Fund Holdings — WESTFIELD CAPITAL MANAGEMENT CO LP

Total Portfolio Value:
$23.83B
Total Bought:
$4.15B
Total Sold:
$5.26B
Net Transaction:
-$1.12B
Notable People:
William Albert Muggia, Richard Dailyong Lee
Securities
▲▼
SharesValue
Q2 2025
▲▼
Q3 2025
▲▼
Change
▲▼
Q2 2025
▲▼
Q3 2025
▲▼
Weight (%)
▲▼
Change
▲▼
NVIDIA Corporation(NVDA)7,545,3456,507,165-1,038,180$1.19B$1.21B5.09%+$22.02M
Ascendis Pharma A/SADR(ASND)5,451,4015,259,909-191,492$940.91M$1.05B4.39%+$104.81M
Microsoft Corporation(MSFT)1,757,4241,705,236-52,188$874.16M$883.23M3.71%+$9.07M
Apple Inc.(AAPL)3,494,1843,334,545-159,639$716.90M$849.08M3.56%+$132.17M
Comfort Systems USA, Inc.(FIX)936,412833,195-103,217$502.11M$687.54M2.88%+$185.42M
Meta Platforms, Inc.CL A(META)858,402767,657-90,745$633.58M$563.75M2.37%-$69.83M
Amazon.com, Inc.(AMZN)3,100,4522,541,729-558,723$680.21M$558.09M2.34%-$122.12M
Alphabet Inc.CL A(GOOG)2,571,6372,244,650-326,987$453.20M$545.67M2.29%+$92.47M
Axon Enterprise, Inc.(AXON)790,079729,152-60,927$654.14M$523.27M2.20%-$130.87M
Howmet Aerospace Inc.(HWM)1,915,9552,007,453+91,498$356.62M$393.92M1.65%+$37.31M
Broadcom Inc.(AVGO)1,336,1421,166,362-169,780$368.31M$384.79M1.61%+$16.49M
FTAI Aviation Ltd.SHS(FTAI)1,915,4112,130,241+214,830$220.35M$355.45M1.49%+$135.10M
Vertiv Holdings CoCL A(VRT)2,637,4092,247,218-390,191$338.67M$339.02M1.42%+$345.6K
TransDigm Group Incorporated(TDG)290,013217,897-72,116$441.01M$287.19M1.21%-$153.81M
Tapestry, Inc.(TPR)3,419,2452,450,671-968,574$300.24M$277.46M1.16%-$22.78M
Netflix, Inc.(NFLX)251,923230,648-21,275$337.36M$276.53M1.16%-$60.83M
Semtech Corporation(SMTC)2,747,2603,380,373+633,113$124.01M$241.53M1.01%+$117.52M
Visa Inc.CL A(V)796,463705,767-90,696$282.78M$240.93M1.01%-$41.85M
ServiceNow, Inc.(NOW)298,276260,002-38,274$306.65M$239.27M1.00%-$67.38M
Marvell Technology, Inc.(MRVL)02,611,958+2,611,958$0$219.59M0.92%+$219.59M
Eli Lilly and Company(LLY)307,493277,005-30,488$239.70M$211.35M0.89%-$28.35M
Masimo Corp1,181,2031,419,250+238,047$198.70M$209.41M0.88%+$10.71M
Merus N V2,042,3882,132,489+90,101$107.43M$200.77M0.84%+$93.34M
Bank America Corp4,217,7603,861,103-356,657$199.58M$199.19M0.84%-$390.1K
Legend Biotech CorporationADS(LEGN)6,472,5476,094,486-378,061$229.71M$198.74M0.83%-$30.97M
AutoZone, Inc.(AZO)38,18245,770+7,588$141.74M$196.36M0.82%+$54.62M
LPL Financial Holdings Inc.(LPLA)782,232575,462-206,770$293.31M$191.45M0.80%-$101.86M
Tesla, Inc.(TSLA)438,413404,220-34,193$139.27M$179.76M0.75%+$40.50M
Regal Rexnord Corporation(RRX)870,1311,221,730+351,599$126.13M$175.24M0.74%+$49.11M
Oracle Corporation(ORCL)678,940600,197-78,743$148.44M$168.80M0.71%+$20.36M
Roblox CorporationCL A(RBLX)1,141,0731,189,575+48,502$120.04M$164.78M0.69%+$44.74M
