WESTFIELD CAPITAL MANAGEMENT CO LP Q4 2018 Filing

Filed February 8, 2019

Portfolio Value

$11.7T

Holdings

240

Report Date

Q4 2018

Filing Type

13F-HR

All Holdings (240 positions)

#StockSharesValue% PortfolioType
1
AAPLAPPLE INC
2,026,170$319.6B2.73%
2
AMZNAMAZON COM INC
202,610$304.3B2.60%
3
MSFTMICROSOFT CORP
2,163,225$219.7B1.87%
4
UNHUNITEDHEALTH GROUP INC
856,089$213.3B1.82%
5
VVISA INC
1,575,721$207.9B1.77%
6
MTDMETTLER TOLEDO INTERNATIONAL
360,628$204.0B1.74%
7
GOOGALPHABET INC
195,364$202.3B1.73%
8
BABOEING CO
618,535$199.5B1.70%
9
NOWSERVICENOW INC
1,061,707$189.0B1.61%
10
CRMSALESFORCE COM INC
1,298,519$177.9B1.52%
11
MPCMARATHON PETE CORP
2,982,907$176.0B1.50%
12
AMEAMETEK INC NEW
2,449,010$165.8B1.41%
13
GOOGLALPHABET INC
156,171$163.2B1.39%
14
COOCOOPER COS INC
628,427$159.9B1.36%
15
UNPUNION PAC CORP
1,104,349$152.7B1.30%
16
HDHOME DEPOT INC
877,851$150.8B1.29%
17
JAZZJAZZ PHARMACEUTICALS PLC
1,143,835$141.8B1.21%
18
TDYTELEDYNE TECHNOLOGIES INC
667,232$138.2B1.18%
19
IRINGERSOLL-RAND PLC
1,373,283$125.3B1.07%
20
TMOTHERMO FISHER SCIENTIFIC INC
488,104$109.2B0.93%
21
NFLXNETFLIX INC
402,051$107.6B0.92%
22
VRTXVERTEX PHARMACEUTICALS INC
642,890$106.5B0.91%
23
ITWILLINOIS TOOL WKS INC
835,636$105.9B0.90%
24
ADBEADOBE INC
467,048$105.7B0.90%
25
MCDMCDONALDS CORP
591,747$105.1B0.90%
26
T7DTRANSDIGM GROUP INC
302,321$102.8B0.88%
27
STERIS PLC
958,036$102.4B0.87%
28
AJGGALLAGHER ARTHUR J & CO
1,376,750$101.5B0.87%
29
MAMASTERCARD INCORPORATED
534,607$100.9B0.86%
30
CHTRCHARTER COMMUNICATIONS INC N
347,114$98.9B0.84%
31
JBHTHUNT J B TRANS SVCS INC
1,047,660$97.5B0.83%
32
DISDISNEY WALT CO
879,568$96.4B0.82%
33
LIILENNOX INTL INC
431,698$94.5B0.81%
34
SPGIS&P GLOBAL INC
555,772$94.4B0.81%
35
PGRPROGRESSIVE CORP OHIO
1,533,278$92.5B0.79%
36
IBMINTERNATIONAL BUSINESS MACHS
812,889$92.4B0.79%
37
AVYAVERY DENNISON CORP
1,022,285$91.8B0.78%
38
PYPLPAYPAL HLDGS INC
1,079,095$90.7B0.77%
39
ICLRICON PLC
698,029$90.2B0.77%
40
BACBANK AMER CORP
3,656,200$90.1B0.77%
41
WPWORLDPAY INC
1,176,131$89.9B0.77%
42
NKENIKE INC
1,199,078$88.9B0.76%
43
MEDICINES CO
4,604,719$88.1B0.75%
44
MSGSMADISON SQUARE GARDEN CO NEW
327,899$87.8B0.75%
45
ZEN1EURZENDESK INC
1,498,026$87.4B0.75%
46
BUWABIO RAD LABS INC
376,018$87.3B0.74%
47
AMATAPPLIED MATLS INC
2,646,762$86.7B0.74%
48
MARMARRIOTT INTL INC NEW
792,647$86.0B0.73%
49
