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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 (2015Q1)
Portfolio Summary: 355 holdings with a total value of $4,146,716,000.
#
Name
Shares
Value ($)
%
Options
Notes
351 FACEBOOK INC 963,770 79,236,000 1.91%
352 APPLE INC 655,910 81,615,000 1.97%
353 DELPHI AUTOMOTIVE PLC 1,064,780 84,906,000 2.05%
354 MEDTRONIC PLC 1,316,026 102,636,000 2.48%
355 NXP SEMICONDUCTORS N V 1,180,560 118,482,000 2.86%
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Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001106832-15-000002, filed 2015.05.15).

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.