GROUP ONE TRADING, L.P. Information

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

Report Date: 09/30/2014

Position Statistics

Total Positions 1,887
New Positions 432
Increased Positions 931
Decreased Positions 875
Positions with Activity 1,806
Sold Out Positions 388
Total Mkt Value (in $ millions) 1,154

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

Sector Weighting

Basic Materials 3.65%
Capital Goods 1.63%
Conglomerates 0.85%
Consumer Cyclical 2.85%
Consumer/Non-Cyclical 2.17%
Energy 8.2%
Financial 7.14%
Healthcare 19.12%
Services 16.41%
Technology 15.25%
Transportation 1.95%
Utilities 3.68%

1,887 Positions as of 09/30/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
VERIZON COMMUNICATIONS INC COM 3,221 -1,042 (24.44) 68,311
FIREEYE INC COM 3,220 3,220 New 92,188
HALCON RES CORP COM NEW 3,200 784 32.43 2,162,496
ZIOPHARM ONCOLOGY INC COM 3,148 -1,325 (29.61) 434,874
SUNEDISON INC COM 3,143 3,143 New 162,431
GENWORTH FINL INC COM CL A 2,997 1,478 97.24 415,089
ENDO INTL PLC SHS 2,992 44 1.49 37,931
GOGO INC COM 2,953 -715 (19.49) 208,692
MASCO CORP COM 2,950 -154 (4.96) 119,662
QLIK TECHNOLOGIES INC COM 2,940 -1,389 (32.09) 96,149
T MOBILE US INC COM 2,886 2,886 New 95,680
TABLEAU SOFTWARE INC CL A 2,876 1,189 70.45 34,595
ANGLOGOLD ASHANTI LTD SPONSORED ADR 2,854 2,314 428.89 261,363
CAESARS ENTMT CORP COM 2,837 1,796 172.67 243,276
CNOOC LTD SPONSORED ADR 2,778 157 5.98 20,129
PHARMACYCLICS INC COM 2,692 -10 (0.38) 16,977
NUANCE COMMUNICATIONS INC COM 2,633 -1,931 (42.32) 190,785
EBIX INC COM NEW 2,624 1,023 63.94 111,994
TIME WARNER INC COM NEW 2,612 2,588 10,789.33 32,668
RETAILMENOT INC COM SER 1 2,596 1,943 297.23 170,699


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