TSSTOTAL SYS SVCS INC
1,025,574$83.4B0.71%
50
METAFACEBOOK INC
630,631$82.7B0.71%
51
MTNVAIL RESORTS INC
388,804$82.0B0.70%
52
FTNTFORTINET INC
1,132,755$79.8B0.68%
53
AVGOBROADCOM INC
313,567$79.7B0.68%
54
EOGEOG RES INC
900,010$78.5B0.67%
55
ULTAULTA BEAUTY INC
319,943$78.3B0.67%
56
CAGCONAGRA BRANDS INC
3,627,915$77.5B0.66%
57
COSTCOSTCO WHSL CORP NEW
380,353$77.5B0.66%
58
FISFIDELITY NATL INFORMATION SV
746,207$76.5B0.65%
59
ULTIMATE SOFTWARE GROUP INC
303,800$74.4B0.63%
60
IHS MARKIT LTD
1,541,523$73.9B0.63%
61
CELGCELGENE CORP
1,142,913$73.2B0.62%
62
BIIBBIOGEN INC
241,059$72.5B0.62%
63
HAEHAEMONETICS CORP
709,952$71.0B0.61%
64
AREALEXANDRIA REAL ESTATE EQ IN
599,549$69.1B0.59%
65
PXDEURPIONEER NAT RES CO
524,037$68.9B0.59%
66
FLT1EURFLEETCOR TECHNOLOGIES INC
367,872$68.3B0.58%
67
SPLKCHFSPLUNK INC
645,742$67.7B0.58%
68
NSYNICE LTD
602,878$65.2B0.56%
69
BKIEURBLACK KNIGHT INC
1,422,152$64.1B0.55%
70
TMUST MOBILE US INC
980,986$62.4B0.53%
71
LRCXEURLAM RESEARCH CORP
455,381$62.0B0.53%
72
MUMICRON TECHNOLOGY INC
1,913,272$60.7B0.52%
73
LPLALPL FINL HLDGS INC
987,365$60.3B0.51%
74
HLTHILTON WORLDWIDE HLDGS INC
813,378$58.4B0.50%
75
RHT1EURRED HAT INC
328,612$57.7B0.49%
76
SIXEURSIX FLAGS ENTMT CORP NEW
1,033,017$57.5B0.49%
77
XLRNACCELERON PHARMA INC
1,292,713$56.3B0.48%
78
SBACSBA COMMUNICATIONS CORP NEW
344,105$55.7B0.48%
79
PBFPBF ENERGY INC
1,506,030$49.2B0.42%
80
FLSFLOWSERVE CORP
1,289,072$49.0B0.42%
81
NXPINXP SEMICONDUCTORS N V
666,258$48.8B0.42%
82
MSCIMSCI INC
327,073$48.2B0.41%
83
TRUTRANSUNION
846,753$48.1B0.41%
84
WPX ENERGY INC
4,183,315$47.5B0.40%
85
IDXXIDEXX LABS INC
246,438$45.8B0.39%
86
RJFRAYMOND JAMES FINANCIAL INC
595,810$44.3B0.38%
87
DGXQUEST DIAGNOSTICS INC
526,951$43.9B0.37%
88
BURLBURLINGTON STORES INC
267,000$43.4B0.37%
89
ADSKAUTODESK INC
327,629$42.1B0.36%
90
WEAWESTERN ALLIANCE BANCORP
1,065,391$42.1B0.36%
91
GDDYGODADDY INC
639,010$41.9B0.36%
92
PFPTPROOFPOINT INC
493,611$41.4B0.35%
93
LULULULULEMON ATHLETICA INC
326,457$39.7B0.34%
94
ONON SEMICONDUCTOR CORP
2,398,940$39.6B0.34%
95
RPMRPM INTL INC
665,169$39.1B0.33%
96
RPREALPAGE INC
810,104$39.0B0.33%
97
PANWPALO ALTO NETWORKS INC
200,732$37.8B0.32%
98
JACKJACK IN THE BOX INC
479,230$37.2B0.32%
99
DC4DEXCOM INC
306,938$36.8B0.31%
100
ESNTESSENT GROUP LTD
1,074,052$36.7B0.31%
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