WESTFIELD CAPITAL MANAGEMENT CO LP Q3 2023 Filing

Filed November 13, 2023

Portfolio Value

$14.7B

Holdings

234

Report Date

Q3 2023

Filing Type

13F-HR

All Holdings (234 positions)

#StockSharesValue% PortfolioType
101
NOGNORTHERN OIL & GAS INC
1,406,271$56.6B385.36%
102
OKTAOKTA INC
690,334$56.3B383.28%
103
PIIMPINJ INC
1,022,359$56.3B383.22%
104
RRRRED ROCK RESORTS INC
1,354,249$55.5B378.21%
105
COOCOOPER COS INC
173,324$55.1B375.44%
106
PRPERMIAN RESOURCES CORP
3,921,499$54.7B372.90%
107
ZSZSCALER INC
346,083$53.8B366.79%
108
AMDADVANCED MICRO DEVICES INC
516,866$53.1B362.00%
109
GEHCGE HEALTHCARE TECHNOLOGIES I
780,145$53.1B361.57%
110
3M4MASIMO CORP
603,681$52.9B360.54%
111
TWTRADEWEB MKTS INC
656,485$52.6B358.63%
112
BFAMBRIGHT HORIZONS FAM SOL IN D
646,208$52.6B358.56%
113
CSGPCOSTAR GROUP INC
667,521$51.3B349.61%
114
PCVXVAXCYTE INC
1,003,916$51.2B348.61%
115
WNSNWNS HLDGS LTD
741,793$50.8B345.91%
116
HAEHAEMONETICS CORP MASS
559,963$50.2B341.68%
117
WCNWASTE CONNECTIONS INC
372,284$50.0B340.56%
118
SRCUSDSPIRIT RLTY CAP INC NEW
1,483,413$49.7B338.80%
119
MDBMONGODB INC
143,368$49.6B337.75%
120
ANETEURARISTA NETWORKS INC
268,368$49.4B336.22%
121
TECHBIO-TECHNE CORP
699,662$47.6B324.40%
122
APTVAPTIV PLC
477,636$47.1B320.76%
123
ALKSALKERMES PLC
1,669,613$46.8B318.55%
124
VRTVERTIV HOLDINGS CO
1,249,534$46.5B316.62%
125
BAHBOOZ ALLEN HAMILTON HLDG COR
425,074$46.4B316.38%
126
KNSLKINSALE CAP GROUP INC
110,862$45.9B312.73%
127
CWSTCASELLA WASTE SYS INC
591,703$45.1B307.52%
128
DDOGDATADOG INC
493,343$44.9B306.10%
129
POOLPOOL CORP
121,201$43.2B293.98%
130
PRIPRIMERICA INC
219,886$42.7B290.58%
131
MTHMERITAGE HOMES CORP
340,662$41.7B284.00%
132
FANGDIAMONDBACK ENERGY INC
264,791$41.0B279.34%
133
IOTSAMSARA INC
1,613,516$40.7B277.07%
134
COLDAMERICOLD REALTY TRUST INC
1,332,669$40.5B276.05%
135
NTAPNETAPP INC
533,589$40.5B275.79%
136
ACLSAXCELIS TECHNOLOGIES INC
247,928$40.4B275.35%
137
CABOCABLE ONE INC
65,140$40.1B273.16%
138
RGENREPLIGEN CORP
244,495$38.9B264.82%
139
FOURSHIFT4 PMTS INC
693,578$38.4B261.59%
140
PTENPATTERSON-UTI ENERGY INC
2,684,388$37.2B253.06%
141
AAONAAON INC
639,906$36.4B247.88%
142
WINGWINGSTOP INC
200,068$36.0B245.08%
143
WEXWEX INC
191,172$36.0B244.93%
144
AXTAAXALTA COATING SYS LTD
1,322,683$35.6B242.36%
145
FNFABRINET
208,550$34.7B236.69%
146
AZEKAZEK CO INC
1,168,290$34.7B236.66%
147
CHRCHURCHILL DOWNS INC
297,025$34.5B234.77%
148
LYVLIVE NATION ENTERTAINMENT IN
