AIDBX — Diversified Municipal Portfolio
Data updated: 2026-05-26
AIDBX — Diversified Municipal Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Municipal - National Bond · $5.29B AUM · 1.56% expense ratio. From SEC regulatory filings.
AIDBX Fund Overview
AIDBX — Diversified Municipal Portfolio is a US mutual fund managed by Bernstein Sanford C Fund INC, categorised as Intermediate 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: Bernstein Sanford C Fund INC
- Category: Intermediate Municipal - National Bond
- Assets under management: $5.29B
- Ticker: AIDBX
- SEC CIK: 0000832808
- SEC series ID: S000011055
- Share class ID: C000030491
AIDBX Holdings
Top 10 holdings of Diversified Municipal Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Patriots Energy Group Financing Agency | 1.01% |
| Tennessee Energy Acquisition Corp | 0.85% |
| Southeast Energy Authority A Cooperative District | 0.84% |
| New Jersey Transportation Trust Fund Authority | 0.77% |
| County of Miami-Dade FL Aviation Revenue | 0.66% |
| Colorado State Education Loan Program | 0.65% |
| Main Street Natural Gas Inc | 0.57% |
| Illinois State Toll Highway Authority | 0.54% |
| Private Colleges & Universities Authority | 0.53% |
| Town of Oyster Bay NY | 0.53% |
AIDBX Portfolio Allocation
Asset-class allocation of Diversified Municipal Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.5% |
| Securitized | 0.7% |
| Real Estate | 0.1% |
AIDBX Costs and Fees
AIDBX costs about $156 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.56%
- Gross expense ratio: 1.56%
- Portfolio turnover: 26%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
AIDBX Cashflows
Over the 12 months to 2026-03, Diversified Municipal Portfolio had net inflows of $449.78M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$27.70M |
| 2026-02 | $18.72M |
| 2026-01 | −$4.37M |
| 2025-12 | $93.13M |
| 2025-11 | $12.65M |
| 2025-10 | $47.58M |
AIDBX Debt Constituents
Largest debt holdings of Diversified Municipal Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Patriots Energy Group Financing Agency | 1.01% |
| Tennessee Energy Acquisition Corp | 0.85% |
| Southeast Energy Authority A Cooperative District | 0.84% |
| New Jersey Transportation Trust Fund Authority | 0.77% |
| County of Miami-Dade FL Aviation Revenue | 0.66% |
| Colorado State Education Loan Program | 0.65% |
| Main Street Natural Gas Inc | 0.57% |
| Illinois State Toll Highway Authority | 0.54% |
| Private Colleges & Universities Authority | 0.53% |
| Town of Oyster Bay NY | 0.53% |
AIDBX Prospectus and SEC Filings
Official Diversified Municipal Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate 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.