<SEC-DOCUMENT>0001231919-25-000468-index.html : 20251113
<SEC-HEADER>0001231919-25-000468.hdr.sgml : 20251113
<ACCEPTANCE-DATETIME>20251113172601
ACCESSION NUMBER:		0001231919-25-000468
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251112
FILED AS OF DATE:		20251113
DATE AS OF CHANGE:		20251113

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RTW INVESTMENTS, LP
		CENTRAL INDEX KEY:			0001493215
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41767
		FILM NUMBER:		251479889

	BUSINESS ADDRESS:	
		STREET 1:		40 10TH AVENUE
		STREET 2:		7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014
		BUSINESS PHONE:		646-597-6980

	MAIL ADDRESS:	
		STREET 1:		40 10TH AVENUE
		STREET 2:		7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014

	FORMER NAME:	
		FORMER CONFORMED NAME:	RTW INVESTMENTS, LLC
		DATE OF NAME CHANGE:	20100602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RTW MASTER FUND, LTD.
		CENTRAL INDEX KEY:			0001493219
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41767
		FILM NUMBER:		251479887

	BUSINESS ADDRESS:	
		STREET 1:		C/O WALKERS CORPORATE LIMITED
		STREET 2:		190 ELGIN AVENUE
		CITY:			GEORGE TOWN, GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-9008
		BUSINESS PHONE:		345-949-6765

	MAIL ADDRESS:	
		STREET 1:		C/O WALKERS CORPORATE LIMITED
		STREET 2:		190 ELGIN AVENUE
		CITY:			GEORGE TOWN, GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-9008

	FORMER NAME:	
		FORMER CONFORMED NAME:	RTW OFFSHORE FUND ONE, LTD
		DATE OF NAME CHANGE:	20150521

	FORMER NAME:	
		FORMER CONFORMED NAME:	RTW MASTER FUND, LTD.
		DATE OF NAME CHANGE:	20100602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WONG RODERICK
		CENTRAL INDEX KEY:			0001493280
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41767
		FILM NUMBER:		251479888

	MAIL ADDRESS:	
		STREET 1:		C/O RTW INVESTMENTS, LP
		STREET 2:		40 10TH AVENUE, 7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RTW Innovation Master Fund Ltd.
		CENTRAL INDEX KEY:			0001776733
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41767
		FILM NUMBER:		251479886

	BUSINESS ADDRESS:	
		STREET 1:		C/O WALKERS CORPORATE LIMITED
		STREET 2:		190 ELGIN AVENUE
		CITY:			GEORGE TOWN, GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-9008
		BUSINESS PHONE:		6465976982

	MAIL ADDRESS:	
		STREET 1:		C/O WALKERS CORPORATE LIMITED
		STREET 2:		190 ELGIN AVENUE
		CITY:			GEORGE TOWN, GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-9008

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLURION TECHNOLOGIES, INC.
		CENTRAL INDEX KEY:			0001964979
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		11 HURON DR STE 200
		CITY:			NATICK
		STATE:			MA
		ZIP:			01760
		BUSINESS PHONE:		508-647-4000

	MAIL ADDRESS:	
		STREET 1:		11 HURON DR STE 200
		CITY:			NATICK
		STATE:			MA
		ZIP:			01760

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLURION TECHNOLOGIES HOLDINGS, INC.
		DATE OF NAME CHANGE:	20230207
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