HIO on NYSE

WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC.

Fund registered in the United States, based in New York, active since 1993. Summary from the record

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Last updated Oct 19, 2026.

Overview

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TickerHIO on NYSE²
HeadquartersNew York, United States²
Incorporated inMD³
Business address620 Eighth Avenue, 47Th Floor, New York, Ny 10018³
Legal formFUND²
Kind of organizationFund²
LEI549300S7N70O2ERKYG47²
StatusActive²
LEI statusIssued and current²
Registered addressC/O THE CORPORATION TRUST, INCORPORATED, 21093-2264 Lutherville Timonium, United States²
Registered withSecurities and Exchange Commission, 0000910068²

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Leadership

Who has led WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC., and when. Pick a name to see everywhere that person has worked.

Chief executive

Chair

Kenneth Fuller2013

President

R. Jay Gerken2008

Chief financial officer

2010201520202025

Chief executive officerKenneth Fuller Jun 5, 2013 to Jun 5, 2013⁴
Chief executive officerR. Jay Gerken Nov 24, 2008 to Nov 24, 2008⁵
ChairKenneth Fuller Jun 5, 2013 to Jun 5, 2013⁴
PresidentR. Jay Gerken Nov 24, 2008 to Nov 24, 2008⁵
Chief financial officerGuercio Rocco Del Mar 22, 2007 to Mar 22, 2007⁶
Chief financial officerMark R. Fetting Aug 8, 2006 to Aug 8, 2006⁷

Board members and other officers (28)

Secretary and Ch Lgl OfficerGeorge P. Hoyt Aug 19, 2020 to Aug 19, 2020⁸
Treas/Principal Finan OfficerChristopher Berarducci Sep 30, 2019 to Sep 30, 2019⁹
TreasurerJennifer S. Berg Jan 10, 2018 to Jan 10, 2018¹⁰
Chief Compliance OfficerTodd F. Kuehl May 16, 2017 to May 16, 2017¹¹
Principal Financial OfficerRichard Sennett Dec 2, 2011 to Dec 2, 2011¹²
Assistant Secretary of FundWilliam J. Renahan Sep 20, 2007 to Oct 13, 2009¹³
Director of Adviser (LMPFA)Charles J. Daley Jr. Sep 21, 2007 to Sep 21, 2007¹⁴
OfficerJeanne Kelly Aug 8, 2006 to Aug 8, 2006⁷
OfficerRobert P. Shepler Aug 8, 2006 to Aug 8, 2006⁷
OfficerTed P. Becker Aug 8, 2006 to Aug 8, 2006⁷
chief compliance officerTerrence Murphy Aug 8, 2006 to Aug 8, 2006⁷
senior vice presidentThomas C. Mandia Aug 8, 2006 to Aug 8, 2006⁷
Board memberAnthony Grillo Nov 21, 2024 to now¹⁵
Board memberHillary A. Sale Nov 21, 2024 to now¹⁶
Board memberPeter Daniel Charles Mason Nov 22, 2024 to now¹⁷
Board memberNisha Kumar Jan 9, 2019 to Jan 9, 2019¹⁸
Board memberRobert D. Agdern Jan 9, 2015 to Jan 9, 2015¹⁹
Board memberEileen A. Kamerick Feb 7, 2013 to Feb 7, 2013²⁰
Board memberRiordan Roett Mar 1, 2007 to Mar 1, 2007²¹
Board memberMark R. Fetting Aug 8, 2006 to Aug 8, 2006⁷
Board memberPeter L. Bain Aug 8, 2006 to Aug 8, 2006⁷
Board memberR. Jay Gerken Aug 8, 2006 to Nov 24, 2008⁷
Board memberTimothy C. Scheve Aug 8, 2006 to Aug 8, 2006⁷
Board memberCarol L. Colman Dec 18, 2006 to now²²
Board memberDaniel P. Cronin Dec 18, 2006 to Jan 7, 2022²³
Board memberLeslie H. Gelb Dec 18, 2006 to Dec 18, 2006²⁴
Board memberPaolo M. Cucchi Dec 18, 2006 to Dec 18, 2006²⁵
General counselOliveira Marc De Sep 13, 2023 to Sep 13, 2023²⁶

Former names

HIGH INCOME OPPORTUNITY FUND INCNov 20, 1995 to Aug 30, 2006³
SMITH BARNEY HIGH INCOME OPPORTUNITY FUND INCMay 23, 1994 to Dec 2, 1994³

Timeline

Jun 5, 2013New chief executive Kenneth Fuller becomes CEO⁴
Nov 24, 2008New chief executive R. Jay Gerken becomes CEO⁵
Jul 30, 1993Founded WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. is founded²

Filings

77 filings to the SEC since October 2021: 1 major events, 18 insider forms, 9 large holders, 49 other. The latest 20:

Sep 11, 20263 EDGAR
Sep 10, 20263 EDGAR
Aug 27, 2026NPORT-P EDGAR
Aug 14, 2026N-PX EDGAR
May 28, 2026N-CSRS WESTERN ASSET HIGH INCOME OPPORTUNITY FUND - N-CSRS EDGAR
May 21, 2026NPORT-P EDGAR
May 11, 2026SCHEDULE 13G EDGAR
Apr 23, 2026424B3 EDGAR
Apr 14, 20264 EDGAR
Apr 7, 20263 EDGAR
Mar 24, 2026EFFECT EDGAR
Mar 9, 2026N-2/A EDGAR
Mar 9, 2026DEF 14A EDGAR
Feb 26, 2026NPORT-P EDGAR
Dec 8, 2025N-CEN EDGAR
Nov 26, 2025N-CSR WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC - N-CSR EDGAR
Nov 25, 2025NPORT-P EDGAR
Oct 28, 2025N-2 WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. EDGAR
Aug 28, 20253 EDGAR
Aug 26, 2025NPORT-P EDGAR

The 77 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

6 open-market trades by officers, directors and large owners since October 2021: 3 buys and 3 sales. Grants, option exercises and gifts are left out.

