    <SEC-DOCUMENT>0001104659-25-023225-index.html : 20250313
    <SEC-HEADER>0001104659-25-023225.hdr.sgml : 20250313
    <ACCEPTANCE-DATETIME>20250313073222
    ACCESSION NUMBER:		0001104659-25-023225
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		4
    CONFORMED PERIOD OF REPORT:	20250313
    FILED AS OF DATE:		20250313
    DATE AS OF CHANGE:		20250313

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AC Immune SA
    		CENTRAL INDEX KEY:			0001651625
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			V8
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37891
    		FILM NUMBER:		25733841

    	BUSINESS ADDRESS:
    		STREET 1:		EPFL INNOVATION PARK, BUILDING B
    		CITY:			1015 LAUSANNE
    		STATE:			V8
    		ZIP:			00000
    		BUSINESS PHONE:		41 21 345 91 21

    	MAIL ADDRESS:
    		STREET 1:		EPFL INNOVATION PARK, BUILDING B
    		CITY:			1015 LAUSANNE
    		STATE:			V8
    		ZIP:			00000
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>6-K
    <SEQUENCE>1
    <FILENAME>tm2426563d2_6k.htm
    <DESCRIPTION>FORM 6-K
    <TEXT>
    Document 1 - file: tm2426563d2_6k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>tm2426563d2_ex99-1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: tm2426563d2_ex99-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>tm2426563d2_ex99-2.pdf
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: tm2426563d2_ex99-2.pdf

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>tm2426563d2_ex99-1img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: tm2426563d2_ex99-1img001.jpg

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