WESTFIELD CAPITAL MANAGEMENT CO LP Q4 2020 Filing

Filed February 12, 2021

Portfolio Value

$16.9T

Holdings

247

Report Date

Q4 2020

Filing Type

13F-HR

All Holdings (247 positions)

#StockSharesValue% PortfolioType
1
AAPLAPPLE INC
4,519,907$599.7B3.56%
2
AMZNAMAZON COM INC
166,980$543.8B3.23%
3
MSFTMICROSOFT CORP
1,955,237$434.9B2.58%
4
GOOGLALPHABET INC
213,566$374.3B2.22%
5
ZEN1EURZENDESK INC
2,264,009$324.0B1.92%
6
METAFACEBOOK INC
1,098,068$299.9B1.78%
7
ASNDASCENDIS PHARMA A/S
1,729,881$288.5B1.71%
8
NOWSERVICENOW INC
447,303$246.2B1.46%
9
T7DTRANSDIGM GROUP INC
390,103$241.4B1.43%
10
BUWABIO RAD LABS INC
412,062$240.2B1.43%
11
CRMSALESFORCE COM INC
976,318$217.3B1.29%
12
GPNGLOBAL PMTS INC
895,295$192.9B1.14%
13
VVISA INC
864,745$189.1B1.12%
14
PYPLPAYPAL HLDGS INC
806,596$188.9B1.12%
15
AMEAMETEK INC
1,495,250$180.8B1.07%
16
HDHOME DEPOT INC
669,542$177.8B1.06%
17
TTTRANE TECHNOLOGIES PLC
1,215,586$176.5B1.05%
18
NKENIKE INC
1,233,534$174.5B1.04%
19
DRIDARDEN RESTAURANTS INC
1,399,729$166.7B0.99%
20
TMOTHERMO FISHER SCIENTIFIC INC
357,198$166.4B0.99%
21
ICLRICON PLC
826,956$161.2B0.96%
22
WMSADVANCED DRAIN SYS INC DEL
1,904,882$159.2B0.94%
23
FTNTFORTINET INC
1,063,502$158.0B0.94%
24
VRTXVERTEX PHARMACEUTICALS INC
652,910$154.3B0.92%
25
AVGOBROADCOM INC
347,094$152.0B0.90%
26
AMATAPPLIED MATLS INC
1,753,803$151.4B0.90%
27
ABBVABBVIE INC
1,388,619$148.8B0.88%
28
TREXTREX CO INC
1,765,684$147.8B0.88%
29
FISFIDELITY NATL INFORMATION SV
1,021,956$144.6B0.86%
30
SPLKCHFSPLUNK INC
837,767$142.3B0.84%
31
WDAYWORKDAY INC
575,851$138.0B0.82%
32
HUBSHUBSPOT INC
345,625$137.0B0.81%
33
QCOMQUALCOMM INC
895,559$136.4B0.81%
34
BLDTOPBUILD CORP
733,168$135.0B0.80%
35
HUMHUMANA INC
327,615$134.4B0.80%
36
BSXBOSTON SCIENTIFIC CORP
3,464,728$124.6B0.74%
37
NSYNICE LTD
434,868$123.3B0.73%
38
UNPUNION PAC CORP
591,337$123.1B0.73%
39
DGXQUEST DIAGNOSTICS INC
1,026,288$122.3B0.73%
40
LPLALPL FINL HLDGS INC
1,162,967$121.2B0.72%
41
MTDMETTLER TOLEDO INTERNATIONAL
106,147$121.0B0.72%
42
ROKROCKWELL AUTOMATION INC
480,509$120.5B0.72%
43
IDXXIDEXX LABS INC
239,444$119.7B0.71%
44
STESTERIS PLC
617,569$117.1B0.69%
45
EYENATIONAL VISION HLDGS INC
2,558,631$115.9B0.69%
46
BMYBRISTOL-MYERS SQUIBB CO
1,845,192$114.5B0.68%
47
ESSESSEX PPTY TR INC
471,409$111.9B0.66%
48
XLRNACCELERON PHARMA INC
