GROUP ONE TRADING, L.P. Information

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

Report Date: 03/31/2014

Position Statistics

Total Positions 1,918
New Positions 468
Increased Positions 924
Decreased Positions 968
Positions with Activity 1,892
Sold Out Positions 492
Total Mkt Value (in $ millions) 967

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

Sector Weighting

Basic Materials 4.86%
Capital Goods 1.33%
Conglomerates 0.57%
Consumer Cyclical 2.51%
Consumer/Non-Cyclical 1.69%
Energy 14.05%
Financial 6.81%
Healthcare 13.63%
Services 21.68%
Technology 20.57%
Transportation 3.61%
Utilities 4.77%

968 DECREASED Positions as of 03/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
RITE AID CORP COM 10,777 -5,404 (33.4) 1,480,373
AMERICAN CAPITAL AGENCY CORP COM 8,092 -469 (5.47) 345,980
LLOYDS BANKING GROUP PLC SPONSORED ADR 5,873 -48 (0.81) 1,162,991
JIVE SOFTWARE INC COM 4,890 -11,997 (71.04) 627,736
HALCON RES CORP COM NEW 4,365 -1,130 (20.56) 640,044
ILLUMINA INC COM 4,361 -6,483 (59.79) 24,734
ASSURED GUARANTY LTD COM 3,835 -61 (1.56) 163,682
NUANCE COMMUNICATIONS INC COM 3,800 -5,868 (60.69) 214,230
COBALT INTL ENERGY INC COM 3,765 -11,640 (75.56) 225,838
GENWORTH FINL INC COM CL A 3,685 -4,486 (54.9) 224,268
SUNEDISON INC COM 3,418 -11,116 (76.49) 152,711
BAZAARVOICE INC COM 3,322 -497 (13.02) 433,702
OCWEN FINL CORP COM NEW 3,189 -2,166 (40.45) 88,382
ACHILLION PHARMACEUTICALS INC COM 3,135 -1,202 (27.72) 458,974
ACTAVIS PLC SHS 2,912 -7,790 (72.79) 13,459
DRYSHIPS INC SHS 2,671 -1,746 (39.53) 908,421
ITAU UNIBANCO HLDG SA SPON ADR REP PFD 2,423 -1,876 (43.64) 151,346
QLIK TECHNOLOGIES INC COM 2,360 -1,013 (30.02) 105,325
ELDORADO GOLD CORP NEW COM 2,282 -698 (23.43) 306,670
VODAFONE GROUP PLC NEW SPNSR ADR NO PAR 2,128 -2,865 (57.38) 63,860


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