WESTFIELD CAPITAL MANAGEMENT CO LP Q2 2023 Filing

Filed August 11, 2023

Portfolio Value

$15.7B

Holdings

227

Report Date

Q2 2023

Filing Type

13F-HR

All Holdings (227 positions)

#StockSharesValue% PortfolioType
1
AAPLAPPLE INC
2,746,033$532.6M3.38%
2
MSFTMICROSOFT CORP
1,381,739$470.5M2.99%
3
GOOGLALPHABET INC
3,389,621$405.7M2.58%
4
ICLRICON PLC
1,377,475$344.6M2.19%
5
T7DTRANSDIGM GROUP INC
363,795$325.3M2.07%
6
ASNDASCENDIS PHARMA A/S
3,631,712$324.1M2.06%
7
AMZNAMAZON COM INC
2,418,239$315.2M2.00%
8
VVISA INC
1,090,906$259.1M1.65%
9
NVDANVIDIA CORPORATION
533,850$225.8M1.43%
10
BLDRBUILDERS FIRSTSOURCE INC
1,642,986$223.4M1.42%
11
FTNTFORTINET INC
2,856,178$215.9M1.37%
12
METAMETA PLATFORMS INC
724,503$207.9M1.32%
13
UNHUNITEDHEALTH GROUP INC
425,707$204.6M1.30%
14
CMGCHIPOTLE MEXICAN GRILL INC
91,804$196.4M1.25%
15
LLYLILLY ELI & CO
396,950$186.2M1.18%
16
INSPINSPIRE MED SYS INC
563,667$183.0M1.16%
17
NOWSERVICENOW INC
311,402$175.0M1.11%
18
SAIASAIA INC
506,741$173.5M1.10%
19
AMEAMETEK INC
1,071,812$173.5M1.10%
20
HUBSHUBSPOT INC
318,938$169.7M1.08%
21
3M4MASIMO CORP
953,799$156.9M1.00%
22
BUWABIO RAD LABS INC
403,812$153.1M0.97%
23
LPLALPL FINL HLDGS INC
650,449$141.4M0.90%
24
WCCWESCO INTL INC
771,137$138.1M0.88%
25
CRMSALESFORCE INC
643,458$135.9M0.86%
26
DC4DEXCOM INC
1,030,514$132.4M0.84%
27
FICOFAIR ISAAC CORP
160,128$129.6M0.82%
28
WSCWILLSCOT MOBIL MINI HLDNG CO
2,701,192$129.1M0.82%
29
TXRHTEXAS ROADHOUSE INC
1,149,641$129.1M0.82%
30
TPRTAPESTRY INC
2,992,696$128.1M0.81%
31
MRVLMARVELL TECHNOLOGY INC
2,086,452$124.7M0.79%
32
OPCHOPTION CARE HEALTH INC
3,768,278$122.4M0.78%
33
HDHOME DEPOT INC
393,274$122.2M0.78%
34
COSTCOSTCO WHSL CORP NEW
210,882$113.5M0.72%
35
PODDINSULET CORP
392,339$113.1M0.72%
36
LECOLINCOLN ELEC HLDGS INC
561,720$111.6M0.71%
37
NSYNICE LTD
512,803$105.9M0.67%
38
ROKROCKWELL AUTOMATION INC
314,273$103.5M0.66%
39
FFIVF5 INC
703,360$102.9M0.65%
40
HUBBHUBBELL INC
310,216$102.9M0.65%
41
SMARGBPSMARTSHEET INC
2,595,732$99.3M0.63%
42
SPLKCHFSPLUNK INC
933,567$99.0M0.63%
43
TSLATESLA INC
378,034$99.0M0.63%
44
FLYWFLYWIRE CORPORATION
3,186,118$98.9M0.63%
45
AVTRAVANTOR INC
4,729,799$97.2M0.62%
46
PGRPROGRESSIVE CORP
730,502$96.7M0.61%
47
LNTHLANTHEUS HLDGS INC
1,150,597$96.6M0.61%
48
PANWPALO ALTO NETWORKS INC
368,318$94.1M0.60%
49
