WESTFIELD CAPITAL MANAGEMENT CO LP

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$14.5 Billion is the total value of WESTFIELD CAPITAL MANAGEMENT CO LP's 358 reported holdings in Q2 2013. The portfolio turnover from Q1 2013 to Q2 2013 was - .

All

			Value		Shares		↓ Weighting
AAPL	New	APPLE INC COM	$358,597,000	–	904,338	+100.0%	2.47%	–
GOOGL	New	GOOGLE INC CL A	$323,460,000	–	367,414	+100.0%	2.22%	–
CELG	New	CELGENE CORP COM	$272,545,000	–	2,329,844	+100.0%	1.87%	–
TSO	New	TESORO CORP COM	$238,471,000	–	4,557,949	+100.0%	1.64%	–
V	New	VISA INC COM CL A	$196,500,000	–	1,075,239	+100.0%	1.35%	–
ADS	New	ALLIANCE DATA SYSTEMS CORP COM	$188,587,000	–	1,041,746	+100.0%	1.30%	–
COO	New	COOPER COS INC COM NEW	$184,631,000	–	1,550,865	+100.0%	1.27%	–
ACT	New	ACTAVIS INC COM	$177,525,000	–	1,406,470	+100.0%	1.22%	–
TMO	New	THERMO FISHER SCIENTIFIC INC C	$176,871,000	–	2,089,937	+100.0%	1.22%	–
COST	New	COSTCO WHSL CORP NEW COM	$173,647,000	–	1,570,471	+100.0%	1.19%	–
BMY	New	BRISTOL MYERS SQUIBB CO COM	$163,316,000	–	3,654,422	+100.0%	1.12%	–
UTX	New	UNITED TECHNOLOGIES CORP COM	$163,175,000	–	1,755,701	+100.0%	1.12%	–
AIG	New	AMERICAN INTL GROUP INC COM NE	$158,057,000	–	3,535,965	+100.0%	1.09%	–
MRK	New	MERCK & CO INC NEW COM	$157,470,000	–	3,390,112	+100.0%	1.08%	–
VLO	New	VALERO ENERGY CORP NEW COM	$157,101,000	–	4,518,286	+100.0%	1.08%	–
HD	New	HOME DEPOT INC COM	$156,923,000	–	2,025,593	+100.0%	1.08%	–
HSY	New	HERSHEY CO COM	$153,851,000	–	1,723,248	+100.0%	1.06%	–
PCLN	New	PRICELINE COM INC COM NEW	$150,664,000	–	182,254	+100.0%	1.04%	–
DIS	New	DISNEY WALT CO COM DISNEY	$150,474,000	–	2,382,798	+100.0%	1.04%	–
CAH	New	CARDINAL HEALTH INC COM	$140,598,000	–	2,978,773	+100.0%	0.97%	–
MDLZ	New	MONDELEZ INTL INC CL A	$139,096,000	–	4,875,431	+100.0%	0.96%	–
SBUX	New	STARBUCKS CORP COM	$138,941,000	–	2,120,916	+100.0%	0.96%	–
PCP	New	PRECISION CASTPARTS CORP COM	$136,841,000	–	605,465	+100.0%	0.94%	–
CMCSA	New	COMCAST CORP NEW CL A	$134,835,000	–	3,229,584	+100.0%	0.93%	–
DHR	New	DANAHER CORP DEL COM	$133,800,000	–	2,113,750	+100.0%	0.92%	–
MON	New	MONSANTO CO NEW COM	$132,842,000	–	1,344,553	+100.0%	0.91%	–
CRM	New	SALESFORCE COM INC COM	$132,089,000	–	3,459,632	+100.0%	0.91%	–
WFM	New	WHOLE FOODS MKT INC COM	$121,945,000	–	2,368,777	+100.0%	0.84%	–
AMZN	New	AMAZON COM INC COM	$120,909,000	–	435,413	+100.0%	0.83%	–
QCOM	New	QUALCOMM INC COM	$119,981,000	–	1,964,007	+100.0%	0.82%	–
KO	New	COCA COLA CO COM	$119,522,000	–	2,979,852	+100.0%	0.82%	–
NLSN	New	NIELSEN HOLDINGS N V COM	$116,208,000	–	3,459,585	+100.0%	0.80%	–
HAL	New	HALLIBURTON CO COM	$115,286,000	–	2,763,339	+100.0%	0.79%	–
CTXS	New	CITRIX SYS INC COM	$114,968,000	–	1,904,711	+100.0%	0.79%	–
PFE	New	PFIZER INC COM	$109,689,000	–	3,916,078	+100.0%	0.75%	–
STT	New	STATE STR CORP COM	$109,258,000	–	1,675,475	+100.0%	0.75%	–
NKE	New	NIKE INC CL B	$107,519,000	–	1,688,438	+100.0%	0.74%	–
VIAB	New	VIACOM INC NEW CL B	$106,597,000	–	1,566,914	+100.0%	0.73%	–
NOV	New	NATIONAL OILWELL VARCO INC COM	$105,675,000	–	1,533,750	+100.0%	0.73%	–
JPM	New	JPMORGAN CHASE & CO COM	$104,669,000	–	1,982,728	+100.0%	0.72%	–
ARTC	New	ARTHROCARE CORP COM	$100,694,000	–	2,916,136	+100.0%	0.69%	–
WSM	New	WILLIAMS SONOMA INC COM	$100,362,000	–	1,795,697	+100.0%	0.69%	–
FMC	New	F M C CORP COM NEW	$97,887,000	–	1,603,132	+100.0%	0.67%	–
MTD	New	METTLER TOLEDO INTERNATIONAL C	$96,837,000	–	481,296	+100.0%	0.67%	–
TDG	New	TRANSDIGM GROUP INC COM	$95,377,000	–	608,392	+100.0%	0.66%	–
CCK	New	CROWN HOLDINGS INC COM	$94,867,000	–	2,306,494	+100.0%	0.65%	–
