Fund HoldingsWESTFIELD CAPITAL MANAGEMENT CO LP

Total Portfolio Value
$30.61B
Total Bought
$11.25B
Total Sold
$5.89B
Net Transaction
+$5.36B
Filing Period:
Securities
SharesValue ($K)
Q1 2026
Q2 2026
Change
Q1 2026
Q2 2026
Weight (%)
Change
ASCENDIS PHARMA A/S(ASND)04,798,267+4,798,26701,279,7944.18%+1,279,794
ALPHABET INC(GOOG)2,026,7443,749,074+1,722,330582,8111,339,8064.38%+756,996
NVIDIA CORPORATION(NVDA)6,317,0398,079,926+1,762,8871,101,6921,616,7125.28%+515,021
AXON ENTERPRISE INC(AXON)1,064,1341,491,490+427,356451,927836,1442.73%+384,217
SNOWFLAKE INC(SNOW)718,8101,736,498+1,017,688108,411441,9391.44%+333,528
ADVANCED MICRO DEVICES INC(AMD)5,020403,081+398,0611,021234,1540.76%+233,132
MICRON TECHNOLOGY INC(MU)100,434228,203+127,76933,931263,4120.86%+229,481
BROADCOM INC(AVGO)1,236,9251,556,522+319,597382,841587,9761.92%+205,136
CARPENTER TECHNOLOGY CORP(CRS)0314,082+314,0820193,7380.63%+193,738
MKS INC.(MKSI)1,046,763928,617-118,146240,557413,0491.35%+172,492
ELI LILLY & CO(LLY)364,579416,732+52,153335,329499,8411.63%+164,512
CATERPILLAR INC(CAT)32,325174,620+142,29522,901185,9530.61%+163,052
PTC THERAPEUTICS INC(PTCT)01,956,156+1,956,1560159,5640.52%+159,564
LIFE TIME GROUP HOLDINGS INC(LTH)3,185,5155,995,254+2,809,73985,818244,8460.80%+159,028
GILEAD SCIENCES INC(GILD)26,6901,287,629+1,260,9393,720162,6790.53%+158,959
APPLIED MATLS INC936205,592+204,656320148,6430.49%+148,323
ARISTA NETWORKS INC(ANET)780,4021,317,096+536,69495,818223,7480.73%+127,931
WOODWARD INC(WWD)272,185526,505+254,32097,420223,9960.73%+126,576
LAM RESEARCH CORP(LRCX)0285,614+285,6140123,7650.40%+123,765
VISA INC(V)456,548762,403+305,855137,987261,5730.85%+123,586
PALO ALTO NETWORKS INC(PANW)636,483658,331+21,848102,041224,5040.73%+122,463
GUARDANT HEALTH INC(GH)1,362,5391,624,459+261,920125,858243,7180.80%+117,860
GARMIN LTD(GRMN)376,362861,057+484,69587,320204,5350.67%+117,216
MORGAN STANLEY(MS)496,558940,560+444,00281,719196,6150.64%+114,896
ASML HLDG NV
N Y REGISTRY SHS
057,430+57,4300114,2540.37%+114,254
SANDISK CORP(SNDK)049,024+49,0240111,4660.36%+111,466
GE VERNOVA INC(GEV)199,306241,272+41,966173,974283,4610.93%+109,487
ENPRO INC(NPO)0286,554+286,5540108,0110.35%+108,011
JFROG LTD(FROG)01,114,561+1,114,5610101,2910.33%+101,291
MARRIOTT INTL INC NEW(MAR)153,219398,962+245,74350,113147,8510.48%+97,738
FTAI AVIATION LTD(FTAI)2,848,2272,937,228+89,001697,816794,6082.60%+96,793
CLOUDFLARE INC(NET)541,566835,502+293,936111,747204,9320.67%+93,185
SERVICENOW INC(NOW)1,394,1872,373,711+979,524145,762235,6620.77%+89,900
MICROCHIP TECHNOLOGY INC.(MCHP)970,2951,639,111+668,81662,691149,4870.49%+86,796
AMER SPORTS INC(AS)3,937,5216,344,923+2,407,402129,623214,7120.70%+85,089
SEMTECH CORP(SMTC)1,280,5941,133,268-147,32698,465183,4190.60%+84,955
CSX CORP(CSX)1,658,2993,154,419+1,496,12068,073149,9300.49%+81,856
META PLATFORMS INC(META)526,822677,389+150,567301,410381,5661.25%+80,156
CITIGROUP INC(C)44,457608,124+563,6675,04285,1130.28%+80,071
TTM TECHNOLOGIES INC(TTMI)0416,052+416,052077,8100.25%+77,810
RHYTHM PHARMACEUTICALS INC(RYTM)1,929,1232,208,595+279,472167,776245,2200.80%+77,444
TAIWAN SEMICONDUCTOR MANUFAC(TSM)493,504510,999+17,495166,780244,0380.80%+77,258
FORGENT POWER SOLUTIONS INC(FPS)01,370,928+1,370,928076,5800.25%+76,580
REGAL REXNORD CORPORATION(RRX)681,717856,976+175,259127,658204,1230.67%+76,465
MASTEC INC(MTZ)249,980374,457+124,47780,429155,7970.51%+75,368
RUBRIK INC.(RBRK)0937,308+937,308075,2470.25%+75,247
