American Century High Yield Muni’s tendency to avoid outsize peer-relative bets results in a middle-of-the-road high-yield municipal-bond offering.
American Century High Yield Municipal Fund I Class AYMIX
- NAV / 1-Day Return 8.78 / +0.11 %
- Total Assets 577.2M
-
Adj. Expense Ratio
0.400%
- Expense Ratio 0.390%
- Distribution Fee Level Low
- Share Class Type Institutional
- Category High Yield Muni
- Credit Quality / Interest Rate Sensitivity —
- Min. Initial Investment 5M
- Status Open
- TTM Yield 4.53%
- Effective Duration 7.89 years
USD | NAV as of Jun 17, 2026 | 1-Day Return as of Jun 17, 2026, 12:11 AM GMT+0
Morningstar’s Analysis AYMIX
Will AYMIX outperform in the future?
Get our overall rating based on a fundamental assessment of the pillars below.
People Pillar
The People Pillar is our evaluation of the AYMIX management team’s experience and ability. We find that high-quality management teams deliver superior performance relative to their benchmarks and/or peers.
Parent Pillar
The Parent Pillar is our rating of AYMIX’s parent organization’s priorities and whether they’re in line with investors’ interests.
- Current Portfolio Date
- Equity Holdings —
- Bond Holdings —
- Other Holdings —
- % Assets in Top 10 Holdings 8.9
|
Top 10 Holdings
|
% Portfolio Weight
|
Market Value USD
|
Sector
|
|---|---|---|---|
BUCKEYE OHIO TOB SETTLEMENT FING AUTH 5% | 1.15 | 6M | municipal |
BUILD NYC RESOURCE CORP N Y REV 5.5% | 1.05 | 6M | municipal |
CENTRAL PLAINS ENERGY PROJ NEB GAS PROJ REV 5% | 0.93 | 5M | municipal |
NEW JERSEY ST TRANSN TR FD AUTH 5% | 0.92 | 5M | municipal |
ST LOUIS CNTY MO INDL DEV AUTH SR LIVING FACS REV 5.25% | 0.89 | 5M | municipal |
NEW JERSEY ECONOMIC DEV AUTH SPL FAC REV 5% | 0.88 | 5M | municipal |
PUBLIC FIN AUTH WIS REV 5.25% | 0.88 | 5M | municipal |
ESCAMBIA CNTY FLA HEALTH FACS AUTH HEALTH FAC REV 4% | 0.76 | 4M | municipal |
NEW YORK N Y 5% | 0.74 | 4M | municipal |
UIPA CROSSROADS PUB INFRASTRUCTURE DIST UTAH TAX DIFFERENTIAL REV 4.375% | 0.69 | 4M | municipal |
United States