<SEC-DOCUMENT>0000902664-25-000858-index.html : 20250212
<SEC-HEADER>0000902664-25-000858.hdr.sgml : 20250212
<ACCEPTANCE-DATETIME>20250212093133
ACCESSION NUMBER:		0000902664-25-000858
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20250212
DATE AS OF CHANGE:		20250212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Aclaris Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001557746
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				460571712
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-89137
		FILM NUMBER:		25612601

	BUSINESS ADDRESS:	
		STREET 1:		701 LEE ROAD
		STREET 2:		SUITE 103
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		484-324-7933

	MAIL ADDRESS:	
		STREET 1:		701 LEE ROAD
		STREET 2:		SUITE 103
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Adage Capital Management, L.P.
		CENTRAL INDEX KEY:			0001535978
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		200 CLARENDON STREET, 52ND FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-867-2800

	MAIL ADDRESS:	
		STREET 1:		200 CLARENDON STREET, 52ND FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>p25-0224exhibit99_1.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: p25-0224exhibit99_1.htm

</DOCUMENT>
</SEC-DOCUMENT>