<SEC-DOCUMENT>0000912938-21-000281-index.html : 20210507
<SEC-HEADER>0000912938-21-000281.hdr.sgml : 20210507
<ACCEPTANCE-DATETIME>20210507104033
ACCESSION NUMBER:		0000912938-21-000281
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210507
DATE AS OF CHANGE:		20210507

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ICON PLC
		CENTRAL INDEX KEY:			0001060955
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		IRS NUMBER:				981067160

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-60623
		FILM NUMBER:		21900931

	BUSINESS ADDRESS:	
		STREET 1:		SOUTH COUNTY BUSINESS PARK
		STREET 2:		LEOPARDSTOWN
		CITY:			DUBLIN 18
		STATE:			L2
		ZIP:			00000
		BUSINESS PHONE:		00 353 1 291 2000

	MAIL ADDRESS:	
		STREET 1:		SOUTH COUNTY BUSINESS PARK
		STREET 2:		LEOPARDSTOWN
		CITY:			DUBLIN 18
		STATE:			L2
		ZIP:			00000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ICON PLC  /ADR/
		DATE OF NAME CHANGE:	20010213

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASSACHUSETTS FINANCIAL SERVICES CO /MA/
		CENTRAL INDEX KEY:			0000912938
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		18006372929

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>SEC13G_Filing.htm
<DESCRIPTION>SEC SCHEDULE 13G
<TEXT>
Document 1 - file: SEC13G_Filing.htm

</DOCUMENT>
</SEC-DOCUMENT>