SOISX — Western Asset Oregon Municipals Fund
Data updated: 2026-06-22
SOISX — Western Asset Oregon Municipals Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Municipal - National Bond · $39.60M AUM · 0.52% expense ratio. From SEC regulatory filings.
SOISX Fund Overview
SOISX — Western Asset Oregon Municipals Fund is a US mutual fund managed by Legg Mason Partners Income Trust, categorised as Long Municipal - National Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Legg Mason Partners Income Trust
- Category: Long Municipal - National Bond
- Assets under management: $39.60M
- Ticker: SOISX
- SEC CIK: 0000764624
- SEC series ID: S000016636
- Share class ID: C000195075
SOISX Holdings
Top 10 holdings of Western Asset Oregon Municipals Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Metro (or) | 7.63% |
| Oregon (or), State Of | 6.23% |
| Eugene Ore | 5.64% |
| Tigard Tualatin School District N.23j (or) | 5.32% |
| Salem Hospital Facility Authority (or) | 5.28% |
| Oregon Facilities Authority (or) | 5.05% |
| North Clackamas School District N.12 (or) | 4.55% |
| Springfield School District N.19 (or) | 4.53% |
| Port Of Portland The (or) | 4.52% |
| Polk Marion & Benton Counties Central School District N.13j (or) | 3.92% |
SOISX Portfolio Allocation
Asset-class allocation of Western Asset Oregon Municipals Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 99.0% |
SOISX Performance
Total returns for SOISX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.9% |
| 1 year | 6.0% |
| 3 years (annualised) | 3.2% |
| 5 years (annualised) | 0.7% |
SOISX Risk Information
Risk metrics for SOISX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.9%
SOISX Costs and Fees
SOISX costs about $52 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.52%
- Gross expense ratio: 0.85%
- Portfolio turnover: 18%
- Brokerage commissions: 0.04 bps of average net assets (SEC N-CEN)
SOISX Cashflows
Over the 12 months to 2026-04, Western Asset Oregon Municipals Fund had net outflows of $3.53M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$218.43K |
| 2026-03 | −$861.65K |
| 2026-02 | −$11.71K |
| 2026-01 | $470.38K |
| 2025-12 | −$367.78K |
| 2025-11 | $146.80K |
SOISX Debt Constituents
Largest debt holdings of Western Asset Oregon Municipals Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Metro (or) | 7.63% |
| Oregon (or), State Of | 6.23% |
| Eugene Ore | 5.64% |
| Tigard Tualatin School District N.23j (or) | 5.32% |
| Salem Hospital Facility Authority (or) | 5.28% |
| Oregon Facilities Authority (or) | 5.05% |
| North Clackamas School District N.12 (or) | 4.55% |
| Springfield School District N.19 (or) | 4.53% |
| Port Of Portland The (or) | 4.52% |
| Polk Marion & Benton Counties Central School District N.13j (or) | 3.92% |
SOISX Prospectus and SEC Filings
Official Western Asset Oregon Municipals Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Municipal - National Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.