GROUP ONE TRADING, L.P. Information

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

Report Date: 03/31/2016

Position Statistics

Total Positions 1,705
New Positions 364
Increased Positions 683
Decreased Positions 949
Positions with Activity 1,632
Sold Out Positions 515
Total Mkt Value (in $ millions) 911

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

Sector Weighting

Basic Materials 11.65%
Capital Goods 1.7%
Conglomerates 0.54%
Consumer Cyclical 0.94%
Consumer/Non-Cyclical 2.64%
Energy 7.64%
Financial 10.82%
Healthcare 21.18%
Services 10.04%
Technology 16.68%
Transportation 1.81%
Utilities 2.13%

515 Sold Out Positions as of 03/31/2016

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
3-D SYS CORP DEL COM NEW -5,039 Sold Out 0
A10 NETWORKS INC COM -40 Sold Out 0
AAC HLDGS INC COM -8 Sold Out 0
AAR CORP COM -20 Sold Out 0
ABB LTD SPONSORED ADR -692 Sold Out 0
ACADIA PHARMACEUTICALS COM -1,139 Sold Out 0
ACETO CORP COM -5 Sold Out 0
ACI WORLDWIDE INC COM -13 Sold Out 0
ACTUANT CORP CL A NEW -52 Sold Out 0
ADAMAS PHARMACEUTICALS INC COM -37 Sold Out 0
ADAMIS PHARMACEUTICALS CORP COM NEW -2 Sold Out 0
ADEPTUS HEALTH INC CL A -630 Sold Out 0
ADVANTAGE OIL & GAS LTD COM -15 Sold Out 0
AECOM COM -107 Sold Out 0
AEGERION PHARMACEUTICALS INC COM -85 Sold Out 0
AERIE PHARMACEUTICALS INC COM -73 Sold Out 0
AES CORP COM -13 Sold Out 0
AIR METHODS CORP COM PAR $.06 -47 Sold Out 0
AIRMEDIA GROUP INC SPONSORED ADR -150 Sold Out 0
AK STL HLDG CORP COM -1,351 Sold Out 0