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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
1 California Resources Corp 2,349 2,000 0.00%
2 PEABODY ENERGY ORD 2,158 5,000 0.00%
3 ULTRA PETROLEUM CORP 23,410 12,000 0.00%
4 GOODRICH PETE CORP 267,445 26,000 0.00%
5 WHOLE FOODS MKT INC 900 28,000 0.00%
6 CUMMINS INC 300 33,000 0.00%
7 STRYKER CORP 340 36,000 0.00%
8 WALGREENS BOOTS ALLIANCE INC 480 40,000 0.00%
9 CDK GLOBAL INC 1,000 47,000 0.00%
10 Videocon D2H Ltd 6,500 48,000 0.00%
11 PARKER HANNIFIN CORP 500 56,000 0.00%
12 ABBOTT LABS 1,800 75,000 0.00%
13 TAL ED GROUP 2,000 99,000 0.00%
14 NEW ORIENTAL ED & TECH GRP I 2,900 100,000 0.00%
15 MCDONALDS CORP 800 101,000 0.00%
16 MELLANOX TECHNOLOGIES LTD 1,900 103,000 0.00%
17 ABBVIE INC 1,800 103,000 0.00%
18 TRANSOCEAN LTD 11,600 106,000 0.00%
19 ATLASSIAN CORP PLC 4,300 108,000 0.00%
20 DEERE & CO 1,400 108,000 0.00%
21 CATERPILLAR INC 1,500 115,000 0.00%
22 ALLERGAN PLC 441 118,000 0.00%
23 MARINE HARVEST ASA 8,200 126,000 0.00%
24 DBV TECHNOLOGIES S A 4,100 133,000 0.00%
25 Grupo Aeroportuario Del Pacifi 1,500 133,000 0.00%
26 CONSOL ENERGY INC 11,830 134,000 0.00%
27 CHINA LODGING GROUP LTD 3,600 138,000 0.00%
28 CISCO SYS INC 5,000 142,000 0.00%
29 SEMGROUP CORP CL A 6,400 143,000 0.00%
30 BANCO MACRO SA 2,300 148,000 0.00%
31 Nice Systems LTD Sponsored 2,300 149,000 0.00%
32 INTEL CORP 4,700 152,000 0.00%
33 CONTROLADORA VUELA CIA DE AV 7,300 154,000 0.00%
34 GALAPAGOS NV 3,700 155,000 0.00%
35 UNION PAC CORP 2,000 159,000 0.00%
36 SILICON MOTION TECHN 4,100 159,000 0.00%
37 PEPSICO INC 1,600 164,000 0.01%
38 GENESEE AND WYOMING INC INC CL A 2,750 172,000 0.01%
39 ALPHABET INC 230 175,000 0.01%
40 WNS HOLDINGS LTD 6,100 187,000 0.01%
41 KT CORP 14,200 191,000 0.01%
42 PFIZER INC 6,500 193,000 0.01%
43 SOCIEDAD QUIMICA Y MINERA DE 9,800 201,000 0.01%
44 SPDR S&P 500 ETF TR 1,000 206,000 0.01%
45 NABORS INDUSTRIES LTD 22,400 206,000 0.01%
46 MEDTRONIC PLC 2,880 216,000 0.01%
47 MICROSOFT CORP 4,000 221,000 0.01%
48 ILLINOIS TOOL WKS INC 2,170 222,000 0.01%
49 PERRIGO CO PLC 1,740 223,000 0.01%
50 COMPANHIA DE SANEAMENTO BASI 36,600 242,000 0.01%
Page 1 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.