SWANSON JOHN A

Related Filers (1)

Ownership (6)

SC 13G/A
Thursday, 1/25/2001
ANSYS INC: Major Shareholders
SC 13G/A
Monday, 2/7/2000
ANSYS INC: Major Shareholders
SC 13G/A
Friday, 2/26/1999
ANSYS INC: Major Shareholders
SC 13G
Friday, 2/13/1998
ANSYS INC: Major Shareholders
SC 13G/A
Wednesday, 3/12/1997
ANSYS INC: Major Shareholders
SC 13G
Thursday, 2/13/1997
ANSYS INC: Major Shareholders
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