Who owns Western Asset High Income Opportunity Fund Inc?
Institutional ownership of HIO from SEC Form 13F filings across 82 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
82
13F holders
$83.2M
value, 2026 filers
26.5%
of shares outstanding (25.2M sh)
8
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of HIO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MORGAN STANLEY | 11.8M | $42.9M | 0.0% | 12.4% | +3.4% |
| 2 | Capital Investment Advisors, LLC | 2.3M | $8.5M | 0.1% | 2.4% | -54.1% |
| 3 | Penserra Capital Management LLC | 1.7M | $6,040 | 0.0% | 1.7% | +4.0% |
| 4 | Invesco Ltd. | 1.3M | $4.7M | 0.0% | 1.3% | -5.3% |
| 5 | WELLS FARGO & COMPANY/MN | 1.0M | $3.7M | 0.0% | 1.1% | +26.4% |
| 6 | LPL Financial LLC | 969,899 | $3.5M | 0.0% | 1% | +29.0% |
| 7 | RAYMOND JAMES FINANCIAL INC | 637,104 | $2.3M | 0.0% | 0.7% | -4.2% |
| 8 | UBS Group AG | 561,032 | $2.0M | 0.0% | 0.6% | -6.8% |
| 9 | Thrivent Financial for Lutherans | 548,932 | $1,998 | 0.0% | 0.6% | 0.0% |
| 10 | JONES FINANCIAL COMPANIES LLLP | 531,238 | $1.9M | 0.0% | 0.6% | +12.1% |
| 11 | Chicago Partners Investment Group LLC | 333,688 | $1.2M | 0.0% | 0.4% | -9.4% |
| 12 | BANK OF AMERICA CORP /DE/ | 305,060 | $1.1M | 0.0% | 0.3% | -3.6% |
| 13 | RFG Advisory, LLC | 273,827 | $996,731 | 0.0% | 0.3% | -4.6% |
| 14 | FIRST TRUST ADVISORS LP | 263,308 | $958,441 | 0.0% | 0.3% | +14.3% |
| 15 | ENVESTNET ASSET MANAGEMENT INC | 239,445 | $871,580 | 0.0% | 0.3% | +41.1% |
| 16 | Fortis Group Advisors, LLC | 206,291 | $750,900 | 0.1% | 0.2% | -2.0% |
| 17 | Quarry LP | 175,126 | $637,459 | 0.1% | 0.2% | -42.6% |
| 18 | ROYAL BANK OF CANADA | 141,224 | $514,000 | 0.0% | 0.1% | -3.3% |
| 19 | Cetera Investment Advisers | 128,283 | $466,950 | 0.0% | 0.1% | +17.0% |
| 20 | OSAIC HOLDINGS, INC. | 118,176 | $430,152 | 0.0% | 0.1% | +31.9% |
| 21 | COMMONWEALTH EQUITY SERVICES, LLC | 97,551 | $355,090 | 0.0% | 0.1% | -0.8% |
| 22 | Steward Partners Investment Advisory, LLC | 90,960 | $331,093 | 0.0% | 0.1% | -3.0% |
| 23 | Cambridge Investment Research Advisors, Inc. | 89,352 | $326 | 0.0% | 0.1% | +92.6% |
| 24 | STIFEL FINANCIAL CORP | 83,427 | $303,675 | 0.0% | 0.1% | -9.2% |
| 25 | MELFA WEALTH MANAGEMENT, INC. | 78,950 | $287,378 | 0.2% | 0.1% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.