Find Institutional Investor
Institutional Investor
Browse Institutional Investors
Time Period
Activity
Security Type
Top Percentile
?
Use this filter to see holdings within a selected percentile portfolio.

For example, click 10 to show only holdings in the top 10 percentile.

100908070605040302010%
Sectors
?
Use the pull down list to add one or more sectors to the space below and click Apply to filter out the holdings that belong to your selected sector(s).
 
Stock Style
?
Stock Style shows hedge fund manager's main investment focus in Value or Growth. It is determined based on analysis of portfolio holdings that are part of about 3000 US Stocks.
Style
Market Cap
Large
Value
Mid
Blend
Small
Growth
22
6
26
3
9
1
30
27
56
WESTFIELD CAPITAL MANAGEMENT CO LP

Time Period2018-12-31

Total Holdings240

Total Value ($x1000)11,724,178
Activities
New40

Increased99

Unchanged10

Decreased91

Sold Out49

Top 10 Stock Holdingstotal 19.09%
AAPL2.73

AMZN2.6

MSFT1.87

UNH1.82

V1.77

 
MTD1.74

GOOG1.73

BA1.7

NOW1.61

CRM1.52

-- hover over a symbol below for details --
SEC 13F
Filing
Detail
Sort:
AAPL
2.73%
COM
AMZN
2.6%
COM
MSFT
1.87%
COM
UNH
1.82%
COM
V
1.77%
COM CL A
MTD
1.74%
COM
GOOG
1.73%
CAP STK CL C
BA
1.7%
COM
NOW
1.61%
COM
CRM
1.52%
COM
MPC
1.5%
COM
AME
1.41%
COM
GOOGL
1.39%
CAP STK CL A
COO
1.36%
COM NEW
UNP
1.3%
COM
HD
1.29%
COM
JAZZ
1.21%
SHS USD
TDY
1.18%
COM
IR
1.07%
SHS
TMO
0.93%
COM
NFLX
0.92%
COM
VRTX
0.91%
COM
ITW
0.9%
COM
ADBE
0.9%
COM
MCD
0.9%
COM
TDG
0.88%
COM
STE
0.87%
SHS USD
AJG
0.87%
COM
MA
0.86%
CL A
CHTR
0.84%
CL A
JBHT
0.83%
COM
DIS
0.82%
COM DISNEY
LII
0.81%
COM
SPGI
0.81%
COM
PGR
0.79%
COM
IBM
0.79%
COM
AVY
0.78%
COM
PYPL
0.77%
COM
ICLR
0.77%
SHS
BAC
0.77%
COM
WP
0.77%
CL A
NKE
0.76%
CL B
MDCO
0.75%
COM
MSG
0.75%
CL A
ZEN
0.75%
COM
BIO
0.74%
CL A
AMAT
0.74%
COM
MAR
0.73%
CL A
TSS
0.71%
COM
FB
0.71%
CL A
MTN
0.7%
COM
FTNT
0.68%
COM
AVGO
0.68%
COM
EOG
0.67%
COM
ULTA
0.67%
COM
CAG
0.66%
COM
COST
0.66%
COM
FIS
0.65%
COM
ULTI
0.63%
COM
INFO
0.63%
SHS
CELG
0.62%
COM
BIIB
0.62%
COM
HAE
0.61%
COM
ARE
0.59%
COM
PXD
0.59%
COM
FLT
0.58%
COM
SPLK
0.58%
COM
NICE
0.56%
SPONSORED ADR
BKI
0.55%
COM
TMUS
0.53%
COM
LRCX
0.53%
COM
MU
0.52%
COM
LPLA
0.51%
COM
HLT
0.5%
WHEN ISSUED
RHT
0.49%
COM
SIX
0.49%
COM
XLRN
0.48%
COM
SBAC
0.48%
CL A
PBF
0.42%
CL A
FLS
0.42%
COM
NXPI
0.42%
COM
MSCI
0.41%
COM
TRU
0.41%
COM
WPX
0.4%
COM
IDXX
0.39%
COM
RJF
0.38%
COM
DGX
0.37%
COM
BURL
0.37%
COM
ADSK
0.36%
COM
WAL
0.36%
COM
GDDY
0.36%
CL A
PFPT
0.35%
COM
LULU
0.34%
COM
ON
0.34%
COM
RPM
0.33%
COM
RP
0.33%
COM
PANW
0.32%
COM
JACK
0.32%
COM
DXCM
0.31%
COM
ESNT
0.31%
COM
TIF
0.31%
COM
KMPR
0.31%
COM
BERY
0.31%
COM
GWRE
0.31%
COM
DATA
0.3%
CL A
ROK
0.3%
COM
TSCO
0.3%
COM
MRVL
0.29%
ORD
ASND
0.29%
SPONSORED ADR
FLIR
0.29%
COM
NTAP
0.28%
COM
INXN
0.28%
SHS
IART
0.28%
