WESTFIELD CAPITAL MANAGEMENT CO LP Q3 2020 Filing

Filed November 13, 2020

Portfolio Value

$15.4B

Holdings

235

Report Date

Q3 2020

Filing Type

13F-HR

All Holdings (235 positions)

#StockSharesValue% PortfolioType
1
AAPLAPPLE INC
5,167,793$598.5B3874.09%
2
AMZNAMAZON COM INC
182,499$574.6B3719.76%
3
MSFTMICROSOFT CORP
2,147,370$451.7B2923.66%
4
GOOGLALPHABET INC
236,257$346.3B2241.40%
5
METAFACEBOOK INC
1,207,634$316.3B2047.34%
6
ASNDASCENDIS PHARMA A/S
1,789,774$276.2B1787.88%
7
CRMSALESFORCE COM INC
1,063,679$267.3B1730.44%
8
ZEN1EURZENDESK INC
2,464,088$253.6B1641.63%
9
NOWSERVICENOW INC
500,514$242.7B1571.36%
10
VVISA INC
1,093,815$218.7B1415.88%
11
FISFIDELITY NATL INFORMATION SV
1,417,297$208.6B1350.57%
12
HDHOME DEPOT INC
747,568$207.6B1343.88%
13
PYPLPAYPAL HLDGS INC
1,006,974$198.4B1284.31%
14
TMOTHERMO FISHER SCIENTIFIC INC
425,484$187.9B1216.05%
15
SPLKCHFSPLUNK INC
995,222$187.2B1211.98%
16
T7DTRANSDIGM GROUP INC
376,080$178.7B1156.65%
17
NKENIKE INC
1,351,089$169.6B1097.96%
18
TTTRANE TECHNOLOGIES PLC
1,351,792$163.9B1060.99%
19
VRTXVERTEX PHARMACEUTICALS INC
596,479$162.3B1050.69%
20
ICLRICON PLC
829,878$158.6B1026.53%
21
BUWABIO RAD LABS INC
298,033$153.6B994.44%
22
AMEAMETEK INC
1,530,963$152.2B985.08%
23
HUMHUMANA INC
359,338$148.7B962.73%
24
DRIDARDEN RESTAURANTS INC
1,467,619$147.8B957.05%
25
BLDTOPBUILD CORP
864,066$147.5B954.71%
26
GPNGLOBAL PMTS INC
815,849$144.9B937.82%
27
QCOMQUALCOMM INC
1,185,878$139.6B903.36%
28
AVGOBROADCOM INC
377,089$137.4B889.29%
29
MTDMETTLER TOLEDO INTERNATIONAL
139,858$135.1B874.32%
30
FTNTFORTINET INC
1,109,738$130.7B846.29%
31
AMATAPPLIED MATLS INC
2,183,898$129.8B840.43%
32
CHTRCHARTER COMMUNICATIONS INC N
207,701$129.7B839.42%
33
AFWALIGN TECHNOLOGY INC
390,861$128.0B828.26%
34
TREXTREX CO INC
1,775,869$127.2B823.08%
35
UNPUNION PAC CORP
643,297$126.6B819.80%
36
BMYBRISTOL-MYERS SQUIBB CO
2,045,976$123.4B798.48%
37
SPGIS&P GLOBAL INC
337,287$121.6B787.31%
38
STESTERIS PLC
680,194$119.8B775.77%
39
ORLYOREILLY AUTOMOTIVE INC
256,602$118.3B765.87%
40
BSXBOSTON SCIENTIFIC CORP
3,002,613$114.7B742.67%
41
DGXQUEST DIAGNOSTICS INC
984,866$112.8B729.90%
42
TMUST-MOBILE US INC
951,142$108.8B704.11%
43
WMSADVANCED DRAIN SYS INC DEL
1,737,836$108.5B702.41%
44
IDXXIDEXX LABS INC
274,522$107.9B698.57%
45
AMTAMERICAN TOWER CORP NEW
441,070$106.6B690.17%
46
HUBSHUBSPOT INC
357,646$104.5B676.55%
47
NSYNICE LTD
457,674$103.9B672.60%
48
PODDINSULET CORP
436,686$103.3B668.78%
49
