# High-Yield Municipal Fund

High-Yield Municipal Fund is a registered fund series of American Century Municipal Trust (series S000006471). Net assets $577.0M as of 2026-05-31.

## Profile

- Series ID: S000006471
- Registrant: American Century Municipal Trust
- LEI: Y17UIXB580PSZBYV3P36
- Net assets: $577.0M
- Total assets: $583.5M
- As of: 2026-05-31

## Advisers

- [American Century Investment Management, Inc. (Advisor)](https://search.stillhousedata.com/firm/105778)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Buckeye Tobacco Settlement Financing Authority](https://search.stillhousedata.com/security/118217CZ9) | BUCGEN | $6.4M | 110.86% |
| [RIVERSPRING HLTH SENIOR](https://search.stillhousedata.com/security/12008EXU5) | BUIGEN | $5.9M | 102.82% |
| [Central Plains Energy Project](https://search.stillhousedata.com/security/154871CU9) | CENPWR | $5.2M | 90.70% |
| [New Jersey Transportation Trust Fund Authority](https://search.stillhousedata.com/security/6461365N7) | NJSTRN | $5.1M | 89.17% |
| [Public Finance Authority](https://search.stillhousedata.com/security/74442PN92) | PUBGEN | $5.1M | 88.35% |
| [PORT NEWARK CONTAINER](https://search.stillhousedata.com/security/64578CCF6) | NJSDEV | $5.0M | 86.78% |
| [FRNDSHP VLG ST LOUIS OBLG](https://search.stillhousedata.com/security/791524CP4) | STLDEV | $5.0M | 86.27% |
| [BAPTIST HOSP INC OBLIG GP](https://search.stillhousedata.com/security/296110GD5) | ESCMED | $4.4M | 75.44% |
| [City of New York NY](https://search.stillhousedata.com/security/64966MZY8) | NYC | $4.1M | 71.32% |
| [Uipa Crossroads Public Infrastructure District](https://search.stillhousedata.com/security/90279EAB0) | UIPDEV | $3.9M | 67.86% |
| [Main Street Natural Gas Inc](https://search.stillhousedata.com/security/56035DFT4) | MAIUTL | $3.8M | 66.56% |
| [Hastings Campus Housing Finance Authority](https://search.stillhousedata.com/security/418338AC3) | HCHGEN | $3.8M | 65.95% |
| [Chicago Board of Education](https://search.stillhousedata.com/security/167505PL4) | CHIEDU | $3.7M | 64.96% |
| [JFK INTL AIR TERMINAL LLC](https://search.stillhousedata.com/security/650116EV4) | NYTTRN | $3.7M | 64.23% |
| [MIRABELLA AT ASU INC](https://search.stillhousedata.com/security/87972MAX0) | TEMDEV | $3.7M | 64.06% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $577.0M |
| 2026-02-28 | $574.6M |
| 2025-11-30 | $569.1M |
| 2025-08-31 | $572.8M |
| 2025-05-31 | $569.5M |
| 2025-02-28 | $599.8M |
| 2024-11-30 | $610.5M |
| 2024-08-31 | $609.1M |

## More

- [Registrant: American Century Municipal Trust](https://search.stillhousedata.com/registrant/746458)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000006471.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.