WESTFIELD CAPITAL MANAGEMENT CO LP Q2 2025 Filing

Filed August 12, 2025

Portfolio Value

$23.8B

Holdings

239

Report Date

Q2 2025

Filing Type

13F-HR

All Holdings (239 positions)

#StockSharesValue% PortfolioType
101
RRRRED ROCK RESORTS INC
1,339,886$69.7B292.38%
102
COHRCOHERENT CORP
774,235$69.1B289.68%
103
PRIPRIMERICA INC
250,151$68.5B287.11%
104
MDBMONGODB INC
325,233$68.3B286.43%
105
SPOTSPOTIFY TECHNOLOGY S A
88,931$68.2B286.20%
106
CARTMAPLEBEAR INC
1,482,228$67.1B281.23%
107
FOURSHIFT4 PMTS INC
676,228$67.0B281.08%
108
PODDINSULET CORP
212,749$66.8B280.33%
109
DSGDESCARTES SYS GROUP INC
649,631$66.0B276.94%
110
TWTRADEWEB MKTS INC
447,615$65.5B274.83%
111
HLTHILTON WORLDWIDE HLDGS INC
245,371$65.4B274.08%
112
VEEVVEEVA SYS INC
226,569$65.2B273.65%
113
VMCVULCAN MATLS CO
248,683$64.9B272.03%
114
PWRQUANTA SVCS INC
170,057$64.3B269.65%
115
PLMRPALOMAR HLDGS INC
407,936$62.9B263.90%
116
WCNWASTE CONNECTIONS INC
335,019$62.6B262.35%
117
HLIHOULIHAN LOKEY INC
345,524$62.2B260.77%
118
RMBS*RAMBUS INC DEL
962,419$61.6B258.41%
119
WIXWIX COM LTD
385,952$61.2B256.49%
120
ALNYALNYLAM PHARMACEUTICALS INC
186,905$60.9B255.61%
121
RVMDREVOLUTION MEDICINES INC
1,649,404$60.7B254.50%
122
PSTGPURE STORAGE INC
1,033,724$59.5B249.63%
123
MLTXMOONLAKE IMMUNOTHERAPEUTICS
1,259,376$59.4B249.30%
124
BFAMBRIGHT HORIZONS FAM SOL IN D
471,627$58.3B244.46%
125
CVLTCOMMVAULT SYS INC
333,753$58.2B244.02%
126
OKTAOKTA INC
570,323$57.0B239.12%
127
KNSLKINSALE CAP GROUP INC
117,394$56.8B238.25%
128
SNPSSYNOPSYS INC
108,571$55.7B233.44%
129
ORLYOREILLY AUTOMOTIVE INC
612,389$55.2B231.48%
130
WDCWESTERN DIGITAL CORP
862,236$55.2B231.40%
131
WF2WINTRUST FINL CORP
440,858$54.7B229.23%
132
CSXCSX CORP
1,673,055$54.6B228.96%
133
WGSGENEDX HOLDINGS CORP
589,188$54.4B228.10%
134
TLNTALEN ENERGY CORP
186,558$54.2B227.50%
135
AXTAAXALTA COATING SYS LTD
1,808,608$53.7B225.21%
136
FITBFIFTH THIRD BANCORP
1,279,918$52.6B220.78%
137
BWINTHE BALDWIN INSURANCE GRP IN
1,225,948$52.5B220.11%
138
JT5MUELLER WTR PRODS INC
2,166,945$52.1B218.48%
139
AITAPPLIED INDL TECHNOLOGIES IN
220,640$51.3B215.10%
140
VRNAVERONA PHARMA PLC
539,813$51.1B214.13%
141
PRIMPRIMORIS SVCS CORP
654,223$51.0B213.85%
142
FTITECHNIPFMC PLC
1,475,941$50.8B213.19%
143
AVNTAVIENT CORPORATION
1,560,102$50.4B211.40%
144
ICLRICON PLC
345,828$50.3B210.96%
145
BURLBURLINGTON STORES INC
213,644$49.7B208.45%
146
NOGNORTHERN OIL & GAS INC
1,740,304$49.3B206.92%
147
CRDOCREDO TECHNOLOGY GROUP HOLDI
528,378$48.9B205.18%
148
