<SEC-DOCUMENT>0000899140-18-000200-index.html : 20180214
<SEC-HEADER>0000899140-18-000200.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214131653
ACCESSION NUMBER:		0000899140-18-000200
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214
GROUP MEMBERS:		GEORGE S. LOENING

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIO-TECHNE Corp
		CENTRAL INDEX KEY:			0000842023
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				411427402
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-42508
		FILM NUMBER:		18610303

	BUSINESS ADDRESS:	
		STREET 1:		614 MCKINLEY PL N E
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55413
		BUSINESS PHONE:		6123798854

	MAIL ADDRESS:	
		STREET 1:		614 MCKINLEY PLACE NE
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55413

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TECHNE CORP /MN/
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Select Equity Group, L.P.
		CENTRAL INDEX KEY:			0001592643
		IRS NUMBER:				463465710
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		380 LAFAYETTE STREET
		STREET 2:		6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
		BUSINESS PHONE:		212 475-8335

	MAIL ADDRESS:	
		STREET 1:		380 LAFAYETTE STREET
		STREET 2:		6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>s23533633a.htm
<DESCRIPTION>SCHEDULE 13G/A, AMENDMENT #1
<TEXT>
Document 1 - file: s23533633a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>s23533633b.htm
<DESCRIPTION>CLASSIFICATION OF THE RELEVANT SUBSIDIARY
<TEXT>
Document 2 - file: s23533633b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image0.jpg
<TEXT>
Document 3 - file: image0.jpg

</DOCUMENT>
</SEC-DOCUMENT>