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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.

Q4 2025 vs. Q3 2025

How the institutions holding Western Asset High Income Opportunity Fund Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of HIO: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders1041116+13
Shares27.8M127.0K30.1M+2.49M (+9.0%)
Value$106.7M$487.7K$112.0M+$5.80M (+5.5%)

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (21)

Institutions that held Western Asset High Income Opportunity Fund Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to HIO in Q4 2025
InstitutionSharesValue% of portfolio
Rareview Capital LLC572,495$2.28M1.48%
Absolute Investment Advisers LLC327,231$1.23M0.14%
Calamos Advisors LLC144,295$535.3K0.00%
Landscape Capital Management, L.L.C.130,863$485.5K0.03%
XTX Topco Ltd74,557$276.6K0.01%
Segment Wealth Management, LLC49,332$183.0K0.01%
Logan Stone Capital, LLC42,419$157.4K0.04%
Boothbay Fund Management, LLC42,202$156.6K0.00%
Wall Street Access Asset Management, LLC33,436$124.0K0.03%
Global Retirement Partners, LLC27,152$100.7K0.00%
Quadrature Capital Ltd23,257$86.3K0.00%
Blue Barn Wealth, LLC16,446$61.0K0.09%
One Capital Management, LLC11,690$43.4K0.00%
Laurel Oak Wealth Management, LLC10,913$40.5K0.01%
Pinnacle Wealth Planning Services, Inc.10,912$40.5K0.00%
Gilpin Wealth Management, LLC2,602$9.65K0.01%
Northwestern Mutual Wealth Management Co2,227$8.26K0.00%
CoreCap Advisors, LLC2,188$8.12K0.00%
Rockefeller Capital Management L.P.830$3.08K0.00%
International Assets Investment Management, LLC9$330.00%
Lloyd Advisory Services, LLC.1$20.00%

Sold out (8)

Institutions that held Western Asset High Income Opportunity Fund Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of HIO in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Virtu Financial LLC37,251$143.0K
MML Investors Services, LLC28,255$108.5K
Integrated Wealth Concepts LLC15,175$58.3K
Balyasny Asset Management LLC13,054$50.1K
Mach-1 Financial Group, Inc.12,999$49.9K
Citadel Advisors LLC12,269$47.1K
Larson Financial Group LLC5,850$22.5K
Newbridge Financial Services Group, Inc.1,272$4.88K

Not filed for Q4 2025 yet (1)

Institutions that held Western Asset High Income Opportunity Fund Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding HIO in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Wela Strategies, Inc.127,018$487.7K