Key facts
- MORGAN STANLEY filed SCHEDULE 13G for WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. Common Stock (HIO).
- Disclosed ownership: 6.2%.
- Date of event: 31 Mar 2026.
Key filing fact
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Morgan Stanley | 6.2% | 5,853,092 | 0 | 1,071,311 | Claire Gordon | Authorized Signatory, Morgan Stanley | |
| Parametric Portfolio Associates LLC | 5.8% | 5,469,095 | 0 | 687,314 | Cindy Kim | Authorized Signatory, Parametric Portfolio Associates LLC |
CIK / CUSIP context first