WESTFIELD CAPITAL MANAGEMENT CO LP - Q4 2020 holdings

$16.9 Billion is the total value of WESTFIELD CAPITAL MANAGEMENT CO LP's 247 reported holdings in Q4 2020. The portfolio turnover from Q3 2020 to Q4 2020 was 29.8% .

 Value Shares↓ Weighting
AAPL SellAPPLE INC$599,746,000
+0.2%
4,519,907
-12.5%
3.56%
-8.1%
AMZN SellAMAZON COM INC$543,842,000
-5.4%
166,980
-8.5%
3.23%
-13.3%
MSFT SellMICROSOFT CORP$434,884,000
-3.7%
1,955,237
-8.9%
2.58%
-11.7%
GOOGL SellALPHABET INCcap stk cl a$374,304,000
+8.1%
213,566
-9.6%
2.22%
-0.9%
ZEN SellZENDESK INC$324,025,000
+27.8%
2,264,009
-8.1%
1.92%
+17.1%
FB SellFACEBOOK INCcl a$299,948,000
-5.2%
1,098,068
-9.1%
1.78%
-13.0%
ASND SellASCENDIS PHARMA A/Ssponsored adr$288,510,000
+4.5%
1,729,881
-3.3%
1.71%
-4.3%
NOW SellSERVICENOW INC$246,209,000
+1.4%
447,303
-10.6%
1.46%
-7.0%
TDG BuyTRANSDIGM GROUP INC$241,415,000
+35.1%
390,103
+3.7%
1.43%
+23.9%
BIO BuyBIO RAD LABS INCcl a$240,207,000
+56.4%
412,062
+38.3%
1.42%
+43.4%
CRM SellSALESFORCE COM INC$217,260,000
-18.7%
976,318
-8.2%
1.29%
-25.5%
GPN BuyGLOBAL PMTS INC$192,864,000
+33.1%
895,295
+9.7%
1.14%
+22.0%
V SellVISA INC$189,146,000
-13.5%
864,745
-20.9%
1.12%
-20.8%
PYPL SellPAYPAL HLDGS INC$188,905,000
-4.8%
806,596
-19.9%
1.12%
-12.7%
AME SellAMETEK INC$180,836,000
+18.8%
1,495,250
-2.3%
1.07%
+8.9%
HD SellHOME DEPOT INC$177,844,000
-14.3%
669,542
-10.4%
1.06%
-21.5%
TT SellTRANE TECHNOLOGIES PLC$176,454,000
+7.7%
1,215,586
-10.1%
1.05%
-1.3%
NKE SellNIKE INCcl b$174,508,000
+2.9%
1,233,534
-8.7%
1.04%
-5.6%
DRI SellDARDEN RESTAURANTS INC$166,736,000
+12.8%
1,399,729
-4.6%
0.99%
+3.3%
TMO SellTHERMO FISHER SCIENTIFIC INC$166,376,000
-11.4%
357,198
-16.0%
0.99%
-18.8%
ICLR SellICON PLC$161,240,000
+1.7%
826,956
-0.4%
0.96%
-6.8%
WMS BuyADVANCED DRAIN SYS INC DEL$159,210,000
+46.7%
1,904,882
+9.6%
0.94%
+34.6%
FTNT SellFORTINET INC$157,962,000
+20.8%
1,063,502
-4.2%
0.94%
+10.8%
VRTX BuyVERTEX PHARMACEUTICALS INC$154,309,000
-4.9%
652,910
+9.5%
0.92%
-12.8%
AVGO SellBROADCOM INC$151,975,000
+10.6%
347,094
-8.0%
0.90%
+1.5%
AMAT SellAPPLIED MATLS INC$151,353,000
+16.6%
1,753,803
-19.7%
0.90%
+6.9%
ABBV NewABBVIE INC$148,791,0001,388,619
+100.0%
0.88%
TREX SellTREX CO INC$147,823,000
+16.3%
1,765,684
-0.6%
0.88%
+6.6%
FIS SellFIDELITY NATL INFORMATION SV$144,566,000
-30.7%
1,021,956
-27.9%
0.86%
-36.5%
SPLK SellSPLUNK INC$142,328,000
-24.0%
837,767
-15.8%
0.84%
-30.3%
WDAY BuyWORKDAY INCcl a$137,980,000
+42.6%
575,851
+28.0%
0.82%
+30.8%
HUBS SellHUBSPOT INC$137,020,000
+31.1%
345,625
-3.4%
0.81%
+20.1%
QCOM SellQUALCOMM INC$136,429,000
-2.2%
