GROUP ONE TRADING, L.P.

Q1 2015 13F Holdings

Location
Chicago, IL
Holdings as of
3/31/2015
Value ($000)
$6,369,518
Num holdings
4,755
Date filed
5/14/2015
Form type
13F-HR
Prev filing
2/11/2015
Next filing
8/11/2015
Sym Issuer Name Cl CUSIP Value ($000) % Shares Principal Option Type