WTAIX — Wilmington Municipal Bond Fund
Data updated: 2026-07-14
WTAIX — Wilmington Municipal Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Municipal - National Bond · $366.93M AUM · 0.49% expense ratio · 5.6% 1-yr return. From SEC regulatory filings.
WTAIX Fund Overview
WTAIX — Wilmington Municipal Bond Fund is a US mutual fund managed by Wilmington Funds, 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: Wilmington Funds
- Category: Intermediate Municipal - National Bond
- Assets under management: $366.93M
- 1-year return: 5.6%
- Ticker: WTAIX
- SEC CIK: 0000830744
- SEC series ID: S000034846
- Share class ID: C000107165
WTAIX Holdings
Top 10 holdings of Wilmington Municipal Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Salt Lake (ut), County Of | 1.42% |
| North Carolina Municipal Power Agency N.1 (nc) | 1.24% |
| Georgia Loc Government Ctfs Partn | 1.21% |
| Hall County And Gainesville City Hospital Authority (the) (ga) | 1.17% |
| Public Energy Authority Of Kentucky (ky) | 1.10% |
| Texas (tx), State Of | 1.08% |
| Cleveland-Cuyahoga County Port Authority (oh) | 1.08% |
| Prosper Independent School District (tx) | 1.02% |
| Black Belt Energy Gas District (the) (al) | 1.01% |
| Mesa (az), City Of | 0.94% |
WTAIX Portfolio Allocation
Asset-class allocation of Wilmington Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.7% |
| Cash & Equivalents | 0.3% |
WTAIX Performance
Total returns for WTAIX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.5% |
| 1 year | 5.6% |
| 3 years (annualised) | 3.1% |
| 5 years (annualised) | 0.8% |
WTAIX Risk Information
Risk metrics for WTAIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.3%
WTAIX Costs and Fees
WTAIX costs about $49 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.49%
- Gross expense ratio: 0.63%
- Portfolio turnover: 22%
- Brokerage commissions: 0.03 bps of average net assets (SEC N-CEN)
WTAIX Cashflows
Over the 12 months to 2026-04, Wilmington Municipal Bond Fund had net inflows of $21.46M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$359.14K |
| 2026-03 | −$2.11M |
| 2026-02 | $2.25M |
| 2026-01 | $183.50K |
| 2025-12 | $157.95K |
| 2025-11 | $1.11M |
WTAIX Debt Constituents
Largest debt holdings of Wilmington Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Salt Lake (ut), County Of | 1.42% |
| North Carolina Municipal Power Agency N.1 (nc) | 1.24% |
| Georgia Loc Government Ctfs Partn | 1.21% |
| Hall County And Gainesville City Hospital Authority (the) (ga) | 1.17% |
| Public Energy Authority Of Kentucky (ky) | 1.10% |
| Texas (tx), State Of | 1.08% |
| Cleveland-Cuyahoga County Port Authority (oh) | 1.08% |
| Prosper Independent School District (tx) | 1.02% |
| Black Belt Energy Gas District (the) (al) | 1.01% |
| Mesa (az), City Of | 0.94% |
WTAIX Prospectus and SEC Filings
Official Wilmington Municipal Bond Fund 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.