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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
151 HONDA MOTOR LTD 131,718 3,986 0.12%
152 BANKUNITED INC 107,210 4,000 0.13%
153 PROSPERITY BANCSHARES INC 57,580 4,014 0.13%
154 PTC INC 77,035 4,048 0.13%
155 E TRADE FINANCIAL CORP 116,935 4,080 0.13%
156 XILINX INC 72,720 4,210 0.13%
157 DCP MIDSTREAM LP 107,700 4,225 0.13%
158 EMERGE ENERGY SVCS LP 306,218 4,241 0.13%
159 RICE MIDSTREAM PARTNERS LP 171,093 4,315 0.14%
160 A O SMITH 84,665 4,331 0.14%
161 RAYMOND JAMES FINANC 57,050 4,351 0.14%
162 SQUARE INC 251,885 4,353 0.14%
163 SS&C TECHNOLOGIES HLDGS INC 123,051 4,356 0.14%
164 TELENAV INC COM 504,483 4,364 0.14%
165 COMMSCOPE HLDG COMPANY INCORPORATED 107,845 4,498 0.14%
166 MSC INDL DIRECT INC 45,290 4,654 0.15%
167 HUNTINGTON BANCSHARES INC 348,370 4,665 0.15%
168 PINNACLE FOODS INC DEL 81,270 4,703 0.15%
169 VAIL RESORTS INC 24,810 4,761 0.15%
170 TELEFLEX INC 24,670 4,779 0.15%
171 CDW CORP 83,270 4,806 0.15%
172 F5 NETWORKS INC 33,850 4,826 0.15%
173 LINCOLN ELEC HLDGS INC 56,570 4,914 0.15%
174 PLAINS ALL AMERN PIPELINE L 156,730 4,954 0.16%
175 MIMECAST LTD 221,455 4,958 0.16%
176 FIRST DATA CORP NEW 320,410 4,966 0.16%
177 VALERO ENERGY CORP NEW 75,180 4,984 0.16%
178 ENERGEN CORP COM 91,650 4,989 0.16%
179 RESTAURANT BRANDS INTL INC 91,145 5,080 0.16%
180 SMART SAND INC COM 313,679 5,097 0.16%
181 KEANE GROUP INC 356,540 5,099 0.16%
182 NUTRI SYS INC NEW 91,980 5,105 0.16%
183 TRANSUNION 134,090 5,142 0.16%
184 ONEOK PARTNERS LP 95,320 5,146 0.16%
185 ALLISON TRANSMISSION HLDGS INC COM 143,105 5,160 0.16%
186 ENI S P A 157,840 5,166 0.16%
187 ANADARKO PETE CORP 83,940 5,204 0.16%
188 GALLAGHER ARTHUR J & CO 93,610 5,293 0.17%
189 INTUITIVE SURGICAL INC 7,100 5,442 0.17%
190 FMC 78,440 5,459 0.17%
191 PDF SOLUTIONS INC COM 242,939 5,495 0.17%
192 SCHLUMBERGER LTD 70,841 5,533 0.17%
193 ISHARES TR 200,000 5,566 0.17%
194 REALPAGE INC COM 160,628 5,606 0.18%
195 CELANESE CORP DEL 62,685 5,632 0.18%
196 TRUECAR INC 364,035 5,632 0.18%
197 WEBSTER FINL CORP CONN 114,385 5,724 0.18%
198 SENSIENT TECHNOLOGIES CORP 72,375 5,736 0.18%
199 WESTERN GAS PARTNERS LP 96,381 5,826 0.18%
200 ACI WORLDWIDE INC 283,810 6,071 0.19%
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