GROUP ONE TRADING, L.P. - TGC INDS INC ownership

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of TGC INDS INC
ValueSharesWeighting
Q2 2013$1,0001000.00%
Other shareholders

There were no reported owners of TGC INDS INC in Q3 2013.

NameSharesValueWeighting ↓
View complete list of TGC INDS INC shareholders