# F/m Ultrashort Tax-Free Municipal ET

F/m Ultrashort Tax-Free Municipal ET is a registered fund series of RBB Fund, Inc. (series S000091541). Net assets $27.0M as of 2026-05-31.

## Profile

- Series ID: S000091541
- Registrant: RBB Fund, Inc.
- LEI: 52990062C6AO3Y37DA43
- Net assets: $27.0M
- Total assets: $29.1M
- As of: 2026-05-31

## Top holdings (158 reported)

_Showing 15 of 158 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [BlackRock Liquidity Funds Muni](https://search.stillhousedata.com/security/09248U841) | MCSXX | $2.7M | 1013.15% |
| [SOUTH DAKOTA ST HLTH & EDUCTNL](https://search.stillhousedata.com/security/83755VWA8) | — | $1.0M | 370.14% |
| [NEW YORK ST DORM AUTH ST PERSO](https://search.stillhousedata.com/security/64990E3C9) | — | $753K | 278.73% |
| [UNIV OF KENTUCKY KY GEN RECPTS](https://search.stillhousedata.com/security/914378ME1) | — | $735K | 271.97% |
| [GREAT LAKES MI WTR AUTH WTR SP](https://search.stillhousedata.com/security/39081JAG3) | — | $702K | 259.64% |
| [LEE CNTY FL SCH BRD COPS](https://search.stillhousedata.com/security/523494PR7) | — | $647K | 239.34% |
| [ILLINOIS ST](https://search.stillhousedata.com/security/452152A43) | — | $601K | 222.51% |
| [NORTH CAROLINA ST MUNI PWR AGY](https://search.stillhousedata.com/security/658203X41) | — | $586K | 216.78% |
| [WASHINGTON ST](https://search.stillhousedata.com/security/93974DYF9) | — | $502K | 185.78% |
| [LOS ANGELES CNTY CA PUBLIC WKS](https://search.stillhousedata.com/security/54473ERF3) | — | $501K | 185.36% |
| [WISCONSIN ST HLTH & EDUCTNL FA](https://search.stillhousedata.com/security/97712DRA6) | — | $501K | 185.27% |
| [SAN JOSE CA EVERGREEN CMNTY CL](https://search.stillhousedata.com/security/798189LW4) | — | $500K | 185.14% |
| [HOUSTON TX UTILITY SYS REVENUE](https://search.stillhousedata.com/security/4424355W9) | — | $500K | 185.13% |
| [NEVADA ST HIGHWAY IMPT REVENUE](https://search.stillhousedata.com/security/641480HZ4) | — | $426K | 157.48% |
| [MASSACHUSETTS ST WTR RESOURCES](https://search.stillhousedata.com/security/576051S49) | — | $422K | 156.02% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $27.0M |
| 2026-02-28 | $11.5M |
| 2025-11-30 | $11.0M |

## More

- [Registrant: RBB Fund, Inc.](https://search.stillhousedata.com/registrant/831114)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000091541.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.