895,559
-24.5%
0.81%
-10.3%
BLD SellTOPBUILD CORP$134,962,000
-8.5%
733,168
-15.1%
0.80%
-16.1%
HUM SellHUMANA INC$134,411,000
-9.6%
327,615
-8.8%
0.80%
-17.1%
BSX BuyBOSTON SCIENTIFIC CORP$124,557,000
+8.6%
3,464,728
+15.4%
0.74%
-0.5%
NICE SellNICE LTDsponsored adr$123,302,000
+18.7%
434,868
-5.0%
0.73%
+8.8%
UNP SellUNION PAC CORP$123,128,000
-2.8%
591,337
-8.1%
0.73%
-10.9%
DGX BuyQUEST DIAGNOSTICS INC$122,303,000
+8.5%
1,026,288
+4.2%
0.73%
-0.5%
LPLA BuyLPL FINL HLDGS INC$121,204,000
+75.8%
1,162,967
+29.3%
0.72%
+61.2%
MTD SellMETTLER TOLEDO INTERNATIONAL$120,974,000
-10.4%
106,147
-24.1%
0.72%
-17.8%
ROK BuyROCKWELL AUTOMATION INC$120,516,000
+24.7%
480,509
+9.7%
0.72%
+14.2%
IDXX SellIDEXX LABS INC$119,691,000
+10.9%
239,444
-12.8%
0.71%
+1.6%
STE SellSTERIS PLC$117,054,000
-2.3%
617,569
-9.2%
0.70%
-10.4%
EYE BuyNATIONAL VISION HLDGS INC$115,880,000
+195.6%
2,558,631
+149.6%
0.69%
+170.9%
BMY SellBRISTOL-MYERS SQUIBB CO$114,457,000
-7.2%
1,845,192
-9.8%
0.68%
-14.9%
ESS NewESSEX PPTY TR INC$111,922,000471,409
+100.0%
0.66%
XLRN BuyACCELERON PHARMA INC$110,733,000
+16.2%
865,507
+2.2%
0.66%
+6.5%
TWLO SellTWILIO INCcl a$110,063,000
+28.2%
325,148
-6.4%
0.65%
+17.4%
PODD SellINSULET CORP$108,871,000
+5.4%
425,894
-2.5%
0.65%
-3.4%
ETSY SellETSY INC$107,004,000
+25.2%
601,451
-14.4%
0.64%
+14.8%
MS NewMORGAN STANLEY$105,913,0001,545,505
+100.0%
0.63%
TRU BuyTRANSUNION$104,254,000
+29.9%
1,050,731
+10.2%
0.62%
+19.3%
AJG SellGALLAGHER ARTHUR J & CO$102,815,000
+2.1%
831,100
-12.9%
0.61%
-6.4%
TDY SellTELEDYNE TECHNOLOGIES INC$100,010,000
-1.0%
255,140
-21.6%
0.59%
-9.3%
NCR BuyNCR CORP NEW$99,492,000
+91.8%
2,648,189
+13.0%
0.59%
+75.6%
BPMC SellBLUEPRINT MEDICINES CORP$97,354,000
-1.0%
868,067
-18.2%
0.58%
-9.3%
IEX BuyIDEX CORP$97,298,000
+161.9%
488,445
+139.8%
0.58%
+139.4%
IRWD BuyIRONWOOD PHARMACEUTICALS INC$96,679,000
+57.0%
8,488,042
+24.0%
0.57%
+43.9%
FIVE SellFIVE BELOW INC$96,420,000
+34.4%
551,036
-2.5%
0.57%
+23.3%
COO SellCOOPER COS INC$95,927,000
+1.8%
264,028
-5.5%
0.57%
-6.7%
SGEN NewSEAGEN INC$94,552,000539,865
+100.0%
0.56%
CMG SellCHIPOTLE MEXICAN GRILL INC$93,351,000
+5.1%
67,318
-5.8%
0.55%
-3.7%
NVDA BuyNVIDIA CORPORATION$92,700,000
+94.5%
177,519
+101.6%
0.55%
+78.0%
ZNGA BuyZYNGA INCcl a$91,551,000
+31.0%
9,275,709
+21.1%
0.54%
+20.1%
ORLY SellOREILLY AUTOMOTIVE INC$90,367,000
-23.6%
199,675
-22.2%
0.54%
-30.0%
RCKT BuyROCKET PHARMACEUTICALS INC$87,469,000
+155.3%
1,594,981
+6.4%
0.52%
+133.8%
SAIC BuySCIENCE APPLICATIONS INTL CO$86,932,000
+25.5%
918,554
+4.0%
0.52%
+15.2%
WEX SellWEX INC$86,467,000
+42.1%
