Latest Period
Q1 2026
Security Snapshot
WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. - Common Stock (HIO) Institutional Ownership
CUSIP: 95766K109
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
119
Shares (Excl. Options)
32,377,354
Price
$3.63
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- Security type / class
- Equity / Common Stock
- Symbol
- HIO on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 32,377,354
- Total 13F value
- $117,761,884
- Portfolio coverage rank
- 0%
- Share change
- +2,300,614
- Value change
- +$8,327,871
- Number of holders
- 119
- Shares outstanding
- 94,404,710
- SEC-reported price per share
- $3.64
- Insider filing price
- $3.64
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- HIO - WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. - Common Stock is tracked under CUSIP 95766K109.
- 119 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 119 to 2 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $117,761,884 to $156,025.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 119 institutions filings for Q1 2026.
Security key
95766K109
Latest holder period
Q1 2026
13F holders
119
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
HIO full holder history
WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. SEC filings
WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 95766K109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
HIO
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| MORGAN STANLEY | 6.2% | +6.7% | $21,539,379 | +$1,362,347 | 5,853,092 | +6.8% | Morgan Stanley | 31 Mar 2026 |
As of 31 Mar 2026, 119 institutional investors reported holding 32,377,354 shares of WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. - Common Stock (HIO). This represents 34% of the company’s total 94,404,710 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
31%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| MORGAN STANLEY | 12% | 11,392,747 | +18% | 0% | $41,355,674 |
| SIT INVESTMENT ASSOCIATES INC | 3% | 2,812,278 | +26% | 0.21% | $10,209,000 |
| Capital Investment Advisors, LLC | 2.7% | 2,539,012 | -12% | 0.13% | $9,216,612 |
| Penserra Capital Management LLC | 1.7% | 1,596,120 | +1.3% | 0.07% | $5,793,000 |
| Invesco Ltd. | 1.4% | 1,354,893 | +11% | 0% | $4,918,262 |
| FCA CORP /TX | 1.3% | 1,206,739 | +5.8% | 1.2% | $4,380,463 |
| WELLS FARGO & COMPANY/MN | 0.85% | 799,149 | +2.9% | 0% | $2,900,910 |
| LPL Financial LLC | 0.8% | 752,004 | +95% | 0% | $2,729,775 |
| Rareview Capital LLC | 0.73% | 691,641 | +21% | 1.6% | $2,752,731 |
| RAYMOND JAMES FINANCIAL INC | 0.7% | 664,969 | -5.4% | 0% | $2,413,838 |
| UBS Group AG | 0.64% | 601,872 | +13% | 0% | $2,184,795 |
| Thrivent Financial for Lutherans | 0.58% | 548,932 | +4.7% | 0% | $1,993,000 |
| Shaker Financial Services, LLC | 0.54% | 512,974 | -16% | 0.65% | $1,862,096 |
| Kanen Wealth Management LLC | 0.52% | 490,454 | +2.1% | 0.64% | $1,780,348 |
| JONES FINANCIAL COMPANIES LLLP | 0.5% | 473,862 | +14% | 0% | $1,677,472 |
| WOLVERINE ASSET MANAGEMENT LLC | 0.5% | 470,947 | -26% | 0.03% | $1,709,538 |
| ABSOLUTE INVESTMENT ADVISERS, LLC | 0.5% | 469,158 | +43% | 0.2% | $1,703,044 |
| Chicago Partners Investment Group LLC | 0.39% | 368,306 | -7.7% | 0.03% | $1,359,051 |
| BANK OF AMERICA CORP /DE/ | 0.34% | 316,605 | -12% | 0% | $1,149,275 |
| Quarry LP | 0.32% | 305,111 | 0.22% | $1,107,553 | |
| RFG Advisory, LLC | 0.3% | 287,063 | +59% | 0.02% | $1,042,039 |
| Pathway Financial Advisers, LLC | 0.3% | 279,433 | +0.62% | 0.29% | $1,014,343 |
| PIN OAK INVESTMENT ADVISORS INC | 0.25% | 233,058 | -0.53% | 0.6% | $846,000 |
| FIRST TRUST ADVISORS LP | 0.24% | 230,383 | -4.3% | 0% | $836,290 |
| Fortis Group Advisors, LLC | 0.22% | 210,571 | -1.4% | 0.13% | $777,006 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q1 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 42,864 | $156,025 | -$93,950 | $3.64 | 2 |
| 2026 Q1 | 32,377,354 | $117,761,884 | +$8,327,871 | $3.63 | 119 |
| 2025 Q4 | 30,143,066 | $112,026,618 | +$9,332,722 | $3.71 | 116 |
| 2025 Q3 | 27,763,078 | $106,645,289 | +$8,846,836 | $3.84 | 103 |
| 2025 Q2 | 25,628,969 | $102,011,490 | +$1,255,500 | $3.98 | 98 |
| 2025 Q1 | 25,311,118 | $100,745,730 | -$14,188,300 | $3.98 | 98 |
| 2024 Q4 | 28,830,044 | $113,444,349 | -$4,277,348 | $3.93 | 102 |
| 2024 Q3 | 29,530,097 | $119,573,766 | -$6,101,976 | $4.05 | 99 |
| 2024 Q2 | 30,947,898 | $117,981,662 | -$9,890,291 | $3.81 | 97 |
| 2024 Q1 | 33,560,760 | $130,826,131 | -$11,706,995 | $3.90 | 103 |
| 2023 Q4 | 36,704,470 | $141,712,522 | -$6,593,906 | $3.86 | 109 |
| 2023 Q3 | 37,008,850 | $134,741,844 | -$5,519,686 | $3.64 | 113 |
| 2023 Q2 | 38,306,037 | $144,874,523 | +$4,251,216 | $3.78 | 106 |
| 2023 Q1 | 37,350,448 | $142,338,191 | -$4,277,430 | $3.81 | 99 |
| 2022 Q4 | 38,449,024 | $152,080,367 | +$3,568,576 | $3.95 | 107 |
| 2022 Q3 | 37,315,369 | $137,542,637 | -$2,256,178 | $3.68 | 95 |
| 2022 Q2 | 37,920,702 | $150,522,788 | +$37,754,992 | $3.96 | 105 |
| 2022 Q1 | 28,693,004 | $128,046,632 | +$4,584,032 | $4.47 | 92 |
| 2021 Q4 | 27,286,748 | $141,549,552 | -$37,366,583 | $5.20 | 93 |
| 2021 Q3 | 34,409,668 | $178,615,539 | -$8,720,688 | $5.19 | 90 |
| 2021 Q2 | 36,087,521 | $190,518,653 | +$1,880,141 | $5.28 | 92 |
| 2021 Q1 | 35,743,278 | $181,598,436 | -$2,685,368 | $5.08 | 97 |
| 2020 Q4 | 36,425,828 | $180,313,237 | -$135,971,698 | $4.95 | 99 |
| 2020 Q3 | 63,936,357 | $313,225,664 | +$18,493,484 | $4.90 | 97 |
| 2020 Q2 | 60,227,806 | $278,293,821 | +$4,447,332 | $4.62 | 87 |