<SEC-DOCUMENT>0001193125-21-054893-index.html : 20210224
<SEC-HEADER>0001193125-21-054893.hdr.sgml : 20210224
<ACCEPTANCE-DATETIME>20210224172641
ACCESSION NUMBER:		0001193125-21-054893
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20210224
DATE AS OF CHANGE:		20210224
EFFECTIVENESS DATE:		20210224

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ANSYS INC
		CENTRAL INDEX KEY:			0001013462
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				043219960
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-253472
		FILM NUMBER:		21675006

	BUSINESS ADDRESS:	
		STREET 1:		2600 ANSYS DRIVE, SOUTHPOINTE
		CITY:			CANONSBURG
		STATE:			PA
		ZIP:			15317
		BUSINESS PHONE:		8444626797

	MAIL ADDRESS:	
		STREET 1:		2600 ANSYS DRIVE, SOUTHPOINTE
		CITY:			CANONSBURG
		STATE:			PA
		ZIP:			15317
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>d130718ds3asr.htm
<DESCRIPTION>FORM S-3ASR
<TEXT>
Document 1 - file: d130718ds3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d130718dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d130718dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d130718dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d130718dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g1307181.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g1307181.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g130718g77a88.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g130718g77a88.jpg

</DOCUMENT>
</SEC-DOCUMENT>