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Institutional Investment Manager
CASTLEARK MANAGEMENT LLC
CASTLEARK MANAGEMENT LLC (CIK: 0001106832), located at 1 N Wacker Dr, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q2)
Original 13F HR (0001106832-14-000004) filed in 2014.08.15
#
Name
Shares
Value ($)
%
Options
Notes
101 VERTEX PHARMACEUTICALS INC 31,830 3,014 0.08%
102 SUNCOR ENERGY INC NEW 33,990 1,449 0.04%
103 ISHARES SILVER TR 34,200 693 0.02%
104 Portfolio Recovery Ass 37,700 2,244 0.06%
105 ALTERA CORPORATION 38,151 1,326 0.04%
106 SEALED AIR CORP NEW 38,220 1,306 0.04%
107 OILTANKING PARTNERS LP 38,620 3,647 0.10%
108 SPECTRA ENERGY PARTNERS LP 39,000 2,081 0.06%
109 CHENIERE ENERGY PARTNERS LP COMMON UNITS 39,120 1,293 0.04%
110 DICKS SPORTING GOODS INC 41,410 1,928 0.05%
111 CHINA PETROLEUM & CHEMICAL COR ADR SPONSORED 41,660 3,959 0.11%
112 ALLIANCE RES PARTNER L P 42,380 1,977 0.05%
113 GENESIS ENERGY LP COM UNITS NPV 42,450 2,379 0.07%
114 TRANSCANADA CORP 42,700 2,038 0.06%
115 PIONEER NAT RES CO 42,910 9,861 0.27%
116 Targa Resources Partners LP 45,070 3,241 0.09%
117 MPLX LP 45,300 2,922 0.08%
118 IMPERIAL OIL LTD 45,700 2,405 0.07%
119 CONCHO RESOURCES 46,000 6,647 0.18%
120 FASTENAL CO 46,000 2,277 0.06%
121 SYNAPTICS INC 46,150 4,183 0.12%
122 PETSMART 47,900 2,864 0.08%
123 PRICELINE GRP INC 48,820 58,730 1.62%
124 DEVON ENERGY CORP NEW 48,920 3,884 0.11%
125 TESORO LOGISTICS LP 49,010 3,597 0.10%
126 SOUTHWEST AIRLS CO 50,450 1,355 0.04%
127 SEMGROUP CORP CL A 51,060 4,026 0.11%
128 CABOT OIL & GAS CORP 52,800 1,803 0.05%
129 PHILLIPS 66 52,860 4,252 0.12%
130 SUMMIT MIDSTREAM PARTNERS LP 54,200 2,756 0.08%
131 MARKWEST ENERGY PARTNERS LP 54,230 3,882 0.11%
132 CIMAREX ENERGY 55,690 7,989 0.22%
133 WEX INC 55,970 5,875 0.16%
134 EQT MIDSTREAM PARTNERS LP 55,980 5,416 0.15%
135 TOYOTA MOTOR CORP 57,300 6,857 0.19%
136 ENERGEN CORP COM 60,090 5,341 0.15%
137 TIVO INC 63,800 824 0.02%
138 WESTERN GAS PARTNERS LP 65,380 5,000 0.14%
139 NGL ENERGY PARTNERS LP 65,700 2,847 0.08%
140 GENTEX CORP 66,060 1,922 0.05%
141 RENTRAK CORP 66,270 3,476 0.10%
142 ACCESS MIDSTREAM PARTNERS LP 68,140 4,330 0.12%
143 UNDER ARMOUR INC 69,000 4,105 0.11%
144 UNIT CORP COM 70,290 4,838 0.13%
145 SPX CORP 74,024 8,010 0.22%
146 BUCKEYE PARTNERS L P 74,110 6,156 0.17%
147 BONANZA CREEK ENERGY INC 76,015 4,347 0.12%
148 ENERGY TRANSFER L P 76,380 4,502 0.12%
149 SPDR GOLD TR 78,500 10,051 0.28%
150 CIRCOR INTL INC COM 80,281 6,192 0.17%
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