ABTYX — AB High Income Municipal Portfolio
Data updated: 2026-07-24
ABTYX — AB High Income Municipal Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Municipal - National Bond · $2.79B AUM · 0.87% expense ratio · 4.4% 1-yr return. From SEC regulatory filings.
ABTYX Fund Overview
ABTYX — 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: 4.4%
- Ticker: ABTYX
- SEC CIK: 0000798737
- SEC series ID: S000027380
- Share class ID: C000082629
ABTYX 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% |
ABTYX 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% |
ABTYX Performance
Total returns for ABTYX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.6% |
| 1 year | 4.4% |
| 3 years (annualised) | 5.7% |
| 5 years (annualised) | 1.5% |
ABTYX Risk Information
Risk metrics for ABTYX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 5.3%
ABTYX Costs and Fees
ABTYX costs about $87 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.87%
- Gross expense ratio: 0.87%
- Portfolio turnover: 24%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
ABTYX Cashflows
Over the 12 months to 2026-02, AB High Income Municipal Portfolio had net outflows of $146.68M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $13.24M |
| 2026-01 | $63.06M |
| 2025-12 | −$39.06M |
| 2025-11 | −$5.79M |
| 2025-10 | −$40.66M |
| 2025-09 | $10.32M |
ABTYX 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% |
ABTYX Prospectus and SEC Filings
Official AB High Income Municipal Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
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.