TDYTELEDYNE TECHNOLOGIES INC
325,534$101.0B653.69%
50
AJGGALLAGHER ARTHUR J & CO
953,780$100.7B651.85%
51
2L9BLUEPRINT MEDICINES CORP
1,060,798$98.3B636.55%
52
WDAYWORKDAY INC
449,872$96.8B626.48%
53
ROKROCKWELL AUTOMATION INC
438,027$96.7B625.73%
54
XLRNACCELERON PHARMA INC
847,149$95.3B617.09%
55
COOCOOPER COS INC
279,400$94.2B609.72%
56
DYHTARGET CORP
591,027$93.0B602.26%
57
NFLXNETFLIX INC
180,593$90.3B584.54%
58
CMGCHIPOTLE MEXICAN GRILL INC
71,429$88.8B575.06%
59
TWLOTWILIO INC
347,413$85.8B555.67%
60
ETSYETSY INC
702,598$85.5B553.18%
61
SUISUN CMNTYS INC
601,051$84.5B547.08%
62
SBACSBA COMMUNICATIONS CORP NEW
258,933$82.5B533.81%
63
TRUTRANSUNION
953,809$80.2B519.44%
64
FLT1EURFLEETCOR TECHNOLOGIES INC
331,397$78.9B510.77%
65
DBXDROPBOX INC
3,987,158$76.8B497.10%
66
SGENEURSEATTLE GENETICS INC
392,016$76.7B496.58%
67
HAEHAEMONETICS CORP
842,411$73.5B475.78%
68
FIVEFIVE BELOW INC
565,002$71.8B464.48%
69
MCHPMICROCHIP TECHNOLOGY INC.
681,307$70.0B453.20%
70
ZNGAEURZYNGA INC
7,662,437$69.9B452.35%
71
DC4DEXCOM INC
168,518$69.5B449.68%
72
SAICSCIENCE APPLICATIONS INTL CO
883,035$69.2B448.26%
73
CSGPCOSTAR GROUP INC
81,259$68.9B446.32%
74
LPLALPL FINL HLDGS INC
899,122$68.9B446.24%
75
3M4MASIMO CORP
290,543$68.6B443.97%
76
JBHTHUNT J B TRANS SVCS INC
529,107$66.9B432.86%
77
DOOBRP INC
1,253,174$66.2B428.48%
78
MRSHMARSH & MCLENNAN COS INC
565,558$64.9B419.92%
79
LECOLINCOLN ELEC HLDGS INC
701,398$64.6B417.89%
80
ROSTROSS STORES INC
673,918$62.9B407.10%
81
CATCATERPILLAR INC DEL
421,316$62.8B406.77%
82
TWTRADEWEB MKTS INC
1,066,298$61.8B400.33%
83
IRWDIRONWOOD PHARMACEUTICALS INC
6,846,192$61.6B398.63%
84
CRLCHARLES RIV LABS INTL INC
269,362$61.0B394.85%
85
WEXWEX INC
437,854$60.8B393.89%
86
DHID R HORTON INC
790,337$59.8B386.92%
87
SSNCSS&C TECHNOLOGIES HLDGS INC
986,231$59.7B386.37%
88
RPMRPM INTL INC
717,902$59.5B384.97%
89
BKIEURBLACK KNIGHT INC
662,859$57.7B373.52%
90
ULTAULTA BEAUTY INC
256,445$57.4B371.81%
91
ODFLOLD DOMINION FREIGHT LINE IN
317,377$57.4B371.69%
92
STSENSATA TECHNOLOGIES HLDNG P
1,319,583$56.9B368.50%
93
TKRTIMKEN CO
1,028,357$55.8B360.93%
94
CTSHCOGNIZANT TECHNOLOGY SOLUTIO
802,901$55.7B360.80%
95
MSCIMSCI INC
155,851$55.6B359.94%
96
PCRXPACIRA BIOSCIENCES
912,775$54.9B355.22%
97
KBHKB HOME
1,382,251$53.1B343.50%
98
VYXNCR CORP NEW
2,342,771$51.9B335.76%
99
FICOFAIR ISAAC CORP
116,395$49.5B320.50%
100
PLMRPALOMAR HLDGS INC
473,212$49.3B319.31%
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