424,838
-3.0%
0.51%
+30.2%
NFLX SellNETFLIX INC$85,377,000
-5.5%
157,892
-12.6%
0.51%
-13.3%
FLT SellFLEETCOR TECHNOLOGIES INC$84,973,000
+7.7%
311,451
-6.0%
0.50%
-1.4%
FFIV BuyF5 NETWORKS INC$80,564,000
+212.7%
457,907
+118.2%
0.48%
+186.2%
SellBRP INC$80,422,000
+21.5%
1,218,882
-2.7%
0.48%
+11.4%
LECO SellLINCOLN ELEC HLDGS INC$79,200,000
+22.7%
681,293
-2.9%
0.47%
+12.4%
MCHP SellMICROCHIP TECHNOLOGY INC.$78,982,000
+12.8%
571,880
-16.1%
0.47%
+3.5%
RNG BuyRINGCENTRAL INCcl a$78,883,000
+131.8%
208,152
+68.0%
0.47%
+112.7%
ROST SellROSS STORES INC$78,511,000
+24.8%
639,285
-5.1%
0.47%
+14.5%
MSCI BuyMSCI INC$77,615,000
+39.6%
173,817
+11.5%
0.46%
+28.1%
XLNX NewXILINX INC$77,353,000545,622
+100.0%
0.46%
TKR SellTIMKEN CO$76,731,000
+37.6%
991,872
-3.5%
0.46%
+26.0%
BMRN BuyBIOMARIN PHARMACEUTICAL INC$74,701,000
+54.1%
851,872
+33.7%
0.44%
+41.1%
CRL BuyCHARLES RIV LABS INTL INC$73,365,000
+20.3%
293,626
+9.0%
0.44%
+10.1%
SUI SellSUN CMNTYS INC$72,520,000
-14.2%
477,264
-20.6%
0.43%
-21.4%
CSGP SellCOSTAR GROUP INC$71,956,000
+4.4%
77,851
-4.2%
0.43%
-4.3%
ULTA SellULTA BEAUTY INC$68,749,000
+19.7%
239,410
-6.6%
0.41%
+9.7%
CAT SellCATERPILLAR INC$68,404,000
+8.9%
375,807
-10.8%
0.41%
-0.2%
MDB SellMONGODB INCcl a$68,219,000
+47.1%
190,005
-5.1%
0.40%
+35.0%
MASI SellMASIMO CORP$63,725,000
-7.1%
237,443
-18.3%
0.38%
-14.9%
AZEK BuyAZEK CO INCcl a$63,339,000
+173.9%
1,647,300
+148.0%
0.38%
+150.7%
HAE SellHAEMONETICS CORP$63,251,000
-13.9%
532,642
-36.8%
0.38%
-21.2%
LITE BuyLUMENTUM HLDGS INC$62,367,000
+31.4%
657,883
+4.1%
0.37%
+20.5%
RP SellREALPAGE INC$62,425,000
+49.1%
715,553
-1.5%
0.37%
+36.5%
TW SellTRADEWEB MKTS INCcl a$62,204,000
+0.6%
996,056
-6.6%
0.37%
-7.8%
CTSH SellCOGNIZANT TECHNOLOGY SOLUTIOcl a$62,265,000
+11.7%
759,790
-5.4%
0.37%
+2.2%
SPGI SellS&P GLOBAL INC$61,980,000
-49.0%
188,543
-44.1%
0.37%
-53.2%
ST SellSENSATA TECHNOLOGIES HLDG PL$61,875,000
+8.7%
1,173,214
-11.1%
0.37%
-0.3%
CTLT BuyCATALENT INC$61,850,000
+34.9%
594,314
+11.0%
0.37%
+23.6%
ROKU NewROKU INC$61,598,000185,524
+100.0%
0.37%
DXCM SellDEXCOM INC$61,375,000
-11.6%
166,004
-1.5%
0.36%
-19.1%
RPM SellRPM INTL INC$60,838,000
+2.3%
670,173
-6.6%
0.36%
-6.2%
TGT SellTARGET CORP$60,605,000
-34.9%
343,314
-41.9%
0.36%
-40.2%
NXPI SellNXP SEMICONDUCTORS N V$59,073,000
+20.2%
371,504
-5.6%
0.35%
+10.4%
HZNP NewHORIZON THERAPEUTICS PUB L$58,973,000806,188
+100.0%
0.35%
NUAN SellNUANCE COMMUNICATIONS INC$57,927,000
+27.5%
1,313,826
-4.0%
0.34%
+17.0%
BKI SellBLACK KNIGHT INC$57,701,000
-0.0%
653,093
-1.5%
0.34%
-8.6%
SYF NewSYNCHRONY FINANCIAL$56,438,0001,625,976
