    <SEC-DOCUMENT>0001628280-25-013184-index.html : 20250317
    <SEC-HEADER>0001628280-25-013184.hdr.sgml : 20250317
    <ACCEPTANCE-DATETIME>20250317170223
    ACCESSION NUMBER:		0001628280-25-013184
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		4
    FILED AS OF DATE:		20250317
    DATE AS OF CHANGE:		20250317

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-33072
    		FILM NUMBER:		25745456

    	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>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>a2025leidosna.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: a2025leidosna.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>a06_435467-1xlogoleidos.jpg
    <TEXT>
    Document 2 - file: a06_435467-1xlogoleidos.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>leidosholdingsinc_cvxnaxp2.jpg
    <TEXT>
    Document 3 - file: leidosholdingsinc_cvxnaxp2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>leidosholdingsinc_cvxnaxp2a.jpg
    <TEXT>
    Document 4 - file: leidosholdingsinc_cvxnaxp2a.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>