<SEC-DOCUMENT>0001104659-21-017343-index.html : 20210210
<SEC-HEADER>0001104659-21-017343.hdr.sgml : 20210210
<ACCEPTANCE-DATETIME>20210210103026
ACCESSION NUMBER:		0001104659-21-017343
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210210
DATE AS OF CHANGE:		20210210

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/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87576
		FILM NUMBER:		21609924

	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:			VANGUARD GROUP INC
		CENTRAL INDEX KEY:			0000102909
		IRS NUMBER:				231945930
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482-2600
		BUSINESS PHONE:		6106691000

	MAIL ADDRESS:	
		STREET 1:		PO BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482-2600
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tv0133-advancedemissionssolu.htm
<DESCRIPTION>SCHEDULE 13G/A
<TEXT>
Document 1 - file: tv0133-advancedemissionssolu.htm

</DOCUMENT>
</SEC-DOCUMENT>