    <SEC-DOCUMENT>0001193125-26-193970-index.html : 20260430
    <SEC-HEADER>0001193125-26-193970.hdr.sgml : 20260430
    <ACCEPTANCE-DATETIME>20260430071516
    ACCESSION NUMBER:		0001193125-26-193970
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20251231
    FILED AS OF DATE:		20260430
    DATE AS OF CHANGE:		20260430
    EFFECTIVENESS DATE:		20260430

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Q32 Bio Inc.
    		CENTRAL INDEX KEY:			0001661998
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				473468154
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38433
    		FILM NUMBER:		26920050

    	BUSINESS ADDRESS:
    		STREET 1:		830 WINTER STREET
    		CITY:			WALTHAM
    		STATE:			MA
    		ZIP:			02451
    		BUSINESS PHONE:		781-999-0232

    	MAIL ADDRESS:
    		STREET 1:		830 WINTER STREET
    		CITY:			WALTHAM
    		STATE:			MA
    		ZIP:			02451

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Homology Medicines, Inc.
    		DATE OF NAME CHANGE:	20151228
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>qttb_ars_2025.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: qttb_ars_2025.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>