IP	New	INTL PAPER CO COM	$93,104,000	–	2,101,199	+100.0%	0.64%	–
ALKS	New	ALKERMES PLC SHS	$90,286,000	–	3,148,030	+100.0%	0.62%	–
KRFT	New	KRAFT FOODS GROUP INC COM	$89,313,000	–	1,598,597	+100.0%	0.61%	–
CSX	New	CSX CORP COM	$88,789,000	–	3,828,730	+100.0%	0.61%	–
NUAN	New	NUANCE COMMUNICATIONS INC COM	$85,338,000	–	4,637,930	+100.0%	0.59%	–
LEN	New	LENNAR CORP CL A	$84,136,000	–	2,334,514	+100.0%	0.58%	–
BWA	New	BORGWARNER INC COM	$83,234,000	–	966,148	+100.0%	0.57%	–
PPG	New	PPG INDS INC COM	$81,933,000	–	559,608	+100.0%	0.56%	–
JAH	New	JARDEN CORP COM	$81,265,000	–	1,857,472	+100.0%	0.56%	–
OXY	New	OCCIDENTAL PETE CORP DEL COM	$80,009,000	–	896,659	+100.0%	0.55%	–
CBST	New	CUBIST PHARMACEUTICALS INC COM	$76,838,000	–	1,591,179	+100.0%	0.53%	–
IHS	New	IHS INC CL A	$76,208,000	–	730,104	+100.0%	0.52%	–
SU	New	SUNCOR ENERGY INC NEW COM	$75,156,000	–	2,548,517	+100.0%	0.52%	–
PCAR	New	PACCAR INC COM	$73,980,000	–	1,378,686	+100.0%	0.51%	–
HUBB	New	HUBBELL INC CL B	$73,730,000	–	744,747	+100.0%	0.51%	–
CSCO	New	CISCO SYS INC COM	$73,635,000	–	3,025,920	+100.0%	0.51%	–
RDC	New	ROWAN COMPANIES LTD	$72,841,000	–	2,138,000	+100.0%	0.50%	–
SWKS	New	SKYWORKS SOLUTIONS INC COM	$71,345,000	–	3,259,244	+100.0%	0.49%	–
ECL	New	ECOLAB INC COM	$70,786,000	–	830,915	+100.0%	0.49%	–
DNRCQ	New	DENBURY RES INC COM NEW	$70,666,000	–	4,080,038	+100.0%	0.49%	–
SIG	New	SIGNET JEWELERS LIMITED SHS	$70,010,000	–	1,038,265	+100.0%	0.48%	–
QLIK	New	QLIK TECHNOLOGIES INC COM	$69,709,000	–	2,465,836	+100.0%	0.48%	–
VOD	New	VODAFONE GROUP PLC ADR	$69,377,000	–	2,413,537	+100.0%	0.48%	–
BEAV	New	B/E AEROSPACE INC COM	$68,074,000	–	1,079,179	+100.0%	0.47%	–
CNX	New	CONSOL ENERGY INC COM	$67,465,000	–	2,489,495	+100.0%	0.46%	–
URBN	New	URBAN OUTFITTERS INC COM	$66,656,000	–	1,657,290	+100.0%	0.46%	–
ADSK	New	AUTODESK INC COM	$66,025,000	–	1,945,330	+100.0%	0.45%	–
BECN	New	BEACON ROOFING SUPPLY INC COM	$65,070,000	–	1,717,780	+100.0%	0.45%	–
WCC	New	WESCO INTL INC COM	$65,019,000	–	956,725	+100.0%	0.45%	–
IDXX	New	IDEXX LABS INC COM	$64,649,000	–	720,810	+100.0%	0.44%	–
FTNT	New	FORTINET INC COM	$64,444,000	–	3,682,540	+100.0%	0.44%	–
EBAY	New	EBAY INC COM	$63,580,000	–	1,229,315	+100.0%	0.44%	–
EMC	New	E M C CORP MASS COM	$63,263,000	–	2,678,368	+100.0%	0.44%	–
RJF	New	RAYMOND JAMES FINANCIAL INC.	$62,089,000	–	1,444,600	+100.0%	0.43%	–
WCN	New	WASTE CONNECTIONS INC COM	$61,806,000	–	1,502,339	+100.0%	0.42%	–
BGS	New	B & G FOODS INC NEW COM	$61,167,000	–	1,796,369	+100.0%	0.42%	–
TSS	New	TOTAL SYS SVCS INC	$61,179,000	–	2,499,150	+100.0%	0.42%	–
SWK	New	STANLEY BLACK & DECKER INC COM	$61,071,000	–	790,057	+100.0%	0.42%	–
LVS	New	LAS VEGAS SANDS CORP COM	$60,549,000	–	1,143,931	+100.0%	0.42%	–
SCI	New	SERVICE CORP INTL COM	$60,461,000	–	3,353,350	+100.0%	0.42%	–
FLT	New	FLEETCOR TECHNOLOGIES INC COM	$59,940,000	–	737,265	+100.0%	0.41%	–
AMP	New	AMERIPRISE FINL INC COM	$59,560,000	–	736,405	+100.0%	0.41%	–
FL	New	FOOT LOCKER INC COM	$58,746,000	–	1,672,234	+100.0%	0.40%	–
LAZ	New	LAZARD LTD SHS A	$58,613,000	–	1,823,110	+100.0%	0.40%	–
RE	New	EVEREST RE GROUP LTD COM	$58,502,000	–	456,122	+100.0%	0.40%	–
BBY	New	BEST BUY INC COM	$57,650,000	–	2,109,410	+100.0%	0.40%	–
SMG	New	SCOTTS MIRACLE GRO CO CL A	$56,827,000	–	1,176,300	+100.0%	0.39%	–
AMT	New	AMERICAN TOWER CORP CL A	$54,291,000	–	741,987	+100.0%	0.37%	–
ICLR	New	ICON PLC	$53,281,000	–	1,503,834	+100.0%	0.37%	–
HMA	New	HEALTH MGMT ASSOC INC NEW CL A	$52,971,000	–	3,369,655	+100.0%	0.36%	–