DVNDEVON ENERGY CORP NEW
1,943,888$94.0M0.60%
50
GGENPACT LIMITED
2,495,821$93.8M0.60%
51
HXLHEXCEL CORP NEW
1,231,086$93.6M0.59%
52
MSCIMSCI INC
198,714$93.3M0.59%
53
CDNSCADENCE DESIGN SYSTEM INC
392,128$92.0M0.58%
54
AJGGALLAGHER ARTHUR J & CO
411,769$90.4M0.57%
55
WIREEURENCORE WIRE CORP
484,373$90.1M0.57%
56
STZCONSTELLATION BRANDS INC
361,802$89.0M0.57%
57
WDAYWORKDAY INC
393,772$88.9M0.57%
58
MGMMGM RESORTS INTERNATIONAL
2,003,214$88.0M0.56%
59
DTDYNATRACE INC
1,698,742$87.4M0.56%
60
CSCOCISCO SYS INC
1,678,528$86.8M0.55%
61
VCVISTEON CORP
598,544$86.0M0.55%
62
TENBTENABLE HLDGS INC
1,967,115$85.7M0.54%
63
UNPUNION PAC CORP
416,147$85.2M0.54%
64
DEODIAGEO PLC
486,558$84.4M0.54%
65
DOOBRP INC
986,700$83.5M0.53%
66
MCHPMICROCHIP TECHNOLOGY INC.
900,653$80.7M0.51%
67
GPNGLOBAL PMTS INC
809,275$79.7M0.51%
68
DECKDECKERS OUTDOOR CORP
149,687$79.0M0.50%
69
FIVEFIVE BELOW INC
396,562$77.9M0.50%
70
CECELANESE CORP DEL
667,215$77.3M0.49%
71
CSGPCOSTAR GROUP INC
863,471$76.8M0.49%
72
AVYAVERY DENNISON CORP
445,179$76.5M0.49%
73
DAYCERIDIAN HCM HLDG INC
1,141,756$76.5M0.49%
74
WSOWATSCO INC
199,023$75.9M0.48%
75
IEXIDEX CORP
350,797$75.5M0.48%
76
FANGDIAMONDBACK ENERGY INC
571,721$75.1M0.48%
77
POOLPOOL CORP
198,641$74.4M0.47%
78
A4SAMERIPRISE FINL INC
223,412$74.2M0.47%
79
TRUTRANSUNION
944,671$74.0M0.47%
80
HLTHILTON WORLDWIDE HLDGS INC
508,138$74.0M0.47%
81
SUISUN CMNTYS INC
563,748$73.5M0.47%
82
LULULULULEMON ATHLETICA INC
192,813$73.0M0.46%
83
RCKTROCKET PHARMACEUTICALS INC
3,655,787$72.6M0.46%
84
RRRRED ROCK RESORTS INC
1,551,186$72.6M0.46%
85
ALKSALKERMES PLC
2,315,310$72.5M0.46%
86
ARESARES MANAGEMENT CORPORATION
750,632$72.3M0.46%
87
VMCVULCAN MATLS CO
320,688$72.3M0.46%
88
PPGPPG INDS INC
466,455$69.2M0.44%
89
COOCOOPER COS INC
179,902$69.0M0.44%
90
PCTYPAYLOCITY HLDG CORP
372,736$68.8M0.44%
91
UBERUBER TECHNOLOGIES INC
1,586,966$68.5M0.44%
92
LEGNLEGEND BIOTECH CORP
972,054$67.1M0.43%
93
SPGIS&P GLOBAL INC
166,078$66.6M0.42%
94
SRPTSAREPTA THERAPEUTICS INC
575,782$65.9M0.42%
95
PIIMPINJ INC
729,889$65.4M0.42%
96
IDXXIDEXX LABS INC
130,079$65.3M0.42%
97
JBHTHUNT J B TRANS SVCS INC
351,574$63.6M0.40%
98
CPRTCOPART INC
691,310$63.1M0.40%
99
WMTWALMART INC
399,987$62.9M0.40%
100
AFWALIGN TECHNOLOGY INC
176,706$62.5M0.40%
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