<SEC-DOCUMENT>0001193125-14-405422-index.html : 20141110
<SEC-HEADER>0001193125-14-405422.hdr.sgml : 20141110
<ACCEPTANCE-DATETIME>20141110131253
ACCESSION NUMBER:		0001193125-14-405422
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20141110
DATE AS OF CHANGE:		20141110
GROUP MEMBERS:		DELAWARE MANAGEMENT HOLDINGS INC.
GROUP MEMBERS:		MACQUARIE BANK LTD
GROUP MEMBERS:		MACQUARIE GROUP LTD

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ABIOMED INC
		CENTRAL INDEX KEY:			0000815094
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				042743260
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-38995
		FILM NUMBER:		141207749

	BUSINESS ADDRESS:	
		STREET 1:		22 CHERRY HILL DR
		CITY:			DANVERS
		STATE:			MA
		ZIP:			01923
		BUSINESS PHONE:		9787775410

	MAIL ADDRESS:	
		STREET 1:		22 CHERRY HILL DRIVE
		CITY:			DANVERS
		STATE:			MA
		ZIP:			01923

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DELAWARE MANAGEMENT BUSINESS TRUST
		CENTRAL INDEX KEY:			0000727770
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				133465352
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		2005 MARKET STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103
		BUSINESS PHONE:		2152552127

	MAIL ADDRESS:	
		STREET 1:		2005 MARKET STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DELAWARE MANAGEMENT CO INC/DE/
		DATE OF NAME CHANGE:	19960816
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d818540dsc13ga.htm
<DESCRIPTION>AMENDMENT NO. 4 TO SCHEDULE 13G
<TEXT>
Document 1 - file: d818540dsc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>