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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
23
12
50
4
15
5
37
33
72
CASTLEARK MANAGEMENT LLC

Time Period2017-12-31

Total Holdings402

Total Value ($x1000)3,330,814
Activities
New78

Increased70

Unchanged131

Decreased123

Sold Out61

Top 10 Stock Holdingstotal 15.6%
MSFT1.87

AMZN1.7

SCHW1.69

EEM1.63

C1.59

 
ABMD1.58

CME1.46

FB1.4

AAPL1.36

PH1.32

-- hover over a symbol below for details --
SEC 13F
Filing
Detail
Sort:
MSFT
1.87%
COM
AMZN
1.7%
COM
SCHW
1.69%
COM
EEM
1.63%
MSCI EMG MKT ETF
C
1.59%
COM NEW
ABMD
1.58%
COM
CME
1.46%
COM
FB
1.4%
CL A
AAPL
1.36%
COM
PH
1.32%
COM
XPO
1.32%
COM
MS
1.26%
COM NEW
V
1.24%
COM CL A
URI
1.17%
COM
JBHT
1.14%
COM
CLR
1.12%
COM
NFLX
1.08%
COM
UNH
1.06%
COM
EOG
1.04%
COM
AMAT
1.01%
COM
MNST
0.98%
COM
FDX
0.98%
COM
CAT
0.97%
COM
PXD
0.89%
COM
RHT
0.88%
COM
MCHP
0.88%
COM
WBC
0.88%
COM
PYPL
0.86%
COM
DE
0.86%
COM
INTC
0.78%
COM
ILMN
0.76%
COM
GOOG
0.76%
CAP STK CL C
HD
0.72%
COM
SPLK
0.71%
COM
GDOT
0.63%
CL A
VEEV
0.63%
CL A COM
BABA
0.62%
SPONSORED ADS
ALGN
0.59%
COM
INXN
0.59%
SHS
GTT
0.59%
COM
VG
0.59%
COM
RNG
0.58%
CL A
RSPP
0.57%
COM
RP
0.57%
COM
PRAH
0.57%
COM
ITT
0.55%
COM
CHGG
0.54%
COM
SNV
0.54%
COM NEW
SGMS
0.54%
CL A
SUM
0.54%
CL A
WAL
0.52%
COM
AVGO
0.52%
SHS
XLF
0.51%
SBI INT-FINL
BCO
0.51%
COM
TPR
0.51%
COM
MTDR
0.5%
COM
EXP
0.5%
COM
HDP
0.49%
COM
PODD
0.49%
COM
PWR
0.48%
COM
IDTI
0.48%
COM
SRPT
0.47%
COM
PLNT
0.47%
CL A
EBIX
0.46%
COM NEW
VMI
0.46%
COM
LOPE
0.46%
COM
MIDD
0.46%
COM
LPLA
0.45%
COM
ATSG
0.45%
COM
JBT
0.45%
COM
MTOR
0.44%
COM
BWXT
0.44%
COM
CTLT
0.44%
COM
APTV
0.44%
SHS
FANG
0.43%
COM
CY
0.43%
COM
BAC
0.43%
COM
LGF/A
0.43%
CL A VTG
UNVR
0.43%
COM
ATVI
0.42%
COM
GES
0.41%
COM
TRTN
0.41%
CL A
LGND
0.41%
COM NEW
PTEN
0.41%
COM
EPD
0.4%
COM
SAIA
0.4%
COM
JPM
0.39%
COM
BECN
0.39%
COM
MRVL
0.39%
ORD
BLDR
0.39%
COM
XHB
0.38%
S&P HOMEBUILD
BLD
0.38%
COM
AEO
0.38%
COM
NEWR
0.37%
COM
TSLA
0.36%
COM
TER
0.36%
COM
THO
0.36%
COM
PSTG
0.35%
CL A
NAV
0.35%
COM
VC
0.35%
COM NEW
GNRC
0.33%
COM
INDY
