SC 13G | 2003-02-12 | BARCLAYS GLOBAL INVESTORS NA /CA/ | ANSYS INC | 594,476 | 4.1% | EDGAR |
SC 13G/A | 2003-02-11 | BROWN CAPITAL MANAGEMENT INC | ANSYS INC | 1,060,385 | 7.3% | EDGAR |
SC 13G | 2002-10-18 | STADIUM CAPITAL MANAGEMENT LLC | ANSYS INC | 1,208,300 | 8.3% | EDGAR |
SC 13G/A | 2002-09-10 | FMR CORP | ANSYS INC | 1,474,700 | 10.1% | EDGAR |
SC 13G | 2002-07-19 | BROWN CAPITAL MANAGEMENT INC | ANSYS INC | 844,675 | 5.7% | EDGAR |
SC 13G | 2002-02-14 | ADVENT VII L P | ANSYS INC | - | - | EDGAR |
SC 13G | 2002-02-13 | FMR CORP | ANSYS INC | 1,175,000 | 8.1% | EDGAR |
SC 13G/A | 2002-02-12 | WELLINGTON MANAGEMENT CO LLP | ANSYS INC | 259,700 | 1.8% | EDGAR |
SC 13G/A | 2001-05-10 | HEARTLAND ADVISORS INC | ANSYS INC | 9 | 11.0% | EDGAR |
SC 13G | 2001-02-14 | ADVENT VII L P | ANSYS INC | - | - | EDGAR |
SC 13G | 2001-02-13 | WELLINGTON MANAGEMENT CO LLP | ANSYS INC | 1,073,600 | 6.8% | EDGAR |
SC 13G/A | 2001-01-25 | SWANSON JOHN A | ANSYS INC | 9 | 11.0% | EDGAR |
SC 13G/A | 2001-01-16 | HEARTLAND ADVISORS INC | ANSYS INC | 9 | 11.0% | EDGAR |
SC 13G | 2000-10-10 | - | - | - | - | EDGAR |
SC 13G | 2000-02-14 | ADVENT VII L P | ANSYS INC | - | - | EDGAR |
SC 13G | 2000-02-14 | ADVENT VII L P | ANSYS INC | - | - | EDGAR |
SC 13G | 2000-02-14 | ADVENT VII L P | ANSYS INC | - | - | EDGAR |
SC 13G/A | 2000-02-07 | SWANSON JOHN A | ANSYS INC | 9 | 11.0% | EDGAR |
SC 13G/A | 2000-02-07 | SWANSON JOHN A | ANSYS INC | 9 | 11.0% | EDGAR |
SC 13G/A | 2000-02-07 | SWANSON JOHN A | ANSYS INC | 9 | 11.0% | EDGAR |