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 1,888
New Positions 465
Increased Positions 932
Decreased Positions 915
Positions with Activity 1,847
Sold Out Positions 419
Total Mkt Value (in $ millions) 1,044

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

Sector Weighting

Basic Materials 3.88%
Capital Goods 1.88%
Conglomerates 0.19%
Consumer Cyclical 2.67%
Consumer/Non-Cyclical 3.53%
Energy 12.96%
Financial 7.61%
Healthcare 15.67%
Services 19.72%
Technology 15.89%
Transportation 2.99%
Utilities 4.11%

1,888 Positions as of 06/30/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
AMERICAN RLTY CAP PPTYS INC COM 4,069 1,094 36.76 309,915
PUMA BIOTECHNOLOGY INC COM 3,888 2,008 106.77 15,601
QLIK TECHNOLOGIES INC COM 3,881 994 34.42 141,580
KERYX BIOPHARMACEUTICALS INC COM 3,857 3,720 2,712.55 223,879
CHIMERA INVT CORP COM 3,855 -401 (9.43) 1,197,145
ZOETIS INC CL A 3,785 1,581 71.77 108,452
CNOOC LTD SPONSORED ADR 3,771 225 6.36 18,993
ALLERGAN INC COM 3,734 3,571 2,185.30 22,853
OCWEN FINL CORP COM NEW 3,683 1,252 51.48 133,878
TURQUOISE HILL RES LTD COM 3,667 -222 (5.72) 1,072,127
GOODRICH PETE CORP COM NEW 3,661 2,651 262.59 189,295
YRC WORLDWIDE INC COM PAR $.01 3,655 -725 (16.55) 160,026
AVON PRODS INC COM 3,596 1,279 55.21 253,745
DISH NETWORK CORP CL A 3,463 3,463 New 53,764
ASSURED GUARANTY LTD COM 3,442 -478 (12.19) 143,725
AEGERION PHARMACEUTICALS INC COM 3,424 3,424 New 111,082
NOKIA CORP SPONSORED ADR 3,384 -13,711 (80.2) 409,736
ARENA PHARMACEUTICALS INC COM 3,359 2,878 598.46 803,615
AMERICAN CAPITAL AGENCY CORP COM 3,348 -4,741 (58.61) 143,201
BIOMARIN PHARMACEUTICAL INC COM 3,330 3,330 New 46,971