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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 PACWEST BANCORP DEL COM 271,790 11,690 0.33%
52 Actua Corp (ACTA) 567,950 11,598 0.33%
53 CHENIERE ENERGY INC 197,100 10,909 0.31%
54 ROYAL DUTCH SHELL PLC 147,120 10,749 0.31%
55 HORIZON PHARMA PLC 710,928 10,749 0.31%
56 ATRICURE INC 568,222 10,688 0.30%
57 PLAINS ALL AMERN PIPELINE L 193,570 10,670 0.30%
58 CARRIZO OIL & GAS INC 197,760 10,572 0.30%
59 SCHLUMBERGER LTD 105,980 10,333 0.29%
60 MAGELLAN MIDSTREAM PRTNRS LP 147,480 10,285 0.29%
61 BAKER HUGHES INC 157,130 10,217 0.29%
62 PROOFPOINT INC 268,800 9,967 0.28%
63 HILLSHIRE BRANDS COMPANY 266,295 9,922 0.28%
64 POLYONE CORP 268,962 9,860 0.28%
65 HONDA MOTOR LTD 277,300 9,800 0.28%
66 Acxiom Corp 284,557 9,787 0.28%
67 MOTORCAR PTS AMER INC 365,551 9,713 0.28%
68 ITT Corp 225,856 9,658 0.27%
69 KAR AUCTION SVCS INC 314,350 9,541 0.27%
70 VERINT SYS INC 203,150 9,534 0.27%
71 PALO ALTO NETWORKS INC 138,715 9,516 0.27%
72 SPECTRUM BRANDS HLDGS INC 119,081 9,491 0.27%
73 HEARTLAND EXPRESS INC COM 414,475 9,404 0.27%
74 INSULET CORPORATION 198,004 9,389 0.27%
75 SHORETEL INC 1,087,213 9,350 0.27%
76 Marchex Inc 884,817 9,299 0.26%
77 MARATHON PETE CORP 106,200 9,244 0.26%
78 REGENERON PHARMACEUTICALS 30,410 9,132 0.26%
79 MOBILE MINI INC 205,355 8,904 0.25%
80 JACK IN THE BOX INC 150,925 8,896 0.25%
81 SPX CORP 90,424 8,890 0.25%
82 ENERGY TRANSFER PRTNRS L P 163,360 8,787 0.25%
83 HEXCEL CORP NEW COM 201,309 8,765 0.25%
84 LYONDELLBASELL INDUSTRIES N 98,200 8,734 0.25%
85 PHILLIPS 66 111,900 8,623 0.25%
86 KATE SPADE & CO 231,241 8,577 0.24%
87 GLOBUS MED INC 322,174 8,567 0.24%
88 SALIX PHARMACEUTICALS INC 82,624 8,561 0.24%
89 ICONIX BRAND GROUP INC 217,444 8,539 0.24%
90 EXAMWORKS GROUP INC COM 243,619 8,529 0.24%
91 LOGMEIN INC 189,360 8,500 0.24%
92 DEXCOM INC 205,370 8,494 0.24%
93 INTEGRATED DEVICE TECHNOLOGY 691,677 8,459 0.24%
94 ENVISION HEALTHCARE HLDGS INC 248,940 8,422 0.24%
95 GLOBAL EAGLE ENTMT INC 533,297 8,415 0.24%
96 SPDR SERIES TRUST 257,400 8,378 0.24%
97 Callidus Software Inc 668,906 8,375 0.24%
98 EAGLE MATERIALS INC 94,114 8,344 0.24%
99 ACADIA COMPANY COM 183,311 8,271 0.24%
100 CARDIOVASCULAR SYS INC DEL COM 259,270 8,242 0.23%
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