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ACCESSION NUMBER:		0001193125-25-186430
CONFORMED SUBMISSION TYPE:	POS EX
PUBLIC DOCUMENT COUNT:		22
FILED AS OF DATE:		20250822
DATE AS OF CHANGE:		20250822
EFFECTIVENESS DATE:		20250822

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Multi-Sector Income Trust
		CENTRAL INDEX KEY:			0001562818
		ORGANIZATION NAME:           	
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		POS EX
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-285442
		FILM NUMBER:		251246380

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809-3700
		BUSINESS PHONE:		800-882-0052

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809-3700

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock Fixed Income Strategic Opportunities
		DATE OF NAME CHANGE:	20121126
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