<SEC-DOCUMENT>0001193125-21-032399-index.html : 20210208
<SEC-HEADER>0001193125-21-032399.hdr.sgml : 20210208
<ACCEPTANCE-DATETIME>20210208163154
ACCESSION NUMBER:		0001193125-21-032399
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20210208
DATE AS OF CHANGE:		20210208
GROUP MEMBERS:		OEP SKNA GP, LLC
GROUP MEMBERS:		OEP VI GENERAL PARTNER, L.P.
GROUP MEMBERS:		OEP VI GP, LTD.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLEGRO MICROSYSTEMS, INC.
		CENTRAL INDEX KEY:			0000866291
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				462405937
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-92108
		FILM NUMBER:		21601841

	BUSINESS ADDRESS:	
		STREET 1:		955 PERIMETER ROAD
		CITY:			MANCHESTER
		STATE:			NH
		ZIP:			03103
		BUSINESS PHONE:		(603) 626-2300

	MAIL ADDRESS:	
		STREET 1:		955 PERIMETER ROAD
		CITY:			MANCHESTER
		STATE:			NH
		ZIP:			03103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLEGRO MICROSYSTEMS INC
		DATE OF NAME CHANGE:	19900730

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OEP SKNA, L.P.
		CENTRAL INDEX KEY:			0001829449
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		510 MADISON AVENUE
		STREET 2:		19TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		(212) 277-1500

	MAIL ADDRESS:	
		STREET 1:		510 MADISON AVENUE
		STREET 2:		19TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d329816dsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: d329816dsc13g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>d329816dex99.htm
<DESCRIPTION>EX-99
<TEXT>
Document 2 - file: d329816dex99.htm

</DOCUMENT>
</SEC-DOCUMENT>