GROUP ONE TRADING, L.P. Information

440 S. LASALLE STREET, CHICAGO, Illinois, 60605, (312) 347-8864

Report Date: 12/31/2014

Position Statistics

Total Positions 1,899
New Positions 413
Increased Positions 835
Decreased Positions 1,004
Positions with Activity 1,839
Sold Out Positions 468
Total Mkt Value (in $ millions) 1,033

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

Sector Weighting

Basic Materials 4.67%
Capital Goods 2.05%
Conglomerates 1.05%
Consumer Cyclical 2.27%
Consumer/Non-Cyclical 1.74%
Energy 9.03%
Financial 8.44%
Healthcare 19.15%
Services 16%
Technology 14.47%
Transportation 2.47%
Utilities 2.05%

1,899 Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
MANITOWOC INC COM 3,700 42 1.14 186,867
UNITED STATES OIL FUND LP UNITS 3,698 3,698 New 181,290
ALIBABA GROUP HLDG LTD SPONSORED ADS 3,693 3,243 720.17 45,503
GREEN PLAINS INC COM 3,537 1,415 66.69 114,011
KINROSS GOLD CORP COM NO PAR 3,503 -1,189 (25.34) 1,435,660
BLACKSTONE GROUP L P COM UNIT LTD 3,492 -1,464 (29.54) 83,649
BANCO SANTANDER SA ADR 3,425 3,193 1,374.81 454,285
MARKWEST ENERGY PARTNERS L P UNIT LTD PARTN 3,394 3,394 New 50,154
E-COMMERCE CHINA DANGDANG INC SPN ADS COM A 3,371 -622 (15.57) 356,763
WHITEWAVE FOODS CO COM 3,338 -2,138 (39.04) 75,955
JETBLUE AIRWAYS CORP COM 3,163 2,690 568.93 146,724
LIBERTY GLOBAL PLC SHS CL A 3,032 669 28.34 57,086
ZIOPHARM ONCOLOGY INC COM 3,020 -1,120 (27.06) 317,178
YAMANA GOLD INC COM 2,994 -257 (7.91) 785,778
HALLIBURTON CO COM 2,962 2,957 60,214 60,314
MGIC INVT CORP WIS COM 2,872 78 2.80 277,192
ARUBA NETWORKS INC COM 2,798 -1,860 (39.93) 113,706
EBIX INC COM NEW 2,795 -336 (10.73) 99,982
CANADIAN SOLAR INC COM 2,751 -2,049 (42.7) 75,855
RESTAURANT BRANDS INTL INC COM 2,749 2,749 New 66,441