Fund Holdings — WESTFIELD CAPITAL MANAGEMENT CO LP

Total Portfolio Value
$23.83B
Total Bought
$4.15B
Total Sold
$5.26B
Net Transaction
-$1.12B
Filing Period:
Securities
▲▼
SharesValue ($K)
Q2 2025
▲▼
Q3 2025
▲▼
Change
▲▼
Q2 2025
▲▼
Q3 2025
▲▼
Weight (%)
▲▼
Change
▲▼
MARVELL TECHNOLOGY INC(MRVL)02,611,958+2,611,9580219,5870.92%+219,587
COMFORT SYS USA INC(FIX)936,412833,195-103,217502,113687,5362.88%+185,422
BLOOM ENERGY CORP01,675,282+1,675,2820141,6790.59%+141,679
FTAI AVIATION LTD(FTAI)1,915,4112,130,241+214,830220,349355,4521.49%+135,103
APPLE INC(AAPL)3,494,1843,334,545-159,639716,902849,0753.56%+132,174
SEMTECH CORP(SMTC)2,747,2603,380,373+633,113124,011241,5281.01%+117,516
PALANTIR TECHNOLOGIES INC(PLTR)7,026606,450+599,424958110,6290.46%+109,671
ASCENDIS PHARMA A/S(ASND)5,451,4015,259,909-191,492940,9121,045,7234.39%+104,811
KARMAN HLDGS INC(KRMN)01,425,576+1,425,5760102,9270.43%+102,927
MERUS N V2,042,3882,132,489+90,101107,430200,7740.84%+93,344
ALPHABET INC(GOOG)2,571,6372,244,650-326,987453,200545,6742.29%+92,475
KRATOS DEFENSE & SEC SOLUTIO(KTOS)01,005,816+1,005,816091,9010.39%+91,901
COMMVAULT SYS INC(CVLT)333,753786,175+452,42258,183148,4140.62%+90,231
COHERENT CORP(COHR)774,2351,472,963+698,72869,070158,6680.67%+89,598
TOPBUILD CORP0225,029+225,029087,9550.37%+87,955
KKR & CO INC(KKR)0672,895+672,895087,4430.37%+87,443
PURE STORAGE INC(P)1,033,7241,751,558+717,83459,522146,7980.62%+87,276
PRIMORIS SVCS CORP(PRIM)654,223947,308+293,08550,990130,0940.55%+79,104
PALO ALTO NETWORKS INC(PANW)0370,359+370,359075,4120.32%+75,412
ADMA BIOLOGICS INC05,106,802+5,106,802074,8660.31%+74,866
BUILDERS FIRSTSOURCE INC(BLDR)0616,032+616,032074,6940.31%+74,694
WYNN RESORTS LTD(WYNN)0573,694+573,694073,5880.31%+73,588
C H ROBINSON WORLDWIDE INC(CHRW)0550,825+550,825072,9290.31%+72,929
RH(RH)0332,901+332,901067,6320.28%+67,632
FIRSTCASH HOLDINGS INC(FCFS)0422,455+422,455066,9250.28%+66,925
GLOBE LIFE INC0430,642+430,642061,5690.26%+61,569
IDEXX LABS INC(IDXX)094,129+94,129060,1380.25%+60,138
JABIL INC(JBL)0266,147+266,147057,7990.24%+57,799
TTM TECHNOLOGIES INC(TTMI)0994,282+994,282057,2710.24%+57,271
REVOLUTION MEDICINES INC(RVMD)1,649,4042,513,967+864,56360,682117,4020.49%+56,721
AUTOZONE INC(AZO)38,18245,770+7,588141,740196,3640.82%+54,624
IMAX CORP01,622,625+1,622,625053,1410.22%+53,141
LATTICE SEMICONDUCTOR CORP(LSCC)0696,706+696,706051,0820.21%+51,082
STEPSTONE GROUP INC(STEP)0778,728+778,728050,8590.21%+50,859
REGAL REXNORD CORPORATION(RRX)870,1311,221,730+351,599126,134175,2450.74%+49,111
F N B CORP(FNB)02,985,673+2,985,673048,0990.20%+48,099
SNOWFLAKE INC(SNOW)373,623574,955+201,33283,606129,6810.54%+46,076
VITA COCO CO INC(COCO)01,062,761+1,062,761045,1350.19%+45,135
SILICON LABORATORIES INC(SLAB)0342,310+342,310044,8870.19%+44,887
ROBLOX CORP(RBLX)1,141,0731,189,575+48,502120,041164,7800.69%+44,739
XPO INC(XPO)375,621694,714+319,09347,43789,8060.38%+42,369
NIQ GLOBAL INTELLIGENCE PLC(NIQ)02,631,896+2,631,896041,3210.17%+41,321
ALKAMI TECHNOLOGY INC(ALKT)1,190,5843,095,058+1,904,47435,88476,8810.32%+40,997
TESLA INC(TSLA)438,413404,220-34,193139,266179,7650.75%+40,499
RADNET INC(RDNT)0525,820+525,820040,0730.17%+40,073
MKS INC.(MKSI)0323,364+323,364040,0230.17%+40,023
GENIUS SPORTS LIMITED
SHARES CL A
3,202,1355,850,083+2,647,94833,30272,4240.30%+39,122
ASTERA LABS INC(ALAB)0192,614+192,614037,7140.16%+37,714
QUANTA SVCS INC170,057245,506+75,44964,295101,7430.43%+37,447
FORMFACTOR INC(FORM)01,026,657+1,026,657037,3910.16%+37,391
