CASTLEARK MANAGEMENT LLC Information

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

Report Date: 12/31/2014

Position Statistics

Total Positions 455
New Positions 149
Increased Positions 216
Decreased Positions 212
Positions with Activity 428
Sold Out Positions 115
Total Mkt Value (in $ millions) 4,040

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

Sector Weighting

Basic Materials 1.86%
Capital Goods 1.87%
Conglomerates 0.55%
Consumer Cyclical 7.32%
Consumer/Non-Cyclical 4.37%
Energy 6.92%
Financial 11.82%
Healthcare 12.77%
Services 15.83%
Technology 23.29%
Transportation 8.06%
Utilities 1.97%

455 Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
ACUITY BRANDS INC COM 16,410 16,410 New 97,585
FIESTA RESTAURANT GROUP INC COM 16,269 8,228 102.33 266,712
AMAG PHARMACEUTICALS INC COM 16,065 16,065 New 293,913
HORIZON PHARMA PLC SHS 15,621 -2,842 (15.39) 601,500
JETBLUE AIRWAYS CORP COM 15,604 -735 (4.5) 810,583
XPO LOGISTICS INC COM 15,599 15,599 New 343,065
HEARTLAND EXPRESS INC COM 15,532 5,685 57.72 653,723
GRAPHIC PACKAGING HLDG CO COM 15,189 15,189 New 1,044,660
ENVISION HEALTHCARE HLDGS INC COM 15,183 5,636 59.03 395,899
IMAX CORP COM 15,139 15,139 New 449,085
BRUNSWICK CORP COM 15,068 15,068 New 292,875
INTEGRATED DEVICE TECHNOLOGY COM 14,904 1,057 7.63 744,454
CONSTANT CONTACT INC COM 14,726 6,837 86.67 385,390
PROOFPOINT INC COM 14,555 -1,364 (8.57) 245,775
ABIOMED INC COM 14,554 14,554 New 203,325
PACWEST BANCORP DEL COM 14,152 1,408 11.05 301,811
LENNAR CORP CL A 14,066 8,290 143.50 271,500
INFINERA CORPORATION COM 14,061 14,061 New 714,856
KINDER MORGAN INC DEL COM 14,041 12,502 812.23 333,831
LOGMEIN INC COM 13,973 3,371 31.79 249,565