Date	Who	Trade	Shares	Price	Value	Filing
Apr 13, 2026	COLMAN CAROL LDirector	Sale	4,500	$3.66	$16.5K	Form 4
Jul 14, 2025	Mason Peter Daniel CharlesDirector	Buy	10,000	$4.02	$40.2K	Form 4
Jun 2, 2025	Sale Hillary ADirector	Buy	5,167	$3.88	$20.0K	Form 4
May 27, 2025	GRILLO ANTHONYDirector	Buy	3,000	$3.84	$11.5K	Form 4
Jan 5, 2022	COLMAN CAROL LDirector	Sale	1,000	$5.14	$5.1K	Form 4
Jan 5, 2022	CRONIN DANIEL PDirector	Sale	3,207	$5.10	$16.4K	Form 4

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Morgan StanleySCHEDULE 13G, 4 filings Feb 9, 2022 to May 11, 2026²⁷
RIVERNORTH CAPITAL MANAGEMENT, LLCSC 13G/A, 2 filings Feb 14, 2023 to Feb 14, 2024²⁸
FIRST TRUST PORTFOLIOS LPSC 13G/A, 3 filings Jan 12, 2022 to Jan 10, 2024²⁹

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 100. Change is in shares since the quarter before.

Fund	Shares	Value	Share of the fund	Change
Morgan Stanley	11,779,270	$42.9M	0.0%	+386,523
Capital Investment Advisors, LLC	2,329,618	$8.5M	0.1%	−209,394
Invesco Ltd.	1,282,493	$4.7M	0.0%	−72,400
Fca Corp /tx	1,276,114	$4.6M	1.1%	+69,375
Wells Fargo & Company/mn	1,010,164	$3.7M	0.0%	+211,015
Rareview Capital LLC	903,653	$3.6M	2.0%	+212,012
LPL Financial LLC	969,899	$3.5M	0.0%	+217,895
Shaker Financial Services, LLC	642,498	$2.3M	0.7%	+129,524
Raymond James Financial Inc	637,104	$2.3M	0.0%	−27,865
UBS Group AG	561,032	$2.0M	0.0%	−40,840
Jones Financial Companies Lllp	531,238	$1.9M	0.0%	+57,376
Kanen Wealth Management LLC	490,454	$1.8M	0.4%	No change
Wolverine Asset Management LLC	378,116	$1.4M	0.0%	−92,831
Absolute Investment Advisers, LLC	372,457	$1.4M	0.1%	−96,701
Chicago Partners Investment Group LLC	333,688	$1.2M	0.0%	−34,618
Bank Of America Corp /de/	305,060	$1.1M	0.0%	−11,545
Pathway Financial Advisers, LLC	285,886	$1.0M	0.3%	+6,453
RFG Advisory, LLC	273,827	$996.7K	0.0%	−13,236
First Trust Advisors LP	263,308	$958.4K	0.0%	+32,925
Envestnet Asset Management Inc	239,445	$871.6K	0.0%	+69,707
Fortis Group Advisors, LLC	206,291	$750.9K	0.1%	−4,280
Calamos Advisors LLC	175,495	$638.8K	0.0%	+11,700
Quarry LP	175,126	$637.5K	0.1%	−129,985
Royal Bank Of Canada	141,224	$514.0K	0.0%	−4,889
Cetera Investment Advisers	128,283	$466.9K	0.0%	+18,602

13F reports cover disclosed long positions in U.S. stocks only.

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARWESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. filings on SEC EDGAR
2
GLEIFWESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. LEI record (549300S7N70O2ERKYG47)
3
SEC EDGARWESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. filings on SEC EDGAR
4
SEC EDGARKenneth Fuller, Chief executive officer
5
SEC EDGARR. Jay Gerken, Chief executive officer
6
SEC EDGARGuercio Rocco Del, Chief financial officer
7
SEC EDGARMark R. Fetting, Chief financial officer
8
SEC EDGARGeorge P. Hoyt, Secretary and Ch Lgl Officer
9
SEC EDGARChristopher Berarducci, Treas/Principal Finan Officer
10
SEC EDGARJennifer S. Berg, Treasurer
11
SEC EDGARTodd F. Kuehl, Chief Compliance Officer
12
SEC EDGARRichard Sennett, Principal Financial Officer
13
SEC EDGARWilliam J. Renahan, Assistant Secretary of Fund
14
SEC EDGARCharles J. Daley Jr., Director of Adviser (LMPFA)
15
SEC EDGARAnthony Grillo, Board member
16
SEC EDGARHillary A. Sale, Board member
17
SEC EDGARPeter Daniel Charles Mason, Board member
18
SEC EDGARNisha Kumar, Board member
19
SEC EDGARRobert D. Agdern, Board member
20
SEC EDGAREileen A. Kamerick, Board member
21
SEC EDGARRiordan Roett, Board member
22
SEC EDGARCarol L. Colman, Board member
23
SEC EDGARDaniel P. Cronin, Board member
24
SEC EDGARLeslie H. Gelb, Board member
25
SEC EDGARPaolo M. Cucchi, Board member
26
SEC EDGAROliveira Marc De, General counsel
27
SEC EDGARMorgan Stanley SCHEDULE 13G on WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC.
28
SEC EDGARRIVERNORTH CAPITAL MANAGEMENT, LLC SC 13G/A on WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC.
29
SEC EDGARFIRST TRUST PORTFOLIOS LP SC 13G/A on WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC.