WESTFIELD CAPITAL MANAGEMENT CO LP Q2 2017 Filing

Filed August 11, 2017

Portfolio Value

$11.7T

Holdings

249

Report Date

Q2 2017

Filing Type

13F-HR

All Holdings (249 positions)

#StockSharesValue% PortfolioType
1
AAPLAPPLE INC
2,158,847$310.9B2.65%
2
METAFACEBOOK INC
1,504,566$227.2B1.94%
3
JAZZJAZZ PHARMACEUTICALS PLC
1,323,264$205.8B1.75%
4
AMZNAMAZON COM INC
207,116$200.5B1.71%
5
MSFTMICROSOFT CORP
2,829,175$195.0B1.66%
6
STERIS PLC
2,236,352$182.3B1.55%
7
CELGCELGENE CORP
1,314,826$170.8B1.46%
8
GOOGALPHABET INC
184,788$167.9B1.43%
9
VVISA INC
1,732,648$162.5B1.38%
10
GOOGLALPHABET INC
172,486$160.4B1.37%
11
AMEAMETEK INC NEW
2,598,320$157.4B1.34%
12
MARMARRIOTT INTL INC NEW
1,513,680$151.8B1.29%
13
STZCONSTELLATION BRANDS INC
772,954$149.7B1.28%
14
NWLNEWELL BRANDS INC
2,737,839$146.8B1.25%
15
HDHOME DEPOT INC
872,101$133.8B1.14%
16
UNHUNITEDHEALTH GROUP INC
710,226$131.7B1.12%
17
DOW CHEM CO
2,039,836$128.7B1.10%
18
CRMSALESFORCE COM INC
1,432,955$124.1B1.06%
19
DISDISNEY WALT CO
1,166,661$124.0B1.06%
20
ABTABBOTT LABS
2,529,199$122.9B1.05%
21
NOWSERVICENOW INC
1,047,200$111.0B0.95%
22
MTDMETTLER TOLEDO INTERNATIONAL
188,444$110.9B0.95%
23
DELPHI AUTOMOTIVE PLC
1,258,826$110.3B0.94%
24
CHTRCHARTER COMMUNICATIONS INC N
326,370$109.9B0.94%
25
LLYLILLY ELI & CO
1,328,180$109.3B0.93%
26
COOCOOPER COS INC
430,879$103.2B0.88%
27
4I1PHILIP MORRIS INTL INC
877,301$103.0B0.88%
28
MCDMCDONALDS CORP
668,037$102.3B0.87%
29
UALUNITED CONTL HLDGS INC
1,358,476$102.2B0.87%
30
IRINGERSOLL-RAND PLC
1,104,382$100.9B0.86%
31
TESORO CORP
1,053,329$98.6B0.84%
32
SCHWSCHWAB CHARLES CORP NEW
2,279,960$97.9B0.83%
33
ICEINTERCONTINENTAL EXCHANGE IN
1,475,206$97.2B0.83%
34
ADBEADOBE SYS INC
683,707$96.7B0.82%
35
MTNVAIL RESORTS INC
476,482$96.6B0.82%
36
DHRDANAHER CORP DEL
1,118,349$94.4B0.80%
37
T7DTRANSDIGM GROUP INC
343,619$92.4B0.79%
38
SIXEURSIX FLAGS ENTMT CORP NEW
1,546,615$92.2B0.79%
39
BIIBBIOGEN INC
320,679$87.0B0.74%
40
7SUSUMMIT MATLS INC
2,989,486$86.3B0.74%
41
CECELANESE CORP DEL
907,976$86.2B0.73%
42
PYPLPAYPAL HLDGS INC
1,590,698$85.4B0.73%
43
AREALEXANDRIA REAL ESTATE EQ IN
691,934$83.4B0.71%
44
LIILENNOX INTL INC
444,147$81.6B0.70%
45
LGF/BEURLIONS GATE ENTMNT CORP
3,072,629$80.7B0.69%
46
CSGPCOSTAR GROUP INC
303,156$79.9B0.68%
47
MICROSEMI CORP
1,706,865$79.9B0.68%
48
MEDICINES CO
2,031,359$77.2B0.66%
49
PGRPROGRESSIVE CORP OHIO
1,739,335$76.7B0.65%
