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 1,906
New Positions 416
Increased Positions 837
Decreased Positions 1,008
Positions with Activity 1,845
Sold Out Positions 471
Total Mkt Value (in $ millions) 1,028

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

Sector Weighting

Basic Materials 4.66%
Capital Goods 2.11%
Conglomerates 0.99%
Consumer Cyclical 2.17%
Consumer/Non-Cyclical 1.73%
Energy 8.32%
Financial 8.29%
Healthcare 19.64%
Services 16.24%
Technology 14.76%
Transportation 2.51%
Utilities 1.96%

1,906 Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
UNITED PARCEL SERVICE INC CL B 10 10 New 100
SMITH MICRO SOFTWARE INC COM 10 -2 (18.3) 6,699
INTEL CORP COM 10 10 New 300
NANOVIRICIDES INC COM NEW 10 10 New 3,773
NORTH EUROPEAN OIL RTY TR SH BEN INT 10 -5 (35.35) 704
DOW CHEM CO COM 10 New 200
CARTER'S, INC. COM 10 -69 (87.74) 109
STEALTHGAS INC SHS 10 10 New 1,569
FUEL SYS SOLUTIONS INC COM 10 -5 (36.06) 885
TOLL BROTHERS INC COM 10 10 New 250
GREAT PANTHER SILVER LTD COM 9 New 15,432
HORSEHEAD HLDG CORP COM 9 -47 (83.08) 739
CORESITE RLTY CORP COM 9 New 200
REGIONAL MGMT CORP COM 9 New 600
STARBUCKS CORP COM 9 9 New 100
ORTHOFIX INTL N V COM 9 -95 (91.12) 286
AMERESCO INC CL A 9 New 1,481
LIVEDEAL INC COM NEW 9 9 New 3,124
PNC FINL SVCS GROUP INC COM 9 New 100
SOUTHERN CO COM 9 9 New 200