<SEC-DOCUMENT>0001140361-15-008630-index.html : 20150224
<SEC-HEADER>0001140361-15-008630.hdr.sgml : 20150224
<ACCEPTANCE-DATETIME>20150224145415
ACCESSION NUMBER:		0001140361-15-008630
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150224
DATE AS OF CHANGE:		20150224

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATIONAL INSTRUMENTS CORP /DE/
		CENTRAL INDEX KEY:			0000935494
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				741871327
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-49937
		FILM NUMBER:		15643065

	BUSINESS ADDRESS:	
		STREET 1:		11500 NORTH MOPAC EXPRESSWAY
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78759
		BUSINESS PHONE:		5123389119

	MAIL ADDRESS:	
		STREET 1:		11500 NORTH MOPAC EXPRESSWAY
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78759

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			James J. Truchard Marital Trust
		CENTRAL INDEX KEY:			0001634642
		IRS NUMBER:				466140526

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		3816 HUNTERWOOD POINT
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78746
		BUSINESS PHONE:		512-970-9886

	MAIL ADDRESS:	
		STREET 1:		3816 HUNTERWOOD POINT
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78746
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>doc1.htm
<DESCRIPTION>NONE
<TEXT>
Document 1 - file: doc1.htm

</DOCUMENT>
</SEC-DOCUMENT>