COM NEW
CR
0.28%
COM
SUM
0.28%
CL A
QTS
0.27%
COM CL A
GRA
0.27%
COM
BPMC
0.27%
COM
FANG
0.26%
COM
HEI/A
0.26%
CL A
SUI
0.26%
COM
RUSHA
0.26%
CL A
SIVB
0.25%
COM
CSGP
0.25%
COM
MSA
0.25%
COM
NGVT
0.25%
COM
IT
0.25%
COM
NXST
0.24%
CL A
GPN
0.24%
COM
TWLO
0.24%
CL A
SRPT
0.24%
COM
ZAYO
0.23%
COM
CRL
0.23%
COM
PLAY
0.22%
COM
SQ
0.22%
CL A
BFAM
0.22%
COM
FICO
0.21%
COM
SERV
0.21%
COM
ERI
0.2%
COM
WWW
0.2%
COM
SWKS
0.2%
COM
LECO
0.2%
COM
AEO
0.2%
COM
NVCR
0.2%
ORD SHS
MPWR
0.19%
COM
TREX
0.19%
COM
MASI
0.19%
COM
OEC
0.18%
COM
EWBC
0.18%
COM
SSNC
0.18%
COM
ENV
0.18%
COM
LITE
0.17%
COM
NMRK
0.17%
CL A
NUAN
0.17%
COM
IRWD
0.17%
COM CL A
UNVR
0.17%
COM
R
0.17%
COM
NTNX
0.17%
CL A
VIAV
0.17%
COM
FIVE
0.17%
COM
NEWR
0.17%
COM
ALNY
0.17%
COM
ZGNX
0.17%
COM NEW
ACIA
0.17%
COM
XENT
0.16%
COM
EGHT
0.16%
COM
NTB
0.16%
SHS NEW
GDOT
0.16%
CL A
WNS
0.16%
SPON ADR
ODFL
0.16%
COM
HF
0.15%
CL A
XLNX
0.15%
COM
WEX
0.14%
COM
CMD
0.13%
COM
WMGI
0.12%
ORD SHS 0.03 PAR
CME
0.12%
COM
FATE
0.12%
COM
IPHI
0.11%
COM
CDEV
0.11%
CL A
HLNE
0.11%
CL A
MKSI
0.11%
COM
EVH
0.1%
CL A
SMAR
0.1%
CL A
CORV
0.1%
COM
ALRM
0.1%
COM
CTLT
0.09%
COM
NBIX
0.09%
COM
APLS
0.09%
COM
ABT
0.09%
COM
EYE
0.08%
COM
UCTT
0.08%
COM
WMT
0.08%
COM
CVLT
0.08%
COM
CBAY
0.07%
COM
MATX
0.07%
COM
MRK
0.07%
COM
VZ
0.07%
COM
AEIS
0.06%
COM
MDT
0.06%
SHS
TXN
0.06%
COM
MNTA
0.06%
COM
JPM
0.06%
COM
OXY
0.06%
COM
JKHY
0.05%
COM
RCL
0.05%
COM
DWDP
0.05%
COM
IWZ
0.05%
RUS 3000 GRW ETF
NEE
0.05%
COM
FITB
0.04%
COM
CMI
0.04%
COM
ADM
0.04%
COM
TGT
0.04%
COM
RHI
0.04%
COM
CC
0.04%
COM
MCHP
0.03%
COM
DHR
0.03%
COM
AOS
0.03%
COM
IDTI
0.03%
COM
LYV
0.02%
COM
IWF
0.02%
RUS 1000 GRW ETF
CE
0.02%
COM SER A
MRTN
0.01%
COM
WCN
0.01%
COM
IWO
0.01%
RUS 2000 GRW ETF
CSX
0.01%
COM
NKTR
0.01%
COM
GLD
0.01%
GOLD SHS
IWP
0.01%
RUS MD CP GR ETF
IIPR
0.01%
CL A
ADS
< 0.01%
COM
SPY
< 0.01%
TR UNIT
LGF/A
< 0.01%
CL A VTG
TRVG
< 0.01%
SHS
BYD
< 0.01%
COM
EXAS
< 0.01%
COM
WST
< 0.01%
COM
APTV
< 0.01%
SHS
PVH
< 0.01%
COM
IWM
< 0.01%
RUSSELL 2000 ETF
VTR
< 0.01%
COM
ANDV
1.63%
COM
WFC
0.69%
COM
BMY
0.64%
COM
BABA
0.62%
SPONSORED ADS
CCL
0.61%
PAIRED CTF
LGF/B
0.39%
CL B NON VTG
UAL
0.31%
COM
DLPH
0.31%
SHS
ALXN
0.28%
COM
PF
0.28%
COM
STZ
0.25%
CL A
PTC
0.24%
COM
BGCP
0.24%
CL A
VMC
0.23%
COM
TSE
0.22%
SHS
EXPE
0.22%
COM NEW
MCRN
0.21%
COM
PPBI
0.2%
COM
PRTY
0.2%
COM
PENN
0.19%
COM
ETFC
0.18%
COM NEW
COMM
0.17%
COM
NCR
0.17%
COM
MTZ
0.17%
COM
OMCL
0.17%
COM
WSO
0.14%
COM
ANET
0.14%
COM
CLVS
0.13%
COM
FUL
0.13%
COM
FGEN
0.09%
COM
FND
0.08%
CL A
CPT
0.07%
SH BEN INT
MGPI
0.07%
COM
NNBR
0.07%
COM
ANDX
0.04%
UNIT LP INT
SU
0.03%
COM
ATVI
< 0.01%
COM
KRE
< 0.01%
S&P REGL BKG
MCRI
< 0.01%
COM
PAGS
< 0.01%
CL A
AXTA
< 0.01%
COM
URI
< 0.01%
COM
RCKT
< 0.01%
COM
CZR
< 0.01%
COM
IGT
< 0.01%
SHS USD
IFRX
< 0.01%
COM
SLB
< 0.01%
COM
DOVA
< 0.01%
COM
SALM
< 0.01%
CL A