ABTFX Performance — AB High Income Municipal Portfolio, Class C
Data updated: 2026-09-25
ABTFX returned +0.34% year to date and +6.51% over one year to Jul 2026. Annualised returns are +3.46% over 3 years and −0.98% over 5 years. The fund beat its Long-Term Municipal Bond category average: $100 invested three years ago grew to $111, against $110 for the category, and to $107 over one year, against $106. Volatility over the past three years was 8.28% a year. In the 12 months to Jul 2026 the fund lost a net $14.3M, and assets reached $2.75B.
ABTFX Growth of $100
What $100 invested in AB High Income Municipal Portfolio 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 | ABTFX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $107 | $106 |
| 3 years (Aug 2023 – Jul 2026) | $111 | $110 |
| 5 years (Aug 2021 – Jul 2026) | $95 | $101 |
| Since data start (Sep 2019 – Jul 2026) | $105 | $108 |
ABTFX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.34% |
| 1 year | +6.51% |
| 3 years (annualised) | +3.46% |
| 5 years (annualised) | −0.98% |
ABTFX Annual Returns
Calendar-year total returns of AB High Income Municipal Portfolio, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +0.34% |
| 2025 | +3.33% |
| 2024 | +3.59% |
| 2023 | +5.53% |
| 2022 | −16.02% |
| 2021 | +5.44% |
| 2020 | +4.05% |
| 2019 (Sep–Dec) | +0.19% |
ABTFX 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% | +2.0% | −2.9% | +1.3% | +0.8% | +1.4% | −2.6% | — | — | — | — | — |
| 2025 | +0.6% | +1.8% | −2.2% | −1.2% | −0.6% | +0.2% | −1.2% | +1.1% | +3.4% | +1.4% | +0.3% | −0.2% |
| 2024 | +0.4% | +0.1% | +0.5% | −2.2% | +0.7% | +3.1% | +0.9% | +1.3% | +1.6% | −2.2% | +1.6% | −2.3% |
| 2023 | +4.5% | −3.4% | +1.9% | +0.5% | −1.2% | +0.1% | +0.1% | −1.8% | −4.5% | −2.6% | +8.7% | +3.8% |
| 2022 | −2.9% | −0.9% | −4.2% | −4.4% | +1.7% | −4.4% | +4.0% | −2.6% | −6.7% | −2.5% | +6.8% | −0.6% |
| 2021 | +1.9% | −1.8% | +0.9% | +1.3% | +1.0% | +1.0% | +1.0% | −0.4% | −1.0% | −0.1% | +1.3% | +0.2% |
| 2020 | +2.4% | +1.9% | −10.7% | −3.2% | +3.2% | +3.9% | +2.8% | +0.1% | −0.2% | +0.1% | +2.6% | +2.0% |
| 2019 | — | — | — | — | — | — | — | — | −0.5% | −0.1% | +0.2% | +0.6% |
ABTFX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 8.28%
- 3-year Sharpe ratio: -0.13 (vs 4.5% risk-free rate)
- Best month: +8.71% (Nov 2023)
- Worst month: −4.49% (Sep 2023)
ABTFX Fund Flows
Monthly money in and out of AB High Income Municipal Portfolio, from SEC Form N-PORT.
- 12-month net flow: −$14.3M
- 12-month gross sales (incl. reinvestments): $798.3M
- Sales ÷ redemptions: 0.98×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $55.5M | $47.7M | $7.8M |
| Jun 2026 | $53.5M | $49.0M | $4.5M |
| May 2026 | $44.9M | $47.1M | −$2.2M |
| Apr 2026 | $55.6M | $53.0M | $2.6M |
| Mar 2026 | $46.8M | $52.1M | −$5.3M |
| Feb 2026 | $67.8M | $54.6M | $13.2M |
| Jan 2026 | $102.5M | $39.4M | $63.1M |
| Dec 2025 | $78.8M | $117.8M | −$39.1M |
| Nov 2025 | $78.9M | $84.7M | −$5.8M |
| Oct 2025 | $51.7M | $92.4M | −$40.7M |
| Sep 2025 | $99.9M | $89.6M | $10.3M |
| Aug 2025 | $62.3M | $85.1M | −$22.8M |
ABTFX Assets Under Management
Net assets of AB High Income Municipal Portfolio by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $2.75B |
| 2026-05-31 | $2.79B |
| 2026-02-28 | $2.84B |
| 2025-11-30 | $2.77B |
| 2025-08-31 | $2.69B |
| 2025-05-31 | $2.73B |
| 2025-02-28 | $3.01B |
| 2024-11-30 | $3.07B |
| 2024-08-31 | $3.01B |
| 2024-05-31 | $2.79B |
| 2024-02-29 | $2.87B |
| 2023-11-30 | $2.87B |
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.