# Arca U.S. Treasury Money Market Digital Fund — new fund registration

Arca Open-End Fund Trust registered fund series on Form N-1A/A, filed 2026-03-20. Featured series: Arca U.S. Treasury Money Market Digital Fund.

## Registration

- Registrant / trust: Arca Open-End Fund Trust
- CIK: 0002031240
- Form: N-1A/A
- Filed: 2026-03-20
- State of incorporation: DE
- Accession: 0001580642-26-001933

## Series & classes (1)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Arca U.S. Treasury Money Market Digital Fund](https://search.stillhousedata.com/fund/S000088189) | Arca U.S. Treasury Money Market Digital Fund | — | — |

## Other filings by this registrant (2)

- [N-1A/A — 2024-10-04](https://search.stillhousedata.com/launch/0001580642-24-006020)
- [N-1A — 2024-07-24 (1 new series)](https://search.stillhousedata.com/launch/0001580642-24-003809)

## More

- [Registrant profile: Arca Open-End Fund Trust](https://search.stillhousedata.com/registrant/2031240)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001580642-26-001933.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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