WESTFIELD CAPITAL MANAGEMENT CO LP Q2 2021 Filing

Filed August 10, 2021

Portfolio Value

$16.7B

Holdings

241

Report Date

Q2 2021

Filing Type

13F-HR

All Holdings (241 positions)

#StockSharesValue% PortfolioType
1
AAPLAPPLE INC
4,753,355$651.0B3898.99%
2
AMZNAMAZON COM INC
140,930$484.8B2903.62%
3
GOOGLALPHABET INC
187,229$457.2B2738.04%
4
MSFTMICROSOFT CORP
1,685,002$456.5B2733.80%
5
METAFACEBOOK INC
978,843$340.4B2038.39%
6
ZEN1EURZENDESK INC
2,105,757$303.9B1820.34%
7
ICLRICON PLC
1,306,581$270.1B1617.54%
8
ASNDASCENDIS PHARMA A/S
2,015,927$265.2B1588.27%
9
BUWABIO RAD LABS INC
406,272$261.8B1567.68%
10
VVISA INC
1,082,954$253.2B1516.52%
11
T7DTRANSDIGM GROUP INC
359,660$232.8B1394.27%
12
TTTRANE TECHNOLOGIES PLC
1,005,559$185.2B1108.96%
13
CRMSALESFORCE COM INC
756,327$184.7B1106.46%
14
NOWSERVICENOW INC
332,822$182.9B1095.41%
15
PYPLPAYPAL HLDGS INC
609,372$177.6B1063.77%
16
TMOTHERMO FISHER SCIENTIFIC INC
349,428$176.3B1055.73%
17
AMEAMETEK INC
1,319,697$176.2B1055.15%
18
WMSADVANCED DRAIN SYS INC DEL
1,441,422$168.0B1006.32%
19
TPRTAPESTRY INC
3,848,802$167.3B1002.24%
20
WDAYWORKDAY INC
638,317$152.4B912.68%
21
HUBSHUBSPOT INC
260,726$151.9B909.92%
22
UNPUNION PAC CORP
686,501$151.0B904.24%
23
DRIDARDEN RESTAURANTS INC
1,033,589$150.9B903.71%
24
EYENATIONAL VISION HLDGS INC
2,896,172$148.1B886.86%
25
WDCWESTERN DIGITAL CORP.
1,988,655$141.5B847.65%
26
MCHPMICROCHIP TECHNOLOGY INC.
936,069$140.2B839.47%
27
LPLALPL FINL HLDGS INC
985,164$133.0B796.41%
28
GPNGLOBAL PMTS INC
701,587$131.6B788.02%
29
MGMMGM RESORTS INTERNATIONAL
3,044,296$129.8B777.61%
30
DGXQUEST DIAGNOSTICS INC
978,310$129.1B773.23%
31
HUMHUMANA INC
289,882$128.3B768.62%
32
COSTCOSTCO WHSL CORP NEW
320,503$126.8B759.49%
33
NVDANVIDIA CORPORATION
158,145$126.5B757.81%
34
HXLHEXCEL CORP NEW
2,017,222$125.9B753.87%
35
CMGCHIPOTLE MEXICAN GRILL INC
79,583$123.4B738.93%
36
NSYNICE LTD
488,514$120.9B724.00%
37
DWDMORGAN STANLEY
1,297,290$118.9B712.39%
38
ZNGAEURZYNGA INC
11,160,925$118.6B710.55%
39
TREXTREX CO INC
1,157,360$118.3B708.47%
40
IEXIDEX CORP
533,968$117.5B703.71%
41
TRUTRANSUNION
1,059,654$116.4B696.89%
42
PODDINSULET CORP
412,329$113.2B677.89%
43
FMCFMC CORP
1,025,873$111.0B664.78%
44
INTUINTUIT
223,827$109.7B657.08%
45
FISFIDELITY NATL INFORMATION SV
758,447$107.4B643.52%
46
XLRNACCELERON PHARMA INC
855,644$107.4B643.07%
47
DYHTARGET CORP
437,098$105.7B632.83%
48
SYFSYNCHRONY FINANCIAL
2,171,790$105.4B631.10%
49
