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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 (2015Q4)
Portfolio Summary: 387 holdings with a total value of $3,327,543,000.
#
Name
Shares
Value ($)
%
Options
Notes
351 CHINA LODGING GROUP LTD 5,800 181,000 0.01%
352 FIBRIA CELULOSE S A SP ADR REP COM 14,150 180,000 0.01%
353 IKANG HEALTHCARE GROUP INC 8,810 180,000 0.01%
354 NEW ORIENTAL ED & TECH GRP I 5,700 179,000 0.01%
355 ALPHABET INC 230 179,000 0.01%
356 SILICON MOTION TECHN 5,700 179,000 0.01%
357 Grupo Aeroportuario Del Pacifi 2,030 179,000 0.01%
358 CONTROLADORA VUELA CIA DE AV 10,400 178,000 0.01%
359 HIMAX TECHNOLOGIES INC 21,750 178,000 0.01%
360 KT CORP 14,920 178,000 0.01%
361 COMPANHIA DE SANEAMENTO BASI 37,750 174,000 0.01%
362 INTEL CORP 4,700 162,000 0.00%
363 PEPSICO INC 1,600 160,000 0.00%
364 UNION PAC CORP 2,000 156,000 0.00%
365 GENESEE AND WYOMING INC INC CL A 2,750 148,000 0.00%
366 TRANSOCEAN LTD 11,600 144,000 0.00%
367 Allergan plc 441 138,000 0.00%
368 CISCO SYS INC 5,000 136,000 0.00%
369 UNIT CORP COM 10,030 122,000 0.00%
370 DEERE & CO 1,400 107,000 0.00%
371 ABBVIE INC 1,800 107,000 0.00%
372 CATERPILLAR INC 1,500 102,000 0.00%
373 ANADARKO PETE CORP 2,000 97,000 0.00%
374 MCDONALDS CORP 800 95,000 0.00%
375 CONSOL ENERGY INC 11,830 93,000 0.00%
376 ABBOTT LABS 1,800 81,000 0.00%
377 GOODRICH PETE CORP 267,445 71,000 0.00%
378 WHITING PETE CORP NEW 6,600 62,000 0.00%
379 ULTRA PETROLEUM CORP 23,410 59,000 0.00%
380 PARKER HANNIFIN CORP 500 48,000 0.00%
381 CDK GLOBAL INC 1,000 47,000 0.00%
382 WALGREENS BOOTS ALLIANCE INC 480 41,000 0.00%
383 STRYKER CORP 340 32,000 0.00%
384 MICHAEL KORS HLDGS LTD 750 30,000 0.00%
385 WHOLE FOODS MKT INC 900 30,000 0.00%
386 CUMMINS INC 300 26,000 0.00%
387 PEABODY ENERGY ORD 2,158 17,000 0.00%
Page 8 of 8

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001106832-16-000005, filed 2016.02.17).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.