<SEC-DOCUMENT>0001628280-25-013189.txt : 20250317
<SEC-HEADER>0001628280-25-013189.hdr.sgml : 20250317
<ACCEPTANCE-DATETIME>20250317170554
ACCESSION NUMBER:		0001628280-25-013189
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250313
FILED AS OF DATE:		20250317
DATE AS OF CHANGE:		20250317

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schmanske Mary Vicki
		CENTRAL INDEX KEY:			0001755309
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33072
		FILM NUMBER:		25745501

	MAIL ADDRESS:	
		STREET 1:		11951 FREEDOM DRIVE
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Leidos Holdings, Inc.
		CENTRAL INDEX KEY:			0001336920
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				203562868
		FISCAL YEAR END:			0103

	BUSINESS ADDRESS:	
		STREET 1:		1750 PRESIDENTS STREET
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190
		BUSINESS PHONE:		571-526-6000

	MAIL ADDRESS:	
		STREET 1:		1750 PRESIDENTS STREET
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SAIC, Inc.
		DATE OF NAME CHANGE:	20050823
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ramune M. Kligys by PoA of Mary Vicki Schmanske</signatureName>
        <signatureDate>2025-03-17</signatureDate>
    </ownerSignature>
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