50
ICLRICON PLC
774,673$75.8B0.65%
51
TRUTRANSUNION
1,721,762$74.6B0.64%
52
UNPUNION PAC CORP
684,617$74.6B0.64%
53
NKTREURNEKTAR THERAPEUTICS
3,773,983$73.8B0.63%
54
AVGOBROADCOM LTD
308,328$71.9B0.61%
55
MAMASTERCARD INCORPORATED
590,921$71.8B0.61%
56
BKNGPRICELINE GRP INC
38,250$71.5B0.61%
57
PINNACLE FOODS INC DEL
1,174,363$69.8B0.59%
58
TWENTY FIRST CENTY FOX INC
2,432,956$69.0B0.59%
59
HRCHILL ROM HLDGS INC
855,705$68.1B0.58%
60
DC4DEXCOM INC
912,650$66.8B0.57%
61
WRIGHT MED GROUP N V
2,425,566$66.7B0.57%
62
AVYAVERY DENNISON CORP
751,791$66.4B0.57%
63
IBPINSTALLED BLDG PRODS INC
1,252,398$66.3B0.57%
64
BERYEURBERRY GLOBAL GROUP INC
1,141,394$65.1B0.55%
65
CYRUSONE INC
1,160,063$64.7B0.55%
66
NBIXNEUROCRINE BIOSCIENCES INC
1,400,585$64.4B0.55%
67
MIDDMIDDLEBY CORP
516,380$62.7B0.53%
68
RHT1EURRED HAT INC
641,422$61.4B0.52%
69
RRYDER SYS INC
844,807$60.8B0.52%
70
AJGGALLAGHER ARTHUR J & CO
1,057,858$60.6B0.52%
71
JBHTHUNT J B TRANS SVCS INC
659,243$60.2B0.51%
72
AMATAPPLIED MATLS INC
1,437,420$59.4B0.51%
73
PCRXPACIRA PHARMACEUTICALS INC
1,221,340$58.3B0.50%
74
CTSHCOGNIZANT TECHNOLOGY SOLUTIO
868,016$57.6B0.49%
75
FTNTFORTINET INC
1,506,653$56.4B0.48%
76
BFHALLIANCE DATA SYSTEMS CORP
219,160$56.3B0.48%
77
IHS MARKIT LTD
1,249,090$55.0B0.47%
78
KLX INC
1,092,420$54.6B0.47%
79
SBACSBA COMMUNICATIONS CORP NEW
399,951$54.0B0.46%
80
CIENCIENA CORP
2,135,095$53.4B0.46%
81
SPGIS&P GLOBAL INC
363,265$53.0B0.45%
82
MSCIMSCI INC
512,894$52.8B0.45%
83
RJFRAYMOND JAMES FINANCIAL INC
650,759$52.2B0.44%
84
JBTJOHN BEAN TECHNOLOGIES CORP
529,963$51.9B0.44%
85
SNISCRIPPS NETWORKS INTERACT IN
758,420$51.8B0.44%
86
XLRNACCELERON PHARMA INC
1,682,359$51.1B0.44%
87
MNSTMONSTER BEVERAGE CORP NEW
1,015,540$50.5B0.43%
88
NSYNICE LTD
621,182$48.9B0.42%
89
TSSTOTAL SYS SVCS INC
839,285$48.9B0.42%
90
DNKNDUNKIN BRANDS GROUP INC
879,264$48.5B0.41%
91
AXTAAXALTA COATING SYS LTD
1,504,315$48.2B0.41%
92
MTGMGIC INVT CORP WIS
4,238,647$47.5B0.40%
93
NXSTNEXSTAR MEDIA GROUP INC
776,783$46.5B0.40%
94
FLSFLOWSERVE CORP
996,599$46.3B0.39%
95
CAVIUM INC
744,560$46.3B0.39%
96
ENVISION HEALTHCARE CORP
732,285$45.9B0.39%
97
IARTINTEGRA LIFESCIENCES HLDGS C
794,716$43.3B0.37%
98
MUMICRON TECHNOLOGY INC
1,442,916$43.1B0.37%
99
ELDORADO RESORTS INC
2,147,812$43.0B0.37%
100
BFAMBRIGHT HORIZONS FAM SOL IN D
548,446$42.3B0.36%
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