0.33%
INDIA 50 ETF
NTNX
0.33%
CL A
GTLS
0.33%
COM PAR $0.01
ICUI
0.33%
COM
NPO
0.33%
COM
ROLL
0.33%
COM
ZEN
0.32%
COM
RUSHA
0.32%
CL A
HAE
0.32%
COM
VRNS
0.31%
COM
WIFI
0.31%
COM
AXGN
0.31%
COM
PNC
0.31%
COM
OLED
0.3%
COM
BOX
0.3%
CL A
MRCY
0.3%
COM
ENV
0.3%
COM
TRMB
0.29%
COM
AIMC
0.29%
COM
WERN
0.28%
COM
ACIW
0.28%
COM
CMCO
0.27%
COM
EFA
0.27%
MSCI EAFE ETF
OMCL
0.27%
COM
FMBI
0.27%
COM
HRI
0.26%
COM
WPZ
0.26%
COM UNIT LTD PAR
MPLX
0.26%
COM UNIT REP LTD
MMP
0.26%
COM UNIT RP LP
NVCR
0.26%
ORD SHS
LIVN
0.25%
SHS
LNG
0.25%
COM NEW
ADBE
0.24%
COM
GILD
0.24%
COM
IAC
0.24%
COM PAR $.001
KRA
0.23%
COM
ISRG
0.23%
COM NEW
CDEV
0.23%
CL A
QQQ
0.23%
UNIT SER 1
PFPT
0.22%
COM
ODFL
0.22%
COM
FIVN
0.22%
COM
GSM
0.22%
SHS
ETP
0.22%
UNIT LTD PRT INT
AIR
0.22%
COM
CBOE
0.22%
COM
ATGE
0.22%
COM
EVRI
0.21%
COM
HALO
0.21%
COM
EXTR
0.21%
COM
PBYI
0.2%
COM
FARO
0.2%
COM
USAT
0.2%
COM NO PAR
MOD
0.2%
COM
RDWR
0.2%
ORD
VRTU
0.2%
COM
ETFC
0.19%
COM NEW
KNX
0.19%
CL A
TRHC
0.19%
COM
TFX
0.19%
COM
CONN
0.19%
COM
ANET
0.18%
COM
FISV
0.18%
COM
BRO
0.18%
COM
ANDX
0.18%
UNIT LP INT
GLUU
0.18%
COM
LPSN
0.18%
COM
OC
0.18%
COM
ECPG
0.17%
COM
ZION
0.17%
COM
HEWG
0.17%
HDG MSCI GERMN
TECH
0.17%
COM
PVH
0.17%
COM
TXRH
0.17%
COM
BIIB
0.17%
COM
SRCI
0.16%
COM
SSNC
0.16%
COM
STE
0.16%
SHS USD
XENT
0.16%
COM
VOYA
0.16%
COM
SGH
0.16%
SHS
CXO
0.16%
COM
AOS
0.16%
COM
FLIR
0.16%
COM
FGEN
0.16%
COM
CE
0.15%
COM SER A
WEN
0.15%
COM
ECA
0.15%
COM
RDS/A
0.15%
SPONS ADR A
ICLR
0.15%
SHS
IGT
0.15%
SHS USD
PTLA
0.14%
COM
DSKE
0.14%
COM
TOT
0.14%
SPONSORED ADR
DLB
0.14%
COM
SAGE
0.14%
COM
CVX
0.14%
COM
FMC
0.14%
COM NEW
BIO
0.14%
CL A
SQ
0.14%
CL A
GDI
0.14%
COM
TEAM
0.14%
CL A
HMC
0.13%
AMERN SHS
LNTH
0.13%
COM
XEC
0.13%
COM
TTWO
0.13%
COM
COG
0.13%
COM
OLN
0.13%
COM PAR $1
VLO
0.13%
COM
VRTX
0.12%
COM
EGN
0.12%
COM
HAL
0.12%
COM
TLT
0.11%
20+ YR TR BD ETF
PSXP
0.11%
COM UNIT REP INT
EQM
0.11%
UNIT LTD PARTN
GLD
0.11%
GOLD SHS
STO
0.11%
SPONSORED ADR
FRAC
0.11%
COM
MPC
0.1%
COM
SU
0.1%
COM
ANDV
0.1%
COM
GRA
0.1%
COM
STCK
0.1%
COM
ZNGA
0.1%
CL A
XRX
0.1%
COM NEW
LECO
