Fund HoldingsWESTFIELD CAPITAL MANAGEMENT CO LP

Total Portfolio Value
$15.74B
Total Bought
$3.38B
Total Sold
$2.25B
Net Transaction
+$1.13B
Filing Period:
Securities
SharesValue ($K)
Q1 2023
Q2 2023
Change
Q1 2023
Q2 2023
Weight (%)
Change
BUILDERS FIRSTSOURCE INC(BLDR)731,1581,642,986+911,82864,912223,4461.42%+158,534
MASIMO CORP(MASI)0953,799+953,7990156,9481.00%+156,948
META PLATFORMS INC(META)379,470724,503+345,03380,425207,9181.32%+127,493
AMAZON COM INC(AMZN)1,920,2472,418,239+497,992198,342315,2422.00%+116,899
HUBBELL INC(HUBB)0310,216+310,2160102,8550.65%+102,855
NVIDIA CORPORATION(NVDA)473,804533,850+60,046131,609225,8291.43%+94,221
TEXAS ROADHOUSE INC(TXRH)01,149,641+1,149,6410129,0820.82%+129,082
INSPIRE MED SYS INC(INSP)422,648563,667+141,01998,929182,9891.16%+84,060
ALPHABET INC(GOOG)3,159,9013,389,621+229,720327,777405,7382.58%+77,961
OPTION CARE HEALTH INC(OPCH)03,768,278+3,768,2780122,4310.78%+122,431
FAIR ISAAC CORP(FICO)85,892160,128+74,23660,355129,5770.82%+69,221
UBER TECHNOLOGIES INC(UBER)01,586,966+1,586,966068,5090.44%+68,509
MICROSOFT CORP(MSFT)1,397,2161,381,739-15,477402,817470,5372.99%+67,720
LEGEND BIOTECH CORP(LEGN)0972,054+972,054067,1010.43%+67,101
IMPINJ INC(PI)0729,889+729,889065,4350.42%+65,435
DYNATRACE INC(DT)01,698,742+1,698,742087,4340.56%+87,434
WALMART INC(WMT)0399,987+399,987062,8700.40%+62,870
ALIGN TECHNOLOGY INC0176,706+176,706062,4900.40%+62,490
FLYWIRE CORPORATION(FLYW)03,186,118+3,186,118098,8970.63%+98,897
PTC INC(PTC)0401,095+401,095057,0760.36%+57,076
TERADYNE INC(TER)0487,320+487,320054,2530.34%+54,253
LUMENTUM HLDGS INC(LITE)0945,342+945,342053,6290.34%+53,629
LILLY ELI & CO(LLY)387,564396,950+9,386133,097186,1621.18%+53,064
ICON PLC(ICLR)1,365,5721,377,475+11,903291,672344,6442.19%+52,972
ZSCALER INC(ZS)0355,503+355,503052,0100.33%+52,010
FLEETCOR TECHNOLOGIES INC0206,620+206,620051,8780.33%+51,878
TRANSDIGM GROUP INC(TDG)371,149363,795-7,354273,555325,2942.07%+51,739
HEXCEL CORP NEW(HXL)01,231,086+1,231,086093,5870.59%+93,587
BIO-TECHNE CORP(TECH)0607,141+607,141049,5610.31%+49,561
ARISTA NETWORKS INC0295,786+295,786047,9350.30%+47,935
BRIGHT HORIZONS FAM SOL IN D(BFAM)0548,660+548,660050,7240.32%+50,724
AXON ENTERPRISE INC(AXON)0244,843+244,843047,7740.30%+47,774
APPLE INC(AAPL)2,950,2472,746,033-204,214486,496532,6483.38%+46,152
AMERICAN INTL GROUP INC0860,251+860,251049,4990.31%+49,499
F5 INC(FFIV)430,884703,360+272,47662,775102,8730.65%+40,098
MERITAGE HOMES CORP(MTH)0278,113+278,113039,5670.25%+39,567
SAIA INC(SAIA)501,669506,741+5,072136,494173,5131.10%+37,019
PURE STORAGE INC(P)0928,601+928,601034,1910.22%+34,191
FORTINET INC(FTNT)2,748,7262,856,178+107,452182,680215,8981.37%+33,218
SMARTSHEET INC1,402,4132,595,732+1,193,31967,03599,3130.63%+32,277
ADVANCED MICRO DEVICES INC(AMD)0375,542+375,542042,7780.27%+42,778
SPLUNK INC712,163933,567+221,40468,28299,0420.63%+30,760
CONSTELLATION BRANDS INC(STZ)259,700361,802+102,10258,66489,0500.57%+30,387
SERVICENOW INC(NOW)317,289311,402-5,887147,451174,9991.11%+27,548
SENTINELONE INC(S)01,767,167+1,767,167026,6840.17%+26,684
CALIX INC(CALX)0531,402+531,402026,5220.17%+26,522
WATSCO INC(WSO)0199,023+199,023075,9210.48%+75,921
S&P GLOBAL INC(SPGI)0166,078+166,078066,5790.42%+66,579
VISA INC(V)1,040,9321,090,906+49,974234,689259,0681.65%+24,380