FRC	New	FIRST REP BK SAN FRAN CALI NEW	$51,322,000	–	1,333,715	+100.0%	0.35%	–
WSO	New	WATSCO INC COM	$51,200,000	–	609,812	+100.0%	0.35%	–
NXPI	New	NXP SEMICONDUCTORS N V COM	$50,729,000	–	1,635,375	+100.0%	0.35%	–
CMA	New	COMERICA INC	$50,643,000	–	1,271,495	+100.0%	0.35%	–
JLL	New	JONES LANG LASALLE INC COM	$50,487,000	–	553,951	+100.0%	0.35%	–
NVR	New	NVR INC	$49,825,000	–	54,040	+100.0%	0.34%	–
PKG	New	PACKAGING CORP AMER COM	$49,793,000	–	1,017,017	+100.0%	0.34%	–
HXL	New	HEXCEL CORP NEW COM	$49,633,000	–	1,457,643	+100.0%	0.34%	–
MDVN	New	MEDIVATION INC COM	$49,141,000	–	998,800	+100.0%	0.34%	–
CYT	New	CYTEC INDS INC	$46,174,000	–	630,370	+100.0%	0.32%	–
CBRE	New	CBRE GROUP INC	$45,774,000	–	1,959,493	+100.0%	0.32%	–
HURN	New	HURON CONSULTING GROUP INC COM	$44,926,000	–	971,564	+100.0%	0.31%	–
TKR	New	TIMKEN CO COM	$44,481,000	–	790,356	+100.0%	0.31%	–
ALEX	New	ALEXANDER & BALDWIN INC NEW CO	$44,428,000	–	1,117,690	+100.0%	0.30%	–
RHT	New	RED HAT INC COM	$44,358,000	–	927,610	+100.0%	0.30%	–
EAT	New	BRINKER INTL INC	$44,213,000	–	1,121,310	+100.0%	0.30%	–
HAR	New	HARMAN INTL INDS INC COM	$42,718,000	–	788,151	+100.0%	0.29%	–
JBHT	New	HUNT J B TRANS SVCS INC COM	$42,558,000	–	589,125	+100.0%	0.29%	–
CNQR	New	CONCUR TECHNOLOGIES INC COM	$42,431,000	–	521,400	+100.0%	0.29%	–
TMHC	New	TAYLOR MORRISON HOME CORP A	$41,473,000	–	1,701,110	+100.0%	0.28%	–
LNKD	New	LINKEDIN CORPORATION	$41,422,000	–	232,315	+100.0%	0.28%	–
TMH	New	TEAM HEALTH HOLDINGS INC COM	$41,321,000	–	1,006,093	+100.0%	0.28%	–
GNCIQ	New	GNC HLDGS INC COM CL A	$40,762,000	–	922,005	+100.0%	0.28%	–
XRAY	New	DENTSPLY INTL INC NEW COM	$40,647,000	–	992,366	+100.0%	0.28%	–
LSTR	New	LANDSTAR SYS INC COM	$39,955,000	–	775,815	+100.0%	0.28%	–
ROC	New	ROCKWOOD HLDGS INC COM	$39,120,000	–	610,965	+100.0%	0.27%	–
MDR	New	MCDERMOTT INTL INC COM	$39,104,000	–	4,780,395	+100.0%	0.27%	–
CVD	New	COVANCE INC COM	$38,583,000	–	506,725	+100.0%	0.26%	–
TSCO	New	TRACTOR SUPPLY CO	$38,235,000	–	325,278	+100.0%	0.26%	–
CSGP	New	COSTAR GROUP INC	$38,200,000	–	295,967	+100.0%	0.26%	–
CEB	New	CORPORATE EXECUTIVE BRD CO COM	$38,122,000	–	603,008	+100.0%	0.26%	–
G	New	GENPACT LIMITED SHS	$38,122,000	–	1,981,390	+100.0%	0.26%	–
EMN	New	EASTMAN CHEM CO	$36,637,000	–	523,306	+100.0%	0.25%	–
MAT	New	MATTEL INC COM	$36,292,000	–	800,970	+100.0%	0.25%	–
KS	New	KAPSTONE PAPER & PACKAGING CRP	$36,423,000	–	906,496	+100.0%	0.25%	–
INFA	New	INFORMATICA CORP	$36,197,000	–	1,034,800	+100.0%	0.25%	–
AVGO	New	AVAGO TECHNOLOGIES LTD SHS	$36,127,000	–	966,465	+100.0%	0.25%	–
OC	New	OWENS CORNING NEW COM	$35,881,000	–	918,150	+100.0%	0.25%	–
BCR	New	BARD C R INC COM	$35,822,000	–	329,610	+100.0%	0.25%	–
CYH	New	COMMUNITY HEALTH SYS INC	$35,581,000	–	758,990	+100.0%	0.24%	–
STE	New	STERIS CORP COM	$35,434,000	–	826,356	+100.0%	0.24%	–
NSC	New	NORFOLK SOUTHERN CORP COM	$35,346,000	–	486,525	+100.0%	0.24%	–
GCI	New	GANNETT INC COM	$34,767,000	–	1,421,400	+100.0%	0.24%	–
MELI	New	MERCADOLIBRE INC	$34,220,000	–	317,560	+100.0%	0.24%	–
SCS	New	STEELCASE INC CL A	$34,092,000	–	2,338,267	+100.0%	0.23%	–
MHK	New	MOHAWK INDS INC	$33,891,000	–	301,280	+100.0%	0.23%	–
TWI	New	TITAN INTL INC ILL COM	$33,958,000	–	2,012,892	+100.0%	0.23%	–
MASI	New	MASIMO CORP COM	$33,819,000	–	1,595,278	+100.0%	0.23%	–
WFT	New	WEATHERFORD INTERNATIONAL LTD	$32,525,000	–	2,374,110	+100.0%	0.22%	–
SPNV	New	SUPERIOR ENERGY SVCS INC COM	$32,502,000	–	1,252,975	+100.0%	0.22%	–
5100PS	New	VOLCANO CORPORATION COM	$31,913,000	–	1,760,248	+100.0%	0.22%	–
