Westfield Capital Management Co Lp Top Holdings and 13F Report (2024)

About Westfield Capital Management Co Lp

Investment Activity

Westfield Capital Management Co Lp has $22.13 billion in total holdings as of September 30, 2024.
Westfield Capital Management Co Lp owns shares of 247 different stocks, but just 97 companies or ETFs make up 80% of its holdings.
Approximately 17.04% of the portfolio was purchased this quarter.
About 14.15% of the portfolio was sold this quarter.
This quarter, Westfield Capital Management Co Lp has purchased 248 new stocks and bought additional shares in 122 stocks.
Westfield Capital Management Co Lp sold shares of 68 stocks and completely divested from 43 stocks this quarter.

Largest Holdings

NVIDIA: $920,244,169
Apple: $870,792,185
Microsoft: $823,762,604
Ascendis Pharma A/S: $766,522,642
Amazon.com: $644,689,804

Largest New Holdings this Quarter

Netflix: $222,870,918 Holding
SharkNinja: $114,877,969 Holding
Toll Brothers: $111,561,864 Holding
Target: $106,493,397 Holding
GE VERNOVA INC: $105,349,825 Holding

Largest Purchases this Quarter

Netflix: 314,226 shares (about $222.87M)
Broadcom: 1,140,633 shares (about $196.76M)
SharkNinja: 1,056,738 shares (about $114.88M)
Toll Brothers: 722,130 shares (about $111.56M)
Target: 683,263 shares (about $106.49M)

Largest Sales this Quarter

Home Depot: 303,020 shares (about $122.78M)
AbbVie: 371,308 shares (about $73.33M)
Wingstop: 160,754 shares (about $66.89M)
Advanced Micro Devices: 401,021 shares (about $65.80M)
CDW: 279,474 shares (about $63.25M)

