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 1,885
New Positions 464
Increased Positions 929
Decreased Positions 915
Positions with Activity 1,844
Sold Out Positions 419
Total Mkt Value (in $ millions) 912

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

Sector Weighting

Basic Materials 3.5%
Capital Goods 1.77%
Conglomerates 0.23%
Consumer Cyclical 2.6%
Consumer/Non-Cyclical 2.59%
Energy 11.2%
Financial 8.13%
Healthcare 16.63%
Services 20.05%
Technology 16.02%
Transportation 2.76%
Utilities 4.38%

1,885 Positions as of 06/30/2014

Company Class Value of Shares ($1,000s) ▲ Change in Value ($1,000s) Change (%) Shares Held
22ND CENTY GROUP INC COM -92 Sold Out 0
AAR CORP COM -13 Sold Out 0
ACURA PHARMACEUTICALS INC COM NEW -1 Sold Out 0
ADVANCED SEMICONDUCTOR ENGR SPONSORED ADR -1 Sold Out 0
ADVENT SOFTWARE INC COM -86 Sold Out 0
AECOM TECHNOLOGY CORP DELAWARE COM -7 Sold Out 0
AEROVIRONMENT INC COM -483 Sold Out 0
AGENUS INC COM NEW -5 Sold Out 0
AGNICO EAGLE MINES LTD COM -3 Sold Out 0
AKORN INC COM -476 Sold Out 0
ALEXANDER & BALDWIN INC NEW COM -105 Sold Out 0
ALEXCO RESOURCE CORP COM -9 Sold Out 0
ALKERMES PLC SHS -115 Sold Out 0
ALLIANCE FIBER OPTIC PRODS INC COM NEW -382 Sold Out 0
ALPHA & OMEGA SEMICONDUCTOR LT SHS -10 Sold Out 0
ALTERA CORP COM -7 Sold Out 0
AMAZON COM INC COM -184 Sold Out 0
AMEDISYS INC COM -199 Sold Out 0
AMERICAN ASSETS TR INC COM -11 Sold Out 0
AMERIGAS PARTNERS L P UNIT L P INT -104 Sold Out 0


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