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) 968

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

Sector Weighting

Basic Materials 4.87%
Capital Goods 1.31%
Conglomerates 0.57%
Consumer Cyclical 2.49%
Consumer/Non-Cyclical 1.67%
Energy 13.96%
Financial 6.84%
Healthcare 13.81%
Services 21.62%
Technology 20.53%
Transportation 3.55%
Utilities 4.77%

468 New Positions as of 03/31/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
NOKIA CORP SPONSORED ADR 17,054 17,054 New 2,069,677
AMERICAN AIRLS GROUP INC COM 14,057 14,057 New 337,271
JAZZ PHARMACEUTICALS PLC SHS USD 10,448 10,448 New 73,315
INTERMUNE INC COM 7,655 7,655 New 168,241
TESLA MTRS INC COM 7,591 7,591 New 33,955
T-MOBILE US INC COM 6,265 6,265 New 200,855
PERRIGO CO PLC SHS 6,017 6,017 New 38,822
SUPERVALU INC COM 4,229 4,229 New 453,278
TURQUOISE HILL RES LTD COM 3,991 3,991 New 1,137,108
SINCLAIR BROADCAST GROUP INC CL A 3,865 3,865 New 115,004
E HOUSE CHINA HLDGS LTD ADR 3,180 3,180 New 278,194
GT ADVANCED TECHNOLOGIES INC COM 2,844 2,844 New 190,756
IDENIX PHARMACEUTICALS INC COM 2,761 2,761 New 113,475
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 2,469 2,469 New 41,295
CHARTER COMMUNICATIONS INC DEL CL A NEW 2,111 2,111 New 13,005
CROCS INC COM 2,037 2,037 New 125,294
CHINA MOBILE LIMITED SPONSORED ADR 1,995 1,995 New 36,652
TWENTY FIRST CENTY FOX INC CL A 1,779 1,779 New 54,224
IRELAND BK SPNSRD ADR NEW 1,618 1,618 New 111,601
GALENA BIOPHARMA INC COM 1,605 1,605 New 545,826


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