+100.0%
0.34%
PCRX BuyPACIRA BIOSCIENCES INC$55,471,000
+1.1%
926,988
+1.6%
0.33%
-7.3%
ITT BuyITT INC$54,284,000
+103.9%
704,805
+56.3%
0.32%
+87.2%
AMED BuyAMEDISYS INC$54,284,000
+30.8%
185,060
+5.4%
0.32%
+19.7%
CE SellCELANESE CORP DEL$53,881,000
+15.6%
414,661
-4.4%
0.32%
+6.0%
MU NewMICRON TECHNOLOGY INC$53,973,000717,918
+100.0%
0.32%
SSNC SellSS&C TECHNOLOGIES HLDGS INC$53,926,000
-9.7%
741,244
-24.8%
0.32%
-17.1%
SRC NewSPIRIT RLTY CAP INC NEW$53,485,0001,331,461
+100.0%
0.32%
NTNX BuyNUTANIX INCcl a$52,143,000
+15653.2%
1,636,106
+10851.9%
0.31%
+15350.0%
ODFL SellOLD DOMINION FREIGHT LINE IN$51,894,000
-9.6%
265,879
-16.2%
0.31%
-17.2%
EPRT SellESSENTIAL PPTYS RLTY TR INC$49,618,000
+12.8%
2,340,469
-2.6%
0.29%
+3.2%
ON NewON SEMICONDUCTOR CORP$49,521,0001,513,001
+100.0%
0.29%
MKSI BuyMKS INSTRS INC$49,457,000
+55.6%
328,725
+13.0%
0.29%
+42.2%
EPAY BuyBOTTOMLINE TECH DEL INC$48,992,000
+60.4%
928,927
+28.2%
0.29%
+47.0%
WSM NewWILLIAMS SONOMA INC$48,687,000478,076
+100.0%
0.29%
NewLIGHTSPEED POS INC$48,363,000687,066
+100.0%
0.29%
SRPT SellSAREPTA THERAPEUTICS INC$47,623,000
-0.9%
279,328
-18.4%
0.28%
-9.0%
TPTX BuyTURNING POINT THERAPEUTICS I$47,639,000
+80.2%
390,967
+29.2%
0.28%
+65.5%
PLAN SellANAPLAN INC$46,914,000
+13.2%
652,941
-1.4%
0.28%
+3.7%
FMC SellFMC CORP$46,430,000
+7.1%
403,984
-1.3%
0.28%
-1.8%
SIMO BuySILICON MOTION TECHNOLOGY COsponsored adr$45,604,000
+87.4%
947,119
+47.1%
0.27%
+72.6%
CHDN SellCHURCHILL DOWNS INC$45,018,000
+13.8%
231,108
-4.3%
0.27%
+4.3%
EXPE SellEXPEDIA GROUP INC$44,503,000
+37.2%
336,126
-5.0%
0.26%
+25.7%
NBIX BuyNEUROCRINE BIOSCIENCES INC$44,483,000
+14.4%
464,086
+14.8%
0.26%
+4.8%
AEIS SellADVANCED ENERGY INDS$44,051,000
+36.5%
454,272
-11.4%
0.26%
+24.9%
LAMR SellLAMAR ADVERTISING CO NEWcl a$43,466,000
+20.8%
522,300
-3.9%
0.26%
+10.7%
SAIA SellSAIA INC$43,508,000
+37.1%
240,639
-4.4%
0.26%
+25.9%
INSM SellINSMED INC$42,567,000
-0.6%
1,278,676
-4.0%
0.25%
-8.7%
BERY SellBERRY GLOBAL GROUP INC$42,533,000
+11.8%
756,948
-3.9%
0.25%
+2.4%
PANW NewPALO ALTO NETWORKS INC$40,572,000114,162
+100.0%
0.24%
CDAY SellCERIDIAN HCM HLDG INC$39,396,000
+26.8%
369,710
-1.7%
0.23%
+16.4%
DHI SellD R HORTON INC$39,170,000
-34.5%
568,338
-28.1%
0.23%
-40.1%
MIME SellMIMECAST LTD$38,802,000
+16.5%
682,658
-3.8%
0.23%
+6.5%
MXL BuyMAXLINEAR INC$38,329,000
+136.6%
1,003,631
+44.0%
0.23%
+116.2%
HEIA SellHEICO CORP NEWcl a$38,333,000
+30.3%
327,464
-1.3%
0.23%
+19.5%
AYX SellALTERYX INC$38,006,000
-22.6%
312,060
-27.8%
0.23%
-28.9%
AVLR SellAVALARA INC$38,033,000
+27.7%
230,655
-1.4%
