<SEC-DOCUMENT>0000902664-21-001390-index.html : 20210216
<SEC-HEADER>0000902664-21-001390.hdr.sgml : 20210216
<ACCEPTANCE-DATETIME>20210216122238
ACCESSION NUMBER:		0000902664-21-001390
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210216
DATE AS OF CHANGE:		20210216

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RR Donnelley & Sons Co
		CENTRAL INDEX KEY:			0000029669
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMERCIAL PRINTING [2750]
		IRS NUMBER:				361004130
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-17456
		FILM NUMBER:		21634890

	BUSINESS ADDRESS:	
		STREET 1:		35 WEST WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		312.326.8000

	MAIL ADDRESS:	
		STREET 1:		35 WEST WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DONNELLEY R R & SONS CO
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Diameter Capital Partners LP
		CENTRAL INDEX KEY:			0001727012
		IRS NUMBER:				371843821
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		24 W 40TH STREET
		STREET 2:		5TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
		BUSINESS PHONE:		212-655-1400

	MAIL ADDRESS:	
		STREET 1:		24 W 40TH STREET
		STREET 2:		5TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>p21-0116sc13g.htm
<DESCRIPTION>R.R. DONNELLEY & SONS COMPANY
<TEXT>
Document 1 - file: p21-0116sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>