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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 (2014Q1)
Original 13F HR (0001106832-14-000002) filed in 2014.05.20
#
Name
Shares
Value ($)
%
Options
Notes
1 STRYKER CORP 700 57 0.00%
2 MCDONALDS CORP 800 78 0.00%
3 Walgreens 1,000 66 0.00%
4 Allergan plc 1,200 149 0.00%
5 DEERE & CO 1,400 127 0.00%
6 CUMMINS INC 1,500 223 0.01%
7 COACH INC 1,500 74 0.00%
8 CATERPILLAR INC 1,500 149 0.00%
9 PEPSICO INC 1,600 134 0.00%
10 PERRIGO CO PLC 1,740 269 0.01%
11 ABBVIE INC 1,800 93 0.00%
12 ATHENA HEALTH INC. 2,000 320 0.01%
13 AMGEN INC 2,000 247 0.01%
14 ANADARKO PETE CORP 2,000 170 0.00%
15 PHARMACYCLICS INC 2,660 267 0.01%
16 GENESEE AND WYOMING INC INC CL A 2,750 268 0.01%
17 PHILLIPS 66 PARTNERS LP 2,800 136 0.00%
18 ILLINOIS TOOL WKS INC 3,000 244 0.01%
19 AUTOMATIC DATA PROCESSING IN 3,000 232 0.01%
20 TRANSDIGM GROUP INC 3,245 601 0.02%
21 Medtronic Inc 3,400 209 0.01%
22 CME GROUP INC 3,400 252 0.01%
23 PROCTER AND GAMBLE CO 3,800 306 0.01%
24 MICROSOFT CORP 4,000 164 0.00%
25 CONCUR TECHNOLOGIE 4,200 416 0.01%
26 CareFusion 4,650 187 0.01%
27 ONE GAS INC COM 4,900 176 0.01%
28 CISCO SYS INC 5,000 112 0.00%
29 BOEING CO 5,000 627 0.02%
30 MURPHY USA INC COM 5,625 228 0.01%
31 MONSANTO CO NEW 6,120 696 0.02%
32 WHOLE FOODS MKT INC 6,220 315 0.01%
33 B/E AEROSPACE INC 6,400 555 0.02%
34 LINCOLN ELEC HLDGS INC 6,700 482 0.01%
35 DRIL-QUIP INC 6,900 773 0.02%
36 DUNKIN BRANDS GROUP INC COM 7,100 356 0.01%
37 NEWFIELD EXPL CO 7,300 229 0.01%
38 F5 NETWORKS INC 7,500 800 0.02%
39 CONTANGO OIL & GAS CO COM NEW 8,300 396 0.01%
40 CONCHO RESOURCES 8,400 1,029 0.03%
41 HELMERICH & PAYNE INC 8,800 947 0.03%
42 WATERS CORP 8,800 954 0.03%
43 AMERICAN EXPRESS CO 8,970 808 0.02%
44 PIONEER NAT RES CO 9,300 1,740 0.05%
45 LEVEL 3 COMM 9,700 380 0.01%
46 INTUITIVE SURGICAL INC 9,750 4,270 0.12%
47 COMPUTER SCIENCES CORP 9,900 602 0.02%
48 VALERO ENERGY PARTNERS LP 10,000 396 0.01%
49 COCA COLA CO 10,020 387 0.01%
50 CNOOC LTD 10,100 1,533 0.04%
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