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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 (2016Q2)
Portfolio Summary: 257 holdings with a total value of $12,120,551,000.
#
Name
Shares
Value ($)
%
Options
Notes
201 SITEONE LANDSCAPE SUPPLY INC 268,490 9,126,000 0.08%
202 PROTHENA CORP PLC 237,880 8,316,000 0.07%
203 OMNICELL INC 239,271 8,190,000 0.07%
204 HENRY JACK & ASSOC INC 92,484 8,071,000 0.07%
205 AT&T INC 183,530 7,930,000 0.07%
206 CISCO SYS INC 273,895 7,858,000 0.06%
207 GENERAL ELECTRIC CO 249,450 7,853,000 0.06%
208 PAYCHEX INC 128,669 7,656,000 0.06%
209 ADTRAN INC COM 350,915 6,545,000 0.05%
210 JOHNSON & JOHNSON 52,495 6,368,000 0.05%
211 DR PEPPER SNAPPLE GROUP INC 63,279 6,115,000 0.05%
212 PROCTER AND GAMBLE CO 72,012 6,097,000 0.05%
213 PFIZER INC 170,676 6,010,000 0.05%
214 KIMBERLY CLARK CORP 42,897 5,897,000 0.05%
215 MARINE HARVEST ASA 343,545 5,806,000 0.05%
216 ARCHER DANIELS MIDLAND CO 134,500 5,769,000 0.05%
217 JPMORGAN CHASE & CO 92,300 5,736,000 0.05%
218 FLOWERS FOODS INC 302,823 5,678,000 0.05%
219 COCA COLA CO 123,940 5,618,000 0.05%
220 PEPSICO INC 52,744 5,588,000 0.05%
221 TANDEM DIABETES CARE INC COM 685,588 5,169,000 0.04%
222 UNITEDHEALTH GROUP INC 33,660 4,753,000 0.04%
223 American Capital Agency 237,170 4,701,000 0.04%
224 TARGET CORP 64,882 4,530,000 0.04%
225 WAL-MART STORES INC 61,360 4,481,000 0.04%
226 MCDONALDS CORP 37,155 4,471,000 0.04%
227 CIRRUS LOGIC INC 98,243 3,811,000 0.03%
228 ORION ENGINEERED CARBONS S A 214,595 3,410,000 0.03%
229 VERIZON COMMUNICATIONS INC 56,125 3,134,000 0.03%
230 ISHARES RUSSELL 2000 GROWTH ETF 18,740 2,571,000 0.02%
231 COPART INC 51,420 2,520,000 0.02%
232 WASTE CONNECTIONS INC 30,372 2,188,000 0.02%
233 ALLERGAN PLC 8,495 1,963,000 0.02%
234 CVS HEALTH CORP 17,300 1,656,000 0.01%
235 3M CO 9,350 1,637,000 0.01%
236 WABCO HLDGS INC 17,250 1,580,000 0.01%
237 DISNEY WALT CO 15,390 1,505,000 0.01%
238 NORTHERN TRUST 12,096 801,000 0.01%
239 MERCK & CO INC 12,159 700,000 0.01%
240 SCHLUMBERGER LTD 8,424 666,000 0.01%
241 ISHARES SILVER TR 35,700 638,000 0.01%
242 EXXON MOBIL CORP 6,368 597,000 0.00%
243 IDEXX LAB 6,400 594,000 0.00%
244 LINDBLAD EXPEDITIONS HLDGS I COM 50,800 489,000 0.00%
245 CAMPBELL SOUP CO 6,000 399,000 0.00%
246 CSX CORP 15,000 391,000 0.00%
247 NEW MEDIA INVT GROUP INC COM 21,500 389,000 0.00%
248 BOEING CO 2,800 364,000 0.00%
249 VENTAS INC 4,719 344,000 0.00%
250 MONDELEZ INTL INC 7,500 341,000 0.00%
Page 5 of 6

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001085146-16-004272, filed 2016.08.12).

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.