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
201
AERIEURAERIE PHARMACEUTICALS INC
77,538$4.1B0.13%
202
FTNTFORTINET INC
106,715$4.0B0.13%
203
PAAPLAINS ALL AMERN PIPELINE L
149,530$3.9B0.13%
204
PTCPTC INC
71,095$3.9B0.13%
205
SIXEURSIX FLAGS ENTMT CORP NEW
64,390$3.8B0.13%
206
TLTISHARES TR
30,000$3.8B0.12%
207
FGENEURFIBROGEN INC
115,760$3.7B0.12%
208
ETRAE TRADE FINANCIAL CORP
97,540$3.7B0.12%
209
AMEDAMEDISYS INC
58,500$3.7B0.12%
210
HMCHONDA MOTOR LTD
131,718$3.6B0.12%
211
TECHBIO TECHNE CORP
29,820$3.5B0.11%
212
VRTXVERTEX PHARMACEUTICALS INC
26,830$3.5B0.11%
213
XOMEXXON MOBIL CORP
42,430$3.4B0.11%
214
EXTREXTREME NETWORKS INC
370,555$3.4B0.11%
215
NUANEURNUANCE COMMUNICATIONS INC
195,620$3.4B0.11%
216
CVXCHEVRON CORP NEW
32,385$3.4B0.11%
217
CXOEURCONCHO RES INC
27,730$3.4B0.11%
218
GQ9SPDR GOLD TRUST
28,500$3.4B0.11%
219
KNIGHT TRANSN INC
86,040$3.2B0.10%
220
WCNWASTE CONNECTIONS INC
46,956$3.0B0.10%
221
VLOVALERO ENERGY CORP NEW
44,050$3.0B0.10%
222
ENERGEN CORP
59,250$2.9B0.10%
223
MPCMARATHON PETE CORP
53,875$2.8B0.09%
224
WESWESTERN GAS PARTNERS LP
50,161$2.8B0.09%
225
CQPCHENIERE ENERGY PARTNERS LP
85,090$2.8B0.09%
226
BURLBURLINGTON STORES INC
29,420$2.7B0.09%
227
RANDGOLD RES LTD
30,000$2.7B0.09%
228
TKRTIMKEN CO
57,058$2.6B0.09%
229
IWFISHARES TR
21,720$2.6B0.08%
230
LUVSOUTHWEST AIRLS CO
40,840$2.5B0.08%
231
XECEURCIMAREX ENERGY CO
26,960$2.5B0.08%
232
TSLATESLA INC
6,850$2.5B0.08%
233
ALKSALKERMES PLC
41,640$2.4B0.08%
234
DDOMINION ENERGY MIDSTRM PRTN
83,606$2.4B0.08%
235
PORTOLA PHARMACEUTICALS INC
42,286$2.4B0.08%
236
SUSUNCOR ENERGY INC NEW
81,140$2.4B0.08%
237
RRCRANGE RES CORP
101,020$2.3B0.08%
238
CHKEURCHESAPEAKE ENERGY CORP
466,830$2.3B0.08%
239
TALLGRASS ENERGY PARTNERS LP
45,433$2.3B0.07%
240
ANTERO MIDSTREAM PARTNERS LP
68,344$2.3B0.07%
241
BPBP PLC
64,330$2.2B0.07%
242
CPE3EURCALLON PETE CO DEL
209,250$2.2B0.07%
243
SNPUSDCHINA PETE & CHEM CORP
27,290$2.1B0.07%
244
GASLOG PARTNERS LP
94,200$2.1B0.07%
245
EMERGE ENERGY SVCS LP
235,218$2.1B0.07%
246
SSTISHOTSPOTTER INC
165,005$2.1B0.07%
247
EENI S P A
69,270$2.1B0.07%
248
CITCINTAS CORP
16,300$2.1B0.07%
249
PHILLIPS 66 PARTNERS LP
41,399$2.0B0.07%
250
ENCANA CORP
231,085$2.0B0.07%
251
TESORO CORP
21,450$2.0B0.07%
252
EQT MIDSTREAM PARTNERS LP
26,895$2.0B0.07%
253
GNTXGENTEX CORP
105,300$2.0B0.07%
254
ENLINK MIDSTREAM PARTNERS LP
116,900$2.0B0.06%
255
SRCLSTERICYCLE INC
25,890$2.0B0.06%
256
STATOIL ASA
115,490$1.9B0.06%
257
BOARDWALK PIPELINE PARTNERS
105,740$1.9B0.06%
258
MOG/AMOOG INC
26,330$1.9B0.06%
259
NOBLE MIDSTREAM PARTNERS LP
40,284$1.8B0.06%
260
DCP MIDSTREAM LP
53,900$1.8B0.06%
261
BUCKEYE PARTNERS L P
27,211$1.7B0.06%
262
AKXANSYS INC
14,090$1.7B0.06%
263
AEMAGNICO EAGLE MINES LTD
37,500$1.7B0.06%
264
ETENERGY TRANSFER EQUITY L P
89,000$1.6B0.05%
265
FASTFASTENAL CO
36,210$1.6B0.05%
266
SNDSMART SAND INC
167,450$1.5B0.05%
267
ABXBARRICK GOLD CORP
92,500$1.5B0.05%
268
DST SYS INC DEL
23,680$1.5B0.05%
269
INDYISHARES
42,750$1.4B0.05%
270
WATWATERS CORP
7,620$1.4B0.05%
271
TRPTRANSCANADA CORP
29,290$1.4B0.05%
272
VCA INC
14,720$1.4B0.04%
273
PC6APETROCHINA CO LTD
21,820$1.3B0.04%
274
CTRACABOT OIL & GAS CORP
51,970$1.3B0.04%
275
CCCHEMOURS CO
33,975$1.3B0.04%
276
BKRBAKER HUGHES INC
23,450$1.3B0.04%
277
FAIRMOUNT SANTROL HLDGS INC
322,365$1.3B0.04%
278
PRAAPRA GROUP INC
31,710$1.2B0.04%
279
SONIC CORP
44,885$1.2B0.04%
280
TRGPTARGA RES CORP
25,940$1.2B0.04%
281
RPMRPM INTL INC
20,240$1.1B0.04%
282
GOLDCORP INC NEW
85,000$1.1B0.04%
283
TC PIPELINES LP
19,640$1.1B0.04%
284
RSP PERMIAN INC
32,620$1.1B0.03%
285
KEANE GROUP INC
65,790$1.1B0.03%
286
CRESTWOOD EQUITY PARTNERS LP
44,700$1.1B0.03%
287
NSUSDNUSTAR ENERGY LP
22,140$1.0B0.03%
288
UAUNDER ARMOUR INC
50,656$1.0B0.03%
289
SLBSCHLUMBERGER LTD
15,281$1.0B0.03%
290
UAAUNDER ARMOUR INC
45,300$986.0M0.03%
291
VNOMVIPER ENERGY PARTNERS LP
57,103$897.0M0.03%
292
SHLXUSDSHELL MIDSTREAM PARTNERS L P
29,521$894.0M0.03%
293
BABOEING CO
4,500$890.0M0.03%
294
PAYXPAYCHEX INC
14,740$839.0M0.03%
295
XRAYDENTSPLY SIRONA INC
12,820$831.0M0.03%
296
FFIVF5 NETWORKS INC
6,380$811.0M0.03%
297
RESRPC INC
38,900$786.0M0.03%
298
MONSANTO CO NEW
6,120$724.0M0.02%
299
RICEEURRICE ENERGY INC
25,470$678.0M0.02%
300
GILDGILEAD SCIENCES INC
8,850$626.0M0.02%
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