STMUX Performance — Invesco Short Term Municipal Fund, Class R6
Data updated: 2026-07-30
STMUX returned +1.01% year to date and +3.53% over one year to May 2026. Annualised returns are +3.28% over 3 years and +2.14% over 5 years. The fund trailed its Short-Term Municipal Bond category average: $100 invested three years ago grew to $110, against $111 for the category, and to $104 over one year, against $104. Volatility over the past three years was 1.26% a year. In the 12 months to May 2026 the fund took in a net $94.2M, and assets reached $1.63B.
STMUX Growth of $100
What $100 invested in Invesco Short Term Municipal Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Short-Term Municipal Bond category average over the same months.
| Period | STMUX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $104 | $104 |
| 3 years (Jun 2023 – May 2026) | $110 | $111 |
| 5 years (Jun 2021 – May 2026) | $111 | $108 |
| Since data start (Sep 2019 – May 2026) | $116 | $112 |
STMUX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.01% |
| 1 year | +3.53% |
| 3 years (annualised) | +3.28% |
| 5 years (annualised) | +2.14% |
STMUX Annual Returns
Calendar-year total returns of Invesco Short Term Municipal Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +1.01% |
| 2025 | +3.72% |
| 2024 | +2.79% |
| 2023 | +3.44% |
| 2022 | −0.28% |
| 2021 | +0.53% |
| 2020 | +3.06% |
| 2019 (Sep–Dec) | +0.38% |
STMUX 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 | +0.5% | +0.5% | −0.8% | +0.5% | +0.3% | — | — | — | — | — | — | — |
| 2025 | +0.6% | +0.3% | 0.0% | 0.0% | +0.3% | +0.6% | +0.3% | +0.3% | +0.5% | +0.3% | +0.3% | +0.3% |
| 2024 | +0.3% | 0.0% | +0.3% | −0.2% | +0.3% | +0.6% | +0.6% | +0.6% | +0.3% | −0.2% | +0.6% | −0.2% |
| 2023 | +0.7% | −0.3% | +0.8% | 0.0% | 0.0% | +0.3% | +0.3% | 0.0% | −0.5% | +0.3% | +1.1% | +0.8% |
| 2022 | −0.5% | 0.0% | −0.5% | −0.2% | +0.4% | −0.2% | +0.4% | −0.2% | −0.4% | −0.1% | +1.0% | −0.1% |
| 2021 | +0.1% | −0.2% | +0.4% | +0.1% | +0.1% | +0.1% | 0.0% | 0.0% | −0.2% | 0.0% | 0.0% | 0.0% |
| 2020 | +0.4% | +0.4% | −0.9% | −0.1% | +1.2% | +0.7% | +0.4% | +0.2% | +0.1% | −0.1% | +0.4% | +0.3% |
| 2019 | — | — | — | — | — | — | — | — | −0.1% | +0.2% | +0.1% | +0.1% |
STMUX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 1.26%
- 3-year Sharpe ratio: -0.97 (vs 4.5% risk-free rate)
- Best month: +1.11% (Nov 2023)
- Worst month: −0.81% (Mar 2026)
STMUX Fund Flows
Monthly money in and out of Invesco Short Term Municipal Fund, from SEC Form N-PORT.
- 12-month net flow: $94.2M
- 12-month gross sales (incl. reinvestments): $795.6M
- Sales ÷ redemptions: 1.13×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $54.2M | $51.1M | $3.1M |
| Apr 2026 | $71.3M | $76.7M | −$5.4M |
| Mar 2026 | $82.2M | $53.0M | $29.2M |
| Feb 2026 | $64.5M | $57.6M | $6.8M |
| Jan 2026 | $79.9M | $61.6M | $18.3M |
| Dec 2025 | $57.3M | $52.8M | $4.5M |
| Nov 2025 | $86.3M | $84.9M | $1.4M |
| Oct 2025 | $60.0M | $53.7M | $6.4M |
| Sep 2025 | $54.9M | $55.0M | −$143K |
| Aug 2025 | $50.9M | $51.8M | −$928K |
| Jul 2025 | $85.8M | $37.1M | $48.7M |
| Jun 2025 | $48.4M | $66.3M | −$17.9M |
STMUX Assets Under Management
Net assets of Invesco Short Term Municipal Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $1.63B |
| 2026-02-28 | $1.62B |
| 2025-11-30 | $1.58B |
| 2025-08-31 | $1.57B |
| 2025-05-31 | $1.53B |
| 2025-02-28 | $1.53B |
| 2024-11-30 | $1.57B |
| 2024-08-31 | $1.57B |
| 2024-05-31 | $1.58B |
| 2024-02-29 | $1.67B |
| 2023-11-30 | $1.72B |
| 2023-08-31 | $1.82B |
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.