TILE	New	INTERFACE INC COM	$31,112,000	–	1,833,384	+100.0%	0.21%	–
GNW	New	GENWORTH FINL INC COM CL A	$30,790,000	–	2,698,570	+100.0%	0.21%	–
AWAY	New	HOMEAWAY INC COM	$30,871,000	–	954,570	+100.0%	0.21%	–
EWBC	New	EAST WEST BANCORP INC COM	$30,864,000	–	1,122,315	+100.0%	0.21%	–
RGA	New	REINSURANCE GROUP AMER COM	$30,668,000	–	443,760	+100.0%	0.21%	–
CFX	New	COLFAX CORP COM	$30,662,000	–	588,419	+100.0%	0.21%	–
LBTYA	New	LIBERTY GLOBAL PLC SHS CL A	$30,494,000	–	414,940	+100.0%	0.21%	–
TOL	New	TOLL BROTHERS INC	$30,361,000	–	930,460	+100.0%	0.21%	–
JWN	New	NORDSTROM INC COM	$29,770,000	–	496,665	+100.0%	0.20%	–
SPF	New	STANDARD PAC CORP NEW COM	$29,843,000	–	3,582,600	+100.0%	0.20%	–
VR	New	VALIDUS HOLDINGS LTD COM SHS	$29,389,000	–	813,650	+100.0%	0.20%	–
BYI	New	BALLY TECHNOLOGIES INC COM	$29,091,000	–	515,630	+100.0%	0.20%	–
WCRX	New	WARNER CHILCOTT PLC IRELAND SH	$28,983,000	–	1,455,770	+100.0%	0.20%	–
MWIV	New	MWI VETERINARY SUPPLY INC COM	$28,799,000	–	233,681	+100.0%	0.20%	–
MSG	New	MADISON SQUARE GARDEN CO	$28,837,000	–	486,700	+100.0%	0.20%	–
AMCX	New	AMC NETWORKS INC CL A	$28,485,000	–	436,023	+100.0%	0.20%	–
URI	New	UNITED RENTALS INC COM	$28,365,000	–	568,325	+100.0%	0.20%	–
LKQ	New	LKQ CORP COM	$27,965,000	–	1,086,050	+100.0%	0.19%	–
MLM	New	MARTIN MARIETTA MATLS INC COM	$27,749,000	–	281,945	+100.0%	0.19%	–
SBAC	New	SBA COMMUNICATIONS CORP COM	$26,398,000	–	356,160	+100.0%	0.18%	–
LRCX	New	LAM RESEARCH CORP COM	$26,387,000	–	595,106	+100.0%	0.18%	–
DLLR	New	DFC GLOBAL CORP	$26,113,000	–	1,890,933	+100.0%	0.18%	–
MAS	New	MASCO CORP	$26,088,000	–	1,338,520	+100.0%	0.18%	–
NTAP	New	NETAPP INC COM	$25,852,000	–	684,290	+100.0%	0.18%	–
ALSN	New	ALLISON TRANSMISSION HLDGS INC	$25,776,000	–	1,116,810	+100.0%	0.18%	–
RVBD	New	RIVERBED TECHNOLOGY INC COM	$25,328,000	–	1,627,755	+100.0%	0.17%	–
WNR	New	WESTERN REFNG INC	$25,019,000	–	891,310	+100.0%	0.17%	–
HTZ	New	HERTZ GLOBAL HOLDINGS INC COM	$24,838,000	–	1,001,497	+100.0%	0.17%	–
DISCA	New	DISCOVERY COMMUNICATNS NEW COM	$24,903,000	–	322,405	+100.0%	0.17%	–
ESV	New	ENSCO PLC	$24,275,000	–	417,672	+100.0%	0.17%	–
IWO	New	ISHARES TR RUSL 2000 GROW	$24,057,000	–	215,740	+100.0%	0.16%	–
MANU	New	MANCHESTER UNITED LTD	$23,904,000	–	1,501,489	+100.0%	0.16%	–
CE	New	CELANESE CORP DEL COM SER A	$23,733,000	–	529,757	+100.0%	0.16%	–
GME	New	GAMESTOP CORP NEW CL A	$23,646,000	–	562,590	+100.0%	0.16%	–
LAD	New	LITHIA MTRS INC CL A	$23,277,000	–	436,640	+100.0%	0.16%	–
ULTI	New	ULTIMATE SOFTWARE GROUP INC CO	$22,363,000	–	190,664	+100.0%	0.15%	–
NICE	New	NICE SYS LTD SPONSORED ADR	$22,454,000	–	608,683	+100.0%	0.15%	–
OIS	New	OIL STS INTL INC COM	$22,222,000	–	239,875	+100.0%	0.15%	–
SWI	New	SOLARWINDS INC COM	$22,076,000	–	568,838	+100.0%	0.15%	–
WWAV	New	WHITEWAVE FOODS CO-A	$22,023,000	–	1,355,255	+100.0%	0.15%	–
BFAM	New	BRIGHT HORIZONS FAM SOL IN DEL	$21,820,000	–	628,650	+100.0%	0.15%	–
HOT	New	STARWOOD HOTELS&RESORTS WRLDWD	$21,217,000	–	335,760	+100.0%	0.15%	–
QDEL	New	QUIDEL CORP COM	$21,181,000	–	829,636	+100.0%	0.15%	–
HUN	New	HUNTSMAN CORP COM	$21,286,000	–	1,285,370	+100.0%	0.15%	–
IT	New	GARTNER INC COM	$21,174,000	–	371,542	+100.0%	0.15%	–
GWRE	New	GUIDEWIRE SOFTWARE INC COM	$20,984,000	–	499,025	+100.0%	0.14%	–
CYBX	New	CYBERONICS INC COM	$20,643,000	–	397,290	+100.0%	0.14%	–
RCII	New	RENT A CTR INC NEW COM	$20,616,000	–	549,029	+100.0%	0.14%	–
SFLY	New	SHUTTERFLY INC COM	$20,686,000	–	369,990	+100.0%	0.14%	–
CTSH	New	COGNIZANT TECHNOLOGY SOLUTIONS	$20,519,000	–	327,577	+100.0%	0.14%	–
