<SEC-DOCUMENT>0001193125-17-043644-index.html : 20170214
<SEC-HEADER>0001193125-17-043644.hdr.sgml : 20170214
<ACCEPTANCE-DATETIME>20170214170549
ACCESSION NUMBER:		0001193125-17-043644
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170214
DATE AS OF CHANGE:		20170214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALNYLAM PHARMACEUTICALS, INC.
		CENTRAL INDEX KEY:			0001178670
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				770602661
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-79884
		FILM NUMBER:		17610230

	BUSINESS ADDRESS:	
		STREET 1:		300 THIRD STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		(617) 551-8200

	MAIL ADDRESS:	
		STREET 1:		300 THIRD STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALNYLAM PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	20020724

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DODGE & COX
		CENTRAL INDEX KEY:			0000200217
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		555 CALIFORNIA STREET
		STREET 2:		40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		4159811710

	MAIL ADDRESS:	
		STREET 1:		555 CALIFORNIA STREET
		STREET 2:		40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d344518dsc13ga.htm
<DESCRIPTION>SCHEDULE 13G AMENDMENT NO. 1
<TEXT>
Document 1 - file: d344518dsc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>