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%

1,705 Positions as of 03/31/2016

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
TELEFONICA S A SPONSORED ADR 2,686 2,207 460.38 265,973
CABLEVISION SYS CORP CL A NY CABLVS 2,676 -4,318 (61.74) 77,386
HELMERICH & PAYNE INC COM 2,663 2,614 5,327.91 45,703
COMERICA INC COM 2,603 -858 (24.8) 57,643
ACTIVISION BLIZZARD INC COM 2,550 1,445 130.76 67,597
AERCAP HOLDINGS NV SHS 2,489 1,979 387.86 67,315
GENWORTH FINL INC COM CL A 2,448 370 17.78 683,912
POST HLDGS INC COM 2,433 2,166 808.55 32,844
SOUTHWESTERN ENERGY CO COM 2,414 2,414 New 201,294
APOLLO GLOBAL MGMT LLC CL A SHS 2,392 -473 (16.51) 147,860
VIRGIN AMER INC COM VTG 2,371 2,371 New 42,605
YELP INC CL A 2,332 -1,836 (44.05) 93,674
SALESFORCE COM INC COM 2,328 2,328 New 28,484
SIGNET JEWELERS LIMITED SHS 2,325 2,325 New 21,535
ULTRA PETROLEUM CORP COM 2,306 2,187 1,828.04 2,897,131
CHICAGO BRIDGE & IRON CO N V COM 2,269 31 1.37 61,637
PG&E CORP COM 2,267 2,267 New 39,350
E HOUSE CHINA HLDGS LTD ADR 2,252 1,035 85.03 347,568
BOSTON SCIENTIFIC CORP COM 2,215 1,938 698.59 99,073
BLUEBIRD BIO INC COM 2,210 504 29.54 52,140


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