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Institutional Investment Manager
WESTFIELD CAPITAL MANAGEMENT CO LP
WESTFIELD CAPITAL MANAGEMENT CO LP (CIK: 0001177719) incorporated in Delaware, located at One Financial Center, Boston, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q3)
Original 13F HR (0001085146-15-002279) filed in 2015.11.12
#
Name
Shares
Value ($)
%
Options
Notes
1 APPLE INC 3,989,366 440,027 3.12%
2 TEVA PHARMACEUTICAL INDS LTD 5,555,430 313,660 2.22%
3 JAZZ PHARMACEUTICALS PLC 2,298,726 305,294 2.16%
4 CELGENE CORP 2,396,820 259,264 1.84%
5 FACEBOOK INC 2,598,754 233,628 1.65%
6 VERTEX PHARMACEUTICALS INC 1,961,599 204,281 1.45%
7 CONSTELLATION BRANDS INC 1,588,510 198,897 1.41%
8 ISHARES NASDAQ BIOTECHNOLOGY ETF 302,890 193,356 1.37%
9 VISA INC 2,741,503 190,973 1.35%
10 SALESFORCE COM INC 2,702,110 187,607 1.33%
11 PRICELINE GRP INC 151,550 187,446 1.33%
12 COMCAST CORP NEW 3,263,183 185,610 1.31%
13 GOOGLE INC 303,561 184,693 1.31%
14 LOWES COS INC 2,647,293 182,451 1.29%
15 STERIS PLC 2,744,784 178,329 1.26%
16 UNITED CONTL HLDGS INC 3,326,811 176,487 1.25%
17 COOPER COS INC 1,141,441 169,915 1.20%
18 DELPHI AUTOMOTIVE PLC 2,200,957 167,361 1.18%
19 PALO ALTO NETWORKS INC 945,125 162,562 1.15%
20 YUM BRANDS INC 2,027,357 162,087 1.15%
21 ABBVIE INC 2,970,476 161,624 1.14%
22 HOME DEPOT INC 1,355,466 156,543 1.11%
23 VALERO ENERGY CORP NEW 2,598,037 156,142 1.11%
24 COCA COLA ENTERPRISES INC NE COM 3,115,441 150,632 1.07%
25 TESORO CORP 1,535,119 149,275 1.06%
26 AMAZON COM INC 283,277 145,007 1.03%
27 V F CORP 2,122,529 144,778 1.02%
28 JARDEN CORP 2,959,677 144,669 1.02%
29 ADOBE INC 1,682,076 138,300 0.98%
30 MASTERCARD INCORPORATED 1,507,308 135,839 0.96%
31 UNITED THERAPEUTICS CORP DEL 1,030,573 135,252 0.96%
32 DOW CHEM CO 3,145,503 133,369 0.94%
33 UNION PAC CORP 1,506,555 133,195 0.94%
34 ANALOG DEVICES INC 2,289,431 129,147 0.91%
35 DOLLAR TREE INC 1,899,014 126,588 0.90%
36 SERVICENOW INC 1,819,444 126,360 0.89%
37 DISNEY WALT CO 1,216,415 124,318 0.88%
38 NIELSEN HLDGS PLC 2,758,901 122,688 0.87%
39 STATE STR CORP 1,817,315 122,142 0.86%
40 ULTA BEAUTY INC 707,129 115,510 0.82%
41 FORTINET INC 2,368,504 100,614 0.71%
42 CONSOL ENERGY INC 10,196,831 99,929 0.71%
43 COGNIZANT TECHNOLOGY SOLUTIO 1,535,014 96,107 0.68%
44 TRANSDIGM GROUP INC 445,173 94,559 0.67%
45 TWENTY FIRST CENTY FOX INC 3,453,940 93,187 0.66%
46 R H 996,406 92,975 0.66%
47 COSTCO WHSL CORP NEW 640,136 92,544 0.66%
48 TOTAL SYS SVCS INC 1,993,829 90,580 0.64%
49 LENNOX INTL INC 791,324 89,681 0.63%
50 STARBUCKS CORP 1,534,297 87,209 0.62%
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