CASTLEARK MANAGEMENT LLC Q3 2017 Filing

Filed November 15, 2017

Portfolio Value

$3.2T

Holdings

385

Report Date

Q3 2017

Filing Type

13F-HR

All Holdings (385 positions)

#StockSharesValue% PortfolioType
101
OLEDUNIVERSAL DISPLAY CORP
84,125$10.8B0.34%
102
WEAWESTERN ALLIANCE BANCORP
202,914$10.8B0.34%
103
NEWREURNEW RELIC INC
215,995$10.8B0.34%
104
BLDRBUILDERS FIRSTSOURCE INC
596,277$10.7B0.34%
105
RUSHARUSH ENTERPRISES INC
225,613$10.4B0.33%
106
HORTONWORKS INC
616,110$10.4B0.33%
107
INTEGRATED DEVICE TECHNOLOGY
390,540$10.4B0.33%
108
INDYISHARES
299,150$10.2B0.32%
109
ENVUSDENVESTNET INC
198,907$10.1B0.32%
110
FIVNFIVE9 INC
421,336$10.1B0.32%
111
RG6ROGERS CORP
75,320$10.0B0.32%
112
KTOSKRATOS DEFENSE & SEC SOLUTIO
762,895$10.0B0.31%
113
GILDGILEAD SCIENCES INC
118,818$9.6B0.30%
114
PNCPNC FINL SVCS GROUP INC
70,600$9.5B0.30%
115
NPOENPRO INDS INC
117,612$9.5B0.30%
116
OMCLOMNICELL INC
185,305$9.5B0.30%
117
TRMBTRIMBLE INC
240,935$9.5B0.30%
118
MRCYMERCURY SYS INC
181,706$9.4B0.30%
119
AZTABROOKS AUTOMATION INC
309,503$9.4B0.29%
120
MTDRMATADOR RES CO
346,095$9.4B0.29%
121
GIIIG-III APPAREL GROUP LTD
322,890$9.4B0.29%
122
ALRMALARM COM HLDGS INC
206,001$9.3B0.29%
123
TSAACI WORLDWIDE INC
407,165$9.3B0.29%
124
AIMCUSDALTRA INDL MOTION CORP
190,315$9.2B0.29%
125
MPLXMPLX LP
260,928$9.1B0.29%
126
VRNSVARONIS SYS INC
217,190$9.1B0.29%
127
MIMECAST LTD
317,413$9.0B0.28%
128
TCMDTACTILE SYS TECHNOLOGY INC
290,664$9.0B0.28%
129
NVCRNOVOCURE LTD
448,458$8.9B0.28%
130
WERNWERNER ENTERPRISES INC
242,695$8.9B0.28%
131
INTERSECT ENT INC
283,765$8.8B0.28%
132
WILLIAMS PARTNERS L P NEW
225,680$8.8B0.28%
133
PTENPATTERSON UTI ENERGY INC
418,630$8.8B0.28%
134
EFAISHARES TR
127,500$8.7B0.27%
135
ATGEADTALEM GLOBAL ED INC
240,225$8.6B0.27%
136
ENERGY TRANSFER PARTNERS LP
468,184$8.6B0.27%
137
TRTN-PATRITON INTL LTD
254,461$8.5B0.27%
138
G2CEVERI HLDGS INC
1,099,937$8.3B0.26%
139
LITELUMENTUM HLDGS INC
153,450$8.3B0.26%
140
PLNTPLANET FITNESS INC
298,215$8.0B0.25%
141
AXGNAXOGEN INC
408,041$7.9B0.25%
142
CMCOCOLUMBUS MCKINNON CORP N Y
205,223$7.8B0.24%
143
LPSNUSDLIVEPERSON INC
572,720$7.8B0.24%
144
IACIEURIAC INTERACTIVECORP
65,375$7.7B0.24%
145
CBOECBOE HLDGS INC
70,775$7.6B0.24%
146
WEPMAGELLAN MIDSTREAM PRTNRS LP
106,192$7.5B0.24%
147
ISRGINTUITIVE SURGICAL INC
7,100$7.4B0.23%
148
GRUBHUB INC
