<SEC-DOCUMENT>0001104659-18-009112-index.html : 20180213
<SEC-HEADER>0001104659-18-009112.hdr.sgml : 20180213
<ACCEPTANCE-DATETIME>20180213173043
ACCESSION NUMBER:		0001104659-18-009112
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180213
DATE AS OF CHANGE:		20180213
GROUP MEMBERS:		JEROME G. PFUND
GROUP MEMBERS:		MICHAEL L. SJOSTROM

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLLEGIUM PHARMACEUTICAL, INC
		CENTRAL INDEX KEY:			0001267565
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88843
		FILM NUMBER:		18605141

	BUSINESS ADDRESS:	
		STREET 1:		780 DEDHAM STREET, SUITE 800
		CITY:			CANTON
		STATE:			MA
		ZIP:			02021
		BUSINESS PHONE:		781-713-3699

	MAIL ADDRESS:	
		STREET 1:		780 DEDHAM STREET, SUITE 800
		CITY:			CANTON
		STATE:			MA
		ZIP:			02021

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLLEGIUM PHARMACEUTICAL INC
		DATE OF NAME CHANGE:	20031020

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SECTORAL ASSET MANAGEMENT INC
		CENTRAL INDEX KEY:			0001274413
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A8

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1010 SHERBROOKE ST., WEST
		STREET 2:		SUITE 1610
		CITY:			MONTREAL
		STATE:			A8
		ZIP:			H3A 2R7
		BUSINESS PHONE:		514 849 8777

	MAIL ADDRESS:	
		STREET 1:		1010 SHERBROOKE ST., WEST
		STREET 2:		SUITE 1610
		CITY:			MONTREAL
		STATE:			A8
		ZIP:			H3A 2R7
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>a18-5927_1sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: a18-5927_1sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>