GROUP ONE TRADING, L.P. - MATTSON TECHNOLOGY INC ownership

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of MATTSON TECHNOLOGY INC
ValueSharesWeighting
Q1 2015$1,0000.0%200
-33.3%
0.00%
Q3 2013$1,0000.0%3000.0%0.00%
Q2 2013$1,0003000.00%
Other shareholders

There were no reported owners of MATTSON TECHNOLOGY INC in Q4 2013.

NameSharesValueWeighting ↓
View complete list of MATTSON TECHNOLOGY INC shareholders