TDC	New	TERADATA CORP DEL COM	$20,555,000	–	409,221	+100.0%	0.14%	–
BIN	New	PROGRESSIVE WASTE SOLUTIONS LT	$20,258,000	–	941,792	+100.0%	0.14%	–
MCHP	New	MICROCHIP TECHNOLOGY	$19,889,000	–	533,925	+100.0%	0.14%	–
WYNN	New	WYNN RESORTS LTD COM	$19,894,000	–	155,455	+100.0%	0.14%	–
JNPR	New	JUNIPER NETWORKS INC COM	$19,917,000	–	1,031,420	+100.0%	0.14%	–
WNS	New	WNS HOLDINGS LTD SPON ADR	$19,538,000	–	1,170,621	+100.0%	0.13%	–
CAKE	New	CHEESECAKE FACTORY INC COM	$19,195,000	–	458,224	+100.0%	0.13%	–
MLHR	New	MILLER HERMAN INC COM	$18,990,000	–	701,521	+100.0%	0.13%	–
SHOO	New	MADDEN STEVEN LTD COM	$18,678,000	–	386,073	+100.0%	0.13%	–
LHO	New	LASALLE HOTEL PPTYS COM SH BEN	$18,483,000	–	70,900	+100.0%	0.13%	–
XPO	New	XPO LOGISTICS INC COM	$18,182,000	–	1,005,068	+100.0%	0.12%	–
DG	New	DOLLAR GEN CORP COM	$18,224,000	–	361,380	+100.0%	0.12%	–
TGI	New	TRIUMPH GROUP INC NEW COM	$17,936,000	–	226,607	+100.0%	0.12%	–
RHI	New	ROBERT HALF INTL INC	$17,924,000	–	539,390	+100.0%	0.12%	–
AKAM	New	AKAMAI TECHNOLOGIES INC COM	$17,679,000	–	415,490	+100.0%	0.12%	–
CY	New	CYPRESS SEMICONDUCTOR	$17,719,000	–	1,651,400	+100.0%	0.12%	–
PVH	New	PVH CORP	$17,383,000	–	139,010	+100.0%	0.12%	–
XLNX	New	XILINX INC COM	$17,409,000	–	439,500	+100.0%	0.12%	–
TIF	New	TIFFANY & CO NEW COM	$17,468,000	–	239,810	+100.0%	0.12%	–
ALB	New	ALBEMARLE CORP COM	$17,361,000	–	278,720	+100.0%	0.12%	–
ARUN	New	ARUBA NETWORKS INC COM	$16,924,000	–	1,101,780	+100.0%	0.12%	–
MTDR	New	MATADOR RES CO COM	$16,420,000	–	1,370,553	+100.0%	0.11%	–
WSH	New	WILLIS GROUP HOLDINGS PUBLIC L	$16,399,000	–	402,140	+100.0%	0.11%	–
ANF	New	ABERCROMBIE & FITCH CO CL A	$16,353,000	–	361,400	+100.0%	0.11%	–
4107PS	New	MEADWESTVACO CORP	$15,579,000	–	456,730	+100.0%	0.11%	–
VMC	New	VULCAN MATLS CO	$15,542,000	–	321,040	+100.0%	0.11%	–
MATX	New	MATSON INC COM	$15,372,000	–	614,892	+100.0%	0.11%	–
SPXC	New	SPX CORP	$15,286,000	–	212,365	+100.0%	0.10%	–
MGI	New	MONEYGRAM INTL INC COM NEW	$15,191,000	–	670,672	+100.0%	0.10%	–
DRI	New	DARDEN RESTAURANTS INC	$14,286,000	–	283,000	+100.0%	0.10%	–
ARCO	New	ARCOS DORADOS HOLDINGS INC SHS	$14,123,000	–	1,209,147	+100.0%	0.10%	–
BXMT	New	BLACKSTONE MTG TR INC COM CL A	$13,610,000	–	551,020	+100.0%	0.09%	–
CDNS	New	CADENCE DESIGN SYSTEM INC COM	$13,694,000	–	945,736	+100.0%	0.09%	–
CHKP	New	CHECK POINT SOFTWARE TECH LTD	$13,648,000	–	274,715	+100.0%	0.09%	–
XXIA	New	IXIA	$13,466,000	–	731,817	+100.0%	0.09%	–
FXCM	New	FXCM INC COM CL A	$13,141,000	–	800,787	+100.0%	0.09%	–
DXCM	New	DEXCOM INC COM	$12,857,000	–	572,710	+100.0%	0.09%	–
MGAM	New	MULTIMEDIA GAMES INC	$12,521,000	–	480,280	+100.0%	0.09%	–
EQIX	New	EQUINIX INC	$12,563,000	–	68,010	+100.0%	0.09%	–
GDOT	New	GREEN DOT CORP CL A	$11,126,000	–	557,688	+100.0%	0.08%	–
CHD	New	CHURCH & DWIGHT INC COM	$10,833,000	–	175,539	+100.0%	0.07%	–
PFSI	New	PENNYMAC FINANCIAL SERVICES	$10,817,000	–	508,580	+100.0%	0.07%	–
MACK	New	MERRIMACK PHARMACEUTICALS INC.	$10,055,000	–	1,491,850	+100.0%	0.07%	–
FLTX	New	FLEETMATICS GROUP PLC COM	$10,031,000	–	301,866	+100.0%	0.07%	–
INXN	New	INTERXION HOLDINGS NV	$9,501,000	–	363,620	+100.0%	0.06%	–
NGVC	New	NATURAL GROCERS BY VITAMIN COT	$8,647,000	–	278,934	+100.0%	0.06%	–
FFIV	New	F5 NETWORKS INC	$8,406,000	–	122,180	+100.0%	0.06%	–
PBYI	New	PUMA BIOTECHNOLOGY INC COM	$8,191,000	–	184,600	+100.0%	0.06%	–
WEX	New	WEX INC COM	$7,937,000	–	103,480	+100.0%	0.06%	–
MPWR	New	MONOLITHIC PWR SYS INC COM	$7,170,000	–	297,420	+100.0%	0.05%	–
SATS	New	ECHOSTAR CORP CL A	$7,138,000	–	182,513	+100.0%	0.05%	–