0.23%
+17.1%
PLMR SellPALOMAR HLDGS INC$36,842,000
-25.3%
414,702
-12.4%
0.22%
-31.3%
BURL SellBURLINGTON STORES INC$36,889,000
-12.3%
141,039
-30.9%
0.22%
-19.5%
TNDM BuyTANDEM DIABETES CARE INC$36,400,000
+28.5%
380,432
+52.4%
0.22%
+18.0%
FOUR BuySHIFT4 PMTS INCcl a$36,253,000
+77.3%
480,809
+13.7%
0.22%
+62.9%
FRC SellFIRST REP BK SAN FRANCISCO C$36,201,000
+33.2%
246,383
-1.2%
0.22%
+22.2%
AIZ SellASSURANT INC$35,879,000
-7.0%
263,391
-17.1%
0.21%
-14.8%
STAY SellEXTENDED STAY AMER INCunit 99/99/9999b$35,632,000
+22.5%
2,405,919
-1.2%
0.21%
+12.2%
PRI SellPRIMERICA INC$35,306,000
+13.3%
263,612
-4.3%
0.21%
+4.0%
HXL NewHEXCEL CORP NEW$33,817,000697,395
+100.0%
0.20%
RVLV NewREVOLVE GROUP INCcl a$33,237,0001,066,316
+100.0%
0.20%
ITW BuyILLINOIS TOOL WKS INC$33,082,000
+6.2%
162,263
+0.7%
0.20%
-3.0%
SMAR SellSMARTSHEET INC$31,995,000
+11.2%
461,760
-20.7%
0.19%
+2.2%
MTOR SellMERITOR INC$31,806,000
+31.1%
1,139,580
-1.7%
0.19%
+20.4%
SAGE SellSAGE THERAPEUTICS INC$30,590,000
-9.9%
353,603
-36.3%
0.18%
-17.3%
IWO NewISHARES TRrus 2000 grw etf$30,539,000106,520
+100.0%
0.18%
LPRO SellOPEN LENDING CORP$30,360,000
+5.4%
868,409
-23.1%
0.18%
-3.2%
CRUS NewCIRRUS LOGIC INC$29,783,000362,321
+100.0%
0.18%
BL SellBLACKLINE INC$29,475,000
+42.5%
220,983
-4.2%
0.18%
+30.6%
HHC SellHOWARD HUGHES CORP$28,797,000
+31.5%
364,842
-4.0%
0.17%
+20.4%
CAKE NewCHEESECAKE FACTORY INC$28,667,000773,533
+100.0%
0.17%
RPAY SellREPAY HLDGS CORP$28,609,000
+4.6%
1,049,859
-9.8%
0.17%
-4.0%
KLIC NewKULICKE & SOFFA INDS INC$28,553,000897,618
+100.0%
0.17%
CYBR NewCYBERARK SOFTWARE LTD$27,469,000169,994
+100.0%
0.16%
PSB NewPS BUSINESS PKS INC CALIF$26,939,000202,745
+100.0%
0.16%
WCN SellWASTE CONNECTIONS INC$25,856,000
-6.8%
252,080
-5.6%
0.15%
-15.0%
TWOU Sell2U INC$25,864,000
+13.3%
646,442
-4.1%
0.15%
+3.4%
TXRH SellTEXAS ROADHOUSE INC$25,044,000
-34.0%
320,421
-48.6%
0.15%
-39.2%
WNS SellWNS HLDGS LTDspon adr$24,756,000
-11.8%
343,593
-21.7%
0.15%
-19.2%
VIAV SellVIAVI SOLUTIONS INC$24,716,000
-39.2%
1,650,457
-52.4%
0.15%
-44.1%
BBIO NewBRIDGEBIO PHARMA INC$24,667,000346,880
+100.0%
0.15%
KNSL BuyKINSALE CAP GROUP INC$23,202,000
+8.2%
115,936
+2.8%
0.14%
-0.7%
MSA SellMSA SAFETY INC$23,055,000
+6.7%
154,326
-4.2%
0.14%
-2.1%
FGEN BuyFIBROGEN INC$21,937,000
+128.8%
591,464
+153.6%
0.13%
+109.7%
ACIW SellACI WORLDWIDE INC$21,864,000
+40.7%
568,940
-4.3%
0.13%
+28.7%
BRP BuyBRP GROUP INC$20,592,000
+117.7%
687,093
+80.9%
0.12%
+100.0%
HLNE SellHAMILTON LANE INCcl a$20,587,000
-9.6%
263,771
-25.2%
0.12%
-17.0%
CHNG NewCHANGE HEALTHCARE INC$19,170,0001,027,856
