<SEC-DOCUMENT>0001274173-24-000116-index.html : 20241114
<SEC-HEADER>0001274173-24-000116.hdr.sgml : 20241114
<ACCEPTANCE-DATETIME>20241114123215
ACCESSION NUMBER:		0001274173-24-000116
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20241114
DATE AS OF CHANGE:		20241114

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lexeo Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001907108
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				854012572
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-94231
		FILM NUMBER:		241459437

	BUSINESS ADDRESS:	
		STREET 1:		345 PARK AVENUE SOUTH
		STREET 2:		FLOOR 6
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010
		BUSINESS PHONE:		(212) 547-9879

	MAIL ADDRESS:	
		STREET 1:		345 PARK AVENUE SOUTH
		STREET 2:		FLOOR 6
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JANUS HENDERSON GROUP PLC
		CENTRAL INDEX KEY:			0001274173
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			Y9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		201 BISHOPSGATE
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2M 3AE
		BUSINESS PHONE:		442078181818

	MAIL ADDRESS:	
		STREET 1:		201 BISHOPSGATE
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2M 3AE

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HENDERSON GROUP PLC
		DATE OF NAME CHANGE:	20050511

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HHG PLC
		DATE OF NAME CHANGE:	20031223
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>Lexeo093024.txt
<DESCRIPTION>JANUS AMENDMENT
<TEXT>
Document 1 - file: Lexeo093024.txt

</DOCUMENT>
</SEC-DOCUMENT>