IDIX	New	IDENIX PHARMACEUTICALS INC COM	$6,679,000	–	1,850,034	+100.0%	0.05%	–
FIVE	New	FIVE BELOW	$6,661,000	–	180,809	+100.0%	0.05%	–
ARII	New	AMERICAN RAILCAR INDS COM	$6,718,000	–	200,484	+100.0%	0.05%	–
GE	New	GENERAL ELECTRIC CO COM	$6,108,000	–	263,402	+100.0%	0.04%	–
VRTU	New	VIRTUSA CORP COM	$5,637,000	–	254,400	+100.0%	0.04%	–
MSFT	New	MICROSOFT CORP COM	$5,279,000	–	152,810	+100.0%	0.04%	–
EV	New	EATON VANCE CORP COM NON VTG	$4,266,000	–	113,479	+100.0%	0.03%	–
FAST	New	FASTENAL CO	$3,889,000	–	84,935	+100.0%	0.03%	–
GS	New	GOLDMAN SACHS GROUP INC COM	$3,785,000	–	25,025	+100.0%	0.03%	–
LLY	New	LILLY ELI & CO COM	$2,991,000	–	60,900	+100.0%	0.02%	–
PCL	New	PLUM CREEK TIMBER CO INC COM	$2,646,000	–	56,700	+100.0%	0.02%	–
	New	HCA INCcorp bond	$2,095,000	–	2,000,000	+100.0%	0.01%	–
BGCP	New	BGC PARTNERS INC CL A	$1,867,000	–	3,357,700	+100.0%	0.01%	–
AXLL	New	AXIALL CORP	$1,839,000	–	43,187	+100.0%	0.01%	–
VZ	New	VERIZON COMMUNICATIONS INC COM	$1,545,000	–	30,700	+100.0%	0.01%	–
CVS	New	CVS CAREMARK CORPORATION COM	$1,550,000	–	27,100	+100.0%	0.01%	–
SLB	New	SCHLUMBERGER LTD COM	$1,422,000	–	19,849	+100.0%	0.01%	–
XOM	New	EXXON MOBIL CORP COM	$1,485,000	–	16,432	+100.0%	0.01%	–
MO	New	ALTRIA GROUP INC COM	$1,519,000	–	43,408	+100.0%	0.01%	–
SNY	New	SANOFI AVENTIS SPONSORED ADR	$1,455,000	–	28,240	+100.0%	0.01%	–
LOW	New	LOWES COS INC COM	$1,523,000	–	37,243	+100.0%	0.01%	–
MIC	New	MACQUARIE INFRASTRUCTURE CO	$1,523,000	–	28,500	+100.0%	0.01%	–
MET	New	METLIFE INC COM	$1,385,000	–	30,260	+100.0%	0.01%	–
ABBV	New	ABBVIE INC	$1,353,000	–	32,740	+100.0%	0.01%	–
4945SC	New	KINDER MORGAN ENERGY PARTNERS	$1,349,000	–	15,800	+100.0%	0.01%	–
TUP	New	TUPPERWARE CORP	$1,334,000	–	17,170	+100.0%	0.01%	–
ADP	New	AUTOMATIC DATA PROCESSING INC	$1,252,000	–	18,175	+100.0%	0.01%	–
KMB	New	KIMBERLY CLARK CORP COM	$1,254,000	–	12,910	+100.0%	0.01%	–
APD	New	AIR PRODS & CHEMS INC COM	$1,296,000	–	14,150	+100.0%	0.01%	–
SJM	New	SMUCKER J M CO	$1,235,000	–	11,970	+100.0%	0.01%	–
PEP	New	PEPSICO INC COM	$1,236,000	–	15,111	+100.0%	0.01%	–
K	New	KELLOGG CO	$1,186,000	–	18,460	+100.0%	0.01%	–
JNJ	New	JOHNSON & JOHNSON COM	$1,073,000	–	12,500	+100.0%	0.01%	–
BCE	New	BCE INC COM NEW	$1,000,000	–	24,370	+100.0%	0.01%	–
RAI	New	REYNOLDS AMERICAN INC COM	$1,016,000	–	21,000	+100.0%	0.01%	–
KOF	New	COCA-COLA FEMSA SAB-SP ADR	$981,000	–	6,990	+100.0%	0.01%	–
AYI	New	ACUITY BRANDS INC COM	$958,000	–	12,690	+100.0%	0.01%	–
STR	New	QUESTAR CORP	$1,029,000	–	43,150	+100.0%	0.01%	–
WYND	New	WYNDHAM WORLDWIDE CORP COM	$1,053,000	–	18,400	+100.0%	0.01%	–
ATMI	New	ATMI INC COM	$987,000	–	41,730	+100.0%	0.01%	–
GSK	New	GLAXOSMITHKLINE PLC ADR	$1,000,000	–	20,020	+100.0%	0.01%	–
MPC	New	MARATHON PETE CORP COM	$892,000	–	12,550	+100.0%	0.01%	–
IBM	New	INTERNATIONAL BUSINESS MACHS C	$899,000	–	4,703	+100.0%	0.01%	–
AWK	New	AMERICAN WTR WKS CO INC NEW CO	$924,000	–	22,420	+100.0%	0.01%	–
GPC	New	GENUINE PARTS CO COM	$891,000	–	11,410	+100.0%	0.01%	–
ABR	New	ARBOR RLTY TR INC COM	$940,000	–	149,650	+100.0%	0.01%	–
EPD	New	ENTERPRISE PRODS PARTN	$861,000	–	13,850	+100.0%	0.01%	–
SYY	New	SYSCO CORP COM	$936,000	–	27,390	+100.0%	0.01%	–
ADI	New	ANALOG DEVICES INC	$893,000	–	19,810	+100.0%	0.01%	–
TWX	New	TIME WARNER INC COM NEW	$863,000	–	14,920	+100.0%	0.01%	–
ORCL	New	ORACLE CORP COM	$854,000	–	27,798	+100.0%	0.01%	–
ATRO	New	ASTRONICS CORP COM	$689,000	–	16,850	+100.0%	0.01%	–
NTRS	New	NORTHERN TR CORP COM	$700,000	–	12,096	+100.0%	0.01%	–
FRX	New	FOREST LABS INC COM	$681,000	–	16,600	+100.0%	0.01%	–
