AMABX — AB Massachusetts Portfolio
Data updated: 2026-07-24
AMABX — AB Massachusetts Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Municipal - National Bond · $269.61M AUM · 1.53% expense ratio. From SEC regulatory filings.
AMABX Fund Overview
AMABX — AB Massachusetts Portfolio is a US mutual fund managed by Ab Municipal Income Fund II, 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 II
- Category: Long Municipal - National Bond
- Assets under management: $269.61M
- Ticker: AMABX
- SEC CIK: 0000899774
- SEC series ID: S000010355
- Share class ID: C000028644
AMABX Holdings
Top 10 holdings of AB Massachusetts Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Alliance Bernstein | 2.97% |
| City of Quincy MA | 2.72% |
| Massachusetts Development Finance Agency | 2.65% |
| Massachusetts Water Resources Authority | 2.05% |
| Commonwealth of Massachusetts | 1.92% |
| Commonwealth of Massachusetts | 1.89% |
| Massachusetts Port Authority | 1.87% |
| Massachusetts Port Authority | 1.83% |
| Massachusetts Development Finance Agency | 1.57% |
| Massachusetts Bay Transportation Authority Sales Tax Revenue | 1.56% |
AMABX Portfolio Allocation
Asset-class allocation of AB Massachusetts Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 100.0% |
| Cash & Equivalents | 3.0% |
| Real Estate | 0.1% |
AMABX Costs and Fees
AMABX costs about $153 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.53%
- Gross expense ratio: 1.69%
- Portfolio turnover: 20%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
AMABX Cashflows
Over the 12 months to 2026-02, AB Massachusetts Portfolio had net inflows of $7.71M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$2.59M |
| 2026-01 | $644.59K |
| 2025-12 | $1.15M |
| 2025-11 | $6.87M |
| 2025-10 | $3.94M |
| 2025-09 | −$415.65K |
AMABX Debt Constituents
Largest debt holdings of AB Massachusetts Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| City of Quincy MA | 2.72% |
| Massachusetts Development Finance Agency | 2.65% |
| Massachusetts Water Resources Authority | 2.05% |
| Commonwealth of Massachusetts | 1.92% |
| Commonwealth of Massachusetts | 1.89% |
| Massachusetts Port Authority | 1.87% |
| Massachusetts Port Authority | 1.83% |
| Massachusetts Development Finance Agency | 1.57% |
| Massachusetts Bay Transportation Authority Sales Tax Revenue | 1.56% |
| Massachusetts Port Authority | 1.55% |
AMABX Prospectus and SEC Filings
Official AB Massachusetts 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.