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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 (2016Q1)
Portfolio Summary: 367 holdings with a total value of $3,202,024,000.
#
Name
Shares
Value ($)
%
Options
Notes
301 COCA COLA CO 10,020 465,000 0.01%
302 QUALCOMM INC 8,950 458,000 0.01%
303 COSTCO WHSL CORP NEW 2,800 441,000 0.01%
304 HARLEY DAVIDSON INC 8,363 429,000 0.01%
305 DRIL-QUIP INC 6,900 418,000 0.01%
306 BORGWARNER INC 10,340 397,000 0.01%
307 MURPHY USA INC COM 6,145 378,000 0.01%
308 RICE ENERGY INCORPORATED 25,470 356,000 0.01%
309 ROWAN COMPANIES PLC 21,880 352,000 0.01%
310 ISHARES RUSSELL 2000 GROWTH ETF 2,550 338,000 0.01%
311 CITIGROUPINC 8,010 334,000 0.01%
312 AMERICAN EXPRESS CO 5,175 318,000 0.01%
313 PACCAR INC 5,750 314,000 0.01%
314 PROCTER AND GAMBLE CO 3,800 313,000 0.01%
315 AMGEN INC 2,000 300,000 0.01%
316 AUTOMATIC DATA PROCESSING IN 3,000 269,000 0.01%
317 NEWFIELD EXPL CO 7,300 243,000 0.01%
318 COMPANHIA DE SANEAMENTO BASI 36,600 242,000 0.01%
319 PERRIGO CO PLC 1,740 223,000 0.01%
320 ILLINOIS TOOL WKS INC 2,170 222,000 0.01%
321 MICROSOFT CORP 4,000 221,000 0.01%
322 MEDTRONIC PLC 2,880 216,000 0.01%
323 SPDR S&P 500 ETF TR 1,000 206,000 0.01%
324 NABORS INDUSTRIES LTD 22,400 206,000 0.01%
325 SOCIEDAD QUIMICA Y MINERA DE 9,800 201,000 0.01%
326 PFIZER INC 6,500 193,000 0.01%
327 KT CORP 14,200 191,000 0.01%
328 WNS HOLDINGS LTD 6,100 187,000 0.01%
329 ALPHABET INC 230 175,000 0.01%
330 GENESEE AND WYOMING INC INC CL A 2,750 172,000 0.01%
331 PEPSICO INC 1,600 164,000 0.01%
332 UNION PAC CORP 2,000 159,000 0.00%
333 SILICON MOTION TECHN 4,100 159,000 0.00%
334 GALAPAGOS NV 3,700 155,000 0.00%
335 CONTROLADORA VUELA CIA DE AV 7,300 154,000 0.00%
336 INTEL CORP 4,700 152,000 0.00%
337 Nice Systems LTD Sponsored 2,300 149,000 0.00%
338 BANCO MACRO SA 2,300 148,000 0.00%
339 SEMGROUP CORP CL A 6,400 143,000 0.00%
340 CISCO SYS INC 5,000 142,000 0.00%
341 CHINA LODGING GROUP LTD 3,600 138,000 0.00%
342 CONSOL ENERGY INC 11,830 134,000 0.00%
343 DBV TECHNOLOGIES S A 4,100 133,000 0.00%
344 Grupo Aeroportuario Del Pacifi 1,500 133,000 0.00%
345 MARINE HARVEST ASA 8,200 126,000 0.00%
346 ALLERGAN PLC 441 118,000 0.00%
347 CATERPILLAR INC 1,500 115,000 0.00%
348 ATLASSIAN CORP PLC 4,300 108,000 0.00%
349 DEERE & CO 1,400 108,000 0.00%
350 TRANSOCEAN LTD 11,600 106,000 0.00%
Page 7 of 8

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001106832-16-000006, filed 2016.05.17).

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.