WESTFIELD CAPITAL MANAGEMENT CO LP Q2 2016 Filing

Filed August 12, 2016

Portfolio Value

$12.1B

Holdings

257

Report Date

Q2 2016

Filing Type

13F-HR

All Holdings (257 positions)

#StockSharesValue% PortfolioType
201
SITESITEONE LANDSCAPE SUPPLY INC
268,490$9.1B75.29%
202
PRTAPROTHENA CORP PLC
237,880$8.3B68.61%
203
OMCLOMNICELL INC
239,271$8.2B67.57%
204
JKHYHENRY JACK & ASSOC INC
92,484$8.1B66.59%
205
TAT&T INC
183,530$7.9B65.43%
206
CSCOCISCO SYS INC
273,895$7.9B64.83%
207
GEGENERAL ELECTRIC CO
249,450$7.9B64.79%
208
PAYXPAYCHEX INC
128,669$7.7B63.17%
209
ADTNEURADTRAN INC
350,915$6.5B54.00%
210
JNJJOHNSON & JOHNSON
52,495$6.4B52.54%
211
DR PEPPER SNAPPLE GROUP INC
63,279$6.1B50.45%
212
PGPROCTER & GAMBLE CO
72,012$6.1B50.30%
213
PFEPFIZER INC
170,676$6.0B49.59%
214
KMBKIMBERLY CLARK CORP
42,897$5.9B48.65%
215
MARINE HARVEST ASA
343,545$5.8B47.90%
216
ADMARCHER DANIELS MIDLAND CO
134,500$5.8B47.60%
217
JPMJPMORGAN CHASE & CO
92,300$5.7B47.32%
218
FLOFLOWERS FOODS INC
302,823$5.7B46.85%
219
KOCOCA COLA CO
123,940$5.6B46.35%
220
PEPPEPSICO INC
52,744$5.6B46.10%
221
TANDEM DIABETES CARE INC
685,588$5.2B42.65%
222
UNHUNITEDHEALTH GROUP INC
33,660$4.8B39.21%
223
AMERICAN CAPITAL AGENCY CORP
237,170$4.7B38.79%
224
DYHTARGET CORP
64,882$4.5B37.37%
225
WMTWAL-MART STORES INC
61,360$4.5B36.97%
226
MCDMCDONALDS CORP
37,155$4.5B36.89%
227
CRUSCIRRUS LOGIC INC
98,243$3.8B31.44%
228
OECORION ENGINEERED CARBONS S A
214,595$3.4B28.13%
229
BACVERIZON COMMUNICATIONS INC
56,125$3.1B25.86%
230
IWOISHARES TR
18,740$2.6B21.21%
231
CPRTCOPART INC
51,420$2.5B20.79%
232
WCNWASTE CONNECTIONS INC
30,372$2.2B18.05%
233
ALLERGAN PLC
8,495$2.0B16.20%
234
CVSCVS HEALTH CORP
17,300$1.7B13.66%
235
MMM3M CO
9,350$1.6B13.51%
236
WBC1EURWABCO HLDGS INC
17,250$1.6B13.04%
237
DISDISNEY WALT CO
15,390$1.5B12.42%
238
NTRSNORTHERN TR CORP
12,096$801.0M6.61%
239
MRKMERCK & CO INC
12,159$700.0M5.78%
240
SLBSCHLUMBERGER LTD
8,424$666.0M5.49%
241
SLVISHARES SILVER TRUST
35,700$638.0M5.26%
242
XOMEXXON MOBIL CORP
6,368$597.0M4.93%
243
IDXXIDEXX LABS INC
6,400$594.0M4.90%
244
LINDLINDBLAD EXPEDITIONS HLDGS I
50,800$489.0M4.03%
245
CPBCAMPBELL SOUP CO
6,000$399.0M3.29%
246
CSXCSX CORP
15,000$391.0M3.23%
247
NEW MEDIA INVT GROUP INC
21,500$389.0M3.21%
248
BABOEING CO
2,800$364.0M3.00%
249
VENVENTAS INC
4,719$344.0M2.84%
250
MDLZMONDELEZ INTL INC
7,500$341.0M2.81%
251
ECLECOLAB INC
2,750$326.0M2.69%
252
ETSYETSY INC
32,400$311.0M2.57%
253
IBMINTERNATIONAL BUSINESS MACHS
2,000$304.0M2.51%
254
CBCHUBB LIMITED
2,317$303.0M2.50%
255
ARALEZ PHARMACEUTICALS INC
89,000$294.0M2.43%
256
MDTMEDTRONIC PLC
2,978$258.0M2.13%
257
STTSTATE STR CORP
3,840$207.0M1.71%
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