SMHLX — Western Asset Municipal High Income Fund
Data updated: 2026-06-26
SMHLX — Western Asset Municipal High Income Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Municipal - National Bond · $256.75M AUM · 1.36% expense ratio · 5.6% 1-yr return. From SEC regulatory filings.
SMHLX Fund Overview
SMHLX — Western Asset Municipal High Income 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: $256.75M
- 1-year return: 5.6%
- Ticker: SMHLX
- SEC CIK: 0000764624
- SEC series ID: S000008976
- Share class ID: C000024389
SMHLX Holdings
Top 10 holdings of Western Asset Municipal High Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| New York Transportation Development Corp. (ny) | 3.72% |
| California Pollution Control Financing Authority (ca) | 2.92% |
| Phoenix City Industrial Development Authority (the) (az) | 2.64% |
| New York Transportation Development Corp. (ny) | 2.40% |
| Pennsylvania Economic Development Financing Authority (pa) | 2.11% |
| Public Authority For Colorado Energy (co) | 2.08% |
| Puerto Rico Sales Tax Financing Corp. | 1.97% |
| Ny Nyshgr 4 03/15/2045 | 1.77% |
| M-S-R Energy Authority (ca) | 1.63% |
| Broward (fl), County Of | 1.53% |
SMHLX Portfolio Allocation
Asset-class allocation of Western Asset Municipal High Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 101.7% |
SMHLX Performance
Total returns for SMHLX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.2% |
| 1 year | 5.6% |
| 3 years (annualised) | 3.6% |
| 5 years (annualised) | 0.7% |
SMHLX Risk Information
Risk metrics for SMHLX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.9%
SMHLX Costs and Fees
SMHLX costs about $136 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.36%
- Gross expense ratio: 1.36%
- Portfolio turnover: 12%
- Brokerage commissions: 0.03 bps of average net assets (SEC N-CEN)
SMHLX Cashflows
Over the 12 months to 2026-04, Western Asset Municipal High Income Fund had net outflows of $34.06M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$2.87M |
| 2026-03 | $321.42K |
| 2026-02 | −$589.40K |
| 2026-01 | −$1.80M |
| 2025-12 | −$5.46M |
| 2025-11 | −$3.88M |
SMHLX Debt Constituents
Largest debt holdings of Western Asset Municipal High Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| New York Transportation Development Corp. (ny) | 3.72% |
| California Pollution Control Financing Authority (ca) | 2.92% |
| Phoenix City Industrial Development Authority (the) (az) | 2.64% |
| New York Transportation Development Corp. (ny) | 2.40% |
| Pennsylvania Economic Development Financing Authority (pa) | 2.11% |
| Public Authority For Colorado Energy (co) | 2.08% |
| Puerto Rico Sales Tax Financing Corp. | 1.97% |
| Ny Nyshgr 4 03/15/2045 | 1.77% |
| M-S-R Energy Authority (ca) | 1.63% |
| Broward (fl), County Of | 1.53% |
SMHLX Prospectus and SEC Filings
Official Western Asset Municipal High Income 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.