Ares Management CorporationCL A(ARES)1,078,7691,027,589-51,180$186.84M$164.30M0.69%-$22.54M
GE Vernova Inc.(GEV)325,288265,736-59,552$172.13M$163.40M0.69%-$8.73M
HealthEquity, Inc.(HQY)1,265,2081,716,658+451,450$132.54M$162.69M0.68%+$30.14M
Dynatrace, Inc.(DT)2,951,7263,345,780+394,054$162.96M$162.10M0.68%-$861.8K
Coherent Corp.(COHR)774,2351,472,963+698,728$69.07M$158.67M0.67%+$89.60M
Casella Waste Systems, Inc.CL A(CWST)1,552,3071,647,907+95,600$179.11M$156.35M0.66%-$22.75M
DexCom, Inc.(DXCM)2,380,2382,312,210-68,028$207.77M$155.59M0.65%-$52.18M
Commvault Systems, Inc.(CVLT)333,753786,175+452,422$58.18M$148.41M0.62%+$90.23M
Everpure, Inc.CL A(P)1,033,7241,751,558+717,834$59.52M$146.80M0.62%+$87.28M
SharkNinja, Inc.(SN)1,404,7511,402,297-2,454$139.06M$144.65M0.61%+$5.59M
Bloom Energy CorpCL A01,675,282+1,675,282$0$141.68M0.59%+$141.68M
Samsara Inc.CL A(IOT)3,549,1063,801,787+252,681$141.18M$141.62M0.59%+$433.1K
Vaxcyte, Inc.(PCVX)3,068,8983,732,715+663,817$99.77M$134.45M0.56%+$34.68M
Monday Com LtdSHS
SHS
646,320693,319+46,999$203.25M$134.29M0.56%-$68.97M
Taiwan Semiconductor Manufacturing Company LimitedADS(TSM)580,313467,398-112,915$131.44M$130.54M0.55%-$895.4K
Primoris Services Corporation(PRIM)654,223947,308+293,085$50.99M$130.09M0.55%+$79.10M
Snowflake Inc.(SNOW)373,623574,955+201,332$83.61M$129.68M0.54%+$46.08M
Revolution Medicines, Inc.(RVMD)1,649,4042,513,967+864,563$60.68M$117.40M0.49%+$56.72M
Rocket Lab Corporation(RKLB)2,365,0482,437,820+72,772$84.60M$116.80M0.49%+$32.20M
Procore Technologies, Inc.(PCOR)1,504,7871,540,265+35,478$102.96M$112.32M0.47%+$9.36M
Palantir Technologies Inc.CL A(PLTR)7,026606,450+599,424$957.7K$110.63M0.46%+$109.67M
Roku, Inc.CL A(ROKU)1,097,7071,102,488+4,781$96.48M$110.39M0.46%+$13.91M
Royal Caribbean Group
COM
352,525336,512-16,013$110.39M$108.89M0.46%-$1.50M
International Paper Company(IP)2,323,6932,341,336+17,643$108.82M$108.64M0.46%-$180.6K
Rhythm Pharmaceuticals, Inc.(RYTM)1,629,4681,069,004-560,464$102.97M$107.96M0.45%+$4.99M
DoorDash, Inc.CL A(DASH)368,152393,628+25,476$90.75M$107.06M0.45%+$16.31M
Live Nation Entertainment, Inc.(LYV)677,730646,370-31,360$102.53M$105.62M0.44%+$3.09M
Heico Corp NewCL A361,062409,498+48,436$93.42M$104.05M0.44%+$10.62M
Nextracker IncCL A1,317,5641,398,057+80,493$71.64M$103.44M0.43%+$31.81M
Cloudflare, Inc.CL A(NET)448,696480,850+32,154$87.87M$103.19M0.43%+$15.32M
Karman Holdings Inc.(KRMN)01,425,576+1,425,576$0$102.93M0.43%+$102.93M
Birkenstock Holding plc(BIRK)1,676,9502,254,493+577,543$82.47M$102.02M0.43%+$19.54M
Cencora Inc268,752325,660+56,908$80.59M$101.78M0.43%+$21.19M
Quanta Svcs Inc170,057245,506+75,449$64.30M$101.74M0.43%+$37.45M
ITT Inc.(ITT)657,250568,027-89,223$103.08M$101.54M0.43%-$1.54M
