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 386
Increased Positions 824
Decreased Positions 844
Positions with Activity 1,668
Sold Out Positions 392
Total Mkt Value (in $ millions) 1,161

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

Sector Weighting

Basic Materials 9.57%
Capital Goods 2.41%
Conglomerates 0.42%
Consumer Cyclical 1.28%
Consumer/Non-Cyclical 5.49%
Energy 8.71%
Financial 8.84%
Healthcare 25.26%
Services 10.12%
Technology 14.89%
Transportation 2.03%
Utilities 2.23%

386 New Positions as of 12/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
VALEANT PHARMACEUTICALS INTL I COM 13,790 13,790 New 413,358
TYSON FOODS INC CL A 10,302 10,302 New 156,517
HERBALIFE LTD COM USD SHS 7,317 7,317 New 126,256
WILLIAMS COS INC DEL COM 7,168 7,168 New 369,650
UNITED STATES NATL GAS FUND LP UNIT PAR $0.001 5,378 5,378 New 776,068
SOUTHWEST AIRLS CO COM 4,643 4,643 New 104,082
CALATLANTIC GROUP INC COM 3,706 3,706 New 114,482
COMMUNITY HEALTH SYS INC NEW COM 2,801 2,801 New 146,786
WAL-MART STORES INC COM 2,800 2,800 New 41,871
DIAMOND OFFSHORE DRILLING INC COM 2,763 2,763 New 113,896
BARCLAYS BK PLC IPATH S&P500 VIX 2,686 2,686 New 159,624
POSCO SPONSORED ADR 2,532 2,532 New 48,680
CHICAGO BRIDGE & IRON CO N V COM 2,447 2,447 New 60,802
LUMBER LIQUIDATORS HLDGS INC COM 2,386 2,386 New 160,005
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 2,158 2,158 New 173,623
POWERSHARES DB CMDTY IDX TRACK UNIT BEN INT 2,128 2,128 New 145,924
GENWORTH FINL INC COM CL A 1,992 1,992 New 580,686
ALIBABA GROUP HLDG LTD SPONSORED ADS 1,989 1,989 New 25,852
MCDONALDS CORP COM 1,880 1,880 New 14,862
GOPRO INC CL A 1,693 1,693 New 133,945