<SEC-DOCUMENT>0001144204-15-049028-index.html : 20150813
<SEC-HEADER>0001144204-15-049028.hdr.sgml : 20150813
<ACCEPTANCE-DATETIME>20150813162347
ACCESSION NUMBER:		0001144204-15-049028
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20150630
FILED AS OF DATE:		20150813
DATE AS OF CHANGE:		20150813
EFFECTIVENESS DATE:		20150813

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RA CAPITAL MANAGEMENT, LLC
		CENTRAL INDEX KEY:			0001346824
		IRS NUMBER:				830406777
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-12884
		FILM NUMBER:		151050991

	BUSINESS ADDRESS:	
		STREET 1:		20 PARK PLAZA, SUITE 1200
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-778-2500

	MAIL ADDRESS:	
		STREET 1:		20 PARK PLAZA, SUITE 1200
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
</SEC-HEADER>
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<TYPE>13F-HR
<SEQUENCE>1
<FILENAME>primary_doc.xml
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Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

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<DOCUMENT>
<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>infotable.xml
<TEXT>
Document 2 - file: infotable.html

Document 2 - RAW XML: infotable.xml

</DOCUMENT>
</SEC-DOCUMENT>