CASTLEARK MANAGEMENT LLC Q1 2018 Filing

Filed May 15, 2018

Portfolio Value

$3.2T

Holdings

403

Report Date

Q1 2018

Filing Type

13F-HR

All Holdings (403 positions)

#StockSharesValue% PortfolioType
101
DINDINE BRANDS GLOBAL INC
148,650$9.7B0.31%
102
NUANEURNUANCE COMMUNICATIONS INC
603,380$9.5B0.30%
103
VEEVVEEVA SYS INC
129,703$9.5B0.30%
104
CNDTCONDUENT INC
507,745$9.5B0.30%
105
ADBEADOBE SYS INC
43,702$9.4B0.30%
106
KRATON CORPORATION
197,573$9.4B0.30%
107
ETSYETSY INC
334,465$9.4B0.30%
108
VCVISTEON CORP
83,180$9.2B0.29%
109
ENVISION HEALTHCARE CORP
233,395$9.0B0.28%
110
EFAISHARES TR
127,500$8.9B0.28%
111
BLDTOPBUILD CORP
115,762$8.9B0.28%
112
RPDRAPID7 INC
345,277$8.8B0.28%
113
ATSG*AIR TRANSPORT SERVICES GRP I
378,307$8.8B0.28%
114
ISRGINTUITIVE SURGICAL INC
21,180$8.7B0.28%
115
RBCRBC BEARINGS INC
69,979$8.7B0.28%
116
IACIEURIAC INTERACTIVECORP
55,335$8.7B0.27%
117
HALOHALOZYME THERAPEUTICS INC
432,884$8.5B0.27%
118
MDMEDNAX INC
152,285$8.5B0.27%
119
PRAHPRA HEALTH SCIENCES INC
101,548$8.4B0.27%
120
PAAPLAINS ALL AMERN PIPELINE L
376,330$8.3B0.26%
121
ATDALLEGHENY TECHNOLOGIES INC
348,290$8.2B0.26%
122
LNGCHENIERE ENERGY INC
154,040$8.2B0.26%
123
NVCRNOVOCURE LTD
377,010$8.2B0.26%
124
BECNUSDBEACON ROOFING SUPPLY INC
153,152$8.1B0.26%
125
GILDGILEAD SCIENCES INC
107,748$8.1B0.26%
126
BOINGO WIRELESS INC
324,328$8.0B0.25%
127
TRHCEURTABULA RASA HEALTHCARE INC
205,296$8.0B0.25%
128
VIRTUSA CORP
163,619$7.9B0.25%
129
GRUBHUB INC
77,670$7.9B0.25%
130
MANTECH INTL CORP
139,672$7.7B0.25%
131
LPSNUSDLIVEPERSON INC
469,021$7.7B0.24%
132
SRPTSAREPTA THERAPEUTICS INC
103,178$7.6B0.24%
133
FMBIUSDFIRST MIDWEST BANCORP DEL
300,950$7.4B0.23%
134
ZIONZIONS BANCORPORATION
135,410$7.1B0.23%
135
FAROFARO TECHNOLOGIES INC
122,169$7.1B0.23%
136
FLIRFLIR SYS INC
141,435$7.1B0.22%
137
FDXFEDEX CORP
29,281$7.0B0.22%
138
ENVUSDENVESTNET INC
119,989$6.9B0.22%
139
GDDYGODADDY INC
110,475$6.8B0.21%
140
PVHPVH CORP
44,580$6.8B0.21%
141
TERTERADYNE INC
147,071$6.7B0.21%
142
ETRAE TRADE FINANCIAL CORP
121,150$6.7B0.21%
143
CNMDCONMED CORP
105,845$6.7B0.21%
144
USA TECHNOLOGIES INC
739,164$6.7B0.21%
145
FISVFISERV INC
92,740$6.6B0.21%
146
TFXTELEFLEX INC
25,880$6.6B0.21%
147
AIRAAR CORP
149,433$6.6B0.21%
148
VLOVALERO ENERGY CORP NEW
70,850$6.6B0.21%
149
