| SC 13G/A | 2008-10-09 | ARTISAN PARTNERS LTD PARTNERSHIP | LTX-CREDENCE CORP | 6,747,700 | 5.4% | EDGAR |
| SC 13G | 2008-10-07 | DIMENSIONAL FUND ADVISORS INC | LTX-CREDENCE CORP | 7,018,136 | 5.6% | EDGAR |
| SC 13G/A | 2008-07-09 | ARTISAN PARTNERS LTD PARTNERSHIP | LTX CORP | 6,912,800 | 11.0% | EDGAR |
| SC 13G/A | 2008-02-14 | FMR LLC | LTX CORP | 9,365,943 | 15.0% | EDGAR |
| SC 13G/A | 2008-02-13 | ARTISAN PARTNERS LTD PARTNERSHIP | LTX CORP | 6,242,200 | 10.0% | EDGAR |
| SC 13G/A | 2008-02-13 | RENAISSANCE TECHNOLOGIES LLC | LTX CORP | 4,455,942 | 7.1% | EDGAR |
| SC 13G/A | 2008-02-08 | STATE OF WISCONSIN INVESTMENT BOARD | LTX CORP | - | 16.2% | EDGAR |
| SC 13G/A | 2008-01-22 | BARCLAYS GLOBAL INVESTORS NA /CA/ | LTX CORP | 1,958,340 | 3.1% | EDGAR |
| SC 13G | 2007-10-17 | STATE OF WISCONSIN INVESTMENT BOARD | LTX CORP | - | 12.8% | EDGAR |
| SC 13G/A | 2007-09-10 | FMR CORP | LTX CORP | 9,163,781 | 14.7% | EDGAR |
| SC 13G/A | 2007-06-08 | ARTISAN PARTNERS LTD PARTNERSHIP | LTX CORP | 6,751,800 | 10.9% | EDGAR |
| SC 13G/A | 2007-05-10 | FMR CORP | LTX CORP | 4,017,704 | 6.5% | EDGAR |
| SC 13G/A | 2007-03-16 | RENAISSANCE TECHNOLOGIES CORP | LTX CORP | 3,526,987 | 5.7% | EDGAR |
| SC 13G/A | 2007-02-14 | FMR CORP | LTX CORP | 9,090,210 | 14.7% | EDGAR |
| SC 13G | 2007-02-12 | RENAISSANCE TECHNOLOGIES CORP | LTX CORP | 3,526,987 | 5.7% | EDGAR |
| SC 13G/A | 2007-01-26 | ARTISAN PARTNERS LTD PARTNERSHIP | LTX CORP | 6,032,500 | 9.7% | EDGAR |
| SC 13G | 2007-01-23 | BARCLAYS GLOBAL INVESTORS NA /CA/ | LTX CORP | 5,115,390 | 8.2% | EDGAR |
| SC 13G/A | 2006-10-10 | FMR CORP | LTX CORP | 8,222,573 | 13.3% | EDGAR |
| SC 13G/A | 2006-08-10 | FMR CORP | LTX CORP | 3,111,213 | 5.0% | EDGAR |
| SC 13G | 2006-08-09 | BARCLAYS GLOBAL INVESTORS NA /CA/ | LTX CORP | 5,481,756 | 8.9% | EDGAR |