL CORP
337,107$31.3B182.23%
169
CCCCCC INTELLIGENT SOLUTIONS HL
2,711,038$30.9B179.97%
170
LSCCLATTICE SEMICONDUCTOR CORP
442,018$30.5B177.73%
171
OLEDUNIVERSAL DISPLAY CORP
159,153$30.4B177.41%
172
CALXCALIX INC
681,620$29.8B173.56%
173
LITELUMENTUM HLDGS INC
566,100$29.7B172.95%
174
ACLSAXCELIS TECHNOLOGIES INC
212,888$27.6B160.91%
175
APY1EURCHAMPIONX CORPORATION
891,381$26.0B151.75%
176
PLMRPALOMAR HLDGS INC
460,545$25.6B148.97%
177
SIMOSILICON MOTION TECHNOLOGY CO
408,149$25.0B145.75%
178
NXTNEXTRACKER INC
463,082$21.7B126.45%
179
CAMTCAMTEK LTD
284,845$19.8B115.18%
180
ETNBGBP89BIO INC
1,761,148$19.7B114.66%
181
HLITHARMONIC INC
1,476,793$19.3B112.24%
182
BCYCBICYCLE THERAPEUTICS PLC
917,304$16.6B96.66%
183
CBAYUSDCYMABAY THERAPEUTICS INC
700,056$16.5B96.37%
184
IBMINTERNATIONAL BUSINESS MACHS
92,046$15.1B87.74%
185
SMCIUSDSUPER MICRO COMPUTER INC
46,259$13.1B76.64%
186
MURAL ONCOLOGY PUB LTD CO
1,985,886$11.8B68.52%
187
XENEXENON PHARMACEUTICALS INC
237,495$10.9B63.76%
188
GOOGALPHABET INC
73,886$10.4B60.68%
189
TMOTHERMO FISHER SCIENTIFIC INC
19,062$10.1B58.97%
190
KOCOCA COLA CO
167,638$9.9B57.57%
191
MRKMERCK & CO INC
87,626$9.6B55.67%
192
CSCOCISCO SYS INC
182,299$9.2B53.67%
193
GILDGILEAD SCIENCES INC
100,981$8.2B47.68%
194
CITCINTAS CORP
13,323$8.0B46.80%
195
NXPINXP SEMICONDUCTORS N V
34,861$8.0B46.66%
196
MLIMUELLER INDS INC
159,130$7.5B43.72%
197
BACBANK AMERICA CORP
214,916$7.2B42.17%
198
NYCBEURNEW YORK CMNTY BANCORP INC
705,254$7.2B42.05%
199
WSMWILLIAMS SONOMA INC
35,054$7.1B41.22%
200
LENLENNAR CORP
45,417$6.8B39.45%
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