    <SEC-DOCUMENT>0001140361-25-010871-index.html : 20250328
    <SEC-HEADER>0001140361-25-010871.hdr.sgml : 20250328
    <ACCEPTANCE-DATETIME>20250328080008
    ACCESSION NUMBER:		0001140361-25-010871
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250328
    DATE AS OF CHANGE:		20250328
    EFFECTIVENESS DATE:		20250328

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			INTEGRAL AD SCIENCE HOLDING CORP.
    		CENTRAL INDEX KEY:			0001842718
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
    		ORGANIZATION NAME:           	06 Technology
    		EIN:				830731995
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-40557
    		FILM NUMBER:		25781532

    	BUSINESS ADDRESS:
    		STREET 1:		99 WALL STREET
    		STREET 2:		#1950
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10005
    		BUSINESS PHONE:		(646) 278-4871

    	MAIL ADDRESS:
    		STREET 1:		99 WALL STREET
    		STREET 2:		#1950
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10005

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	INTEGRAL AD SCIENCE HOLDING LLC
    		DATE OF NAME CHANGE:	20210301

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	KAVACHA TOPCO, LLC
    		DATE OF NAME CHANGE:	20210127
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>ef20046354_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: ef20046354_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>