865,507$110.7B0.66%
49
TWLOTWILIO INC
325,148$110.1B0.65%
50
PODDINSULET CORP
425,894$108.9B0.65%
51
ETSYETSY INC
601,451$107.0B0.63%
52
DWDMORGAN STANLEY
1,545,505$105.9B0.63%
53
TRUTRANSUNION
1,050,731$104.3B0.62%
54
AJGGALLAGHER ARTHUR J & CO
831,100$102.8B0.61%
55
TDYTELEDYNE TECHNOLOGIES INC
255,140$100.0B0.59%
56
VYXNCR CORP NEW
2,648,189$99.5B0.59%
57
2L9BLUEPRINT MEDICINES CORP
868,067$97.4B0.58%
58
IEXIDEX CORP
488,445$97.3B0.58%
59
IRWDIRONWOOD PHARMACEUTICALS INC
8,488,042$96.7B0.57%
60
FIVEFIVE BELOW INC
551,036$96.4B0.57%
61
COOCOOPER COS INC
264,028$95.9B0.57%
62
SGENUSDSEAGEN INC
539,865$94.6B0.56%
63
CMGCHIPOTLE MEXICAN GRILL INC
67,318$93.4B0.55%
64
NVDANVIDIA CORPORATION
177,519$92.7B0.55%
65
ZNGAEURZYNGA INC
9,275,709$91.6B0.54%
66
ORLYOREILLY AUTOMOTIVE INC
199,675$90.4B0.54%
67
RCKTROCKET PHARMACEUTICALS INC
1,594,981$87.5B0.52%
68
SAICSCIENCE APPLICATIONS INTL CO
918,554$86.9B0.52%
69
WEXWEX INC
424,838$86.5B0.51%
70
NFLXNETFLIX INC
157,892$85.4B0.51%
71
FLT1EURFLEETCOR TECHNOLOGIES INC
311,451$85.0B0.50%
72
FFIVF5 NETWORKS INC
457,907$80.6B0.48%
73
DOOBRP INC
1,218,882$80.4B0.48%
74
LECOLINCOLN ELEC HLDGS INC
681,293$79.2B0.47%
75
MCHPMICROCHIP TECHNOLOGY INC.
571,880$79.0B0.47%
76
RNGRINGCENTRAL INC
208,152$78.9B0.47%
77
ROSTROSS STORES INC
639,285$78.5B0.47%
78
MSCIMSCI INC
173,817$77.6B0.46%
79
XLNXEURXILINX INC
545,622$77.4B0.46%
80
TKRTIMKEN CO
991,872$76.7B0.46%
81
BMRNBIOMARIN PHARMACEUTICAL INC
851,872$74.7B0.44%
82
CRLCHARLES RIV LABS INTL INC
293,626$73.4B0.44%
83
SUISUN CMNTYS INC
477,264$72.5B0.43%
84
CSGPCOSTAR GROUP INC
77,851$72.0B0.43%
85
ULTAULTA BEAUTY INC
239,410$68.7B0.41%
86
CATCATERPILLAR INC
375,807$68.4B0.41%
87
MDBMONGODB INC
190,005$68.2B0.40%
88
3M4MASIMO CORP
237,443$63.7B0.38%
89
AZEKAZEK CO INC
1,647,300$63.3B0.38%
90
HAEHAEMONETICS CORP
532,642$63.3B0.38%
91
RPREALPAGE INC
715,553$62.4B0.37%
92
LITELUMENTUM HLDGS INC
657,883$62.4B0.37%
93
CTSHCOGNIZANT TECHNOLOGY SOLUTIO
759,790$62.3B0.37%
94
TWTRADEWEB MKTS INC
996,056$62.2B0.37%
95
SPGIS&P GLOBAL INC
188,543$62.0B0.37%
96
STSENSATA TECHNOLOGIES HLDG PL
1,173,214$61.9B0.37%
97
CTLTEURCATALENT INC
594,314$61.9B0.37%
98
ROKUROKU INC
185,524$61.6B0.37%
99
DC4DEXCOM INC
166,004$61.4B0.36%
100
RPMRPM INTL INC
670,173$60.8B0.36%
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