SSNCSS&C TECHNOLOGIES HLDGS INC
122,486$6.6B0.21%
150
BLDRBUILDERS FIRSTSOURCE INC
330,567$6.6B0.21%
151
ANDEAVOR LOGISTICS LP
146,318$6.6B0.21%
152
RDWRRADWARE LTD
306,903$6.6B0.21%
153
FUODOLBY LABORATORIES INC
100,870$6.4B0.20%
154
NEWREURNEW RELIC INC
86,371$6.4B0.20%
155
NDSNNORDSON CORP
46,730$6.4B0.20%
156
HIIHUNTINGTON INGALLS INDS INC
24,585$6.3B0.20%
157
AOSSMITH A O
99,650$6.3B0.20%
158
IGTINTERNATIONAL GAME TECHNOLOG
233,255$6.2B0.20%
159
MPCMARATHON PETE CORP
85,075$6.2B0.20%
160
VOYAVOYA FINL INC
121,845$6.2B0.19%
161
WEPMAGELLAN MIDSTREAM PRTNRS LP
104,912$6.1B0.19%
162
BROBROWN & BROWN INC
240,160$6.1B0.19%
163
MEDMEDIFAST INC
64,926$6.1B0.19%
164
1GSNNOVANTA INC
113,279$5.9B0.19%
165
HRIHERC HLDGS INC
88,330$5.7B0.18%
166
ATVIEURACTIVISION BLIZZARD INC
84,622$5.7B0.18%
167
ODFLOLD DOMINION FGHT LINES INC
38,735$5.7B0.18%
168
COLLCOLLEGIUM PHARMACEUTICAL INC
222,058$5.7B0.18%
169
VCELVERICEL CORP
566,517$5.6B0.18%
170
HEWGUSDISHARES TR
200,000$5.5B0.17%
171
APCANADARKO PETE CORP
90,300$5.5B0.17%
172
CN4CONNS INC
159,242$5.4B0.17%
173
MELLANOX TECHNOLOGIES LTD
73,900$5.4B0.17%
174
AKAMAKAMAI TECHNOLOGIES INC
75,720$5.4B0.17%
175
ICLRICON PLC
44,975$5.3B0.17%
176
HALHALLIBURTON CO
113,030$5.3B0.17%
177
INTERSECT ENT INC
134,944$5.3B0.17%
178
TRMBTRIMBLE INC
147,285$5.3B0.17%
179
TEAMATLASSIAN CORP PLC
97,981$5.3B0.17%
180
ECPGENCORE CAP GROUP INC
115,428$5.2B0.17%
181
HUBBHUBBELL INC
42,155$5.1B0.16%
182
BUWABIO RAD LABS INC
20,055$5.0B0.16%
183
JAZZJAZZ PHARMACEUTICALS PLC
33,200$5.0B0.16%
184
BPBP PLC
123,130$5.0B0.16%
185
DENNDENNYS CORP
321,557$5.0B0.16%
186
TTENTOTAL S A
85,500$4.9B0.16%
187
PHILLIPS 66 PARTNERS LP
101,669$4.9B0.15%
188
NBL2EURNOBLE ENERGY INC
159,000$4.8B0.15%
189
PBRPETROLEO BRASILEIRO SA PETRO
333,300$4.7B0.15%
190
PENGSMART GLOBAL HLDGS INC
93,992$4.7B0.15%
191
RDS/AROYAL DUTCH SHELL PLC
73,200$4.7B0.15%
192
HMCHONDA MOTOR LTD
131,718$4.6B0.14%
193
LKQ1LKQ CORP
119,705$4.5B0.14%
194
BIIBBIOGEN INC
16,586$4.5B0.14%
195
AXONAXON ENTERPRISE INC
115,490$4.5B0.14%
196
GLUUGLU MOBILE INC
1,200,622$4.5B0.14%
197
CZREURCAESARS ENTMT CORP
401,810$4.5B0.14%
198
OCOWENS CORNING NEW
54,960$4.4B0.14%
199
MODMODINE MFG CO
208,460$4.4B0.14%
200
VRTXVERTEX PHARMACEUTICALS INC
26,830$4.4B0.14%
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