GROUP ONE TRADING, L.P. Information

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

Report Date: 12/31/2013

Position Statistics

Total Positions 1,867
New Positions 491
Increased Positions 1,006
Decreased Positions 833
Positions with Activity 1,839
Sold Out Positions 409
Total Mkt Value (in $ millions) 888

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

Sector Weighting

Basic Materials 4.63%
Capital Goods 2.13%
Conglomerates 1.04%
Consumer Cyclical 2.68%
Consumer/Non-Cyclical 1.83%
Energy 14.97%
Financial 9.76%
Healthcare 13.54%
Services 21.27%
Technology 20.99%
Transportation 2.36%
Utilities 3.45%

1,867 Positions as of 12/31/2013

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
YONGYE INTL INC COM 4,551 -1,592 (25.92) 653,896
VERIFONE SYS INC COM 4,404 -1,970 (30.91) 139,931
SAREPTA THERAPEUTICS INC COM 4,391 4,182 1,999.04 193,678
KODIAK OIL & GAS CORP COM 4,373 174 4.15 327,046
ICAHN ENTERPRISES LP DEPOSITARY UNIT 4,302 3,486 427.14 47,395
MAGICJACK VOCALTEC LTD SHS 4,289 2,020 89.03 225,525
HALCON RES CORP COM NEW 4,157 1,944 87.81 805,702
ADVANCED MICRO DEVICES INC COM 4,134 3,162 325.65 1,090,643
ASSURED GUARANTY LTD COM 3,936 -502 (11.32) 166,279
RF MICRODEVICES INC COM 3,858 3,858 New 486,517
LINNCO LLC COMSHS LTD INT 3,835 3,835 New 141,461
QLIK TECHNOLOGIES INC COM 3,793 3,363 783.30 150,506
PHARMACYCLICS INC COM 3,771 -1,173 (23.72) 41,047
ITAU UNIBANCO HLDG SA SPON ADR REP PFD 3,706 2,512 210.44 244,136
HERTZ GLOBAL HOLDINGS INC COM 3,700 -1,684 (31.28) 141,099
ATLAS ENERGY LP COM UNITS LP 3,671 3,437 1,470.82 87,856
ABBVIE INC COM 3,654 -847 (18.82) 76,344
CURRENCYSHS JAPANESE YEN TR JAPANESE YEN 3,646 1,915 110.63 38,058
BAZAARVOICE INC COM 3,530 3,281 1,318.13 498,627
ENERGEN CORP COM 3,449 3,233 1,496.43 43,311


Create your free portfolio