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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 (2016Q1)
Original 13F HR (0001085146-16-003726) filed in 2016.05.13
#
Name
Shares
Value ($)
%
Options
Notes
1 APPLE INC 3,456,335 376,706 2.87%
2 JAZZ PHARMACEUTICALS PLC 2,039,289 266,229 2.03%
3 UNITED CONTL HLDGS INC 3,884,438 232,522 1.77%
4 FACEBOOK INC 1,923,963 219,524 1.67%
5 STERIS PLC SHS USD 2,970,499 211,054 1.61%
6 CONSTELLATION BRANDS INC 1,394,473 210,691 1.60%
7 PALO ALTO NETWORKS INC 1,278,956 208,649 1.59%
8 ALPHABET INC 270,210 206,143 1.57%
9 ALPHABET INC 270,669 201,635 1.53%
10 BRISTOL MYERS SQUIBB CO 3,120,695 199,350 1.52%
11 MICROSOFT CORP 3,500,217 193,317 1.47%
12 Former Charter Communication (Del 5/18/2016) 951,483 192,609 1.47%
13 CELGENE CORP 1,883,835 188,553 1.43%
14 VISA INC 2,399,575 183,519 1.40%
15 DOW CHEM CO 3,589,378 182,556 1.39%
16 DOLLAR TREE INC 2,029,197 167,328 1.27%
17 HOME DEPOT INC 1,135,960 151,571 1.15%
18 TJX COS INC NEW 1,920,137 150,443 1.14%
19 SALESFORCE COM INC 2,034,172 150,183 1.14%
20 SERVICENOW INC 2,432,535 148,822 1.13%
21 NEWELL BRANDS 3,270,648 144,857 1.10%
22 NIELSEN HLDGS PLC 2,727,975 143,655 1.09%
23 TWENTY FIRST CENTY FOX INC 5,140,489 143,317 1.09%
24 TEVA PHARMACEUTICAL INDS LTD 2,660,541 142,366 1.08%
25 LOCKHEED MARTIN CORP 632,910 140,190 1.07%
26 UNION PAC CORP 1,672,779 133,070 1.01%
27 KROGER CO 3,463,494 132,479 1.01%
28 LAM RESEARCH CORP 1,570,509 129,724 0.99%
29 BAXTER INTL INC 3,147,015 129,279 0.98%
30 COCA COLA ENTERPRISES INC NE COM 2,468,165 125,235 0.95%
31 BROADCOM LTD 809,403 125,053 0.95%
32 AMAZON COM INC 209,050 124,100 0.94%
33 CELANESE CORP DEL 1,893,435 124,020 0.94%
34 COSTCO WHSL CORP NEW 771,845 121,627 0.93%
35 MASTERCARD INCORPORATED 1,274,944 120,482 0.92%
36 SYNCHRONY FINL 4,174,392 119,638 0.91%
37 COOPER COS INC 736,645 113,421 0.86%
38 VALERO ENERGY CORP NEW 1,745,697 111,969 0.85%
39 JARDEN CORP 1,878,843 110,758 0.84%
40 STARBUCKS CORP 1,813,676 108,276 0.82%
41 LENNOX INTL INC 779,973 105,445 0.80%
42 PRICELINE GRP INC 81,218 104,687 0.80%
43 TRANSDIGM GROUP INC 449,767 99,102 0.75%
44 UNITED PARCEL SERVICE INC 925,472 97,610 0.74%
45 BIOGEN INC 372,468 96,961 0.74%
46 VAIL RESORTS INC 715,136 95,614 0.73%
47 THERMO FISHER SCIENTIFIC INC 662,396 93,789 0.71%
48 EQUINIX INC 271,746 89,869 0.68%
49 METTLER-TOLEDO 255,614 88,125 0.67%
50 COSTAR GROUP 439,420 82,686 0.63%
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