GROUP ONE TRADING, L.P. - AMTECH SYS INC ownership

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of AMTECH SYS INC
ValueSharesWeighting
Q3 2014$4,0003680.00%
Other shareholders

There were no reported owners of AMTECH SYS INC in Q4 2014.

NameSharesValueWeighting ↓
View complete list of AMTECH SYS INC shareholders