S |
2008-02-14 11:13:53.0 |
WILLBROS GROUP INC |
WG |
KEELEY ASSET MANAGEMENT CORP |
10.0% |
view |
B |
2007-01-19 16:21:21.0 |
POWELL INDUSTRIES INC |
POWL |
RENAISSANCE TECHNOLOGIES LLC |
4.89% |
view |
S |
2020-02-12 12:04:35.0 |
POWELL INDUSTRIES INC |
POWL |
DIMENSIONAL FUND ADVISORS LP |
8.15% |
view |