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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 (2014Q3)
Original 13F HR (0001085146-14-002222) filed in 2014.11.12
#
Name
Shares
Value ($)
%
Options
Notes
1 APPLE INC 4,817,337 485,347 2.96%
2 CELGENE CORP 3,842,483 364,191 2.22%
3 JAZZ PHARMACEUTICALS PLC 1,996,359 320,535 1.96%
4 ALLERGAN PLC 1,052,530 253,954 1.55%
5 TEVA PHARMACEUTICAL INDS LTD 4,687,525 251,954 1.54%
6 TESORO CORP 3,882,336 236,745 1.45%
7 MICROSOFT CORP 4,920,499 228,114 1.39%
8 CUBIST PHARMACEUTI 3,421,430 226,978 1.39%
9 THERMO FISHER SCIENTIFIC INC 1,813,475 220,700 1.35%
10 FACEBOOK INC 2,759,268 218,093 1.33%
11 COMCAST CORP NEW 3,982,708 214,190 1.31%
12 COOPER COS INC 1,312,172 204,371 1.25%
13 ISHARES NASDAQ BIOTECHNOLOGY ETF 333,246 196,085 1.20%
14 ABBVIE INC 3,347,675 193,362 1.18%
15 GOOGLE INC 333,255 192,408 1.17%
16 PRICELINE GRP INC 163,195 189,074 1.15%
17 SALESFORCE COM INC 3,206,021 184,442 1.13%
18 AMETEK INC NEW 3,577,219 179,612 1.10%
19 ENDO INTL PLC 2,599,669 177,661 1.08%
20 NATIONAL OILWELL VARCO INC 2,204,449 167,759 1.02%
21 VISA INC 784,686 167,428 1.02%
22 HALLIBURTON CO 2,571,612 165,895 1.01%
23 DISNEY WALT CO 1,829,795 162,907 0.99%
24 MONSANTO CO NEW 1,408,530 158,474 0.97%
25 VERIZON COMMUNICATIONS INC 3,141,756 157,056 0.96%
26 TWENTY FIRST CENTY FOX INC 4,444,247 152,393 0.93%
27 TYCO INTL LTD. 3,288,255 146,558 0.89%
28 IHS INC A 1,059,590 132,650 0.81%
29 PPG INDS INC 654,818 128,829 0.79%
30 DANAHER CORP DEL 1,675,876 127,333 0.78%
31 JPMORGAN CHASE & CO 2,111,239 127,181 0.78%
32 INGERSOLL-RAND PLC 2,242,639 126,395 0.77%
33 COSTCO WHSL CORP NEW 1,006,955 126,192 0.77%
34 CARDINAL HEALTH INC 1,682,095 126,023 0.77%
35 MWI VETERINARY SUP 837,209 124,242 0.76%
36 CSX CORP 3,716,410 119,148 0.73%
37 CATERPILLAR INC 1,191,194 117,964 0.72%
38 SUNCOR ENERGY INC NEW 3,260,593 117,870 0.72%
39 CELANESE CORP DEL 1,990,913 116,508 0.71%
40 HERSHEY CO 1,218,684 116,299 0.71%
41 AEGERION PHARMACEUTICALS INC 3,475,306 116,006 0.71%
42 PRECISION CASTPARTS 489,147 115,869 0.71%
43 URBAN OUTFITTERS INC 3,125,543 114,707 0.70%
44 VALERO ENERGY CORP NEW 2,451,707 113,440 0.69%
45 LAM RESEARCH CORP 1,511,900 112,939 0.69%
46 V F CORP 1,704,845 112,571 0.69%
47 INTERNATIONAL BUSINESS MACHS 587,961 111,613 0.68%
48 E M C CORP MASS COM 3,783,800 110,714 0.68%
49 GENESEE AND WYOMING INC INC CL A 1,158,489 110,416 0.67%
50 Nielsen Holdings B.V. 2,487,606 110,276 0.67%
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