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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 QUALCOMM INC 476,670 37,590 1.07%
52 SPLUNK INC 456,340 32,624 0.93%
53 CHICAGO BRIDGE & IRON CO N V 450,808 39,288 1.12%
54 Xcerra Corp 446,481 3,978 0.11%
55 EOG RES INC 432,980 84,938 2.42%
56 ALLSCRIPTS HEALTHCARE SOLUTN 418,425 7,544 0.21%
57 HEARTLAND EXPRESS INC COM 414,475 9,404 0.27%
58 ANSYS 373,350 28,755 0.82%
59 MOTORCAR PTS AMER INC 365,551 9,713 0.28%
60 RADIAN GROUP INC 350,779 5,272 0.15%
61 RAMBUS INC DEL 343,377 3,691 0.10%
62 VMWARE INC 342,140 36,958 1.05%
63 SILICON MOTION TECHNOLOGY CO 339,461 5,696 0.16%
64 BP PLC 339,200 16,316 0.46%
65 FLEETCOR TECHNOLOGIES INC 331,730 38,182 1.09%
66 GLOBUS MED INC 322,174 8,567 0.24%
67 UNION PAC CORP 320,240 60,096 1.71%
68 HAWAIIAN HOLDINGS INC 318,350 4,444 0.13%
69 ISHARES TR 318,000 7,702 0.22%
70 KAR AUCTION SVCS INC 314,350 9,541 0.27%
71 SHERWIN WILLIAMS CO 310,479 61,205 1.74%
72 LIVEPERSON INC 308,997 3,730 0.11%
73 DEPOMED INC 296,354 4,297 0.12%
74 STRATASYS LTD 293,780 31,167 0.89%
75 Acxiom Corp 284,557 9,787 0.28%
76 ENTERPRISE PRODS PARTNERS L 284,450 19,729 0.56%
77 ADEPT TECHNOLOGY INC 282,043 5,359 0.15%
78 D R HORTON INC 278,900 6,038 0.17%
79 KNIGHT TRANSN INC 277,917 6,428 0.18%
80 HONDA MOTOR LTD 277,300 9,800 0.28%
81 PACWEST BANCORP DEL COM 271,790 11,690 0.33%
82 POLYONE CORP 268,962 9,860 0.28%
83 PROOFPOINT INC 268,800 9,967 0.28%
84 HILLSHIRE BRANDS COMPANY 266,295 9,922 0.28%
85 WRIGHT MEDICAL GROUP NV 260,189 8,084 0.23%
86 CARDIOVASCULAR SYSTEMS INCORPORATED DEL 259,270 8,242 0.23%
87 SPDR SERIES TRUST 257,400 8,378 0.24%
88 SPECTRANETICS CORP 251,341 7,618 0.22%
89 ENVISIONHEALTHCA 248,940 8,422 0.24%
90 ComScore Inc 244,725 8,025 0.23%
91 EXAMWORKS GROUP INC COM 243,619 8,529 0.24%
92 LIGAND PHARMACEUTICALS INC 236,646 15,919 0.45%
93 MIDDLEBY CORP 232,191 61,347 1.74%
94 KATE SPADE & CO 231,241 8,577 0.24%
95 GOODRICH PETE CORP 229,745 3,635 0.10%
96 ITT Corp 225,856 9,658 0.27%
97 COGENT COMMUNICATIONS HLDGS 221,022 7,853 0.22%
98 HILLENBRAND INC 220,963 7,144 0.20%
99 VERIFONE SYS INC 220,770 7,466 0.21%
100 NOVADAQ TECHNOLOGIES INC 220,303 4,908 0.14%
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