CASTLEARK MANAGEMENT LLC Information

1 N WACKER DR, CHICAGO, Illinois, 60606, (312) 456-9682

Report Date: 03/31/2014

Position Statistics

Total Positions 370
New Positions 55
Increased Positions 141
Decreased Positions 128
Positions with Activity 269
Sold Out Positions 60
Total Mkt Value (in $ millions) 3,581

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

Sector Weighting

Basic Materials 5.72%
Capital Goods 5.51%
Conglomerates 0.24%
Consumer Cyclical 8.44%
Consumer/Non-Cyclical 3.74%
Energy 15.51%
Financial 6.66%
Healthcare 9.33%
Services 12.16%
Technology 22.11%
Transportation 8.2%
Utilities 1.77%

141 INCREASED Positions as of 03/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
EOG RES INC COM 100,408 17,583 21.23 865,960
SOUTHWESTERN ENERGY CO COM 93,174 20,230 27.73 2,244,080
HUNT J B TRANS SVCS INC COM 71,998 3,088 4.48 911,950
BLACKROCK INC COM 67,063 11,029 19.68 211,857
UNION PAC CORP COM 65,656 65,451 31,924 640,480
ORACLE CORP COM 64,500 64,085 15,434.95 1,600,100
HARLEY-DAVIDSON INC COM 58,810 24,632 72.07 910,373
PACCAR INC COM 50,913 18,640 57.76 772,470
NXP SEMICONDUCTORS N V COM 48,205 48,205 New 746,900
HAIN CELESTIAL GROUP INC COM 44,990 44,990 New 516,180
FLEETCOR TECHNOLOGIES INC COM 44,044 8,669 24.51 331,730
PRICELINE GRP INC COM NEW 39,142 39,142 New 31,600
AMAZON COM INC COM 36,172 12,961 55.84 101,000
U S SILICA HLDGS INC COM 34,493 3,384 10.88 572,790
VMWARE INC CL A COM 32,339 32,339 New 342,140
CHICAGO BRIDGE & IRON CO N V COM 31,520 26,773 563.93 450,808
STRATASYS LTD SHS 30,406 5,833 23.74 293,780
SPLUNK INC COM 21,599 21,599 New 456,340
ILLUMINA INC COM 19,672 19,672 New 108,900
BP PLC SPONSORED ADR 17,364 4,576 35.79 339,200