WESTFIELD CAPITAL MANAGEMENT CO LP

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$14 Billion is the total value of WESTFIELD CAPITAL MANAGEMENT CO LP's 231 reported holdings in Q4 2019. The portfolio turnover from Q3 2019 to Q4 2019 was 28.0% .

All

			Value		Shares		↓ Weighting
AMZN	Sell	AMAZON COM INC	$317,823,000	+4.3%	171,997	-2.0%	2.26%	-7.3%
MSFT	Sell	MICROSOFT CORP	$309,752,000	-1.5%	1,964,186	-13.2%	2.21%	-12.4%
FB	Sell	FACEBOOK INCcl a	$265,293,000	+14.1%	1,292,534	-1.0%	1.89%	+1.5%
V	Sell	VISA INC	$249,874,000	+6.4%	1,329,824	-2.6%	1.78%	-5.4%
TDY	Sell	TELEDYNE TECHNOLOGIES INC	$219,439,000	+4.2%	633,228	-3.2%	1.56%	-7.3%
CRM	Sell	SALESFORCE COM INC	$183,035,000	+9.0%	1,125,401	-0.5%	1.30%	-3.1%
IR	Sell	INGERSOLL-RAND PLC	$180,779,000	+4.8%	1,360,059	-2.9%	1.29%	-6.8%
MTD	Sell	METTLER TOLEDO INTERNATIONAL	$175,488,000	+10.4%	221,218	-2.0%	1.25%	-1.8%
HD	Sell	HOME DEPOT INC	$168,044,000	-9.3%	769,504	-3.6%	1.20%	-19.3%
AME	Sell	AMETEK INC NEW	$162,234,000	-1.7%	1,626,569	-9.5%	1.16%	-12.6%
MPC	Sell	MARATHON PETE CORP	$160,854,000	-3.4%	2,669,780	-2.6%	1.14%	-14.1%
GPN	Sell	GLOBAL PMTS INC	$160,058,000	+12.0%	876,744	-2.4%	1.14%	-0.3%
VRTX	Sell	VERTEX PHARMACEUTICALS INC	$157,133,000	-0.6%	717,668	-23.1%	1.12%	-11.5%
LHX	Sell	L3HARRIS TECHNOLOGIES INC	$149,292,000	-7.4%	754,494	-2.3%	1.06%	-17.6%
TMO	Sell	THERMO FISHER SCIENTIFIC INC	$148,563,000	+9.1%	457,299	-2.2%	1.06%	-2.9%
CHTR	Sell	CHARTER COMMUNICATIONS INC Ncl a	$128,963,000	-12.7%	265,860	-25.9%	0.92%	-22.4%
ITW	Sell	ILLINOIS TOOL WKS INC	$117,470,000	-4.6%	653,954	-16.9%	0.84%	-15.1%
MDCO	Sell	MEDICINES CO	$116,259,000	-64.1%	1,368,720	-78.8%	0.83%	-68.0%
BAM	Sell	BROOKFIELD ASSET MGMT INCcl a ltd vt sh	$108,197,000	+0.7%	1,871,919	-7.5%	0.77%	-10.5%
ARE	Sell	ALEXANDRIA REAL ESTATE EQ IN	$102,093,000	+4.4%	631,843	-0.4%	0.73%	-7.2%
BMY	Sell	BRISTOL MYERS SQUIBB CO	$97,417,000	+14.7%	1,517,630	-9.4%	0.69%	+2.1%
STZ	Sell	CONSTELLATION BRANDS INCcl a	$90,093,000	-13.4%	474,801	-5.4%	0.64%	-22.9%
TMUS	Sell	T MOBILE US INC	$88,665,000	-7.7%	1,130,641	-7.3%	0.63%	-17.9%
BLD	Sell	TOPBUILD CORP	$86,383,000	-3.0%	838,020	-9.2%	0.62%	-13.7%
WMT	Sell	WALMART INC	$70,178,000	-6.1%	590,522	-6.2%	0.50%	-16.4%
COO	Sell	COOPER COS INC	$64,045,000	-43.5%	199,337	-47.7%	0.46%	-49.7%
BPMC	Sell	BLUEPRINT MEDICINES CORP	$61,736,000	-0.8%	770,636	-9.0%	0.44%	-11.6%
XLRN	Sell	ACCELERON PHARMA INC	$61,016,000	+24.8%	1,150,819	-7.0%	0.44%	+11.3%
