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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
201 HUNTINGTON BANCSHARES INC 348,370 4,665 0.15%
202 MSC INDL DIRECT INC 45,290 4,654 0.15%
203 COMMSCOPE HLDG COMPANY INCORPORATED 107,845 4,498 0.14%
204 TELENAV INC COM 504,483 4,364 0.14%
205 SS&C TECHNOLOGIES HLDGS INC 123,051 4,356 0.14%
206 SQUARE INC 251,885 4,353 0.14%
207 RAYMOND JAMES FINANC 57,050 4,351 0.14%
208 A O SMITH 84,665 4,331 0.14%
209 RICE MIDSTREAM PARTNERS LP 171,093 4,315 0.14%
210 EMERGE ENERGY SVCS LP 306,218 4,241 0.13%
211 DCP MIDSTREAM LP 107,700 4,225 0.13%
212 XILINX INC 72,720 4,210 0.13%
213 E TRADE FINANCIAL CORP 116,935 4,080 0.13%
214 PTC INC 77,035 4,048 0.13%
215 PROSPERITY BANCSHARES INC 57,580 4,014 0.13%
216 BANKUNITED INC 107,210 4,000 0.13%
217 HONDA MOTOR LTD 131,718 3,986 0.12%
218 COGNEX CORP 46,965 3,943 0.12%
219 HUDSON TECHNOLOGIES INC 594,972 3,927 0.12%
220 FLIR SYS INC 104,040 3,775 0.12%
221 TARGA RES CORP 61,740 3,698 0.12%
222 ISHARES 20 YEAR TREASURY BOND ETF 30,000 3,621 0.11%
223 FIBROGEN INC 143,090 3,527 0.11%
224 EnLink Midstream Partners LP 192,200 3,517 0.11%
225 OWENS CORNING NEW 55,860 3,428 0.11%
226 KITE PHARMA INCORPORATED 43,110 3,384 0.11%
227 SPDR GOLD TR 28,500 3,384 0.11%
228 WESTLAKE CHEM CORP 50,155 3,313 0.10%
229 BRUNSWICK CORP 53,875 3,297 0.10%
230 PERKINELMER INC 56,060 3,255 0.10%
231 DEXCOM INC 38,345 3,249 0.10%
232 SYNNEX CORP 28,980 3,244 0.10%
233 CHINA PETROLEUM & CHEMICAL COR ADR SPONSORED 39,740 3,239 0.10%
234 BUNGE LIMITED 40,810 3,235 0.10%
235 RICE ENERGY INCORPORATED 135,690 3,216 0.10%
236 TESORO CORP 39,140 3,173 0.10%
237 ARRAY BIOPHARMA INC 349,781 3,127 0.10%
238 TESORO LOGISTICS LP 56,443 3,074 0.10%
239 TRANSCANADA CORP 66,600 3,074 0.10%
240 PORTOLA PHARMACEUTICALS INC 77,175 3,024 0.09%
241 Patterson UTI Energy Inc Com 121,640 2,952 0.09%
242 VERTEX PHARMACEUTICALS INC 26,830 2,934 0.09%
243 RANGE RES CORP 100,240 2,917 0.09%
244 CHENIERE ENERGY PARTNERS LP COMMON UNITS 89,190 2,882 0.09%
245 KAR AUCTION SVCS INC 65,305 2,852 0.09%
246 PHILLIPS 66 PARTNERS LP 55,399 2,845 0.09%
247 DOMINION MIDSTREAM PARTNERS 87,606 2,799 0.09%
248 ENSCO PLC 310,490 2,779 0.09%
249 BP PLC 79,070 2,729 0.09%
250 FAIRMOUNT SANTROL HLDGS INC 368,925 2,704 0.08%
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