412,241$34.2B233.18%
149
PSTGPURE STORAGE INC
954,503$34.0B231.59%
150
STSENSATA TECHNOLOGIES HLDG PL
888,854$33.6B228.98%
151
AVNTAVIENT CORPORATION
949,317$33.5B228.39%
152
ESSESSEX PPTY TR INC
149,886$31.8B216.53%
153
SSENTINELONE INC
1,885,443$31.8B216.53%
154
MDRXVERADIGM INC
2,401,754$31.6B214.97%
155
CALXCALIX INC
679,187$31.1B212.07%
156
MQMARQETA INC
5,074,757$30.3B206.71%
157
HALHALLIBURTON CO
748,936$30.3B206.60%
158
STEPSTEPSTONE GROUP INC
913,069$28.8B196.41%
159
OLEDUNIVERSAL DISPLAY CORP
177,304$27.8B189.59%
160
INVAINNOVIVA INC
2,045,010$26.6B180.94%
161
APY1EURCHAMPIONX CORPORATION
700,453$24.9B169.95%
162
STAGSTAG INDL INC
691,212$23.9B162.48%
163
KLICKULICKE & SOFFA INDS INC
487,571$23.7B161.50%
164
SMCIUSDSUPER MICRO COMPUTER INC
85,662$23.5B160.00%
165
MLTXMOONLAKE IMMUNOTHERAPEUTICS
391,279$22.3B151.91%
166
PLMRPALOMAR HLDGS INC
433,346$22.0B149.80%
167
CERE1EURCEREVEL THERAPEUTICS HLDNG I
974,483$21.3B144.90%
168
APLSAPELLIS PHARMACEUTICALS INC
548,870$20.9B142.22%
169
AVGOBROADCOM INC
24,978$20.7B141.31%
170
ETNBGBP89BIO INC
1,311,886$20.3B137.97%
171
WCCWESCO INTL INC
117,245$16.9B114.86%
172
CRSPCRISPR THERAPEUTICS AG
297,550$13.5B91.99%
173
PLXSPLEXUS CORP
142,815$13.3B90.44%
174
IBMINTERNATIONAL BUSINESS MACHS
90,209$12.7B86.21%
175
CAMTCAMTEK LTD
194,237$12.1B82.37%
176
TMOTHERMO FISHER SCIENTIFIC INC
21,481$10.9B74.06%
177
GOOGALPHABET INC
82,119$10.8B73.75%
178
CSCOCISCO SYS INC
178,499$9.6B65.36%
179
PEPPEPSICO INC
54,876$9.3B63.33%
180
MRKMERCK & CO INC
86,820$8.9B60.88%
181
CCCCCC INTELLIGENT SOLUTIONS HL
651,234$8.7B59.21%
182
KOCOCA COLA CO
147,185$8.2B56.12%
183
GILDGILEAD SCIENCES INC
98,888$7.4B50.47%
184
ITWILLINOIS TOOL WKS INC
30,918$7.1B48.50%
185
EQIXEQUINIX INC
9,703$7.0B47.99%
186
NKENIKE INC
72,376$6.9B47.14%
187
NXPINXP SEMICONDUCTORS N V
34,132$6.8B46.48%
188
BOXBOX INC
281,225$6.8B46.37%
189
DHRDANAHER CORPORATION
27,235$6.8B46.03%
190
ADIANALOG DEVICES INC
37,700$6.6B44.96%
191
CITCINTAS CORP
13,057$6.3B42.78%
192
HSYHERSHEY CO
30,629$6.1B41.74%
193
CVXCHEVRON CORP NEW
35,560$6.0B40.84%
194
CMICUMMINS INC
25,745$5.9B40.06%
195
BACBANK AMERICA CORP
210,086$5.8B39.18%
196
ELSEQUITY LIFESTYLE PPTYS INC
89,702$5.7B38.92%
197
MLIMUELLER INDS INC
74,142$5.6B37.95%
198
MTDMETTLER TOLEDO INTERNATIONAL
4,926$5.5B37.18%
199
ARMARM HOLDINGS PLC
100,850$5.4B36.76%
200
OGM1COGENT COMMUNICATIONS HLDGS
86,681$5.4B36.54%
PreviousPage 2 of 3Next