HOWMET AEROSPACE INC(HWM)1,915,9552,007,453+91,498356,617393,9221.65%+37,306
VAXCYTE INC(PCVX)3,068,8983,732,715+663,81799,770134,4520.56%+34,683
OREILLY AUTOMOTIVE INC(ORLY)612,389817,026+204,63755,19588,0840.37%+32,889
ROCKET LAB CORP(RKLB)2,365,0482,437,820+72,77284,598116,7960.49%+32,198
NEXTRACKER INC1,317,5641,398,057+80,49371,636103,4420.43%+31,806
HEALTHEQUITY INC(HQY)1,265,2081,716,658+451,450132,543162,6880.68%+30,144
DESCARTES SYS GROUP INC(DSGX)649,6311,001,331+351,70066,03294,3550.40%+28,324
CALIX INC(CALX)291,149684,096+392,94715,48641,9830.18%+26,497
ONTO INNOVATION INC(ONTO)351,064474,530+123,46635,43361,3190.26%+25,886
PALOMAR HLDGS INC(PLMR)407,936738,528+330,59262,92486,2230.36%+23,299
NVIDIA CORPORATION(NVDA)7,545,3456,507,165-1,038,1801,192,0891,214,1075.09%+22,018
HOULIHAN LOKEY INC(HLI)345,524406,306+60,78262,17783,4230.35%+21,246
CENCORA INC268,752325,660+56,90880,585101,7790.43%+21,193
SAIA INC(SAIA)173,095227,908+54,81347,42668,2270.29%+20,800
NXP SEMICONDUCTORS N V
COM
089,996+89,996020,4950.09%+20,495
ORACLE CORP(ORCL)678,940600,197-78,743148,437168,7990.71%+20,363
CREDO TECHNOLOGY GROUP HOLDI
ORDINARY SHARES
528,378472,841-55,53748,92368,8500.29%+19,928
BIRKENSTOCK HOLDING PLC(BIRK)1,676,9502,254,493+577,54382,472102,0160.43%+19,543
FIFTH THIRD BANCORP(FITB)1,279,9181,619,948+340,03052,64372,1690.30%+19,526
ICON PLC(ICLR)345,828396,354+50,52650,30169,3620.29%+19,061
LINCOLN ELEC HLDGS INC(LECO)233,123282,963+49,84048,33166,7310.28%+18,400
TRANSUNION(TRU)922,2861,180,154+257,86881,16198,8730.41%+17,712
SUPER MICRO COMPUTER INC(SMCI)0359,439+359,439017,2310.07%+17,231
BRAZE INC(BRZE)1,600,3042,177,953+577,64944,96961,9410.26%+16,972
BROADCOM INC(AVGO)1,336,1421,166,362-169,780368,308384,7951.61%+16,487
DOORDASH INC(DASH)368,152393,628+25,47690,753107,0630.45%+16,310
MSCI INC(MSCI)144,360175,347+30,98783,25899,4930.42%+16,235
PATTERN GROUP INC(PTRN)01,135,879+1,135,879015,5620.07%+15,562
CLOUDFLARE INC(NET)448,696480,850+32,15487,868103,1860.43%+15,317
89BIO INC3,370,8173,291,369-79,44833,10148,3830.20%+15,282
EAST WEST BANCORP INC(EWBC)471,928589,535+117,60747,65562,7560.26%+15,101
ROKU INC(ROKU)1,097,7071,102,488+4,78196,477110,3920.46%+13,915
XENON PHARMACEUTICALS INC(XENE)1,152,6051,206,066+53,46136,07748,4240.20%+12,347
CLEAN HARBORS INC(CLH)192,259243,582+51,32344,44656,5650.24%+12,118
UNITEDHEALTH GROUP INC(UNH)230,033241,010+10,97771,76383,2210.35%+11,458
IRHYTHM TECHNOLOGIES INC(IRTC)290,570323,980+33,41044,73655,7210.23%+10,985
MASIMO CORP1,181,2031,419,250+238,047198,702209,4100.88%+10,708
HEICO CORP NEW361,062409,498+48,43693,425104,0490.44%+10,625
APPLIED INDL TECHNOLOGIES IN(AIT)220,640234,734+14,09451,28861,2770.26%+9,990
BIO RAD LABS INC139,505155,524+16,01933,66543,6070.18%+9,942
ATLASSIAN CORPORATION205,968322,438+116,47041,83051,4930.22%+9,663
PROCORE TECHNOLOGIES INC(PCOR)1,504,7871,540,265+35,478102,958112,3160.47%+9,359
MICROSOFT CORP(MSFT)1,757,4241,705,236-52,188874,160883,2273.71%+9,067
VULCAN MATLS CO(VMC)248,683236,556-12,12764,86272,7690.31%+7,908
TECHNIPFMC PLC(FTI)1,475,9411,480,110+4,16950,83158,3900.24%+7,559
SYNOPSYS INC(SNPS)108,571126,581+18,01055,66262,4540.26%+6,792
RIOT PLATFORMS INC(RIOT)1,730,2961,350,027-380,26919,55225,6910.11%+6,139
TRANE TECHNOLOGIES PLC(TT)1,35415,916+14,5625926,7160.03%+6,124
WINTRUST FINL CORP(WTFC)440,858456,964+16,10654,65860,5200.25%+5,863
WELLTOWER INC(WELL)032,189+32,18905,7340.02%+5,734
Page 1 of 3
WESTFIELD CAPITAL MANAGEMENT CO LP — 13F Holdings — Q3 2025 | TickerTrail