139,705$7.4B0.23%
149
MRVLMARVELL TECHNOLOGY GROUP LTD
405,008$7.3B0.23%
150
ANETEURARISTA NETWORKS INC
37,535$7.1B0.22%
151
RRNRED ROBIN GOURMET BURGERS IN
105,334$7.1B0.22%
152
AVGOBROADCOM LTD
29,000$7.0B0.22%
153
FMCF M C CORP
75,295$6.7B0.21%
154
CUTREURCUTERA INC
162,513$6.7B0.21%
155
LOGMEURLOGMEIN INC
59,555$6.6B0.21%
156
BIOVERATIV INC
113,210$6.5B0.20%
157
AERIEURAERIE PHARMACEUTICALS INC
132,118$6.4B0.20%
158
ODFLOLD DOMINION FGHT LINES INC
56,580$6.2B0.20%
159
KNXKNIGHT SWIFT TRANSN HLDGS IN
147,595$6.1B0.19%
160
TFXTELEFLEX INC
25,205$6.1B0.19%
161
OCOWENS CORNING NEW
78,760$6.1B0.19%
162
AJGGALLAGHER ARTHUR J & CO
98,870$6.1B0.19%
163
FISVFISERV INC
46,370$6.0B0.19%
164
DKSDICKS SPORTING GOODS INC
218,782$5.9B0.19%
165
TTWOTAKE-TWO INTERACTIVE SOFTWAR
57,240$5.9B0.18%
166
TTENTOTAL S A
108,600$5.8B0.18%
167
MTNVAIL RESORTS INC
25,345$5.8B0.18%
168
HEWGUSDISHARES TR
200,000$5.7B0.18%
169
RDS/AROYAL DUTCH SHELL PLC
93,700$5.7B0.18%
170
XYZSQUARE INC
196,501$5.7B0.18%
171
ETRAE TRADE FINANCIAL CORP
129,030$5.6B0.18%
172
ECPGENCORE CAP GROUP INC
126,635$5.6B0.18%
173
STERIS PLC
62,050$5.5B0.17%
174
SSNCSS&C TECHNOLOGIES HLDGS INC
135,561$5.4B0.17%
175
EXTREXTREME NETWORKS INC
457,345$5.4B0.17%
176
VAREURVARIAN MED SYS INC
54,305$5.4B0.17%
177
ANDEAVOR
52,550$5.4B0.17%
178
ANDEAVOR LOGISTICS LP
108,243$5.4B0.17%
179
NKTREURNEKTAR THERAPEUTICS
224,764$5.4B0.17%
180
PORTOLA PHARMACEUTICALS INC
99,791$5.4B0.17%
181
LECOLINCOLN ELEC HLDGS INC
57,595$5.3B0.17%
182
TECHBIO TECHNE CORP
43,240$5.2B0.16%
183
LNTHLANTHEUS HLDGS INC
290,390$5.2B0.16%
184
AOSSMITH A O
86,355$5.1B0.16%
185
CLVSEURCLOVIS ONCOLOGY INC
61,625$5.1B0.16%
186
CECELANESE CORP DEL
47,985$5.0B0.16%
187
ICLRICON PLC
43,475$5.0B0.16%
188
FANGDIAMONDBACK ENERGY INC
50,182$4.9B0.15%
189
RGENREPLIGEN CORP
127,998$4.9B0.15%
190
SLCAU S SILICA HLDGS INC
154,936$4.8B0.15%
191
XRXCHFXEROX CORP
142,160$4.7B0.15%
192
CXOEURCONCHO RES INC
35,370$4.7B0.15%
193
MKTXMARKETAXESS HLDGS INC
25,085$4.6B0.15%
194
FDCFIRST DATA CORP NEW
252,955$4.6B0.14%
195
SRC ENERGY INC
471,295$4.6B0.14%
196
GLUUGLU MOBILE INC
1,194,487$4.5B0.14%
197
PTCPTC INC
78,675$4.4B0.14%
198
PROPROS HOLDINGS INC
182,984$4.4B0.14%
199
DSKEUSDDASEKE INC
337,918$4.4B0.14%
200
CVXCHEVRON CORP NEW
37,185$4.4B0.14%
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