HUBSPOT INC(HUBS)339,816318,938-20,878145,696169,7041.08%+24,007
STAG INDL INC(STAG)0653,938+653,938023,4630.15%+23,463
AMERIPRISE FINL INC(AMP)0223,412+223,412074,2090.47%+74,209
NEW YORK CMNTY BANCORP INC02,021,885+2,021,885022,7260.14%+22,726
KULICKE & SOFFA INDS INC(KLIC)0368,191+368,191021,8890.14%+21,889
FABRINET(FN)0166,669+166,669021,6470.14%+21,647
LPL FINL HLDGS INC(LPLA)593,157650,449+57,292120,055141,4270.90%+21,372
TRANSUNION(TRU)0944,671+944,671073,9960.47%+73,996
MOONLAKE IMMUNOTHERAPEUTICS(MLTX)0410,119+410,119020,9160.13%+20,916
CASELLA WASTE SYS INC(CWST)0552,187+552,187049,9450.32%+49,945
CEREVEL THERAPEUTICS HLDNG I0575,534+575,534018,2960.12%+18,296
ROCKET PHARMACEUTICALS INC03,655,787+3,655,787072,6400.46%+72,640
LINCOLN ELEC HLDGS INC(LECO)558,140561,720+3,58094,381111,5740.71%+17,193
WILLSCOT MOBIL MINI HLDNG CO(WSC)2,402,4082,701,192+298,784112,625129,0900.82%+16,465
COSTAR GROUP INC(CSGP)881,777863,471-18,30660,71076,8490.49%+16,139
PPG INDS INC(PPG)0466,455+466,455069,1750.44%+69,175
CISCO SYS INC(CSCO)1,391,2231,678,528+287,30572,72686,8470.55%+14,121
AMETEK INC1,096,8441,071,812-25,032159,404173,5051.10%+14,101
BRP INC(DOO)895,691986,700+91,00970,04383,4750.53%+13,432
AVERY DENNISON CORP356,614445,179+88,56563,80976,4820.49%+12,673
FIRST CTZNS BANCSHARES INC N(FCNCA)032,264+32,264041,4090.26%+41,409
CADENCE DESIGN SYSTEM INC(CDNS)384,709392,128+7,41980,82491,9620.58%+11,138
RED ROCK RESORTS INC(RRR)1,392,1061,551,186+159,08062,04672,5640.46%+10,518
SPIRIT RLTY CAP INC NEW01,236,767+1,236,767048,7040.31%+48,704
NICE LTD(NICE)418,913512,803+93,89095,885105,8940.67%+10,009
PAYLOCITY HLDG CORP(PCTY)296,842372,736+75,89459,00668,7810.44%+9,775
WINGSTOP INC(WING)0307,664+307,664061,5820.39%+61,582
NEUROCRINE BIOSCIENCES INC(NBIX)0375,340+375,340035,3950.22%+35,395
PRIMERICA INC(PRI)0235,168+235,168046,5070.30%+46,507
AAON INC0541,030+541,030051,2950.33%+51,295
VERADIGM INC02,236,112+2,236,112028,1750.18%+28,175
ROCKWELL AUTOMATION INC(ROK)322,262314,273-7,98994,568103,5370.66%+8,969
POOL CORP(POOL)191,930198,641+6,71165,72574,4190.47%+8,694
NORTHERN OIL & GAS INC(NOG)01,307,658+1,307,658044,8790.29%+44,879
DECKERS OUTDOOR CORP(DECK)157,691149,687-8,00470,89078,9840.50%+8,094
APPLIED MATLS INC0405,687+405,687058,6380.37%+58,638
OVINTIV INC(OVV)01,376,035+1,376,035052,3860.33%+52,386
WEX INC(WEX)0150,147+150,147027,3370.17%+27,337
CELANESE CORP DEL(CE)648,311667,215+18,90470,59577,2630.49%+6,669
COSTCO WHSL CORP NEW(COST)215,399210,882-4,517107,025113,5350.72%+6,509
KINSALE CAP GROUP INC(KNSL)0116,700+116,700043,6690.28%+43,669
AXALTA COATING SYS LTD(AXTA)01,231,136+1,231,136040,3940.26%+40,394
MUELLER INDS INC(MLI)068,960+68,96006,0190.04%+6,019
BROADCOM INC(AVGO)024,088+24,088020,8950.13%+20,895
WORKDAY INC(WDAY)402,327393,772-8,55583,09788,9490.57%+5,853
LANTHEUS HLDGS INC(LNTH)1,101,2981,150,597+49,29990,92396,5580.61%+5,635
NEXTIER OILFIELD SOLUTIONS03,339,174+3,339,174029,8520.19%+29,852
MARVELL TECHNOLOGY INC(MRVL)2,755,7142,086,452-669,262119,322124,7280.79%+5,406
TRACTOR SUPPLY CO(TSCO)023,276+23,27605,1460.03%+5,146
BOX INC(BOX)01,059,557+1,059,557031,1300.20%+31,130
CHIPOTLE MEXICAN GRILL INC(CMG)112,07391,804-20,269191,453196,3701.25%+4,916
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