Dark
Light
System
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
201 VERINT SYS INC 203,150 9,534 0.27%
202 MOBILE MINI INC 205,355 8,904 0.25%
203 DEXCOM INC 205,370 8,494 0.24%
204 CRAY INC 206,095 7,691 0.22%
205 CONSTANT CONTACT INC 206,457 5,050 0.14%
206 BARNES GROUP INC COM 207,543 7,984 0.23%
207 BLACKROCK INC 211,857 66,625 1.89%
208 ICONIX BRAND GROUP INC 217,444 8,539 0.24%
209 HANCOCK WHITNEY CORPORATION 220,040 8,064 0.23%
210 NOVADAQ TECHNOLOGIES INC 220,303 4,908 0.14%
211 VERIFONE SYS INC 220,770 7,466 0.21%
212 HILLENBRAND INC 220,963 7,144 0.20%
213 COGENT COMMUNICATIONS HLDGS IN COM NEW 221,022 7,853 0.22%
214 ITT Corp 225,856 9,658 0.27%
215 GOODRICH PETE CORP 229,745 3,635 0.10%
216 KATE SPADE & CO 231,241 8,577 0.24%
217 MIDDLEBY CORP 232,191 61,347 1.74%
218 LIGAND PHARMACEUTICALS INC 236,646 15,919 0.45%
219 EXAMWORKS GROUP INC COM 243,619 8,529 0.24%
220 COMSCORE INC 244,725 8,025 0.23%
221 ENVISION HEALTHCARE HLDGS INC 248,940 8,422 0.24%
222 SPECTRANETICS CORP 251,341 7,618 0.22%
223 SPDR SERIES TRUST 257,400 8,378 0.24%
224 CARDIOVASCULAR SYS INC DEL COM 259,270 8,242 0.23%
225 WRIGHT MEDICAL GROUP NV 260,189 8,084 0.23%
226 HILLSHIRE BRANDS COMPANY 266,295 9,922 0.28%
227 PROOFPOINT INC 268,800 9,967 0.28%
228 POLYONE CORP 268,962 9,860 0.28%
229 PACWEST BANCORP DEL COM 271,790 11,690 0.33%
230 HONDA MOTOR LTD 277,300 9,800 0.28%
231 KNIGHT TRANSN INC 277,917 6,428 0.18%
232 D R HORTON INC 278,900 6,038 0.17%
233 ADEPT TECHNOLOGY INC 282,043 5,359 0.15%
234 ENTERPRISE PRODS PARTNERS L 284,450 19,729 0.56%
235 Acxiom Corp 284,557 9,787 0.28%
236 STRATASYS LTD 293,780 31,167 0.89%
237 DEPOMED INC 296,354 4,297 0.12%
238 LIVEPERSON INC 308,997 3,730 0.11%
239 SHERWIN WILLIAMS CO 310,479 61,205 1.74%
240 KAR AUCTION SVCS INC 314,350 9,541 0.27%
241 ISHARES TR 318,000 7,702 0.22%
242 HAWAIIAN HOLDINGS INC COM 318,350 4,444 0.13%
243 UNION PAC CORP 320,240 60,096 1.71%
244 GLOBUS MED INC 322,174 8,567 0.24%
245 FLEETCOR TECHNOLOGIES INC 331,730 38,182 1.09%
246 BP PLC 339,200 16,316 0.46%
247 SILICON MOTION TECHN 339,461 5,696 0.16%
248 VMWARE INC 342,140 36,958 1.05%
249 RAMBUS INC DEL 343,377 3,691 0.10%
250 RADIAN GROUP INC 350,779 5,272 0.15%
Page 5 of 7