# Rockefeller California Municipal Bond ETF — new fund registration

Tidal Trust III registered 3 new fund series on Form 485APOS, filed 2024-05-22. Featured series: Rockefeller California Municipal Bond ETF.

## Registration

- Registrant / trust: Tidal Trust III
- CIK: 0001722388
- Form: 485APOS
- Filed: 2024-05-22
- State of incorporation: DE
- Accession: 0001839882-24-016092
- Reported net assets: $15.7M

## Series & classes (3)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Rockefeller California Municipal Bond ETF](https://search.stillhousedata.com/fund/S000086368) | Rockefeller California Municipal Bond ETF | RMCA | Yes |
| [Rockefeller New York Municipal Bond ETF](https://search.stillhousedata.com/fund/S000086369) | Rockefeller New York Municipal Bond ETF | RMNY | Yes |
| [Rockefeller Opportunistic Municipal Bond ETF](https://search.stillhousedata.com/fund/S000086370) | Rockefeller Opportunistic Municipal Bond ETF | RMOP | Yes |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.00%
- Gross expense ratio: 0.55%
- Management fee: 0.55%
- Other expenses: 0.00%

## Investment objective

The Fund seeks income exempt from U.S. federal and California state income tax.

## Advisers

- [Tidal Investments LLC (Advisor)](https://search.stillhousedata.com/firm/164201)
- [Rockefeller & Co. LLC (Subadvisor)](https://search.stillhousedata.com/firm/106264)

## Other filings by this registrant (15)

- [485APOS — 2026-07-09](https://search.stillhousedata.com/launch/0001999371-26-014639)
- [485APOS — 2026-06-02 (1 new series)](https://search.stillhousedata.com/launch/0001999371-26-011876)
- [485APOS — 2026-05-15 (8 new series)](https://search.stillhousedata.com/launch/0001999371-26-010824)
- [485APOS — 2026-05-15 (1 new series)](https://search.stillhousedata.com/launch/0001999371-26-010829)
- [485APOS — 2026-04-28 (3 new series)](https://search.stillhousedata.com/launch/0001999371-26-009238)
- [485APOS — 2026-02-13 (1 new series)](https://search.stillhousedata.com/launch/0001999371-26-003273)
- [485APOS — 2026-01-26 (1 new series)](https://search.stillhousedata.com/launch/0001999371-26-001604)
- [485APOS — 2026-01-21 (1 new series)](https://search.stillhousedata.com/launch/0001999371-26-001319)
- [485APOS — 2026-01-07 (1 new series)](https://search.stillhousedata.com/launch/0001999371-26-000329)
- [485APOS — 2025-11-12 (8 new series)](https://search.stillhousedata.com/launch/0001999371-25-017417)
- [485APOS — 2025-11-03 (8 new series)](https://search.stillhousedata.com/launch/0001999371-25-016715)
- [485APOS — 2025-10-07 (7 new series)](https://search.stillhousedata.com/launch/0001999371-25-014818)

## More

- [Registrant profile: Tidal Trust III](https://search.stillhousedata.com/registrant/1722388)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001839882-24-016092.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.