ETMBX — Eaton Vance AMT-Free Municipal Income Fund
Data updated: 2026-08-27
ETMBX — Eaton Vance AMT-Free Municipal Income Fund. Long Municipal - National Bond · $174.17M AUM. Holdings, fees, performance and SEC filings.
ETMBX Fund Overview
ETMBX — Eaton Vance AMT-Free Municipal Income Fund is a US mutual fund managed by Eaton Vance Mutual Funds Trust, 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: Eaton Vance Mutual Funds Trust
- Category: Long Municipal - National Bond
- Assets under management: $174.17M
- 1-year return: 6.4%
- Ticker: ETMBX
- SEC CIK: 0000745463
- SEC series ID: S000005300
- Share class ID: C000014476
ETMBX Holdings
Top 10 holdings of Eaton Vance AMT-Free Municipal Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Pennsylvania Turnpike Commission | 6.58% |
| Anaheim Public Financing Authority | 4.27% |
| Harris County-Houston Sports Authority | 4.07% |
| Commonwealth of Massachusetts | 3.49% |
| New Jersey Economic Development Authority | 2.44% |
| Metropolitan Pier & Exposition Authority | 2.15% |
| E-470 Public Highway Authority | 2.11% |
| New Jersey Economic Development Authority | 1.83% |
| Delaware State Health Facilities Authority | 1.80% |
| Sherman Independent School District/TX | 1.79% |
ETMBX Portfolio Allocation
Asset-class allocation of Eaton Vance AMT-Free Municipal Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 102.2% |
| Cash & Equivalents | 0.5% |
ETMBX Performance
Total returns for ETMBX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.3% |
| 1 year | 6.4% |
| 3 years (annualised) | 3.2% |
| 5 years (annualised) | 0.1% |
ETMBX Risk Information
Risk metrics for ETMBX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.9%
ETMBX Costs and Fees
ETMBX costs about $83 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.83%
- Gross expense ratio: 0.91%
- Portfolio turnover: 89%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
ETMBX Cashflows
Over the 12 months to 2026-06, Eaton Vance AMT-Free Municipal Income Fund had net outflows of $21.88M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$723.17K |
| 2026-05 | −$1.32M |
| 2026-04 | −$33.92K |
| 2026-03 | $479.78K |
| 2026-02 | −$274.24K |
| 2026-01 | $3.43M |
ETMBX Debt Constituents
Largest debt holdings of Eaton Vance AMT-Free Municipal Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Pennsylvania Turnpike Commission | 6.58% |
| Anaheim Public Financing Authority | 4.27% |
| Harris County-Houston Sports Authority | 4.07% |
| Commonwealth of Massachusetts | 3.49% |
| New Jersey Economic Development Authority | 2.44% |
| Metropolitan Pier & Exposition Authority | 2.15% |
| E-470 Public Highway Authority | 2.11% |
| New Jersey Economic Development Authority | 1.83% |
| Delaware State Health Facilities Authority | 1.80% |
| Sherman Independent School District/TX | 1.79% |
ETMBX Prospectus and SEC Filings
Official Eaton Vance AMT-Free Municipal Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-27
- Prospectus (485BPOS) — filed 2025-01-23
- Prospectus supplement (497) — filed 2026-06-25
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-05-26
- Portfolio holdings (N-PORT) — filed 2026-02-27
- Annual census (N-CEN) — filed 2025-12-12
- Annual census (N-CEN) — filed 2024-12-05
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.