ABIMX Performance — AB Impact Municipal Income Shares
Data updated: 2026-09-24
ABIMX returned +0.98% year to date and +7.35% over one year to Jul 2026. Annualised returns are +4.02% over 3 years and +0.64% over 5 years. The fund beat its Long-Term Municipal Bond category average: $100 invested three years ago grew to $113, against $110 for the category, and to $107 over one year, against $106. Volatility over the past three years was 7.78% a year. In the 12 months to Jul 2026 the fund lost a net $14.3M, and assets reached $602.45M.
ABIMX Growth of $100
What $100 invested in AB Impact Municipal Income Shares 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 | ABIMX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $107 | $106 |
| 3 years (Aug 2023 – Jul 2026) | $113 | $110 |
| 5 years (Aug 2021 – Jul 2026) | $103 | $101 |
| Since data start (Aug 2019 – Jul 2026) | $116 | $110 |
ABIMX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.98% |
| 1 year | +7.35% |
| 3 years (annualised) | +4.02% |
| 5 years (annualised) | +0.64% |
ABIMX Annual Returns
Calendar-year total returns of AB Impact Municipal Income Shares, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +0.98% |
| 2025 | +3.54% |
| 2024 | +3.01% |
| 2023 | +8.90% |
| 2022 | −12.31% |
| 2021 | +4.29% |
| 2020 | +5.89% |
| 2019 (Aug–Dec) | +2.11% |
ABIMX 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 | +0.7% | +1.8% | −2.3% | +1.3% | +0.8% | +1.0% | −2.2% | — | — | — | — | — |
| 2025 | +0.2% | +1.4% | −1.9% | −1.2% | −0.7% | +0.5% | −0.9% | +0.7% | +3.6% | +1.6% | +0.4% | −0.1% |
| 2024 | −0.1% | 0.0% | +0.3% | −2.0% | +0.5% | +2.5% | +1.1% | +0.9% | +1.3% | −1.6% | +2.0% | −2.0% |
| 2023 | +3.7% | −2.5% | +1.9% | +0.1% | −0.6% | +1.1% | +0.5% | −1.5% | −3.9% | −2.2% | +8.9% | +3.7% |
| 2022 | −2.7% | −0.5% | −3.6% | −4.2% | +1.2% | −2.9% | +3.3% | −2.8% | −4.9% | −1.5% | +6.3% | −0.2% |
| 2021 | +1.2% | −1.8% | +0.9% | +1.3% | +0.7% | +0.6% | +1.0% | −0.4% | −0.9% | +0.1% | +1.3% | +0.3% |
| 2020 | +2.3% | +1.8% | −5.8% | −3.2% | +3.6% | +2.3% | +1.9% | −0.2% | 0.0% | −0.1% | +2.3% | +1.4% |
| 2019 | — | — | — | — | — | — | — | +2.4% | −0.8% | +0.1% | +0.2% | +0.3% |
ABIMX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 7.78%
- 3-year Sharpe ratio: -0.06 (vs 4.5% risk-free rate)
- Best month: +8.87% (Nov 2023)
- Worst month: −3.87% (Sep 2023)
ABIMX Fund Flows
Monthly money in and out of AB Impact Municipal Income Shares, from SEC Form N-PORT.
- 12-month net flow: −$14.3M
- 12-month gross sales (incl. reinvestments): $70.7M
- Sales ÷ redemptions: 0.83×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $4.0M | $9.6M | −$5.5M |
| Jun 2026 | $6.2M | $3.9M | $2.3M |
| May 2026 | $9.6M | $5.6M | $4.0M |
| Apr 2026 | $5.6M | $17.6M | −$12.0M |
| Mar 2026 | $5.4M | $4.3M | $1.2M |
| Feb 2026 | $3.7M | $3.7M | −$63K |
| Jan 2026 | $4.0M | $6.0M | −$2.0M |
| Dec 2025 | $7.5M | $9.6M | −$2.0M |
| Nov 2025 | $4.6M | $7.1M | −$2.6M |
| Oct 2025 | $4.7M | $8.4M | −$3.7M |
| Sep 2025 | $4.8M | $6.0M | −$1.2M |
| Aug 2025 | $10.6M | $3.2M | $7.4M |
ABIMX Assets Under Management
Net assets of AB Impact Municipal Income Shares by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $602.45M |
| 2026-04-30 | $611.37M |
| 2026-01-31 | $623.71M |
| 2025-10-31 | $631.29M |
| 2025-07-31 | $599.26M |
| 2025-04-30 | $610.04M |
| 2025-01-31 | $620.25M |
| 2024-10-31 | $585.34M |
| 2024-07-31 | $585.82M |
| 2024-04-30 | $571.10M |
| 2024-01-31 | $579.66M |
| 2023-10-31 | $513.35M |
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.