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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 (2017Q1)
Original 13F HR (0001106832-17-000003) filed in 2017.05.15
#
Name
Shares
Value ($)
%
Options
Notes
51 BWX TECHNOLOGIES INC COM 320,940 15,277 0.48%
52 CABOT OIL & GAS CORP 51,970 1,243 0.04%
53 CALLON PETE CO DEL 505,910 6,658 0.21%
54 CARRIZO OIL & GAS INC 16,780 481 0.02%
55 CBOE HLDGS INC 85,245 6,911 0.22%
56 CBRE GROUP INC 668,784 23,267 0.73%
57 CDW CORP 83,270 4,806 0.15%
58 CELANESE CORP DEL 62,685 5,632 0.18%
59 CHEMOURS CO 415,155 15,983 0.50%
60 CHENIERE ENERGY INC 280,040 13,237 0.41%
61 CHENIERE ENERGY PARTNERS LP COMMON UNITS 89,190 2,882 0.09%
62 CHESAPEAKE ENERGY CORP 1,656,130 9,837 0.31%
63 CHEVRON CORP NEW 101,235 10,870 0.34%
64 CHINA LODGING GROUP LTD 4,910 305 0.01%
65 CHINA PETROLEUM & CHEMICAL COR ADR SPONSORED 39,740 3,239 0.10%
66 CIMAREX ENERGY 61,500 7,349 0.23%
67 CINEMARK HOLDINGS INC 306,440 13,588 0.43%
68 CINTAS CORP 19,200 2,430 0.08%
69 CISCO SYS INC 5,000 169 0.01%
70 CITIGROUPINC 577,184 34,527 1.08%
71 CLOVIS ONCOLOGY INC 106,665 6,791 0.21%
72 CME GROUP INC 391,779 46,543 1.46%
73 CNOOC LTD 7,990 957 0.03%
74 COACH INC 839,475 34,696 1.09%
75 COCA COLA CO 6,820 289 0.01%
76 COGNEX CORP 46,965 3,943 0.12%
77 COHERENT INC 55,350 11,382 0.36%
78 COMMSCOPE HLDG COMPANY INCORPORATED 107,845 4,498 0.14%
79 CONCHO RESOURCES 52,600 6,751 0.21%
80 CONOCOPHILLIPS 156,420 7,801 0.24%
81 CONSOL ENERGY INC 530 9 0.00%
82 CONTINENTAL RESOURE 614,724 27,921 0.87%
83 COSTCO WHSL CORP NEW 236,860 39,719 1.24%
84 CREDICORP LTD 670 109 0.00%
85 CRESTWOOD EQUITY PARTNERS LP 46,800 1,229 0.04%
86 CUMMINS INC 300 45 0.00%
87 CYPRESS SEMICONDUCTOR CORP 946,330 13,022 0.41%
88 CYRUSONE INC 197,105 10,145 0.32%
89 DAVE & BUSTERS ENTMT INC 282,205 17,240 0.54%
90 DBV TECHNOLOGIES S A 9,690 341 0.01%
91 DCP MIDSTREAM LP 107,700 4,225 0.13%
92 DEERE & CO 135,671 14,769 0.46%
93 DELPHI AUTOMOTIVE PLC 482,137 38,807 1.22%
94 DENTSPLY SIRONA INC 12,820 800 0.03%
95 DERMIRA INC COM 179,616 6,127 0.19%
96 DEVON ENERGY CORP NEW 391,287 16,324 0.51%
97 DEVRY EDUCATION 301,600 10,692 0.34%
98 DEXCOM INC 38,345 3,249 0.10%
99 DIAMONDBACK ENERGY INC 112,042 11,620 0.36%
100 DICKS SPORTING GOODS INC 515,116 25,066 0.79%
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