+100.0%
0.11%
CHGG SellCHEGG INC$19,053,000
+25.0%
210,923
-1.2%
0.11%
+14.1%
MSGS BuyMADISON SQUARE GRDN SPRT CORcl a$16,655,000
+76.6%
90,469
+44.3%
0.10%
+62.3%
RGEN SellREPLIGEN CORP$15,836,000
+24.8%
82,638
-3.9%
0.09%
+14.6%
FATE SellFATE THERAPEUTICS INC$14,516,000
-11.5%
159,639
-61.1%
0.09%
-18.9%
ABT SellABBOTT LABS$13,407,000
+0.4%
122,451
-0.2%
0.08%
-7.0%
AVY  AVERY DENNISON CORP$13,561,000
+21.3%
87,4300.0%0.08%
+11.1%
SITM SellSITIME CORP$12,762,000
-50.8%
114,014
-63.0%
0.08%
-54.8%
EIDX SellEIDOS THERAPEUTICS INC$12,292,000
+1.7%
93,422
-60.9%
0.07%
-6.4%
MRSN NewMERSANA THERAPEUTICS INC$12,304,000462,378
+100.0%
0.07%
ORBC NewORBCOMM INC$11,194,0001,508,604
+100.0%
0.07%
PAYA NewPAYA HOLDINGS INC$11,065,000814,803
+100.0%
0.07%
BDTX NewBLACK DIAMOND THERAPEUTICS I$10,525,000328,405
+100.0%
0.06%
INVA NewINNOVIVA INC$10,383,000838,051
+100.0%
0.06%
ADTN BuyADTRAN INC$10,324,000
+80.9%
698,986
+25.6%
0.06%
+64.9%
WMT  WALMART INC$8,865,000
+3.0%
61,5000.0%0.05%
-5.4%
GOOG SellALPHABET INCcap stk cl c$8,672,000
+9.9%
4,950
-7.8%
0.05%0.0%
CMCSA SellCOMCAST CORP NEWcl a$7,913,000
+12.8%
151,018
-0.4%
0.05%
+4.4%
FICO SellFAIR ISAAC CORP$7,508,000
-84.8%
14,691
-87.4%
0.04%
-86.0%
DHR BuyDANAHER CORPORATION$7,167,000
+3.5%
32,263
+0.3%
0.04%
-4.4%
ARE  ALEXANDRIA REAL ESTATE EQ IN$6,728,000
+11.4%
37,7500.0%0.04%
+2.6%
JKHY  HENRY JACK & ASSOC INC$6,630,000
-0.4%
40,9290.0%0.04%
-9.3%
BFAM  BRIGHT HORIZONS FAM SOL IN D$6,478,000
+13.8%
37,4500.0%0.04%
+2.7%
C BuyCITIGROUP INC$6,010,000
+48.7%
97,465
+3.9%
0.04%
+38.5%
LRCX SellLAM RESEARCH CORP$6,026,000
-87.1%
12,760
-90.9%
0.04%
-88.1%
PEP  PEPSICO INC$6,065,000
+7.0%
40,9000.0%0.04%
-2.7%
SBUX SellSTARBUCKS CORP$6,005,000
-20.6%
56,133
-36.2%
0.04%
-26.5%
BLK  BLACKROCK INC$5,581,000
+28.0%
7,7350.0%0.03%
+17.9%
TROW  PRICE T ROWE GROUP INC$5,569,000
+18.1%
36,7850.0%0.03%
+6.5%
APO BuyAPOLLO GLOBAL MGMT INC$4,864,000
+67.3%
99,310
+52.8%
0.03%
+52.6%
TSE NewTRINSEO S A$4,441,00086,720
+100.0%
0.03%
LULU SellLULULEMON ATHLETICA INC$4,326,000
-89.1%
12,431
-89.6%
0.03%
-89.8%
AMT SellAMERICAN TOWER CORP NEW$4,291,000
-96.0%
19,115
-95.7%
0.02%
-96.4%
BBY  BEST BUY INC$4,004,000
-10.3%
40,1250.0%0.02%
-17.2%
PCTY SellPAYLOCITY HLDG CORP$3,879,000
-80.2%
18,840
-84.5%
0.02%
-81.9%
SBAC SellSBA COMMUNICATIONS CORP NEWcl a$3,829,000
-95.4%
13,570
-94.8%
0.02%
-95.7%
TDOC  TELADOC HEALTH INC$3,559,000
-8.8%
17,8000.0%0.02%
-16.0%
MTN  VAIL RESORTS INC$3,387,000
+30.4%
12,1400.0%0.02%
+17.6%
RUSHA BuyRUSH ENTERPRISES INCcl a$3,229,000
+23.0%
77,950
+50.0%
0.02%
+11.8%
