GROUP ONE TRADING, L.P. Information

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

Report Date: 12/31/2015

Position Statistics

Total Positions 1,738
New Positions 387
Increased Positions 825
Decreased Positions 843
Positions with Activity 1,668
Sold Out Positions 392
Total Mkt Value (in $ millions) 1,159

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

Sector Weighting

Basic Materials 9.44%
Capital Goods 2.41%
Conglomerates 0.41%
Consumer Cyclical 1.29%
Consumer/Non-Cyclical 5.57%
Energy 8.57%
Financial 8.12%
Healthcare 25.44%
Services 10.17%
Technology 14.84%
Transportation 2.03%
Utilities 2.21%

1,738 Positions as of 12/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
YPF SOCIEDAD ANONIMA SPON ADR CL D 8,920 536 6.39 443,363
VANECK VECTORS ETF TR GOLD MINERS ETF 8,413 1,788 26.99 331,333
FREEPORT-MCMORAN INC CL B 8,243 6,961 542.83 608,359
GILEAD SCIENCES INC COM 7,920 3,350 73.30 88,994
CONSOL ENERGY INC COM 7,755 1,107 16.66 502,910
ADVANCED MICRO DEVICES INC COM 7,666 2,785 57.05 2,049,780
VALE S A ADR 7,440 3,347 81.77 1,316,761
RANGE RES CORP COM 7,408 1,002 15.64 170,152
HERBALIFE LTD COM USD SHS 7,396 7,396 New 126,256
TWITTER INC COM 7,306 3,112 74.20 507,337
WILLIAMS COS INC DEL COM 6,953 6,953 New 369,650
CABLEVISION SYS CORP CL A NY CABLVS 6,806 -7,882 (53.66) 202,252
3-D SYS CORP DEL COM NEW 6,787 2,476 57.43 409,355
CONTINENTAL RESOURCES INC COM 6,533 3,552 119.11 171,884
REYNOLDS AMERICAN INC COM 6,475 3,193 97.30 130,467
PENNEY J C INC COM 6,116 -382 (5.88) 635,777
DANAHER CORP DEL COM 5,795 587 11.26 59,501
UNITED STATES OIL FUND LP UNITS 5,728 3,762 191.39 518,362
TECK RESOURCES LTD CL B 5,658 4,985 740.77 466,096
POWERSHS DB US DOLLAR INDEX TR DOLL INDX BULL 5,500 -3,435 (38.44) 229,088