    <SEC-DOCUMENT>0000857005-18-000020-index.html : 20181024
    <SEC-HEADER>0000857005-18-000020.hdr.sgml : 20181024
    <ACCEPTANCE-DATETIME>20181024160517
    ACCESSION NUMBER:		0000857005-18-000020
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		31
    CONFORMED PERIOD OF REPORT:	20181024
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20181024
    DATE AS OF CHANGE:		20181024

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			PTC INC.
    		CENTRAL INDEX KEY:			0000857005
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
    		IRS NUMBER:				042866152
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			0930

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-18059
    		FILM NUMBER:		181136448

    	BUSINESS ADDRESS:
    		STREET 1:		140 KENDRICK STREET
    		CITY:			NEEDHAM
    		STATE:			MA
    		ZIP:			02494
    		BUSINESS PHONE:		7813705000

    	MAIL ADDRESS:
    		STREET 1:		140 KENDRICK STREET
    		CITY:			NEEDHAM
    		STATE:			MA
    		ZIP:			02494

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	PARAMETRIC TECHNOLOGY CORP
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>form8-kq42018earnings.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: form8-kq42018earnings.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>q418pressrelease.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: q418pressrelease.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q418preparedremarks.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: q418preparedremarks.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>q418preparedremarks001.jpg
    <TEXT>
    Document 4 - file: q418preparedremarks001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>q418preparedremarks002.jpg
    <TEXT>
    Document 5 - file: q418preparedremarks002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>q418preparedremarks003.jpg
    <TEXT>
    Document 6 - file: q418preparedremarks003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>q418preparedremarks004.jpg
    <TEXT>
    Document 7 - file: q418preparedremarks004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>q418preparedremarks005.jpg
    <TEXT>
    Document 8 - file: q418preparedremarks005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>q418preparedremarks006.jpg
    <TEXT>
    Document 9 - file: q418preparedremarks006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>q418preparedremarks007.jpg
    <TEXT>
    Document 10 - file: q418preparedremarks007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>q418preparedremarks008.jpg
    <TEXT>
    Document 11 - file: q418preparedremarks008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>q418preparedremarks009.jpg
    <TEXT>
    Document 12 - file: q418preparedremarks009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>q418preparedremarks010.jpg
    <TEXT>
    Document 13 - file: q418preparedremarks010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>q418preparedremarks011.jpg
    <TEXT>
    Document 14 - file: q418preparedremarks011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>q418preparedremarks012.jpg
    <TEXT>
    Document 15 - file: q418preparedremarks012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>q418preparedremarks013.jpg
    <TEXT>
    Document 16 - file: q418preparedremarks013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>q418preparedremarks014.jpg
    <TEXT>
    Document 17 - file: q418preparedremarks014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>q418preparedremarks015.jpg
    <TEXT>
    Document 18 - file: q418preparedremarks015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>q418preparedremarks016.jpg
    <TEXT>
    Document 19 - file: q418preparedremarks016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>q418pressrelease001.jpg
    <TEXT>
    Document 20 - file: q418pressrelease001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>q418pressrelease002.jpg
    <TEXT>
    Document 21 - file: q418pressrelease002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>q418pressrelease003.jpg
    <TEXT>
    Document 22 - file: q418pressrelease003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>q418pressrelease004.jpg
    <TEXT>
    Document 23 - file: q418pressrelease004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>q418pressrelease005.jpg
    <TEXT>
    Document 24 - file: q418pressrelease005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>q418pressrelease006.jpg
    <TEXT>
    Document 25 - file: q418pressrelease006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>q418pressrelease007.jpg
    <TEXT>
    Document 26 - file: q418pressrelease007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>q418pressrelease008.jpg
    <TEXT>
    Document 27 - file: q418pressrelease008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>q418pressrelease009.jpg
    <TEXT>
    Document 28 - file: q418pressrelease009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>q418pressrelease010.jpg
    <TEXT>
    Document 29 - file: q418pressrelease010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>q418pressrelease011.jpg
    <TEXT>
    Document 30 - file: q418pressrelease011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>q418pressrelease012.jpg
    <TEXT>
    Document 31 - file: q418pressrelease012.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>