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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 (2015Q2)
Portfolio Summary: 369 holdings with a total value of $3,743,406,000.
#
Name
Shares
Value ($)
%
Options
Notes
351 TRANSOCEAN LTD 11,600 187,000 0.00%
352 MICROSOFT CORP 4,000 177,000 0.00%
353 ANADARKO PETR 2,000 156,000 0.00%
354 PEPSICO INC 1,600 149,000 0.00%
355 MICHAEL KORS HLDGS LTD 3,450 145,000 0.00%
356 INTEL CORP 4,700 143,000 0.00%
357 CISCO SYS INC 5,000 137,000 0.00%
358 DEERE & CO 1,400 136,000 0.00%
359 Allergan plc 441 134,000 0.00%
360 CATERPILLAR INC 1,500 127,000 0.00%
361 ISHARES NASDAQ BIOTECHNOLOGY ETF 230 124,000 0.00%
362 ABBVIE INC 1,800 121,000 0.00%
363 ABBOTT LABS 1,800 88,000 0.00%
364 MCDONALDS CORP 800 76,000 0.00%
365 PEABODY ENERGY CORP 32,390 71,000 0.00%
366 PARKER HANNIFIN CORP 500 58,000 0.00%
367 CDK GLOBAL INC 1,000 54,000 0.00%
368 WALGREENS BOOTS ALLIANCE INC 480 41,000 0.00%
369 STRYKER CORP 340 32,000 0.00%
Page 8 of 8

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001106832-15-000003, filed 2015.08.17).

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.