AMATAPPLIED MATLS INC
736,971$104.9B628.52%
50
2L9BLUEPRINT MEDICINES CORP
1,180,119$103.8B621.68%
51
FIVEFIVE BELOW INC
524,243$101.3B606.81%
52
TDYTELEDYNE TECHNOLOGIES INC
240,564$100.8B603.43%
53
FTNTFORTINET INC
419,707$100.0B598.73%
54
DEIDOUGLAS EMMETT INC
2,973,432$100.0B598.71%
55
OSH3EUROAK STR HEALTH INC
1,698,494$99.5B595.80%
56
ATKRATKORE INC
1,394,441$99.0B592.95%
57
TWLOTWILIO INC
248,251$97.9B586.03%
58
AFGAMERICAN FINL GROUP INC OHIO
760,691$94.9B568.20%
59
SIMOSILICON MOTION TECHNOLOGY CO
1,478,232$94.8B567.49%
60
RCKTROCKET PHARMACEUTICALS INC
2,077,095$92.0B550.96%
61
WEXWEX INC
469,648$91.1B545.39%
62
IDXXIDEXX LABS INC
141,576$89.4B535.49%
63
LYVLIVE NATION ENTERTAINMENT IN
1,019,859$89.3B535.00%
64
SAIASAIA INC
421,945$88.4B529.39%
65
CPRTCOPART INC
653,727$86.2B516.14%
66
CTLTEURCATALENT INC
780,487$84.4B505.39%
67
LECOLINCOLN ELEC HLDGS INC
638,805$84.1B503.90%
68
DC4DEXCOM INC
196,234$83.8B501.83%
69
CECELANESE CORP DEL
548,079$83.1B497.62%
70
LITELUMENTUM HLDGS INC
1,009,035$82.8B495.72%
71
MSCIMSCI INC
153,999$82.1B491.67%
72
SGENUSDSEAGEN INC
514,590$81.2B486.57%
73
PANWPALO ALTO NETWORKS INC
217,849$80.8B484.11%
74
IRWDIRONWOOD PHARMACEUTICALS INC
6,258,873$80.6B482.43%
75
AJGGALLAGHER ARTHUR J & CO
566,036$79.3B474.87%
76
DVNDEVON ENERGY CORP NEW
2,711,373$79.1B474.00%
77
BSXBOSTON SCIENTIFIC CORP
1,839,743$78.7B471.14%
78
BLDTOPBUILD CORP
394,998$78.1B467.88%
79
ROSTROSS STORES INC
627,760$77.8B466.20%
80
LSPDEURLIGHTSPEED POS INC
929,894$77.7B465.64%
81
AZEKAZEK CO INC
1,819,598$77.3B462.71%
82
ROKUROKU INC
167,556$77.0B460.86%
83
ROKROCKWELL AUTOMATION INC
264,980$75.8B453.91%
84
AFWALIGN TECHNOLOGY INC
121,083$74.0B443.08%
85
DOOBRP INC
935,490$73.3B439.03%
86
MUMICRON TECHNOLOGY INC
849,870$72.2B432.54%
87
NTNXNUTANIX INC
1,882,254$71.9B430.85%
88
ULTAULTA BEAUTY INC
204,886$70.8B424.28%
89
TURNING POINT THERAPEUTICS I
907,760$70.8B424.16%
90
FLT1EURFLEETCOR TECHNOLOGIES INC
266,520$68.2B408.72%
91
XLNXEURXILINX INC
467,661$67.6B405.11%
92
BIIBBIOGEN INC
191,842$66.4B397.85%
93
SPLKCHFSPLUNK INC
457,022$66.1B395.73%
94
ITTITT INC
706,929$64.7B387.78%
95
SRCUSDSPIRIT RLTY CAP INC NEW
1,351,027$64.6B387.09%
96
ITGARTNER INC
266,026$64.4B385.88%
97
MKSIMKS INSTRS INC
358,003$63.7B381.54%
98
ESSESSEX PPTY TR INC
212,333$63.7B381.51%
99
TGTXTG THERAPEUTICS INC
1,639,676$63.6B380.92%
100
PCRXPACIRA BIOSCIENCES INC
1,030,645$62.5B374.56%
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