STZ SellCONSTELLATION BRANDS INCcl a$2,939,000
+15.5%
13,418
-0.1%
0.02%
+6.2%
NXST SellNEXSTAR MEDIA GROUP INCcl a$2,791,000
-88.6%
25,560
-90.6%
0.02%
-89.2%
MRTN  MARTEN TRANS LTD$2,537,000
+5.6%
147,2490.0%0.02%
-6.2%
RJF  RAYMOND JAMES FINL INC$2,557,000
+31.5%
26,7300.0%0.02%
+15.4%
PFPT SellPROOFPOINT INC$2,499,000
-93.8%
18,320
-95.2%
0.02%
-94.3%
IT  GARTNER INC$2,302,000
+28.2%
14,3700.0%0.01%
+16.7%
DIS SellDISNEY WALT CO$1,619,000
+40.9%
8,936
-3.5%
0.01%
+42.9%
IART  INTEGRA LIFESCIENCES HLDGS C$1,492,000
+37.5%
22,9800.0%0.01%
+28.6%
COST SellCOSTCO WHSL CORP NEW$1,325,000
-22.0%
3,517
-26.5%
0.01%
-27.3%
TEAM BuyATLASSIAN CORP PLCcl a$1,116,000
+54.1%
4,770
+19.8%
0.01%
+40.0%
CUTR  CUTERA INC$1,029,000
+27.0%
42,6800.0%0.01%
+20.0%
TMUS SellT-MOBILE US INC$1,081,000
-99.0%
8,019
-99.2%
0.01%
-99.1%
JNJ NewJOHNSON & JOHNSON$1,078,0006,850
+100.0%
0.01%
SBNY  SIGNATURE BK NEW YORK N Y$804,000
+63.1%
5,9400.0%0.01%
+66.7%
GDX NewVANECK VECTORS ETF TRgold miners etf$869,00024,130
+100.0%
0.01%
CSX  CSX CORP$865,000
+16.9%
9,5300.0%0.01%0.0%
MRK SellMERCK & CO. INC$856,000
-86.1%
10,469
-85.9%
0.01%
-87.5%
JPM NewJPMORGAN CHASE & CO$801,0006,300
+100.0%
0.01%
NSA  NATIONAL STORAGE AFFILIATES$594,000
+10.0%
16,5000.0%0.00%
+33.3%
BIIB SellBIOGEN INC$444,000
-14.6%
1,813
-1.0%
0.00%0.0%
SLV NewISHARES SILVER TRishares$540,00021,990
+100.0%
0.00%
TRNO  TERRENO RLTY CORP$517,000
+6.8%
8,8400.0%0.00%0.0%
PAGS NewPAGSEGURO DIGITAL LTD$512,0009,010
+100.0%
0.00%
BABA  ALIBABA GROUP HLDG LTDsponsored ads$441,000
-20.8%
1,8930.0%0.00%
-25.0%
MCB NewMETROPOLITAN BK HLDG CORP$461,00012,700
+100.0%
0.00%
KAI NewKADANT INC$527,0003,740
+100.0%
0.00%
CASY NewCASEYS GEN STORES INC$488,0002,730
+100.0%
0.00%
CMI NewCUMMINS INC$486,0002,140
+100.0%
0.00%
PCG NewPG&E CORP$326,00026,200
+100.0%
0.00%
VTR NewVENTAS INC$218,0004,442
+100.0%
0.00%
AGEN ExitAGENUS INC$0-53,780
-100.0%
-0.00%
RNA ExitAVIDITY BIOSCIENCES INC$0-9,200
-100.0%
-0.00%
FMTX ExitFORMA THERAPEUTICS HLDGS INC$0-7,250
-100.0%
-0.00%
ALB ExitALBEMARLE CORP$0-4,820
-100.0%
-0.00%
DPZ ExitDOMINOS PIZZA INC$0-930
-100.0%
-0.00%
WWD ExitWOODWARD INC$0-6,020
-100.0%
-0.00%
SIVB ExitSVB FINANCIAL GROUP$0-1,900
-100.0%
-0.00%
HLT ExitHILTON WORLDWIDE HLDGS INC$0-6,003
-100.0%
-0.00%
FTAC ExitFINTECH ACQUISITION CORP III$0-58,170
-100.0%
-0.00%
STRA ExitSTRATEGIC ED INC$0-12,260
-100.0%
-0.01%
FAF ExitFIRST AMERN FINL CORP$0-96,420
-100.0%
-0.03%
DIOD ExitDIODES INC$0-194,289
-100.0%
-0.07%
GBT ExitGLOBAL BLOOD THERAPEUTICS IN$0-217,850
-100.0%
-0.08%
SKY ExitSKYLINE CHAMPION CORPORATION$0-674,411