SPROUTS FMRS MKT INC(SFM)0866,638+866,638073,3000.24%+73,300
PRAXIS PRECISION MEDICINES I(PRAX)662218,898+218,23621373,2850.24%+73,072
API GROUP CORP(APG)4,634,9296,154,301+1,519,372187,807260,6350.85%+72,827
NUVALENT INC0585,583+585,583072,3200.24%+72,320
DYCOM INDS INC(DY)0141,978+141,978071,7830.23%+71,783
FIRSTCASH HOLDINGS INC(FCFS)431,993693,085+261,09281,215149,9280.49%+68,713
PLANET LABS PBC(PL)1,637,0413,428,007+1,790,96645,755113,5700.37%+67,815
TERADYNE INC(TER)0136,491+136,491066,0400.22%+66,040
SENSATA TECHNOLOGIES HLDG PL
SHS
01,333,853+1,333,853063,6780.21%+63,678
BRIGHTSPRING HEALTH SVCS INC(BTSG)0897,804+897,804062,6130.20%+62,613
RELAY THERAPEUTICS INC(RLAY)03,343,496+3,343,496062,5570.20%+62,557
AFFIRM HLDGS INC(AFRM)1,080,6361,352,200+271,56449,515110,2720.36%+60,757
BUILDERS FIRSTSOURCE INC(BLDR)0656,421+656,421058,7370.19%+58,737
SHARKNINJA INC(SN)904,5411,008,349+103,80895,791153,5410.50%+57,750
QUANTA SVCS INC331,816331,489-327182,174238,6860.78%+56,512
ROBLOX CORP(RBLX)0985,802+985,802053,6080.18%+53,608
INSULET CORP(PODD)1,682352,717+351,03535353,7010.18%+53,348
ARGENX SE(ARGX)057,082+57,082052,9590.17%+52,959
ROBINHOOD MKTS INC(HOOD)633,384955,544+322,16043,89495,8220.31%+51,928
FLEX LTD(FLEX)0314,008+314,008050,8910.17%+50,891
SPOTIFY TECHNOLOGY S A(SPOT)0110,179+110,179050,5860.17%+50,586
ANALOG DEVICES INC(ADI)0126,445+126,445050,2200.16%+50,220
NASDAQ INC(NDAQ)0635,713+635,713050,1070.16%+50,107
RAMBUS INC DEL(RMBS)14,436385,811+371,3751,24251,2130.17%+49,971
SEAGATE TECHNOLOGY HLDNGS PL
ORD SHS
050,734+50,734048,9580.16%+48,958
SYNOPSYS INC(SNPS)132,848226,856+94,00852,672101,1940.33%+48,522
KEYSIGHT TECHNOLOGIES INC(KEYS)0134,908+134,908047,2270.15%+47,227
CORNING INC(GLW)0184,428+184,428047,1080.15%+47,108
NATERA INC(NTRA)754,729726,628-28,101150,938197,2430.64%+46,305
ONTO INNOVATION INC(ONTO)326,960299,383-27,57767,050113,3010.37%+46,252
LUMENTUM HLDGS INC(LITE)053,807+53,807046,1700.15%+46,170
KEYCORP(KEY)5,193,3346,493,467+1,300,133104,126149,6740.49%+45,548
ORUKA THERAPEUTICS INC(ORKA)313,130631,433+318,30315,35960,0930.20%+44,734
CELCUITY INC(CELC)0417,816+417,816043,7120.14%+43,712
ROCKWELL AUTOMATION INC(ROK)206,277237,136+30,85974,029117,4010.38%+43,373
TARGET HOSPITALITY CORP(TH)02,103,813+2,103,813042,8340.14%+42,834
INDIVIOR PHARMACEUTICALS INC(INDV)01,041,191+1,041,191042,7200.14%+42,720
MAREX GROUP PLC(MRX)0688,665+688,665041,9740.14%+41,974
PENUMBRA INC(PEN)0131,394+131,394041,4880.14%+41,488
DUTCH BROS INC(BROS)2,313,3572,184,001-129,356117,195156,8330.51%+39,638
CORE SCIENTIFIC INC NEW(CORZ)1,480,0132,409,894+929,88122,14161,6690.20%+39,528
IMPINJ INC(PI)0270,646+270,646038,7650.13%+38,765
MACOM TECH SOLUTIONS HLDGS I(MTSI)132,457175,952+43,49529,41566,9270.22%+37,512
SITIME CORP(SITM)049,998+49,998037,2770.12%+37,277
APPLIED OPTOELECTRONICS INC(AAOI)0249,553+249,553036,9740.12%+36,974
KRYSTAL BIOTECH INC(KRYS)098,707+98,707036,6860.12%+36,686
EVERUS CONSTR GROUP(ECG)0221,067+221,067036,6860.12%+36,686
IDEX CORP(IEX)426,019513,564+87,54580,752116,5530.38%+35,801
AXSOME THERAPEUTICS INC.(AXSM)0145,145+145,145035,5270.12%+35,527
SILICON MOTION TECHNOLOGY CO(SIMO)0106,466+106,466035,4880.12%+35,488
IRHYTHM HOLDINGS INC(IRTC)0288,924+288,924034,3680.11%+34,368
TERAWULF INC(WULF)01,336,673+1,336,673033,0160.11%+33,016
KAISER ALUMINIUM CORPORATION(KALU)0163,465+163,465031,9790.10%+31,979
D-WAVE QUANTUM INC(QBTS)01,313,161+1,313,161031,5030.10%+31,503
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