Sector Allocation Over Time

Selling

Neutral

Buying

Latest 13F Holdings and Changes Since Previous Quarterly Filing

Issuer Name	Holdings Value	Approximate Purchase/Sale	Change in Shares	Shares Held	% of Portfolio	Sector
NVDA NVIDIA	$920,244,169	$58,390,297 ▲	6.8%	7,577,768	4.2%	Computer and Technology
AAPL Apple	$870,792,185	$17,457,523 ▼	-2.0%	3,737,306	3.9%	Computer and Technology
MSFT Microsoft	$823,762,604	$29,154,552 ▲	3.7%	1,914,391	3.7%	Computer and Technology
ASND Ascendis Pharma A/S	$766,522,642	$25,523,351 ▲	3.4%	5,133,766	3.5%	Medical
AMZN Amazon.com	$644,689,804	$33,563,619 ▲	5.5%	3,459,936	2.9%	Retail/Wholesale
TDG TransDigm Group	$530,980,007	$12,351,824 ▲	2.4%	372,061	2.4%	Aerospace
META Meta Platforms	$521,906,773	$28,708,442 ▲	5.8%	911,723	2.4%	Computer and Technology
GOOGL Alphabet	$520,489,381	$6,211,580 ▲	1.2%	3,138,314	2.4%	Computer and Technology
AXON Axon Enterprise	$469,661,170	$51,056,503 ▲	12.2%	1,175,328	2.1%	Industrial Products
VRT Vertiv	$359,314,736	$4,048,845 ▲	1.1%	3,611,566	1.6%	Computer and Technology
NOW ServiceNow	$305,771,962	$14,600,008 ▼	-4.6%	341,878	1.4%	Computer and Technology
FIX Comfort Systems USA	$276,438,063	$61,163,551 ▼	-18.1%	708,180	1.2%	Construction
V Visa	$246,552,049	$3,922,986 ▲	1.6%	896,716	1.1%	Business Services
LEGN Legend Biotech	$245,526,364	$12,976,605 ▲	5.6%	5,038,505	1.1%	Medical
NFLX Netflix	$222,870,918	$222,870,918 ▲	New Holding	314,226	1.0%	Consumer Discretionary
FTAI FTAI Aviation	$220,618,120	$102,733,959 ▲	87.1%	1,660,031	1.0%	Aerospace
PGR Progressive	$210,223,952	$21,833,260 ▼	-9.4%	828,436	0.9%	Finance
OPCH Option Care Health	$203,204,358	$18,767,136 ▲	10.2%	6,492,152	0.9%	Medical
AVGO Broadcom	$203,023,767	$196,759,255 ▲	3,140.9%	1,176,949	0.9%	Computer and Technology
PCVX Vaxcyte	$198,815,402	$21,651,194 ▼	-9.8%	1,739,874	0.9%	Medical
DXCM DexCom	$190,531,502	$58,776,583 ▲	44.6%	2,842,057	0.9%	Medical
MHO M/I Homes	$189,699,633	$6,767,349 ▲	3.7%	1,107,024	0.9%	Construction
MASI Masimo	$185,869,479	$34,981,791 ▲	23.2%	1,394,056	0.8%	Medical
PODD Insulet	$175,696,558	$38,028,579 ▲	27.6%	754,872	0.8%	Medical
ICLR ICON Public	$170,015,561	$18,387,538 ▲	12.1%	591,750	0.8%	Medical
IOT Samsara	$168,741,490	$6,674,340 ▲	4.1%	3,506,681	0.8%	Computer and Technology
MNDY monday.com	$166,767,370	$3,973,224 ▲	2.4%	600,379	0.8%	Computer and Technology
LNTH Lantheus	$166,651,534	$13,465,557 ▼	-7.5%	1,518,465	0.8%	Medical
LPLA LPL Financial	$165,369,082	$29,373,276 ▲	21.6%	710,867	0.7%	Finance
RRX Regal Rexnord	$162,482,888	$66,293,753 ▲	68.9%	979,521	0.7%	Industrial Products
TSM Taiwan Semiconductor Manufacturing	$162,252,319	$21,842,834 ▼	-11.9%	934,256	0.7%	Computer and Technology
CMG Chipotle Mexican Grill	$155,801,653	$8,392,871 ▲	5.7%	2,703,951	0.7%	Retail/Wholesale
ARES Ares Management	$154,667,133	$9,039 ▲	0.0%	992,474	0.7%	Finance
SAP SAP	$149,814,863	$3,941,435 ▼	-2.6%	653,928	0.7%	Computer and Technology
DKNG DraftKings	$144,962,628	$9,267,939 ▲	6.8%	3,698,026	0.7%	Consumer Discretionary
CDNS Cadence Design Systems	$144,580,554	$4,592,599 ▼	-3.1%	533,449	0.7%	Computer and Technology
DT Dynatrace	$144,570,689	$34,691,764 ▲	31.6%	2,703,772	0.7%	Computer and Technology
UNP Union Pacific	$140,459,706	$35,145,613 ▲	33.4%	569,862	0.6%	Transportation
TSLA Tesla	$136,446,419	$21,853,184 ▲	19.1%	521,524	0.6%	Auto/Tires/Trucks
MTSI MACOM Technology Solutions	$134,685,504	$23,381,408 ▲	21.0%	1,210,547	0.6%	Computer and Technology
MDB MongoDB	$134,160,532	$2,034,652 ▲	1.5%	496,248	0.6%	Computer and Technology
SAIA Saia	$132,744,265	$13,988,385 ▲	11.8%	303,582	0.6%	Transportation
COST Costco Wholesale	$131,042,045	$2,148,928 ▲	1.7%	147,816	0.6%	Retail/Wholesale
OWL Blue Owl Capital	$130,414,516	$5,676,759 ▲	4.6%	6,736,287	0.6%	Finance
SUI Sun Communities	$129,727,695	$48,035,977 ▲	58.8%	959,879	0.6%	Finance
FOUR Shift4 Payments	$128,920,531	$1,134,434 ▲	0.9%	1,455,085	0.6%	Business Services
AIG American International Group	$127,713,048	$6,147,439 ▼	-4.6%	1,743,999	0.6%	Finance
CRM Salesforce	$127,174,974	$40,812,078 ▼	-24.3%	464,634	0.6%	Computer and Technology
ABBV AbbVie	$125,152,936	$73,325,896 ▼	-36.9%	633,750	0.6%	Medical
ASML ASML	$123,634,804	$69,022,912 ▲	126.4%	148,377	0.6%	Computer and Technology
ROST Ross Stores	$118,466,418	$54,334 ▲	0.0%	787,100	0.5%	Retail/Wholesale
PTC PTC	$117,456,221	$2,154,008 ▲	1.9%	650,151	0.5%	Computer and Technology
FICO Fair Isaac	$116,782,144	$45,410,311 ▼	-28.0%	60,088	0.5%	Computer and Technology
