STXAX Performance — Western Asset Municipal High Income Fund, Class A
Data updated: 2026-10-09
STXAX returned +1.17% year to date and +7.09% over one year to Jul 2026. Annualised returns are +3.89% over 3 years and +0.72% over 5 years. The fund beat its Long-Term Municipal Bond category average: $100 invested three years ago grew to $112, against $110 for the category, and to $107 over one year, against $106. Volatility over the past three years was 6.63% a year. In the 12 months to Jul 2026 the fund lost a net $38.4M, and assets reached $243.60M.
STXAX Growth of $100
What $100 invested in Western Asset Municipal High Income Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Long-Term Municipal Bond category average over the same months.
| Period | STXAX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $107 | $106 |
| 3 years (Aug 2023 – Jul 2026) | $112 | $110 |
| 5 years (Aug 2021 – Jul 2026) | $104 | $101 |
| Since data start (Aug 2019 – Jul 2026) | $114 | $110 |
STXAX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.17% |
| 1 year | +7.09% |
| 3 years (annualised) | +3.89% |
| 5 years (annualised) | +0.72% |
STXAX Annual Returns
Calendar-year total returns of Western Asset Municipal High Income Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +1.17% |
| 2025 | +3.26% |
| 2024 | +3.40% |
| 2023 | +8.00% |
| 2022 | −10.77% |
| 2021 | +3.89% |
| 2020 | +3.76% |
| 2019 (Aug–Dec) | +2.03% |
STXAX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.8% | +1.5% | −2.1% | +1.2% | +0.8% | +1.1% | −2.0% | — | — | — | — | — |
| 2025 | +0.3% | +1.1% | −1.7% | −1.3% | −0.6% | +0.7% | −1.0% | +1.0% | +3.3% | +1.2% | +0.2% | +0.1% |
| 2024 | +0.4% | +0.1% | +0.3% | −1.3% | +0.4% | +2.0% | +0.8% | +0.9% | +1.1% | −1.4% | +1.5% | −1.5% |
| 2023 | +3.6% | −2.3% | +1.5% | +0.4% | −0.3% | +0.8% | +0.3% | −1.2% | −3.2% | −2.1% | +7.4% | +3.1% |
| 2022 | −2.3% | −0.6% | −3.0% | −2.8% | +0.9% | −2.6% | +2.8% | −2.1% | −4.5% | −1.6% | +5.1% | −0.2% |
| 2021 | +1.4% | −1.5% | +0.8% | +1.4% | +0.8% | +0.7% | +0.8% | −0.4% | −1.0% | −0.2% | +1.1% | +0.2% |
| 2020 | +1.8% | +1.4% | −8.2% | −1.9% | +2.7% | +2.8% | +2.1% | +0.1% | −0.1% | −0.1% | +2.2% | +1.3% |
| 2019 | — | — | — | — | — | — | — | +1.7% | −0.6% | +0.3% | +0.2% | +0.3% |
STXAX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 6.63%
- 3-year Sharpe ratio: -0.09 (vs 4.5% risk-free rate)
- Best month: +7.40% (Nov 2023)
- Worst month: −3.19% (Sep 2023)
STXAX Fund Flows
Monthly money in and out of Western Asset Municipal High Income Fund, from SEC Form N-PORT.
- 12-month net flow: −$38.4M
- 12-month gross sales (incl. reinvestments): $39.2M
- Sales ÷ redemptions: 0.50×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $3.7M | $10.4M | −$6.7M |
| Jun 2026 | $2.2M | $5.0M | −$2.8M |
| May 2026 | $2.4M | $3.5M | −$1.1M |
| Apr 2026 | $2.2M | $5.1M | −$2.9M |
| Mar 2026 | $3.1M | $2.8M | $321K |
| Feb 2026 | $3.0M | $3.6M | −$589K |
| Jan 2026 | $3.4M | $5.2M | −$1.8M |
| Dec 2025 | $6.7M | $12.1M | −$5.5M |
| Nov 2025 | $2.8M | $6.7M | −$3.9M |
| Oct 2025 | $2.9M | $9.2M | −$6.2M |
| Sep 2025 | $3.4M | $6.0M | −$2.6M |
| Aug 2025 | $3.3M | $8.0M | −$4.7M |
STXAX Assets Under Management
Net assets of Western Asset Municipal High Income Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $243.60M |
| 2026-04-30 | $256.75M |
| 2026-01-30 | $260.95M |
| 2025-10-31 | $271.84M |
| 2025-07-31 | $273.32M |
| 2025-04-30 | $285.05M |
| 2025-01-31 | $314.36M |
| 2024-10-31 | $321.99M |
| 2024-07-31 | $334.38M |
| 2024-04-30 | $331.80M |
| 2024-01-31 | $330.78M |
| 2023-10-31 | $293.49M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.