CASTLEARK MANAGEMENT LLC Q2 2017 Filing

Filed August 15, 2017

Portfolio Value

$3.1T

Holdings

389

Report Date

Q2 2017

Filing Type

13F-HR

All Holdings (389 positions)

#StockSharesValue% PortfolioType
101
KMTKENNAMETAL INC
272,573$10.2B0.33%
102
DRIDARDEN RESTAURANTS INC
111,724$10.1B0.33%
103
BIOVERATIV INC
167,190$10.1B0.33%
104
SITESITEONE LANDSCAPE SUPPLY INC
192,360$10.0B0.33%
105
BLMNBLOOMIN BRANDS INC
456,840$9.7B0.32%
106
SUPNSUPERNUS PHARMACEUTICALS INC
223,350$9.6B0.31%
107
5TCTRUECAR INC
481,548$9.6B0.31%
108
LGNDLIGAND PHARMACEUTICALS INC
78,680$9.6B0.31%
109
BIDSOTHEBYS
177,881$9.5B0.31%
110
ZBRAZEBRA TECHNOLOGIES CORP
93,997$9.4B0.31%
111
VCVISTEON CORP
92,060$9.4B0.31%
112
BLDRBUILDERS FIRSTSOURCE INC
611,367$9.4B0.31%
113
FIVNFIVE9 INC
431,966$9.3B0.30%
114
RG6ROGERS CORP
84,350$9.2B0.30%
115
BLDTOPBUILD CORP
172,215$9.1B0.30%
116
RBCRBC BEARINGS INC
89,050$9.1B0.30%
117
K2M GROUP HLDGS INC
371,252$9.0B0.30%
118
OLEDUNIVERSAL DISPLAY CORP
82,750$9.0B0.30%
119
BOINGO WIRELESS INC
601,290$9.0B0.29%
120
TSAACI WORLDWIDE INC
400,590$9.0B0.29%
121
COHREURCOHERENT INC
39,192$8.8B0.29%
122
PNCPNC FINL SVCS GROUP INC
70,600$8.8B0.29%
123
LNWOSCIENTIFIC GAMES CORP
336,095$8.8B0.29%
124
ELECTRONICS FOR IMAGING INC
184,110$8.7B0.29%
125
MIMECAST LTD
325,403$8.7B0.28%
126
PROPROS HOLDINGS INC
314,937$8.6B0.28%
127
RUSHARUSH ENTERPRISES INC
231,263$8.6B0.28%
128
MPLXMPLX LP
257,078$8.6B0.28%
129
WILLIAMS PARTNERS L P NEW
208,530$8.4B0.27%
130
EFAISHARES TR
127,500$8.3B0.27%
131
ATSG*AIR TRANSPORT SERVICES GRP I
378,404$8.2B0.27%
132
DOCUSDPHYSICIANS RLTY TR
407,145$8.2B0.27%
133
MTORMERITOR INC
488,986$8.1B0.27%
134
WEPMAGELLAN MIDSTREAM PRTNRS LP
112,692$8.0B0.26%
135
ZEN1EURZENDESK INC
286,615$8.0B0.26%
136
TTWOTAKE-TWO INTERACTIVE SOFTWAR
108,030$7.9B0.26%
137
KTOSKRATOS DEFENSE & SEC SOLUTIO
663,850$7.9B0.26%
138
VRNSVARONIS SYS INC
211,320$7.9B0.26%
139
LNGCHENIERE ENERGY INC
159,030$7.7B0.25%
140
LHCGUSDLHC GROUP INC
112,850$7.7B0.25%
141
RGENREPLIGEN CORP
183,203$7.6B0.25%
142
FLT1EURFLEETCOR TECHNOLOGIES INC
52,356$7.5B0.25%
143
CBOECBOE HLDGS INC
82,095$7.5B0.25%
144
WBSWEBSTER FINL CORP CONN
141,990$7.4B0.24%
145
CHGGCHEGG INC
602,674$7.4B0.24%
146
RRNRED ROBIN GOURMET BURGERS IN
113,041$7.4B0.24%
147
WRIGHT MED GROUP N V
263,830$7.3B0.24%
