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 1,901
New Positions 414
Increased Positions 835
Decreased Positions 1,006
Positions with Activity 1,841
Sold Out Positions 470
Total Mkt Value (in $ millions) 1,043

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

Sector Weighting

Basic Materials 4.38%
Capital Goods 2.06%
Conglomerates 1.01%
Consumer Cyclical 2.17%
Consumer/Non-Cyclical 1.77%
Energy 8.82%
Financial 8.28%
Healthcare 19.88%
Services 16.08%
Technology 14.46%
Transportation 2.42%
Utilities 1.99%

1,901 Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
CIVEO CORP COM 10 -100 (90.79) 2,819
LIVEDEAL INC COM NEW 10 10 New 3,124
CVS HEALTH CORP COM 10 -90 (90) 100
DOW CHEM CO COM 10 New 200
BANCORP INC DEL COM 10 2 22.22 1,100
ORION ENERGY SYSTEMS INC COM 10 10 38,750 3,108
FUEL SYS SOLUTIONS INC COM 10 -5 (36.06) 885
INTEL CORP COM 10 10 New 300
CORESITE RLTY CORP COM 10 New 200
AMEC FOSTER WHEELER PLC SPONSORED ADR 10 10 New 678
TOLL BROTHERS INC COM 10 10 New 250
ROSETTA STONE INC COM 10 -7 (43.62) 1,224
UNITED PARCEL SERVICE INC CL B 10 10 New 100
STARBUCKS CORP COM 10 10 New 200
DIGI INTL INC COM 9 9 New 1,000
NORTH EUROPEAN OIL RTY TR SH BEN INT 9 -5 (35.35) 704
PNC FINL SVCS GROUP INC COM 9 New 100
PHARMATHENE INC COM 9 9 New 5,428
IDENTIV INC COM NEW 9 -495 (98.24) 737
SMITH MICRO SOFTWARE INC COM 9 -2 (18.3) 6,699


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