Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000912938-05-000099
Filing Date
2005-02-01
Accepted
2005-02-01 14:16:35
Documents
1

Document Format Files

Seq Description Document Type Size
1 ANSYS ansys.txt SC 13G 7146
  Complete submission text file 0000912938-05-000099.txt   8701
Mailing Address 500 BOYLSTON STREET 15TH FLOOR BOSTON MA 02116
Business Address 500 BOYLSTON ST 15TH FL BOSTON MA 02116 18006372929
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (Filed by) CIK: 0000912938 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

Mailing Address 275 TECHNOLOGY DRIVE, SOUTHPOINTE CANONSBURG PA 15317
Business Address 275 TECHNOLOGY DRIVE, SOUTHPOINTE CANONSBURG PA 15317 4127643304
ANSYS INC (Subject) CIK: 0001013462 (see all company filings)

EIN.: 043219960 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-49199 | Film No.: 05565229
SIC: 7372 Services-Prepackaged Software