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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 (2014Q1)
Original 13F HR (0001106832-14-000002) filed in 2014.05.20
#
Name
Shares
Value ($)
%
Options
Notes
51 WASTE CONNECTIONS INC COM 11,200 491 0.01%
52 TESORO CORP 11,330 573 0.02%
53 SOTHEBYS 11,800 514 0.01%
54 INTEL CORP 12,330 318 0.01%
55 FOREST LABS INC COM 12,800 1,181 0.03%
56 JARDEN CORP 13,000 778 0.02%
57 SPDR S&P 500 ETF TR 13,200 2,469 0.07%
58 PITNEY BOWES INC 13,500 351 0.01%
59 DST SYS INC DEL 13,900 1,318 0.04%
60 KINDER MORGAN MANAGEMENT LLC 14,727 1,055 0.03%
61 Dentsply Intl Inc 14,800 681 0.02%
62 NABORS INDUSTRIES LTD 16,000 394 0.01%
63 VCA INCORPORATED 17,300 558 0.02%
64 PAYCHEX INC 17,350 739 0.02%
65 CAMERON INTERNATIONAL COMPANY 17,600 1,087 0.03%
66 ROWAN COMPANIES PLC 17,900 603 0.02%
67 ONEOK INC NEW 19,600 1,161 0.03%
68 BILL BARRETT CP 20,000 512 0.01%
69 MICROCHIP TECHNOLOGY 20,150 962 0.03%
70 BROADCOM CORP CL A 21,300 670 0.02%
71 CINTAS CORP 22,400 1,335 0.04%
72 CIMAREX ENERGY 23,100 2,751 0.08%
73 TARGA RES CORP 23,900 2,372 0.07%
74 RPM INTL INC 23,900 1,000 0.03%
75 HOLLYFRONTIER CORP 23,900 1,137 0.03%
76 VARIAN MED SYS INC 24,760 2,080 0.06%
77 EQT CORP 25,040 2,428 0.07%
78 CHEVRON CORP NEW 25,170 2,993 0.09%
79 ONEOK PARTNERS LP 26,160 1,401 0.04%
80 MYRIAD GENETICS INC 26,500 906 0.03%
81 CF INDS HLDGS INC 28,300 7,376 0.21%
82 CORE LABORATORIES N V 28,580 5,671 0.16%
83 HESS CORP 29,100 2,412 0.07%
84 BHP BILLITON LTD 29,500 1,999 0.06%
85 PETROCHINA CO LTD 30,200 3,277 0.09%
86 REGENERON PHARMACEUTICALS 30,410 9,132 0.26%
87 STERICYCLE INC 30,600 3,477 0.10%
88 COSTAR GROUP 31,008 5,790 0.16%
89 MOOG INC CL A 31,200 2,044 0.06%
90 BONANZA CREEK ENERGY INC 31,215 1,386 0.04%
91 PRICELINE GRP INC 31,600 37,664 1.07%
92 VERTEX PHARMACEUTICALS INC 31,830 2,251 0.06%
93 SUNCOR ENERGY INC NEW 33,990 1,188 0.03%
94 ISHARES SILVER TR 34,200 651 0.02%
95 EMERGE ENERGY SVCS LP 35,800 2,227 0.06%
96 Portfolio Recovery Ass 37,700 2,181 0.06%
97 ALTERA CORPORATION 38,151 1,382 0.04%
98 SEALED AIR CORP NEW 38,220 1,256 0.04%
99 OILTANKING PARTNERS LP 38,620 2,978 0.08%
100 JAZZ PHARMACEUTICALS PLC 40,556 5,624 0.16%
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