ABTFX — AB High Income Municipal Portfolio
Data updated: 2026-07-24
ABTFX — AB High Income Municipal Portfolio. Long Municipal - National Bond · $2.79B AUM · 1.87% expense ratio. Holdings, fees, performance and SEC filings.
ABTFX Fund Overview
ABTFX — AB High Income Municipal Portfolio is a US mutual fund managed by Ab Municipal Income Fund, Inc., 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: Ab Municipal Income Fund, Inc.
- Category: Long Municipal - National Bond
- Assets under management: $2.79B
- 1-year return: 6.7%
- Ticker: ABTFX
- SEC CIK: 0000798737
- SEC series ID: S000027380
- Share class ID: C000082628
ABTFX Holdings
Top 10 holdings of AB High Income Municipal Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Tobacco Settlement Financing Corp | 1.51% |
| Public Finance Authority | 0.89% |
| Tobacco Settlement Financing Corp/VA | 0.87% |
| Arc70 Ii Trust | 0.77% |
| Puerto Rico Sales Tax Financing Corp Sales Tax Revenue | 0.75% |
| Buckeye Tobacco Settlement Financing Authority | 0.69% |
| Bristol Industrial Development Board | 0.68% |
| Puerto Rico Sales Tax Financing Corp Sales Tax Revenue | 0.68% |
| New York Transportation Development Corp | 0.61% |
| New Hampshire Business Finance Authority | 0.59% |
ABTFX Portfolio Allocation
Asset-class allocation of AB High Income Municipal Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 100.4% |
| Securitized | 0.2% |
| Cash & Equivalents | 0.1% |
ABTFX Performance
Total returns for ABTFX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.6% |
| 1 year | 6.7% |
| 3 years (annualised) | 4.0% |
| 5 years (annualised) | -0.3% |
ABTFX Risk Information
Risk metrics for ABTFX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 5.5%
ABTFX Costs and Fees
ABTFX costs about $187 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.87%
- Gross expense ratio: 1.87%
- Portfolio turnover: 24%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
ABTFX Cashflows
Over the 12 months to 2026-05, AB High Income Municipal Portfolio had net outflows of $24.49M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-05 | −$2.21M |
| 2026-04 | $2.56M |
| 2026-03 | −$5.34M |
| 2026-02 | $13.24M |
| 2026-01 | $63.06M |
| 2025-12 | −$39.06M |
ABTFX Debt Constituents
Largest debt holdings of AB High Income Municipal Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Tobacco Settlement Financing Corp | 1.51% |
| Public Finance Authority | 0.89% |
| Tobacco Settlement Financing Corp/VA | 0.87% |
| Arc70 Ii Trust | 0.77% |
| Puerto Rico Sales Tax Financing Corp Sales Tax Revenue | 0.75% |
| Buckeye Tobacco Settlement Financing Authority | 0.69% |
| Bristol Industrial Development Board | 0.68% |
| Puerto Rico Sales Tax Financing Corp Sales Tax Revenue | 0.68% |
| New York Transportation Development Corp | 0.61% |
| New Hampshire Business Finance Authority | 0.59% |
ABTFX Prospectus and SEC Filings
Official AB High Income Municipal Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-09-26
- Prospectus (485BPOS) — filed 2024-09-26
- Prospectus (485BPOS) — filed 2023-09-27
- Portfolio holdings (N-PORT) — filed 2026-07-24
- Portfolio holdings (N-PORT) — filed 2026-04-24
- Portfolio holdings (N-PORT) — filed 2026-01-23
- Annual census (N-CEN) — filed 2025-08-14
- Annual census (N-CEN) — filed 2024-08-12
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.