0.1%
COM
VNOM
0.09%
COM UNT RP INT
BP
0.09%
SPONSORED ADR
DNKN
0.09%
COM
NDSN
0.09%
COM
ZAYO
0.09%
COM
CUTR
0.09%
COM
HFC
0.09%
COM
GOLD
0.09%
ADR
PAA
0.09%
UNIT LTD PARTN
SBUX
0.08%
COM
SLCA
0.08%
COM
AERI
0.08%
COM
WPX
0.08%
COM
LUV
0.08%
COM
IWF
0.08%
RUS 1000 GRW ETF
E
0.08%
SPONSORED ADR
CTAS
0.08%
COM
TEP
0.08%
COM UNIT
DPM
0.07%
COM UT LTD PTN
NBLX
0.07%
COM UNIT REPST
CQP
0.07%
COM UNIT
VAR
0.07%
COM
SNP
0.07%
SPON ADR H SHS
NBIX
0.07%
COM
MOG/A
0.07%
CL A
PSX
0.07%
COM
GLOP
0.07%
UNIT LTD PTNRP
WES
0.07%
COM UNIT LP IN
ENLK
0.07%
COM UNIT REP LTD
GNTX
0.07%
COM
CPE
0.06%
COM
ANSS
0.06%
COM
ETE
0.06%
COM UT LTD PTN
FAST
0.06%
COM
TUSK
0.06%
COM
RMP
0.06%
UNIT LTD PARTN
PBR
0.06%
SPONSORED ADR
SRCL
0.05%
COM
PTR
0.05%
SPONSORED ADR
MRO
0.05%
COM
AEM
0.05%
COM
AM
0.05%
UNT LTD PARTN
WAT
0.04%
COM
DST
0.04%
COM
ABX
0.04%
COM
FMI
0.04%
COM
BPL
0.04%
UNIT LTD PARTN
SONC
0.04%
COM
SMIN
0.04%
MSCI INDIA SM CP
RES
0.04%
COM
GDS
0.04%
SPONSORED ADR
DM
0.04%
COM UT REP LTD
TRGP
0.04%
COM
FMSA
0.03%
COM
OKE
0.03%
COM
CEQP
0.03%
UNIT LTD PARTNER
GG
0.03%
COM
RPM
0.03%
COM
HTHT
0.03%
SPONSORED ADR
PRAA
0.03%
COM
DKS
0.03%
COM
BA
0.03%
COM
RRC
0.03%
COM
TCP
0.03%
UT COM LTD PRT
PAYX
0.03%
COM
CVI
0.03%
COM
SWN
0.03%
COM
SPN
0.03%
COM
SHLX
0.03%
UNIT LTD INT
XRAY
0.03%
COM
FFIV
0.03%
COM
NICE
0.03%
SPONSORED ADR
EEMS
0.02%
EM MKT SM-CP ETF
MYGN
0.02%
COM
EWT
0.02%
MSCI TAIWAN ETF
MON
0.02%
COM
EMES
0.02%
COM REP PARTN
SEE
0.02%
COM
UA/C
0.02%
CL C
UAA
0.02%
CL A
GLPG
0.02%
SPON ADR
NVMI
0.02%
COM
PE
0.02%
CL A
NOW
0.02%
COM
CEO
0.02%
SPONSORED ADR
ROK
0.02%
COM
PDCE
0.02%
COM
MHK
0.02%
COM
MAS
0.02%
COM
IQV
0.02%
COM
EQT
0.02%
COM
MAR
0.02%
CL A
BWA
0.02%
COM
DHI
0.02%
COM
TJX
0.02%
COM
COST
0.02%
COM
A
0.02%
COM
SIVB
0.02%
COM
GPN
0.02%
COM
BURL
0.02%
COM
BERY
0.01%
COM
XLNX
0.01%
COM
QCOM
0.01%
COM
COL
0.01%
COM
BR
0.01%
COM
MSCI
0.01%
COM
HOG
0.01%
COM
IFF
0.01%
COM
COO
0.01%
COM NEW
NVR
0.01%
COM
CRZO
0.01%
COM
PG
0.01%
COM
NXPI
0.01%
COM
RDC
0.01%
SHS CL A
VREX
0.01%
COM
TRP
0.01%
COM
IWP
0.01%
RUS MD CP GR ETF
KO