148
G2CEVERI HLDGS INC
985,212$7.2B0.23%
149
TRMBTRIMBLE INC
195,420$7.0B0.23%
150
AZTABROOKS AUTOMATION INC
317,333$6.9B0.22%
151
LOGILOGITECH INTL S A
186,737$6.8B0.22%
152
OLLIOLLIES BARGAIN OUTLT HLDGS I
159,065$6.8B0.22%
153
ENERGY TRANSFER PARTNERS LP
328,734$6.7B0.22%
154
ISRGINTUITIVE SURGICAL INC
7,100$6.6B0.22%
155
NUTRI SYS INC NEW
127,124$6.6B0.22%
156
VAREURVARIAN MED SYS INC
62,670$6.5B0.21%
157
NPOENPRO INDS INC
90,452$6.5B0.21%
158
NAVNAVISTAR INTL CORP NEW
235,455$6.2B0.20%
159
KLX INC
121,081$6.1B0.20%
160
COSTCOSTCO WHSL CORP NEW
37,771$6.0B0.20%
161
MKTXMARKETAXESS HLDGS INC
29,990$6.0B0.20%
162
LNTHLANTHEUS HLDGS INC
336,330$5.9B0.19%
163
XYZSQUARE INC
252,495$5.9B0.19%
164
TESORO LOGISTICS LP
112,243$5.8B0.19%
165
CDWCDW CORP
92,070$5.8B0.19%
166
FISVFISERV INC
46,370$5.7B0.19%
167
HEWGUSDISHARES TR
200,000$5.6B0.18%
168
IACIEURIAC INTERACTIVECORP
53,115$5.5B0.18%
169
HOLXHOLOGIC INC
120,250$5.5B0.18%
170
AXGNAXOGEN INC
323,921$5.4B0.18%
171
AIMCUSDALTRA INDL MOTION CORP
135,250$5.4B0.18%
172
FDCFIRST DATA CORP NEW
295,580$5.4B0.18%
173
TRUTRANSUNION
123,730$5.4B0.18%
174
CLVSEURCLOVIS ONCOLOGY INC
56,760$5.3B0.17%
175
FMCF M C CORP
72,410$5.3B0.17%
176
TRINSEO S A
76,684$5.3B0.17%
177
DERMIRA INC
177,444$5.2B0.17%
178
AJGGALLAGHER ARTHUR J & CO
89,850$5.1B0.17%
179
FANGDIAMONDBACK ENERGY INC
56,062$5.0B0.16%
180
ALSNALLISON TRANSMISSION HLDGS I
132,125$5.0B0.16%
181
AOSSMITH A O
86,665$4.9B0.16%
182
LECOLINCOLN ELEC HLDGS INC
52,770$4.9B0.16%
183
PINNACLE FOODS INC DEL
81,590$4.8B0.16%
184
LPSNUSDLIVEPERSON INC
434,080$4.8B0.16%
185
OCOWENS CORNING NEW
71,235$4.8B0.16%
186
IPGPIPG PHOTONICS CORP
32,795$4.8B0.16%
187
TFXTELEFLEX INC
22,780$4.7B0.15%
188
SSNCSS&C TECHNOLOGIES HLDGS INC
122,661$4.7B0.15%
189
PKNPERKINELMER INC
68,915$4.7B0.15%
190
TTENTOTAL S A
94,000$4.7B0.15%
191
MTNVAIL RESORTS INC
22,930$4.7B0.15%
192
ONEOK PARTNERS LP
91,020$4.6B0.15%
193
STERIS PLC
56,125$4.6B0.15%
194
BCBRUNSWICK CORP
71,655$4.5B0.15%
195
TNAVEURTELENAV INC
553,705$4.5B0.15%
196
NKTREURNEKTAR THERAPEUTICS
220,819$4.3B0.14%
197
RDS/AROYAL DUTCH SHELL PLC
81,100$4.3B0.14%
198
HALHALLIBURTON CO
98,350$4.2B0.14%
199
CECELANESE CORP DEL
43,395$4.1B0.13%
200
EWBCEAST WEST BANCORP INC
70,320$4.1B0.13%
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