-100.0%
-0.12%
ENV ExitENVESTNET INC$0-241,658
-100.0%
-0.12%
GO ExitGROCERY OUTLET HLDG CORP$0-486,069
-100.0%
-0.12%
ELS ExitEQUITY LIFESTYLE PPTYS INC$0-391,333
-100.0%
-0.16%
UNF ExitUNIFIRST CORP MASS$0-166,251
-100.0%
-0.20%
MYOK ExitMYOKARDIA INC$0-237,991
-100.0%
-0.21%
REXR ExitREXFORD INDL RLTY INC$0-712,509
-100.0%
-0.21%
STOR ExitSTORE CAP CORP$0-1,247,937
-100.0%
-0.22%
SQ ExitSQUARE INCcl a$0-298,983
-100.0%
-0.32%
KBH ExitKB HOME$0-1,382,251
-100.0%
-0.34%
MMC ExitMARSH & MCLENNAN COS INC$0-565,558
-100.0%
-0.42%
JBHT ExitHUNT J B TRANS SVCS INC$0-529,107
-100.0%
-0.43%
SGEN ExitSEATTLE GENETICS INC$0-392,016
-100.0%
-0.50%
DBX ExitDROPBOX INCcl a$0-3,987,158
-100.0%
-0.50%
ALGN ExitALIGN TECHNOLOGY INC$0-390,861
-100.0%
-0.83%
CHTR ExitCHARTER COMMUNICATIONS INC Ncl a$0-207,701
-100.0%
-0.84%
Original filings

The following EDGAR filing(s) were analyzed to create this report:

  • View 13F-HR filed 2021-02-12
Signatures

The EDGAR filing(s) were signed by:

Top long-term holdings
NameQuarters ownedLatest quarter ownedMax weighting
APPLE INC COM42Q3 20234.4%
MICROSOFT CORP COM42Q3 20233.2%
VISA INC COM CL A42Q3 20231.9%
SALESFORCE INC42Q3 20231.7%
ICON PLC42Q3 20232.3%
TRANSDIGM GROUP INC COM42Q3 20232.1%
COOPER COS INC COM NEW42Q3 20231.5%
THERMO FISHER SCIENTIFIC INC C42Q3 20231.4%
FORTINET INC COM42Q3 20231.5%
UNION PACIFIC CORP42Q3 20231.3%

View WESTFIELD CAPITAL MANAGEMENT CO LP's complete holdings history.

Latest significant ownerships (13-D/G)
WESTFIELD CAPITAL MANAGEMENT CO LP Q4 2020 significant holdings filed using form 13D/G when ownership exceeds 5% of a company's total stock issue.
FiledShares Percentage
IRONWOOD PHARMACEUTICALS INCSold outJuly 05, 202300.0%
Innoviva, Inc.February 02, 20234,106,1365.9%
RUSH ENTERPRISES INC \TX\Sold outJuly 02, 202100.0%
SITIME CorpSold outFebruary 01, 202100.0%
Correvio Pharma Corp.Sold outJanuary 07, 202000.0%
MEDICINES CO /DEJanuary 07, 20201,368,7201.7%
Cardiome Pharma CorpMay 02, 20184,149,24411.9%
HEXCEL CORP /DE/Sold outAugust 03, 201700.0%
Huron Consulting Group Inc.Sold outApril 10, 201700.0%
ARIAD PHARMACEUTICALS INCSold outApril 07, 201700.0%

View WESTFIELD CAPITAL MANAGEMENT CO LP's complete significant-ownership history.

Latest filings
TypeFiled
13F-HR2024-02-09
SC 13G/A2024-02-02
SC 13G2024-01-10
13F-HR2023-11-13
13F-HR2023-08-11
SC 13G/A2023-07-05
13F-HR2023-05-12
13F-HR2023-02-13
SC 13G/A2023-02-02
SC 13G2023-02-02

View WESTFIELD CAPITAL MANAGEMENT CO LP's complete filings history.

Compare quarters

Export WESTFIELD CAPITAL MANAGEMENT CO LP's holdings