0.01%
COM
DLR
0.01%
COM
EW
0.01%
COM
PCAR
0.01%
COM
AXP
0.01%
COM
RYAAY
0.01%
SPONSORED ADR NE
DRI
0.01%
COM
HQY
0.01%
COM
TDG
0.01%
COM
KLAC
0.01%
COM
PFE
0.01%
COM
WTFC
0.01%
COM
NFX
0.01%
COM
AJG
0.01%
COM
TSM
0.01%
SPONSORED ADR
TCBI
0.01%
COM
UNT
0.01%
COM
GWR
0.01%
CL A
WNS
0.01%
SPON ADR
PAC
0.01%
SPON ADR B
DIS
0.01%
COM DISNEY
EDU
0.01%
SPON ADR
HCM
0.01%
SPONSORED ADR
WB
0.01%
SPONSORED ADR
ARCO
< 0.01%
SHS CLASS -A -
SBS
< 0.01%
SPONSORED ADR
BEDU
< 0.01%
SPONSORED ADS
NBR
< 0.01%
SHS
HDB
< 0.01%
ADR REPS 3 SHS
BITA
< 0.01%
SPONSORED ADS
AZUL
< 0.01%
SPONSR ADR PFD
MMYT
< 0.01%
SHS
BMA
< 0.01%
SPON ADR B
VCO
< 0.01%
SPONSORED ADR
SIMO
< 0.01%
SPONSORED ADR
CPA
< 0.01%
CL A
BZUN
< 0.01%
SPONSORED ADR
MOMO
< 0.01%
ADR
TEO
< 0.01%
SPON ADR REP B
BAP
< 0.01%
COM
BCH
< 0.01%
SPONSORED ADR
RACE
< 0.01%
COM
ITW
< 0.01%
COM
NKE
< 0.01%
CL B
ALV
< 0.01%
COM
RIG
< 0.01%
REG SHS
YNDX
< 0.01%
SHS CLASS A
CMI
< 0.01%
COM
GOOGL
< 0.01%
CAP STK CL A
SYK
< 0.01%
COM
MDT
< 0.01%
SHS
AGN
< 0.01%
SHS
SLB
< 0.01%
COM
WBA
< 0.01%
COM
PRGO
< 0.01%
SHS
TIVO
< 0.01%
COM
MUR
< 0.01%
COM
MUSA
< 0.01%
COM
CELG
1.14%
COM
EA
1.11%
COM
TVTY
0.61%
COM
HAWK
0.54%
CL A
COH
0.52%
COM
EEFT
0.48%
COM
BEAT
0.45%
COM
ACHC
0.43%
COM
FEYE
0.42%
COM
CONE
0.41%
COM
CVLT
0.4%
COM
SUPN
0.4%
COM
BYD
0.39%
COM
ITRI
0.38%
COM
DLPH
0.36%
SHS
SITE
0.36%
COM
PANW
0.36%
COM
ULTA
0.35%
COM
ROG
0.32%
COM
KTOS
0.31%
COM NEW
BRKS
0.29%
COM
GIII
0.29%
COM
ALRM
0.29%
COM
MIME
0.28%
ORD SHS
TCMD
0.28%
COM
LITE
0.26%
COM
GRUB
0.23%
COM
RRGB
0.22%
COM
LOGM
0.21%
COM
BIVV
0.2%
COM
MTN
0.18%
COM
NKTR
0.17%
COM
CLVS
0.16%
COM
RGEN
0.15%
COM
MKTX
0.15%
COM
FDC
0.14%
CL A
PTC
0.14%
COM
PRO
0.14%
COM
IPGP
0.13%
COM
QDEL
0.12%
COM
CORT
0.11%
COM
WST
0.11%
COM
CFX
0.1%
COM
SND
0.09%
COM
CHK
0.07%
COM
SSTI
0.07%
COM
CC
0.06%
COM
RICE
0.02%
COM
DBVT
0.02%
SPONSORED ADR
TAL
0.02%
ADS REPSTG COM
CRL
0.02%
COM
SQM
0.02%
SPON ADR SER B
FBHS
0.02%
COM
EXPE
0.02%
COM NEW
Q
0.02%
COM
NCLH
0.02%
SHS
BWP
0.02%
UT LTD PARTNER
KEY
0.02%
COM
SYMC
0.01%
COM
TEVA
< 0.01%
ADR
CNX
< 0.01%
COM