CASTLEARK MANAGEMENT LLC Q2 2018 Filing

Filed August 15, 2018

Portfolio Value

$3.2T

Holdings

369

Report Date

Q2 2018

Filing Type

13F-HR

All Holdings (369 positions)

#StockSharesValue% PortfolioType
101
BLMNBLOOMIN BRANDS INC
530,630$10.7B0.33%
102
NTNXNUTANIX INC
206,040$10.6B0.33%
103
TRVCCITIGROUP INC
158,010$10.6B0.33%
104
STRAYER ED INC
93,145$10.5B0.32%
105
ITTITT INC
199,680$10.4B0.32%
106
FANGDIAMONDBACK ENERGY INC
78,397$10.3B0.32%
107
ISRGINTUITIVE SURGICAL INC
21,180$10.1B0.31%
108
LNGCHENIERE ENERGY INC
154,040$10.0B0.31%
109
TNDMTANDEM DIABETES CARE INC
455,170$10.0B0.31%
110
WPX ENERGY INC
547,100$9.9B0.30%
111
RPDRAPID7 INC
340,987$9.6B0.30%
112
ATDALLEGHENY TECHNOLOGIES INC
380,875$9.6B0.29%
113
TWLOTWILIO INC
170,705$9.6B0.29%
114
PNCPNC FINL SVCS GROUP INC
70,600$9.5B0.29%
115
ZEN1EURZENDESK INC
172,100$9.4B0.29%
116
CUBIC CORP
144,005$9.2B0.28%
117
SRPTSAREPTA THERAPEUTICS INC
69,470$9.2B0.28%
118
CNMDCONMED CORP
122,925$9.0B0.28%
119
1GSNNOVANTA INC
143,359$8.9B0.27%
120
ENERGY TRANSFER PARTNERS LP
468,534$8.9B0.27%
121
THCTENET HEALTHCARE CORP
265,050$8.9B0.27%
122
APCANADARKO PETE CORP
121,210$8.9B0.27%
123
BPBP PLC
189,110$8.6B0.27%
124
UPLDUPLAND SOFTWARE INC
247,514$8.5B0.26%
125
MMSIMERIT MED SYS INC
164,405$8.4B0.26%
126
NEWREURNEW RELIC INC
83,265$8.4B0.26%
127
MPLXMPLX LP
243,998$8.3B0.26%
128
PAAPLAINS ALL AMERN PIPELINE L
350,790$8.3B0.26%
129
AGIOAGIOS PHARMACEUTICALS INC
96,330$8.1B0.25%
130
BURLBURLINGTON STORES INC
53,620$8.1B0.25%
131
WCGEURWELLCARE HEALTH PLANS INC
32,680$8.0B0.25%
132
AANUSDAARONS INC
184,115$8.0B0.25%
133
CDWCDW CORP
97,705$7.9B0.24%
134
HRTXHERON THERAPEUTICS INC
201,080$7.8B0.24%
135
RDWRRADWARE LTD
306,467$7.7B0.24%
136
MELLANOX TECHNOLOGIES LTD
91,195$7.7B0.24%
137
JAZZJAZZ PHARMACEUTICALS PLC
43,795$7.5B0.23%
138
GILDGILEAD SCIENCES INC
106,508$7.5B0.23%
139
VFCV F CORP
91,926$7.5B0.23%
140
SPLKCHFSPLUNK INC
75,429$7.5B0.23%
141
LPSNUSDLIVEPERSON INC
352,494$7.4B0.23%
142
ASBASSOCIATED BANC CORP
270,810$7.4B0.23%
143
GLUUGLU MOBILE INC
1,144,492$7.3B0.23%
144
WEPMAGELLAN MIDSTREAM PRTNRS LP
104,912$7.2B0.22%
145
GDDYGODADDY INC
102,060$7.2B0.22%
146
WILLIAMS PARTNERS L P NEW
177,410$7.2B0.22%
147
HALOHALOZYME THERAPEUTICS INC
423,305$7.1B0.22%
148
