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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.

Key figures

Market capNo recent share count in SEC filings
–
Insider buysOpen market, last 90 days
0
Insider sellsOpen market, last 90 days
0
13F holdersQ2 2026, −6 vs. previous quarter
112
13F valueReported value at the end of Q2 2026
$121.0M
Superinvestors holdingAt the end of Q2 2026
0

Price chart

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
111.5K
Shares sold short
Change
−17.7K
−13.7% vs. previous
Days to cover
1.00
At average daily volume

Superinvestors holding HIO, Q2 2026

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No superinvestor reported holding HIO at the end of Q2 2026.

Latest insider trades

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Open-market purchases and sales by Western Asset High Income Opportunity Fund Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Apr 14, 2026 (view filing)Apr 131 dayColman Carol LDirectorSSale−4.50K$3.66−$16.5K−18.4%19.9K after
Jul 15, 2025 (view filing)Jul 141 dayMason Peter Daniel CharlesDirectorPPurchase+10.0K$4.02+$40.2KNew position10.0K after
Jun 2, 2025 (view filing)Jun 2Same daySale Hillary ADirectorPPurchase+5.17K$3.88+$20.0KNew position5.17K after
May 28, 2025 (view filing)May 271 dayGrillo AnthonyDirectorPPurchase+3.00K$3.84+$11.5KNew position3.00K after
Jan 7, 2022 (view filing)Jan 52 daysColman Carol LDirectorSSale−1.00K$5.14−$5.14K−5.0%19.2K after
Jan 7, 2022 (view filing)Jan 52 daysCronin Daniel PDirectorSSale−3.21K$5.10−$16.4K−100.0%0 after
Aug 30, 2021 (view filing)Aug 273 daysColman Carol LDirectorSSale−2.50K$5.24−$13.1K−11.4%19.4K after

Top 10 13F holders, Q2 2026

See all 112 holders

The largest institutional positions in Western Asset High Income Opportunity Fund Inc. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding HIO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Morgan Stanley11,779,270$42.9M0.00%+386,523+3.4%Added
Sit Investment Associates Inc2,820,378$10.3M0.19%+8,100+0.3%Added
Capital Investment Advisors, LLC2,329,618$8.48M0.11%−209,394−8.2%Reduced
Penserra Capital Management LLC1,659,450$6.04M0.05%+63,330+4.0%Added
Invesco Ltd.1,282,493$4.67M0.00%−72,400−5.3%Reduced
Fca Corp1,276,114$4.65M1.14%+69,375+5.7%Added
Wells Fargo & Company1,010,164$3.68M0.00%+211,015+26.4%Added
Rareview Capital LLC903,653$3.60M2.01%+212,012+30.7%Added
LPL Financial LLC969,899$3.53M0.00%+217,895+29.0%Added
Shaker Financial Services, LLC642,498$2.34M0.73%+129,524+25.2%Added

Holders of 5% or more of HIO

See all 1 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Western Asset High Income Opportunity Fund Inc..

Largest holders of HIO from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
Morgan Stanley13G6.20%5.85M shares+0.40 ppfrom 5.80%Feb 9, 20224 filingsMay 11, 2026SEC