<SEC-DOCUMENT>0000902664-20-004354-index.html : 20201228
<SEC-HEADER>0000902664-20-004354.hdr.sgml : 20201228
<ACCEPTANCE-DATETIME>20201228160523
ACCESSION NUMBER:		0000902664-20-004354
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20201228
DATE AS OF CHANGE:		20201228

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Advanced Emissions Solutions, Inc.
		CENTRAL INDEX KEY:			0001515156
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS CHEMICAL PRODUCTS [2890]
		IRS NUMBER:				275472457
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87576
		FILM NUMBER:		201418440

	BUSINESS ADDRESS:	
		STREET 1:		8051 E. MAPLEWOOD AVE., STE 210
		CITY:			GREENWOOD VILLAGE
		STATE:			CO
		ZIP:			80111
		BUSINESS PHONE:		720-598-3500

	MAIL ADDRESS:	
		STREET 1:		8051 E. MAPLEWOOD AVE., STE 210
		CITY:			GREENWOOD VILLAGE
		STATE:			CO
		ZIP:			80111

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADAGE CAPITAL PARTNERS GP, L.L.C.
		CENTRAL INDEX KEY:			0001165408
		IRS NUMBER:				043574590
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		200 CLARENDON STREET
		STREET 2:		52ND FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		(617) 867-2800

	MAIL ADDRESS:	
		STREET 1:		200 CLARENDON STREET, 52ND FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADAGE CAPITAL PARTNERS GP LLC
		DATE OF NAME CHANGE:	20020117
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>p20-2219sc13g.htm
<DESCRIPTION>ADVANCED EMISSIONS SOLUTIONS, INC.
<TEXT>
Document 1 - file: p20-2219sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>