ADSWADVANCED DISP SVCS INC DEL
287,670$7.1B0.22%
149
BLUCORA INC
191,345$7.1B0.22%
150
CUROEURCURO GROUP HLDGS CORP
282,964$7.1B0.22%
151
OXYOCCIDENTAL PETE CORP DEL
84,080$7.0B0.22%
152
VCELVERICEL CORP
720,585$7.0B0.22%
153
COLLCOLLEGIUM PHARMACEUTICAL INC
292,878$7.0B0.22%
154
ETRAE TRADE FINANCIAL CORP
113,005$6.9B0.21%
155
KRATON CORPORATION
149,390$6.9B0.21%
156
FISVFISERV INC
92,740$6.9B0.21%
157
COPCONOCOPHILLIPS
98,460$6.9B0.21%
158
BACBANK AMER CORP
242,900$6.8B0.21%
159
MRO*MARATHON OIL CORP
327,440$6.8B0.21%
160
FLIRFLIR SYS INC
130,675$6.8B0.21%
161
BROBROWN & BROWN INC
238,050$6.6B0.20%
162
RIGTRANSOCEAN LTD
487,320$6.5B0.20%
163
TFXTELEFLEX INC
23,800$6.4B0.20%
164
GENOMIC HEALTH INC
126,385$6.4B0.20%
165
JPMJPMORGAN CHASE & CO
61,000$6.4B0.20%
166
ICLRICON PLC
47,820$6.3B0.20%
167
CDXSCODEXIS INC
433,278$6.2B0.19%
168
MEDMEDIFAST INC
38,751$6.2B0.19%
169
NVRIHARSCO CORP
279,615$6.2B0.19%
170
CVXCHEVRON CORP NEW
48,695$6.2B0.19%
171
QIAGEN NV
170,005$6.1B0.19%
172
BLDTOPBUILD CORP
78,210$6.1B0.19%
173
SERVUSDSERVICEMASTER GLOBAL HLDGS I
102,145$6.1B0.19%
174
AKAMAKAMAI TECHNOLOGIES INC
80,895$5.9B0.18%
175
IACIEURIAC INTERACTIVECORP
38,840$5.9B0.18%
176
SSNCSS&C TECHNOLOGIES HLDGS INC
113,236$5.9B0.18%
177
LOXO ONCOLOGY INC
33,595$5.8B0.18%
178
DENNDENNYS CORP
364,210$5.8B0.18%
179
FUODOLBY LABORATORIES INC
93,245$5.8B0.18%
180
HESHESS CORP
84,200$5.6B0.17%
181
CRAY INC
227,290$5.6B0.17%
182
ARRYEURARRAY BIOPHARMA INC
331,435$5.6B0.17%
183
AGSPLAYAGS INC
204,550$5.5B0.17%
184
AOSSMITH A O
92,225$5.5B0.17%
185
SPSCSPS COMM INC
73,619$5.4B0.17%
186
SUSUNCOR ENERGY INC NEW
131,490$5.3B0.16%
187
BUWABIO RAD LABS INC
18,490$5.3B0.16%
188
VOYAVOYA FINL INC
112,605$5.3B0.16%
189
EZPWEZCORP INC
432,890$5.2B0.16%
190
AIRAAR CORP
112,115$5.2B0.16%
191
PHILLIPS 66 PARTNERS LP
101,669$5.2B0.16%
192
PANDORA MEDIA INC
647,620$5.1B0.16%
193
PFPTPROOFPOINT INC
44,215$5.1B0.16%
194
RDS/AROYAL DUTCH SHELL PLC
73,200$5.1B0.16%
195
GTT COMMUNICATIONS INC
107,291$4.8B0.15%
196
BIIBBIOGEN INC
16,446$4.8B0.15%
197
ANDEAVOR LOGISTICS LP
107,598$4.6B0.14%
198
VRTXVERTEX PHARMACEUTICALS INC
26,830$4.6B0.14%
199
SAIASAIA INC
56,381$4.6B0.14%
200
DNKNDUNKIN BRANDS GROUP INC
64,495$4.5B0.14%
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