BRKB	New	BERKSHIRE HATHAWAY INC DEL CL	$751,000	–	6,713	+100.0%	0.01%	–
VPHM	New	VIROPHARMA INC COM	$739,000	–	25,800	+100.0%	0.01%	–
BUD	New	ANHEUSER BUSCH INBEV SA/NV SPO	$546,000	–	6,050	+100.0%	0.00%	–
PG	New	PROCTER & GAMBLE CO COM	$548,000	–	7,117	+100.0%	0.00%	–
INGR	New	INGREDION INC	$537,000	–	8,180	+100.0%	0.00%	–
MKC	New	MCCORMICK & CO INC	$587,000	–	8,340	+100.0%	0.00%	–
PLL	New	PALL CORP COM	$638,000	–	9,600	+100.0%	0.00%	–
VVTV	New	VALUEVISION MEDIA INC CL A	$574,000	–	112,400	+100.0%	0.00%	–
MJN	New	MEAD JOHNSON NUTRITION CO	$581,000	–	7,330	+100.0%	0.00%	–
CL	New	COLGATE PALMOLIVE CO COM	$510,000	–	8,910	+100.0%	0.00%	–
UNP	New	UNION PAC CORP COM	$432,000	–	2,800	+100.0%	0.00%	–
ARAY	New	ACCURAY INC	$432,000	–	75,200	+100.0%	0.00%	–
EGL	New	ENGILITY HOLDINGS INC.	$378,000	–	13,300	+100.0%	0.00%	–
CSII	New	CARDIOVASCULAR SYS INC DEL COM	$388,000	–	18,300	+100.0%	0.00%	–
MHLD	New	MAIDEN HOLDINGS LTD.	$370,000	–	33,000	+100.0%	0.00%	–
SNAK	New	INVENTURE FOODS INC COM	$375,000	–	44,800	+100.0%	0.00%	–
RSE	New	ROUSE PPTYS INC COM	$491,000	–	25,000	+100.0%	0.00%	–
AGNC	New	AMERICAN CAPITAL AGENCY CORP C	$426,000	–	18,530	+100.0%	0.00%	–
CBM	New	CAMBREX CORP COM	$376,000	–	26,900	+100.0%	0.00%	–
IPHI	New	INPHI CORP COM	$392,000	–	35,600	+100.0%	0.00%	–
CB	New	CHUBB CORP COM	$405,000	–	4,779	+100.0%	0.00%	–
JBT	New	JOHN BEAN TECHNOLOGIES CORP CO	$395,000	–	18,800	+100.0%	0.00%	–
USPH	New	U S PHYSICAL THERAPY COM	$334,000	–	12,100	+100.0%	0.00%	–
GPX	New	GP STRATEGIES CORP COM	$243,000	–	10,200	+100.0%	0.00%	–
NEU	New	NEWMARKET CORP COM	$339,000	–	1,290	+100.0%	0.00%	–
VTR	New	VENTAS INC	$328,000	–	4,719	+100.0%	0.00%	–
GASS	New	STEALTHGAS INC	$239,000	–	21,700	+100.0%	0.00%	–
CBRL	New	CRACKER BARREL OLD CTRY STORE	$317,000	–	3,350	+100.0%	0.00%	–
BXP	New	BOSTON PROPERTIES INC COM	$232,000	–	2,200	+100.0%	0.00%	–
MDT	New	MEDTRONIC INC COM	$362,000	–	7,034	+100.0%	0.00%	–
P	New	PANDORA MEDIA INC COM	$230,000	–	12,500	+100.0%	0.00%	–
CCC	New	CALGON CARBON CORP COM	$285,000	–	17,100	+100.0%	0.00%	–
CALX	New	CALIX INC COM	$345,000	–	34,200	+100.0%	0.00%	–
LGND	New	LIGAND PHARMACEUTICALS CL B	$254,000	–	6,800	+100.0%	0.00%	–
PLOW	New	DOUGLAS DYNAMICS INC COM	$362,000	–	27,900	+100.0%	0.00%	–
SANW	New	S & W SEED COMPANY	$297,000	–	35,400	+100.0%	0.00%	–
KEGXQ	New	KEY ENERGY SVCS INC	$287,000	–	48,300	+100.0%	0.00%	–
CCXI	New	CHEMOCENTRYX INC COM	$307,000	–	21,700	+100.0%	0.00%	–
JBLU	New	JETBLUE AIRWAYS CORP	$293,000	–	46,600	+100.0%	0.00%	–
CVX	New	CHEVRON CORP NEW COM	$237,000	–	2,000	+100.0%	0.00%	–
DF	New	DEAN FOODS CO	$297,000	–	29,600	+100.0%	0.00%	–
MWA	New	MUELLER WTR PRODS INC COM SER	$211,000	–	30,600	+100.0%	0.00%	–
ARRY	New	ARRAY BIOPHARMA INC	$195,000	–	43,000	+100.0%	0.00%	–
UNH	New	UNITEDHEALTH GROUP INC COM	$210,000	–	3,200	+100.0%	0.00%	–
T	New	AT&T INC COM	$200,000	–	5,640	+100.0%	0.00%	–
TNH	New	TERRA NITROGEN CO L P COM UNIT	$214,000	–	1,000	+100.0%	0.00%	–
EMR	New	EMERSON ELEC CO COM	$218,000	–	4,000	+100.0%	0.00%	–
QLTI	New	QLT INC COM	$116,000	–	26,500	+100.0%	0.00%	–
ADNC	New	AUDIENCE INC COM	$198,000	–	15,000	+100.0%	0.00%	–
KERX	New	KERYX BIOPHARMACEUTCLS	$207,000	–	27,700	+100.0%	0.00%	–
MMM	New	3M CO COM	$207,000	–	1,894	+100.0%	0.00%	–
IPAR	New	INTER PARFUMS INC COM	$202,000	–	7,100	+100.0%	0.00%	–
NVAX	New	NOVAVAX INC COM	$176,000	–	85,900	+100.0%	0.00%	–
WWAVB	New	WHITEWAVE FOODS CO-B	$164,000	–	10,768	+100.0%	0.00%	–
SGMO	New	SANGAMO BIOSCIENCES	$169,000	–	21,600	+100.0%	0.00%	–
MSTX	New	MAST THERAPEUTICS INC COM	$145,000	–	337,600	+100.0%	0.00%	–

