<SEC-DOCUMENT>0000914208-15-000040-index.html : 20150128
<SEC-HEADER>0000914208-15-000040.hdr.sgml : 20150128
<ACCEPTANCE-DATETIME>20150128115914
ACCESSION NUMBER:		0000914208-15-000040
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150128
DATE AS OF CHANGE:		20150128

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCURY SYSTEMS INC
		CENTRAL INDEX KEY:			0001049521
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS & ACCESSORIES [3670]
		IRS NUMBER:				042741391
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-52823
		FILM NUMBER:		15553819

	BUSINESS ADDRESS:	
		STREET 1:		201 RIVERNECK ROAD
		CITY:			CHELMSFORD
		STATE:			MA
		ZIP:			01824
		BUSINESS PHONE:		9782561300

	MAIL ADDRESS:	
		STREET 1:		201 RIVERNECK ROAD
		CITY:			CHELMSFORD
		STATE:			MA
		ZIP:			01824

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MERCURY COMPUTER SYSTEMS INC
		DATE OF NAME CHANGE:	19971112

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Invesco Ltd.
		CENTRAL INDEX KEY:			0000914208
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				980557567
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1555 PEACHTREE STREET NE
		STREET 2:		SUITE 1800
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30309
		BUSINESS PHONE:		404-892-0896

	MAIL ADDRESS:	
		STREET 1:		1555 PEACHTREE STREET NE
		STREET 2:		SUITE 1800
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30309

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Invesco Ltd
		DATE OF NAME CHANGE:	20080508

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Invesco PLC
		DATE OF NAME CHANGE:	20080429

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Invesco Ltd.
		DATE OF NAME CHANGE:	20071205
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>mercurysystemsinc12312014.htm
<DESCRIPTION>MERCURY SYSTEMS, INC. 12312014
<TEXT>
Document 1 - file: mercurysystemsinc12312014.htm

</DOCUMENT>
</SEC-DOCUMENT>