WWD	Sell	WOODWARD INC	$59,680,000	-5.1%	503,887	-13.6%	0.42%	-15.7%
DIS	Sell	DISNEY WALT CO	$59,160,000	-27.0%	409,045	-34.2%	0.42%	-35.1%
ESNT	Sell	ESSENT GROUP LTD	$54,651,000	-20.0%	1,051,190	-26.6%	0.39%	-28.9%
INFO	Sell	IHS MARKIT LTD	$54,043,000	-7.1%	717,231	-17.6%	0.38%	-17.4%
EOG	Sell	EOG RES INC	$52,822,000	+1.1%	630,630	-10.4%	0.38%	-10.0%
FLT	Sell	FLEETCOR TECHNOLOGIES INC	$49,103,000	-19.4%	170,664	-19.6%	0.35%	-28.3%
BKI	Sell	BLACK KNIGHT INC	$44,949,000	-31.7%	697,104	-35.4%	0.32%	-39.3%
ON	Sell	ON SEMICONDUCTOR CORP	$43,755,000	-39.5%	1,794,694	-52.4%	0.31%	-46.2%
RUSHA	Sell	RUSH ENTERPRISES INCcl a	$43,681,000	+18.1%	939,378	-2.0%	0.31%	+5.1%
PFPT	Sell	PROOFPOINT INC	$39,852,000	-25.6%	347,202	-16.3%	0.28%	-33.8%
GWRE	Sell	GUIDEWIRE SOFTWARE INC	$35,289,000	-17.7%	321,479	-21.0%	0.25%	-26.8%
IRWD	Sell	IRONWOOD PHARMACEUTICALS INC	$32,438,000	+49.8%	2,437,096	-3.4%	0.23%	+33.5%
DHI	Sell	D R HORTON INC	$30,302,000	-22.3%	574,452	-22.4%	0.22%	-30.8%
CSGP	Sell	COSTAR GROUP INC	$29,972,000	-12.5%	50,096	-13.3%	0.21%	-22.3%
ALNY	Sell	ALNYLAM PHARMACEUTICALS INC	$28,678,000	+27.2%	249,009	-11.2%	0.20%	+13.3%
XENT	Sell	INTERSECT ENT INC	$28,079,000	+37.9%	1,127,665	-5.8%	0.20%	+22.7%
NUAN	Sell	NUANCE COMMUNICATIONS INC	$25,665,000	+8.3%	1,439,418	-1.0%	0.18%	-3.7%
MSA	Sell	MSA SAFETY INC	$24,690,000	+14.6%	195,392	-1.1%	0.18%	+1.7%
KN	Sell	KNOWLES CORP	$24,343,000	-28.5%	1,150,977	-31.2%	0.17%	-36.4%
FMC	Sell	F M C CORP	$24,067,000	-5.2%	241,106	-16.7%	0.17%	-15.8%
LULU	Sell	LULULEMON ATHLETICA INC	$23,234,000	-61.6%	100,290	-68.1%	0.16%	-65.9%
IART	Sell	INTEGRA LIFESCIENCES HLDGS C	$22,840,000	-3.8%	391,899	-0.9%	0.16%	-14.2%
VIAV	Sell	VIAVI SOLUTIONS INC	$22,633,000	+4.5%	1,508,871	-2.4%	0.16%	-6.9%
CCMP	Sell	CABOT MICROELECTRONICS CORP	$22,513,000	-19.5%	155,997	-21.3%	0.16%	-28.6%
BFAM	Sell	BRIGHT HORIZONS FAM SOL IN D	$22,493,000	-2.5%	149,664	-1.0%	0.16%	-13.5%
ODFL	Sell	OLD DOMINION FREIGHT LINE IN	$21,832,000	-4.6%	115,040	-14.5%	0.16%	-15.3%
R	Sell	RYDER SYS INC	$19,891,000	+3.2%	366,257	-1.6%	0.14%	-7.8%
PLMR	Sell	PALOMAR HLDGS INC	$18,549,000	+21.4%	367,373	-5.2%	0.13%	+8.2%
PCTY	Sell	PAYLOCITY HLDG CORP	$18,012,000	+23.4%	149,081	-0.4%	0.13%	+9.4%
SRC	Sell	SPIRIT RLTY CAP INC NEW	$17,687,000	-72.3%	359,638	-73.1%	0.13%	-75.4%
FCFS	Sell	FIRSTCASH INC	$14,452,000	-44.9%	179,236	-37.3%	0.10%	-51.0%
MNTA	Sell	MOMENTA PHARMACEUTICALS INC	$13,883,000	+9.0%	703,653	-28.4%	0.10%	-2.9%
FATE	Sell	FATE THERAPEUTICS INC	$13,794,000	-1.9%	704,843	-22.2%	0.10%	-13.3%
AVY	Sell	AVERY DENNISON CORP	$12,677,000	+14.8%	96,905	-0.3%	0.09%	+2.3%
ABT	Sell	ABBOTT LABS	$11,291,000	+3.4%	129,988	-0.4%	0.08%	-8.0%
ORTX	Sell	ORCHARD THERAPEUTICS PLCads	$10,477,000	-18.1%	761,947	-29.3%	0.08%	-26.5%
MATX	Sell	MATSON INC	$10,025,000	-22.5%	245,717	-28.8%	0.07%	-31.7%
TXN	Sell	TEXAS INSTRS INC	$9,180,000	-0.9%	71,555	-0.2%	0.06%	-12.2%
MRK	Sell	MERCK & CO INC	$8,818,000	+7.7%	96,954	-0.3%	0.06%	-4.5%
TGT	Sell	TARGET CORP	$8,583,000	+19.5%	66,945	-0.4%	0.06%	+5.2%
KO	Sell	COCA COLA CO	$8,246,000	+1.4%	148,980	-0.3%	0.06%	-9.2%
VZ	Sell	VERIZON COMMUNICATIONS INC	$8,151,000	+1.3%	132,755	-0.4%	0.06%	-9.4%
CVS	Sell	CVS HEALTH CORP	$7,990,000	+17.4%	107,550	-0.3%	0.06%	+5.6%
MTN	Sell	VAIL RESORTS INC	$8,053,000	+5.2%	33,580	-0.2%	0.06%	-6.6%
NEE	Sell	NEXTERA ENERGY INC	$7,290,000	+3.6%	30,105	-0.3%	0.05%	-7.1%
ADM	Sell	ARCHER DANIELS MIDLAND CO	$6,986,000	+12.5%	150,730	-0.3%	0.05%	0.0%
JKHY	Sell	HENRY JACK & ASSOC INC	$6,845,000	-0.7%	46,989	-0.5%	0.05%	-10.9%
FITB	Sell	FIFTH THIRD BANCORP	$6,489,000	+11.9%	211,095	-0.4%	0.05%	0.0%
PGR	Sell	PROGRESSIVE CORP OHIO	$6,204,000	-91.6%	85,706	-91.0%	0.04%	-92.6%
PFE	Sell	PFIZER INC	$5,481,000	+8.7%	139,890	-0.3%	0.04%	-2.5%
GOOG	Sell	ALPHABET INCcap stk cl c	$5,537,000	-69.7%	4,141	-72.3%	0.04%	-73.3%
QCOM	Sell	QUALCOMM INC	$5,448,000	+15.3%	61,750	-0.3%	0.04%	+2.6%
SBUX	Sell	STARBUCKS CORP	$5,298,000	-0.9%	60,265	-0.4%	0.04%	-11.6%
DHR	Sell	DANAHER CORPORATION	$5,024,000	-2.1%	32,737	-7.8%	0.04%	-12.2%
FAF	Sell	FIRST AMERN FINL CORP	$4,615,000	-1.5%	79,140	-0.3%	0.03%	-13.2%
CME	Sell	CME GROUP INC	$4,536,000	-16.9%	22,599	-12.5%	0.03%	-27.3%
RJF	Sell	RAYMOND JAMES FINANCIAL INC	$4,488,000	+6.5%	50,166	-1.9%	0.03%	-5.9%
INXN	Sell	INTERXION HOLDING N.V	$3,001,000	-92.1%	35,812	-92.3%	0.02%	-93.1%
IT	Sell	GARTNER INC	$2,214,000	-41.5%	14,370	-45.7%	0.02%	-46.7%
STRA	Sell	STRATEGIC ED INC	$1,948,000	-92.4%	12,260	-93.5%	0.01%	-93.1%
HEIA	Sell	HEICO CORP NEWcl a	$1,823,000	-96.0%	20,362	-95.6%	0.01%	-96.4%
NGVT	Sell	INGEVITY CORP	$384,000	-98.4%	4,400	-98.5%	0.00%	-98.5%
QTNT	Exit	QUOTIENT LTD	$0	–	-24,100	-100.0%	-0.00%	–
AXNX	Exit	AXONICS MODULATION TECH INC	$0	–	-10,900	-100.0%	-0.00%	–
CBOE	Exit	CBOE GLOBAL MARKETS INC	$0	–	-3,400	-100.0%	-0.00%	–