Original filings

The following EDGAR filing(s) were analyzed to create this report:

View 13F-HR filed 2013-08-09

Signatures

The EDGAR filing(s) were signed by:

Brandi McMahon — Compliance Manager

Top long-term holdings

Name	Quarters owned	Latest quarter owned	Max weighting
APPLE INC COM	42	Q3 2023	4.4%
MICROSOFT CORP COM	42	Q3 2023	3.2%
VISA INC COM CL A	42	Q3 2023	1.9%
SALESFORCE INC	42	Q3 2023	1.7%
ICON PLC	42	Q3 2023	2.3%
TRANSDIGM GROUP INC COM	42	Q3 2023	2.1%
COOPER COS INC COM NEW	42	Q3 2023	1.5%
THERMO FISHER SCIENTIFIC INC C	42	Q3 2023	1.4%
FORTINET INC COM	42	Q3 2023	1.5%
UNION PACIFIC CORP	42	Q3 2023	1.3%

View WESTFIELD CAPITAL MANAGEMENT CO LP's complete holdings history.

Latest significant ownerships (13-D/G)

WESTFIELD CAPITAL MANAGEMENT CO LP Q2 2013 significant holdings filed using form 13D/G when ownership exceeds 5% of a company's total stock issue.
	Filed	Shares	Percentage
IRONWOOD PHARMACEUTICALS INC^{Sold out}	July 05, 2023	0	0.0%
Innoviva, Inc.	February 02, 2023	4,106,136	5.9%
RUSH ENTERPRISES INC \TX\^{Sold out}	July 02, 2021	0	0.0%
SITIME Corp^{Sold out}	February 01, 2021	0	0.0%
Correvio Pharma Corp.^{Sold out}	January 07, 2020	0	0.0%
MEDICINES CO /DE	January 07, 2020	1,368,720	1.7%
Cardiome Pharma Corp	May 02, 2018	4,149,244	11.9%
HEXCEL CORP /DE/^{Sold out}	August 03, 2017	0	0.0%
Huron Consulting Group Inc.^{Sold out}	April 10, 2017	0	0.0%
ARIAD PHARMACEUTICALS INC^{Sold out}	April 07, 2017	0	0.0%

View WESTFIELD CAPITAL MANAGEMENT CO LP's complete significant-ownership history.

Latest filings

Type	Filed
SC 13G/A	2024-04-04
13F-HR	2024-02-09
SC 13G/A	2024-02-02
SC 13G	2024-01-10
13F-HR	2023-11-13
13F-HR	2023-08-11
SC 13G/A	2023-07-05
13F-HR	2023-05-12
13F-HR	2023-02-13
SC 13G/A	2023-02-02

View WESTFIELD CAPITAL MANAGEMENT CO LP's complete filings history.

All filings

View complete filings history.

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