SN SharkNinja	$114,877,969	$114,877,969 ▲	New Holding	1,056,738	0.5%	Consumer Discretionary
WING Wingstop	$114,723,658	$66,886,524 ▼	-36.8%	275,725	0.5%	Retail/Wholesale
ROKU Roku	$114,646,104	$63,938,899 ▲	126.1%	1,535,576	0.5%	Consumer Discretionary
TOL Toll Brothers	$111,561,864	$111,561,864 ▲	New Holding	722,130	0.5%	Construction
UNH UnitedHealth Group	$109,996,107	$9,544,339 ▼	-8.0%	188,130	0.5%	Medical
AVY Avery Dennison	$109,905,145	$2,098,324 ▲	1.9%	497,849	0.5%	Industrial Products
PLTR Palantir Technologies	$108,587,189	$48,402,081 ▼	-30.8%	2,919,010	0.5%	Business Services
TGT Target	$106,493,397	$106,493,397 ▲	New Holding	683,263	0.5%	Retail/Wholesale
GE VERNOVA INC	$105,349,825	$105,349,825 ▲	New Holding	413,169	0.5%	COM
GPN Global Payments	$103,709,249	$7,533,400 ▲	7.8%	1,012,588	0.5%	Business Services
CHDN Churchill Downs	$103,241,083	$51,616,958 ▲	100.0%	763,561	0.5%	Consumer Discretionary
CSGP CoStar Group	$103,013,920	$26,736,312 ▼	-20.6%	1,365,508	0.5%	Computer and Technology
MOG.A Moog	$102,427,978	$102,427,978 ▲	New Holding	507,019	0.5%	Aerospace
FLYW Flywire	$102,059,088	$16,496,797 ▲	19.3%	6,226,912	0.5%	Computer and Technology
ORCL Oracle	$100,338,651	$100,338,651 ▲	New Holding	588,842	0.5%	Computer and Technology
ITT ITT	$100,099,786	$4,169,086 ▲	4.3%	669,519	0.5%	Multi-Sector Conglomerates
FFIV F5	$99,447,385	$34,789,839 ▼	-25.9%	451,623	0.4%	Computer and Technology
BFAM Bright Horizons Family Solutions	$99,125,580	$3,073,752 ▲	3.2%	707,383	0.4%	Consumer Discretionary
MTH Meritage Homes	$99,081,416	$21,020,085 ▲	26.9%	483,159	0.4%	Construction
WSC WillScot Mobile Mini	$98,920,486	$20,061,066 ▼	-16.9%	2,630,864	0.4%	Finance
TXRH Texas Roadhouse	$98,448,672	$40,957,955 ▼	-29.4%	557,467	0.4%	Retail/Wholesale
FLEX Flex	$97,521,279	$500,982 ▼	-0.5%	2,917,179	0.4%	Computer and Technology
CWST Casella Waste Systems	$94,563,653	$3,946,370 ▲	4.4%	950,484	0.4%	Industrial Products
HUBS HubSpot	$93,434,129	$9,277,494 ▼	-9.0%	175,760	0.4%	Computer and Technology
TRU TransUnion	$92,660,861	$92,660,861 ▲	New Holding	885,013	0.4%	Business Services
APO Apollo Global Management	$92,449,984	$13,809,546 ▲	17.6%	740,133	0.4%	Finance
MSCI MSCI	$89,738,058	$15,068,168 ▲	20.2%	153,943	0.4%	Computer and Technology
ITCI Intra-Cellular Therapies	$84,830,079	$8,523,866 ▲	11.2%	1,159,356	0.4%	Medical
BIO Bio-Rad Laboratories	$84,571,452	$3,206,615 ▲	3.9%	252,769	0.4%	Medical
NXPI NXP Semiconductors	$83,490,833	$22,957,675 ▼	-21.6%	347,864	0.4%	Computer and Technology
RCKT Rocket Pharmaceuticals	$83,001,096	$3,064,376 ▲	3.8%	4,493,833	0.4%	Medical
STZ Constellation Brands	$82,574,133	$31,075,076 ▼	-27.3%	320,440	0.4%	Consumer Staples
JBHT J.B. Hunt Transport Services	$81,638,808	$2,914,447 ▲	3.7%	473,735	0.4%	Transportation
TTD Trade Desk	$80,756,825	$24,531,677 ▲	43.6%	736,496	0.4%	Computer and Technology
NU NU	$80,123,577	$23,347,343 ▲	41.1%	5,869,859	0.4%	Business Services
GLOB Globant	$80,018,158	$34,134,730 ▼	-29.9%	403,847	0.4%	Computer and Technology
TPR Tapestry	$79,822,168	$10,314,177 ▲	14.8%	1,699,067	0.4%	Retail/Wholesale
S SentinelOne	$79,182,352	$2,596,755 ▲	3.4%	3,310,299	0.4%	Computer and Technology
AVNT Avient	$76,620,050	$3,177,104 ▲	4.3%	1,522,656	0.3%	Basic Materials
IEX IDEX	$76,395,891	$7,503,639 ▼	-8.9%	356,158	0.3%	Industrial Products
AXTA Axalta Coating Systems	$75,882,830	$3,061,457 ▲	4.2%	2,096,790	0.3%	Basic Materials
KD Kyndryl	$74,893,704	$28,821,700 ▲	62.6%	3,259,082	0.3%	Business Services
AME AMETEK	$73,552,914	$2,514,009 ▼	-3.3%	428,355	0.3%	Computer and Technology
TW Tradeweb Markets	$73,505,243	$12,763,733 ▲	21.0%	594,366	0.3%	Finance
ANF Abercrombie & Fitch	$73,048,365	$73,048,365 ▲	New Holding	522,147	0.3%	Retail/Wholesale
NSIT Insight Enterprises	$72,871,822	$7,757,055 ▼	-9.6%	338,325	0.3%	Retail/Wholesale
HUBB Hubbell	$72,756,104	$31,644,785 ▼	-30.3%	169,852	0.3%	Industrial Products

Showing largest 100 holdings. View all holdings.

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Westfield Capital Management Co Lp Top Holdings and 13F Report (2024)

About Westfield Capital Management Co Lp

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

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Westfield Capital Management Co Lp Top Holdings and 13F Report (2024)

About Westfield Capital Management Co Lp

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Map of 500 Largest Holdings ofWestfield Capital Management Co Lp

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools