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Western Asset High Income Opportunity Fund Inc.

HIO
Exchange
NYSE
SEC CIK
0000910068

No open-market purchases or sales by Western Asset High Income Opportunity Fund Inc. insiders were filed in the last 90 days; 112 institutions reported holding it in 13F filings for Q2 2026, worth $121.0M in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding Western Asset High Income Opportunity Fund Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of HIO: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders983104+9
Shares25.6M189.5K27.8M+2.34M (+9.2%)
Value$102.0M$758.5K$106.7M+$5.47M (+5.4%)

3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (18)

Institutions that held Western Asset High Income Opportunity Fund Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to HIO in Q3 2025
InstitutionSharesValue% of portfolio
Wolverine Asset Management LLC265,356$1.02M0.01%
HRT Financial LP138,908$533.0K0.00%
Susquehanna International Group, LLP105,177$403.9K0.00%
Readystate Asset Management LP93,517$359.1K0.02%
Marex Group plc89,867$345.1K0.00%
Virtu Financial LLC37,251$143.0K0.01%
Mercer Global Advisors Inc33,123$127.2K0.00%
High Net Worth Advisory Group LLC22,353$85.8K0.02%
Samalin Investment Counsel, LLC20,843$80.0K0.03%
Wiley Bros.-Aintree Capital, LLC19,396$74.5K0.00%
First Nebraska Trust Co19,060$73.2K0.01%
Balyasny Asset Management LLC13,054$50.1K0.00%
Mach-1 Financial Group, Inc.12,999$49.9K0.01%
Integrity Advisory Solutions, LLC12,999$49.9K0.01%
Citadel Advisors LLC12,269$47.1K0.00%
Mountain Hill Investment Partners Corp.4,000$15.4K0.01%
SRS Capital Advisors, Inc.2,620$10.1K0.00%
Highline Wealth Partners LLC750$2.88K0.00%

Sold out (9)

Institutions that held Western Asset High Income Opportunity Fund Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of HIO in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Evanson Asset Management, LLC61,000$242.8K
Wall Street Access Asset Management, LLC31,364$124.8K
Venture Visionary Partners LLC27,183$108.2K
Geneos Wealth Management Inc.23,202$92.3K
QTR Family Wealth, LLC18,504$73.6K
Harbour Capital Advisors, LLC13,030$52.3K
Horizon Kinetics Asset Management LLC10,072$40.1K
Annis Gardner Whiting Capital Advisors, LLC1,090$4.38K
CWM, LLC201$1.00K

Not filed for Q3 2025 yet (3)

Institutions that held Western Asset High Income Opportunity Fund Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding HIO in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Atria Wealth Solutions, Inc.119,700$480.6K
Good Life Advisors, LLC56,646$225.4K
Avantax Advisory Services, Inc.13,194$52.5K