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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 (2015Q2)
Portfolio Summary: 283 holdings with a total value of $16,394,451,000.
#
Name
Shares
Value ($)
%
Options
Notes
251 MERCK & CO INC 19,659 1,119,000 0.01%
252 JOHNSON & JOHNSON 11,265 1,098,000 0.01%
253 GOLDMAN SACHS GROUP INC 5,250 1,096,000 0.01%
254 RACKSPACE HOSTING INC 29,080 1,081,000 0.01%
255 BANK AMER CORP 58,350 993,000 0.01%
256 NORTHERN TRUST 12,096 925,000 0.01%
257 SPDR SER TR 20,050 885,000 0.01%
258 WASTE CONNECTIONS INC COM 15,535 732,000 0.00%
259 SCHLUMBERGER LTD 7,979 688,000 0.00%
260 INTERVAL LEISURE GROUP INC 26,900 615,000 0.00%
261 BERKSHIRE HATHAWAY INC DEL 4,213 573,000 0.00%
262 CAPITOL ACQUISITION CORP II 50,800 536,000 0.00%
263 PROCTER AND GAMBLE CO 6,857 536,000 0.00%
264 QUOTIENT LTD 34,800 515,000 0.00%
265 UNITED STATES STL CORP NEW 23,200 478,000 0.00%
266 MEDTRONIC PLC 6,350 471,000 0.00%
267 Chubb Corporation 4,779 455,000 0.00%
268 AIR PRODS & CHEMS INC 3,320 454,000 0.00%
269 LEAR CORP 4,000 449,000 0.00%
270 MUELLER WTR PRODUCTS INCORPORATED COM SER A 48,200 439,000 0.00%
271 SOUTH STATE CORP COM USD2.5 5,700 433,000 0.00%
272 ORTHOFIX INTL N V 12,500 414,000 0.00%
273 COCA COLA CO 10,210 401,000 0.00%
274 ZYNGA INC 120,800 345,000 0.00%
275 3M CO 1,894 292,000 0.00%
276 BIOGEN INC 724 292,000 0.00%
277 OCLARO INC 127,100 287,000 0.00%
278 BUILDERS FIRSTSOURCE 21,400 275,000 0.00%
279 BOSTON PROPERTIES INC 2,200 266,000 0.00%
280 EMERSON ELEC CO 4,000 222,000 0.00%
281 LOCKHEED MARTIN CORP 1,150 214,000 0.00%
282 CARMAX INC 3,109 206,000 0.00%
283 MONSANTO CO NEW 1,874 200,000 0.00%
Page 6 of 6

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001085146-15-001755, filed 2015.08.13).

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.