<SEC-DOCUMENT>0001610520-23-000154-index.html : 20231005
<SEC-HEADER>0001610520-23-000154.hdr.sgml : 20231005
<ACCEPTANCE-DATETIME>20231005160239
ACCESSION NUMBER:		0001610520-23-000154
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20231005
DATE AS OF CHANGE:		20231005

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIMCO CORPORATE & INCOME OPPORTUNITY FUND
		CENTRAL INDEX KEY:			0001190935
		IRS NUMBER:				466121513
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-84417
		FILM NUMBER:		231311330

	BUSINESS ADDRESS:	
		STREET 1:		1633 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-739-4000

	MAIL ADDRESS:	
		STREET 1:		1633 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIMCO CORPORATE OPPORTUNITY FUND
		DATE OF NAME CHANGE:	20021022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIMCO CORPORATE ADVANTAGE FUND
		DATE OF NAME CHANGE:	20020919

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UBS Group AG
		CENTRAL INDEX KEY:			0001610520
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		BAHNHOFSTRASSE 45
		CITY:			ZURICH
		STATE:			V8
		ZIP:			CH-8001
		BUSINESS PHONE:		41-44-234-1111

	MAIL ADDRESS:	
		STREET 1:		BAHNHOFSTRASSE 45
		CITY:			ZURICH
		STATE:			V8
		ZIP:			CH-8001
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>PTY-13G.txt
<DESCRIPTION>13G
<TEXT>
Document 1 - file: PTY-13G.txt

</DOCUMENT>
</SEC-DOCUMENT>