Glaukos Corporation(GKOS)1,167,8531,231,641+63,788$120.63M$100.44M0.42%-$20.19M
MSCI Inc.(MSCI)144,360175,347+30,987$83.26M$99.49M0.42%+$16.24M
TransUnion(TRU)922,2861,180,154+257,868$81.16M$98.87M0.41%+$17.71M
Vistra Corp.(VST)519,286492,560-26,726$100.64M$96.50M0.40%-$4.14M
The Descartes Systems Group Inc.(DSGX)649,6311,001,331+351,700$66.03M$94.36M0.40%+$28.32M
Natera, Inc.(NTRA)669,889575,802-94,087$113.17M$92.69M0.39%-$20.48M
Kratos Defense & Security Solutions, Inc.(KTOS)01,005,816+1,005,816$0$91.90M0.39%+$91.90M
XPO, Inc.(XPO)375,621694,714+319,093$47.44M$89.81M0.38%+$42.37M
O'Reilly Automotive, Inc.(ORLY)612,389817,026+204,637$55.19M$88.08M0.37%+$32.89M
Topbuild Corp0225,029+225,029$0$87.95M0.37%+$87.95M
KKR & Co. Inc.(KKR)0672,895+672,895$0$87.44M0.37%+$87.44M
Palomar Holdings, Inc.(PLMR)407,936738,528+330,592$62.92M$86.22M0.36%+$23.30M
Costco Wholesale Corporation(COST)144,62692,163-52,463$143.17M$85.31M0.36%-$57.86M
KeyCorp(KEY)4,678,7884,480,214-198,574$81.50M$83.74M0.35%+$2.23M
Houlihan Lokey, Inc.CL A(HLI)345,524406,306+60,782$62.18M$83.42M0.35%+$21.25M
UnitedHealth Group Incorporated(UNH)230,033241,010+10,977$71.76M$83.22M0.35%+$11.46M
Arthur J. Gallagher & Co.(AJG)321,606267,709-53,897$102.95M$82.92M0.35%-$20.03M
DraftKings Inc.CL A(DKNG)2,643,3252,080,438-562,887$113.37M$77.81M0.33%-$35.56M
Alkami Technology, Inc.(ALKT)1,190,5843,095,058+1,904,474$35.88M$76.88M0.32%+$41.00M
Option Care Health, Inc.(OPCH)3,061,4742,757,858-303,616$99.44M$76.56M0.32%-$22.88M
Palo Alto Networks, Inc.(PANW)0370,359+370,359$0$75.41M0.32%+$75.41M
Adma Biologics Inc05,106,802+5,106,802$0$74.87M0.31%+$74.87M
Builders FirstSource, Inc.(BLDR)0616,032+616,032$0$74.69M0.31%+$74.69M
Wynn Resorts, Limited(WYNN)0573,694+573,694$0$73.59M0.31%+$73.59M
C.H. Robinson Worldwide, Inc.(CHRW)0550,825+550,825$0$72.93M0.31%+$72.93M
Vulcan Materials Company(VMC)248,683236,556-12,127$64.86M$72.77M0.31%+$7.91M
Genius Sports LimitedCL A
SHARES CL A
3,202,1355,850,083+2,647,948$33.30M$72.42M0.30%+$39.12M
Fifth Third Bancorp(FITB)1,279,9181,619,948+340,030$52.64M$72.17M0.30%+$19.53M
Ryan Specialty Holdings, Inc.CL A(RYAN)1,279,8151,278,134-1,681$87.01M$72.04M0.30%-$14.98M
Blue Owl Capital CorporationCL A(OBDC)5,152,4604,228,444-924,016$98.98M$71.59M0.30%-$27.39M
Rockwell Automation, Inc.(ROK)214,680204,335-10,345$71.31M$71.42M0.30%+$110.9K
Primerica, Inc.(PRI)250,151256,774+6,623$68.46M$71.28M0.30%+$2.82M
PROCEPT BioRobotics Corporation(PRCT)1,598,3491,970,147+371,798$92.06M$70.31M0.30%-$21.75M
Insmed Incorporated(INSM)1,339,288487,927-851,361$134.79M$70.27M0.29%-$64.52M
Page 1 of 3
WESTFIELD CAPITAL MANAGEMENT CO LP — 13F Holdings — Q3 2025 | TickerTrail