GROUP ONE TRADING, L.P. Information

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

Report Date: 12/31/2015

Position Statistics

Total Positions 1,738
New Positions 386
Increased Positions 824
Decreased Positions 844
Positions with Activity 1,668
Sold Out Positions 392
Total Mkt Value (in $ millions) 1,176

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

Sector Weighting

Basic Materials 8.84%
Capital Goods 2.4%
Conglomerates 0.42%
Consumer Cyclical 1.3%
Consumer/Non-Cyclical 5.47%
Energy 8.73%
Financial 8.81%
Healthcare 25.41%
Services 10.36%
Technology 15.06%
Transportation 2.12%
Utilities 2.25%

1,738 Positions as of 12/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
SEADRILL PARTNERS LLC COMUNIT REP LB -6 Sold Out 0
SEARS HLDGS CORP COM -1,703 Sold Out 0
SEARS HOMETOWN & OUTLET STORES COM -11 Sold Out 0
SHUTTERSTOCK INC COM -79 Sold Out 0
SIBANYE GOLD LTD SPONSORED ADR -1,009 Sold Out 0
SIFY TECHNOLOGIES LIMITED SPONSORED ADR -5 Sold Out 0
SILICONWARE PRECISION INDS LTD SPONSD ADR SPL -30 Sold Out 0
SIRIUS XM HLDGS INC COM -1,160 Sold Out 0
SLM CORP COM -134 Sold Out 0
SMART TECHNOLOGIES INC COM SHS New 1
SOCIEDAD QUIMICA MINERA DE CHI SPON ADR SER B -73 Sold Out 0
SOLARCITY CORP COM -86 Sold Out 0
SONY CORP ADR NEW -307 Sold Out 0
SORRENTO THERAPEUTICS INC COM NEW -9 Sold Out 0
SPARK NETWORKS INC COM -58 Sold Out 0
SPECTRANETICS CORP COM -1 Sold Out 0
SPECTRUM PHARMACEUTICALS INC COM -108 Sold Out 0
SPORTSMANS WHSE HLDGS INC COM -30 Sold Out 0
SPROUTS FMRS MKT INC COM -780 Sold Out 0
SS&C TECHNOLOGIES HLDGS INC COM -1 Sold Out 0


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