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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 (2016Q4)
Portfolio Summary: 253 holdings with a total value of $11,405,054,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 COMCAST CORP NEW 186,070 12,848,000 0.11%
52 INPHI CORPORATION 297,147 13,259,000 0.12%
53 CARDIOME PHARMA CORP 5,078,393 14,016,000 0.12%
54 HASBRO INC 181,485 14,118,000 0.12%
55 LIFE STORAGE INC 167,025 14,241,000 0.12%
56 SITEONE LANDSCAPE SUPPLY INC 424,716 14,750,000 0.13%
57 ISLE OF CAPRI CASINOS INC COM 645,199 15,930,000 0.14%
58 WNS HOLDINGS LTD 579,660 15,970,000 0.14%
59 PROTHENA CORP PLC 328,275 16,148,000 0.14%
60 MARKETAXESS HLDGS INC 112,113 16,472,000 0.14%
61 PROOFPOINT INC 233,579 16,502,000 0.14%
62 FOUR CORNERS PPTY TR INC COM 806,020 16,540,000 0.15%
63 FLOWSERVE CORP 345,365 16,595,000 0.15%
64 HURON CONSULTING 333,522 16,893,000 0.15%
65 EXPEDIA INC DEL 149,380 16,922,000 0.15%
66 TABLEAU SOFTWARE INC 404,685 17,057,000 0.15%
67 SOTHEBYS 428,585 17,083,000 0.15%
68 FORTUNE BRANDS HOME & SEC IN 320,249 17,121,000 0.15%
69 MULTI COLOR CORP COM 223,330 17,330,000 0.15%
70 CROWN CASTLE INTL CORP NEW 200,330 17,383,000 0.15%
71 MATSON INC COM 493,345 17,459,000 0.15%
72 NATIONAL STORAGE AFFILIATES 791,597 17,471,000 0.15%
73 SHOPIFY INC 418,390 17,936,000 0.16%
74 LUMENTUM HLDGS INC COM 466,190 18,018,000 0.16%
75 CULLEN FROST BANKERS INC 205,291 18,113,000 0.16%
76 ULTA BEAUTY INC 71,227 18,159,000 0.16%
77 MILLERKNOLL INC 540,245 18,476,000 0.16%
78 EURONET WORLDWIDE INC 259,675 18,808,000 0.16%
79 HAIN CELESTIAL GROUP INC 482,179 18,819,000 0.17%
80 PVH CORPORATION 210,000 18,950,000 0.17%
81 CLOVIS ONCOLOGY INC 429,185 19,064,000 0.17%
82 BGC PARTNERS INC 1,884,515 19,279,000 0.17%
83 SVB FINANCIAL GROUP 113,266 19,443,000 0.17%
84 AMERICAN WOODMARK CORPORATION COM 259,843 19,553,000 0.17%
85 BIOMARIN PHARMACEUTICAL INC 236,470 19,589,000 0.17%
86 CommVault Systems Inc 381,277 19,598,000 0.17%
87 CAVIUM INC 315,750 19,715,000 0.17%
88 ORBOTECH LTD 605,477 20,229,000 0.18%
89 AUTONATION INC 421,780 20,520,000 0.18%
90 BRUNSWICK CORP 377,721 20,601,000 0.18%
91 ELDORADO RESORTS INC COM 1,235,696 20,945,000 0.18%
92 ULTIMATE SOFTWARE GROUP INCORPORATED 115,889 21,132,000 0.19%
93 HEXCEL CORP NEW COM 411,916 21,189,000 0.19%
94 NORD ANGLIA EDUCATION INC 920,480 21,447,000 0.19%
95 HEICO CORP NEW 316,805 21,511,000 0.19%
96 ACUSHNET HOLDINGS CORP COM 1,096,795 21,618,000 0.19%
97 UNIVAR INC 763,190 21,652,000 0.19%
98 TELEFLEX INC 136,241 21,955,000 0.19%
99 DENTSPLY SIRONA INC 389,619 22,493,000 0.20%
100 ALKERMES PLC 410,415 22,811,000 0.20%
Page 2 of 6

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001085146-17-000444, filed 2017.02.10).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.