DNKN	Exit	DUNKIN BRANDS GROUP INC	$0	–	-4,500	-100.0%	-0.00%	–
NDAQ	Exit	NASDAQ INC	$0	–	-3,850	-100.0%	-0.00%	–
BYD	Exit	BOYD GAMING CORP	$0	–	-18,820	-100.0%	-0.00%	–
BIIB	Exit	BIOGEN INC	$0	–	-2,414	-100.0%	-0.01%	–
UNH	Exit	UNITEDHEALTH GROUP INC	$0	–	-2,845	-100.0%	-0.01%	–
UNVR	Exit	UNIVAR SOLUTIONS INC	$0	–	-27,650	-100.0%	-0.01%	–
AVT	Exit	AVNET INC	$0	–	-36,930	-100.0%	-0.01%	–
DRI	Exit	DARDEN RESTAURANTS INC	$0	–	-42,862	-100.0%	-0.04%	–
CVET	Exit	COVETRUS INC	$0	–	-730,716	-100.0%	-0.07%	–
CORV	Exit	CORREVIO PHARMA CORP	$0	–	-4,876,455	-100.0%	-0.08%	–
FGEN	Exit	FIBROGEN INC	$0	–	-316,045	-100.0%	-0.09%	–
ENV	Exit	ENVESTNET INC	$0	–	-234,554	-100.0%	-0.11%	–
AEO	Exit	AMERICAN EAGLE OUTFITTERS IN	$0	–	-870,133	-100.0%	-0.11%	–
SMAR	Exit	SMARTSHEET INC	$0	–	-399,155	-100.0%	-0.12%	–
RMR	Exit	RMR GROUP INCcl a	$0	–	-383,509	-100.0%	-0.14%	–
LOPE	Exit	GRAND CANYON ED INC	$0	–	-200,490	-100.0%	-0.16%	–
WDC	Exit	WESTERN DIGITAL CORP	$0	–	-340,545	-100.0%	-0.16%	–
COUP	Exit	COUPA SOFTWARE INC	$0	–	-162,244	-100.0%	-0.17%	–
KMPR	Exit	KEMPER CORP DEL	$0	–	-323,931	-100.0%	-0.20%	–
ANET	Exit	ARISTA NETWORKS INC	$0	–	-106,420	-100.0%	-0.20%	–
FNF	Exit	FIDELITY NATIONAL FINANCIAL	$0	–	-604,673	-100.0%	-0.22%	–
ENTG	Exit	ENTEGRIS INC	$0	–	-575,740	-100.0%	-0.22%	–
LRCX	Exit	LAM RESEARCH CORP	$0	–	-123,034	-100.0%	-0.23%	–
COHR	Exit	COHERENT INC	$0	–	-233,040	-100.0%	-0.29%	–
SUI	Exit	SUN CMNTYS INC	$0	–	-246,662	-100.0%	-0.29%	–
SUM	Exit	SUMMIT MATLS INCcl a	$0	–	-1,848,819	-100.0%	-0.33%	–
QTS	Exit	QTS RLTY TR INC	$0	–	-836,581	-100.0%	-0.34%	–
ADSK	Exit	AUTODESK INC	$0	–	-352,437	-100.0%	-0.42%	–
PSTG	Exit	PURE STORAGE INCcl a	$0	–	-3,343,154	-100.0%	-0.45%	–
CSCO	Exit	CISCO SYS INC	$0	–	-1,645,021	-100.0%	-0.65%	–
MAR	Exit	MARRIOTT INTL INC NEWcl a	$0	–	-802,404	-100.0%	-0.80%	–
ADBE	Exit	ADOBE INC	$0	–	-385,086	-100.0%	-0.85%	–

Original filings

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

View 13F-HR filed 2020-02-13

Signatures

The EDGAR filing(s) were signed by:

Brandi McMahon — Compliance Officer

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 Q4 2019 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
13F-HR	2024-05-10
SC 13G/A	2024-05-08
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

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

All filings

View complete filings history.

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