GROUP ONE TRADING, L.P. Information

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

Report Date: 06/30/2014

Position Statistics

Total Positions 1,887
New Positions 465
Increased Positions 930
Decreased Positions 916
Positions with Activity 1,846
Sold Out Positions 420
Total Mkt Value (in $ millions) 1,014

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

Sector Weighting

Basic Materials 3.68%
Capital Goods 1.86%
Conglomerates 0.22%
Consumer Cyclical 2.61%
Consumer/Non-Cyclical 2.39%
Energy 12.57%
Financial 7.71%
Healthcare 16.33%
Services 19.62%
Technology 16.12%
Transportation 3.14%
Utilities 4.17%

1,887 Positions as of 06/30/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
ASTRAZENECA PLC SPONSORED ADR 7,655 7,655 New 102,444
BOARDWALK PIPELINE PARTNERS LP UT LTD PARTNER 7,647 1,132 17.37 397,678
VODAFONE GROUP PLC NEW SPNSR ADR NO PAR 7,532 5,416 255.99 227,332
HALCON RES CORP COM NEW 7,365 4,478 155.13 1,632,969
TALISMAN ENERGY INC COM 6,971 3,083 79.28 761,060
VALEANT PHARMACEUTICALS INTL I COM 6,882 1,993 40.76 58,604
RITE AID CORP COM 6,766 -1,154 (14.57) 1,264,635
DEUTSCHE BANK AG NAMEN AKT 6,677 5,890 748.06 185,429
IRON MTN INC COM 6,642 745 12.64 186,319
SPRINT CORP COM SER 1 6,343 2,285 56.32 921,953
APOLLO GLOBAL MGMT LLC CL A SHS 6,254 4,224 208.01 276,112
GROUPON INC COM CL A 6,251 -1,199 (16.09) 896,879
DOLLAR GEN CORP NEW COM 5,968 3,327 125.98 94,582
KINROSS GOLD CORP COM NO PAR 5,937 2,251 61.05 1,677,083
NEUSTAR INC CL A 5,892 5,287 873.56 230,236
ACTAVIS PLC SHS 5,392 2,138 65.68 22,299
PERRIGO CO PLC SHS 5,377 -340 (5.95) 36,512
NUANCE COMMUNICATIONS INC COM 5,183 1,826 54.39 330,739
NQ MOBILE INC ADR REPSTG CL A 5,139 -575 (10.06) 859,438
SOUTHWEST AIRLS CO COM 5,125 -1,813 (26.13) 148,282