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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
151 LIVE NATION, INC. 887,960 23,620,000 0.21%
152 ALLIANCE DATA SYSTEMS CORP 102,192 23,351,000 0.20%
153 CHUYS HLDGS INC COM 716,215 23,241,000 0.20%
154 ALKERMES PLC 410,415 22,811,000 0.20%
155 DENTSPLY SIRONA INC 389,619 22,493,000 0.20%
156 TELEFLEX INC 136,241 21,955,000 0.19%
157 UNIVAR INC 763,190 21,652,000 0.19%
158 ACUSHNET HOLDINGS CORP COM 1,096,795 21,618,000 0.19%
159 HEICO CORP NEW 316,805 21,511,000 0.19%
160 NORD ANGLIA EDUCATION INC 920,480 21,447,000 0.19%
161 HEXCEL CORP NEW COM 411,916 21,189,000 0.19%
162 ULTIMATE SOFTWARE GROUP INCORPORATED 115,889 21,132,000 0.19%
163 ELDORADO RESORTS INC COM 1,235,696 20,945,000 0.18%
164 BRUNSWICK CORP 377,721 20,601,000 0.18%
165 AUTONATION INC 421,780 20,520,000 0.18%
166 ORBOTECH LTD 605,477 20,229,000 0.18%
167 CAVIUM INC 315,750 19,715,000 0.17%
168 CommVault Systems Inc 381,277 19,598,000 0.17%
169 BIOMARIN PHARMACEUTICAL INC 236,470 19,589,000 0.17%
170 AMERICAN WOODMARK CORPORATION COM 259,843 19,553,000 0.17%
171 SVB FINANCIAL GROUP 113,266 19,443,000 0.17%
172 BGC PARTNERS INC 1,884,515 19,279,000 0.17%
173 CLOVIS ONCOLOGY INC 429,185 19,064,000 0.17%
174 PVH CORPORATION 210,000 18,950,000 0.17%
175 HAIN CELESTIAL GROUP INC 482,179 18,819,000 0.17%
176 EURONET WORLDWIDE INC 259,675 18,808,000 0.16%
177 MILLERKNOLL INC 540,245 18,476,000 0.16%
178 ULTA BEAUTY INC 71,227 18,159,000 0.16%
179 CULLEN FROST BANKERS INC 205,291 18,113,000 0.16%
180 LUMENTUM HLDGS INC COM 466,190 18,018,000 0.16%
181 SHOPIFY INC 418,390 17,936,000 0.16%
182 NATIONAL STORAGE AFFILIATES 791,597 17,471,000 0.15%
183 MATSON INC COM 493,345 17,459,000 0.15%
184 CROWN CASTLE INTL CORP NEW 200,330 17,383,000 0.15%
185 MULTI COLOR CORP COM 223,330 17,330,000 0.15%
186 FORTUNE BRANDS HOME & SEC IN 320,249 17,121,000 0.15%
187 SOTHEBYS 428,585 17,083,000 0.15%
188 TABLEAU SOFTWARE INC 404,685 17,057,000 0.15%
189 EXPEDIA INC DEL 149,380 16,922,000 0.15%
190 HURON CONSULTING 333,522 16,893,000 0.15%
191 FLOWSERVE CORP 345,365 16,595,000 0.15%
192 FOUR CORNERS PPTY TR INC COM 806,020 16,540,000 0.15%
193 PROOFPOINT INC 233,579 16,502,000 0.14%
194 MARKETAXESS HLDGS INC 112,113 16,472,000 0.14%
195 PROTHENA CORP PLC 328,275 16,148,000 0.14%
196 WNS HOLDINGS LTD 579,660 15,970,000 0.14%
197 ISLE OF CAPRI CASINOS INC COM 645,199 15,930,000 0.14%
198 SITEONE LANDSCAPE SUPPLY INC 424,716 14,750,000 0.13%
199 LIFE STORAGE INC 167,025 14,241,000 0.12%
200 HASBRO INC 181,485 14,118,000 0.12%
Page 4 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.