LECOLINCOLN ELEC HLDGS INC
233,123$48.3B202.70%
149
AFRMAFFIRM HLDGS INC
698,779$48.3B202.63%
150
EWBCEAST WEST BANCORP INC
471,928$47.7B199.86%
151
CPRTCOPART INC
967,903$47.5B199.19%
152
XPOXPO INC
375,621$47.4B198.95%
153
SAIASAIA INC
173,095$47.4B198.90%
154
GEHCGE HEALTHCARE TECHNOLOGIES I
631,183$46.8B196.08%
155
FANGDIAMONDBACK ENERGY INC
336,693$46.3B194.02%
156
PRPERMIAN RESOURCES CORP
3,348,130$45.6B191.25%
157
BRZEBRAZE INC
1,600,304$45.0B188.60%
158
JBHTHUNT J B TRANS SVCS INC
312,949$44.9B188.47%
159
IRTCIRHYTHM TECHNOLOGIES INC
290,570$44.7B187.62%
160
CLHCLEAN HARBORS INC
192,259$44.4B186.41%
161
ENQENTEGRIS INC
545,688$44.0B184.58%
162
MCXMCCORMICK & CO INC
556,692$42.2B177.02%
163
FLRFLUOR CORP NEW
818,396$42.0B175.98%
164
ANFABERCROMBIE & FITCH CO
505,574$41.9B175.67%
165
TEAMATLASSIAN CORPORATION
205,968$41.8B175.43%
166
CLSCELESTICA INC
256,447$40.0B167.90%
167
INTAINTAPP INC
748,884$38.7B162.13%
168
XENEXENON PHARMACEUTICALS INC
1,152,605$36.1B151.30%
169
ALKTALKAMI TECHNOLOGY INC
1,190,584$35.9B150.50%
170
HOODROBINHOOD MKTS INC
382,981$35.9B150.39%
171
ONTOONTO INNOVATION INC
351,064$35.4B148.60%
172
CORZCORE SCIENTIFIC INC NEW
1,982,653$33.8B141.94%
173
BUWABIO RAD LABS INC
139,505$33.7B141.19%
174
GENIGENIUS SPORTS LIMITED
3,202,135$33.3B139.67%
175
TRGPTARGA RES CORP
191,069$33.3B139.50%
176
ETNBGBP89BIO INC
3,370,817$33.1B138.83%
177
IONQIONQ INC
671,627$28.9B121.04%
178
SPXCSPX TECHNOLOGIES INC
137,019$23.0B96.36%
179
AVYAVERY DENNISON CORP
113,903$20.0B83.82%
180
RIOTRIOT PLATFORMS INC
1,730,296$19.6B82.00%
181
BCYCBICYCLE THERAPEUTICS PLC
2,780,491$19.3B81.05%
182
LRNSTRIDE INC
126,656$18.4B77.12%
183
CALXCALIX INC
291,149$15.5B64.95%
184
MLIMUELLER INDS INC
151,701$12.1B50.56%
185
CITCINTAS CORP
51,358$11.4B48.00%
186
KOCOCA COLA CO
161,050$11.4B47.79%
187
WMBWILLIAMS COS INC
177,318$11.1B46.71%
188
GOOGALPHABET INC
56,758$10.1B42.23%
189
A4SAMERIPRISE FINL INC
17,476$9.3B39.12%
190
STAGSTAG INDL INC
235,683$8.6B35.86%
191
MUFGMITSUBISHI UFJ FINL GROUP IN
609,995$8.4B35.10%
192
SMFGSUMITOMO MITSUI FINL GROUP I
541,882$8.2B34.34%
193
PGPROCTER AND GAMBLE CO
48,627$7.7B32.49%
194
WLYWILEY JOHN & SONS INC
169,768$7.6B31.78%
195
TJXTJX COS INC NEW
59,349$7.3B30.74%
196
MTBM & T BK CORP
36,424$7.1B29.63%
197
MDTMEDTRONIC PLC
73,815$6.4B26.99%
198
WMTWALMART INC
64,066$6.3B26.27%
199
FCNCAFIRST CTZNS BANCSHARES INC N
3,185$6.2B26.13%
200
RJFRAYMOND JAMES FINL INC
40,095$6.1B25.79%
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