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CONFORMED SUBMISSION TYPE:	S-1
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FILED AS OF DATE:		20201006
DATE AS OF CHANGE:		20201006

FILER:

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

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		CITY:			WORCESTER
		STATE:			MA
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