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 1,908
New Positions 416
Increased Positions 839
Decreased Positions 1,008
Positions with Activity 1,847
Sold Out Positions 472
Total Mkt Value (in $ millions) 1,041

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

Sector Weighting

Basic Materials 4.59%
Capital Goods 2.07%
Conglomerates 0.97%
Consumer Cyclical 2.15%
Consumer/Non-Cyclical 1.71%
Energy 9.2%
Financial 8.31%
Healthcare 19.51%
Services 16.18%
Technology 14.44%
Transportation 2.52%
Utilities 1.56%

1,908 Positions as of 12/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
INTERDIGITAL INC COM -154 Sold Out 0
INTERNAP CORP COM PAR $.001 -4 Sold Out 0
INTERNATIONAL BUSINESS MACHS COM -16 Sold Out 0
INTERNATIONAL GAME TECHNOLOGY COM -738 Sold Out 0
INTRAWEST RESORTS HLDGS INC COM -8 Sold Out 0
INVESTMENT TECHNOLOGY GRP NEW COM -12 Sold Out 0
INVESTORS REAL ESTATE TR SH BEN INT -10 Sold Out 0
IRELAND BK SPNSRD ADR NEW -1,543 Sold Out 0
IRONWOOD PHARMACEUTICALS INC COM CL A -83 Sold Out 0
ISHARES S&P GSCI COMMODITY IDX UNIT BEN INT -26 Sold Out 0
JIAYUAN COM INTL LTD SPONSORED ADR -26 Sold Out 0
JINPAN INTL LTD ORD -4 Sold Out 0
JONES ENERGY INC COM CL A -377 Sold Out 0
KBR INC COM -357 Sold Out 0
KEYW HLDG CORP COM -15 Sold Out 0
KFORCE INC COM -10 Sold Out 0
KIMCO RLTY CORP COM -22 Sold Out 0
KINDER MORGAN INC DEL COM -25,566 Sold Out 0
KINDRED HEALTHCARE INC COM -135 Sold Out 0
KIOR INC CL A Sold Out 0


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