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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001086364-11-002273
Filing Date
2011-02-02
Accepted
2011-02-02 16:09:30
Documents
1

Document Format Files

Seq Description Document Type Size
1 ansysinc123110.txt SC 13G/A 11344
  Complete submission text file 0001086364-11-002273.txt   13494
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)

IRS No.: 043219960 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-49199 | Film No.: 11566694
SIC: 7372 Services-Prepackaged Software

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 0226
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies