# First Trust Developed International Markets AlphaDEX Fund — new fund registration

First Trust Exchange Traded Fund III registered 2 new fund series on Form N-1A, filed 2010-01-29. Featured series: First Trust Developed International Markets AlphaDEX Fund.

## Registration

- Registrant / trust: First Trust Exchange Traded Fund III
- CIK: 0001424212
- Form: N-1A
- Filed: 2010-01-29
- Accession: 0001445546-10-000684

## Series & classes (2)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [First Trust Developed International Markets AlphaDEX Fund](https://search.stillhousedata.com/fund/S000028679) | First Trust Developed International Markets AlphaDEX Fund | — | Yes |
| [First Trust Emerging Markets AlphaDEX Fund](https://search.stillhousedata.com/fund/S000028680) | First Trust Emerging Markets AlphaDEX Fund | — | Yes |

## Other filings by this registrant (15)

- [485APOS — 2026-06-30](https://search.stillhousedata.com/launch/0001445546-26-004768)
- [485APOS — 2026-06-25](https://search.stillhousedata.com/launch/0001445546-26-004611)
- [485APOS — 2026-02-19](https://search.stillhousedata.com/launch/0001445546-26-001259)
- [485APOS — 2020-10-14 (1 new series)](https://search.stillhousedata.com/launch/0001445546-20-004971)
- [485APOS — 2020-05-01 (1 new series)](https://search.stillhousedata.com/launch/0001445546-20-002333)
- [485APOS — 2019-12-30 (1 new series)](https://search.stillhousedata.com/launch/0001445546-19-005288)
- [485APOS — 2019-10-18 (1 new series)](https://search.stillhousedata.com/launch/0001445546-19-004334)
- [485APOS — 2018-08-17 (1 new series)](https://search.stillhousedata.com/launch/0001445546-18-003682)
- [485APOS — 2018-08-17 (1 new series)](https://search.stillhousedata.com/launch/0001445546-18-003680)
- [485APOS — 2017-05-04 (1 new series)](https://search.stillhousedata.com/launch/0001445546-17-002176)
- [485APOS — 2017-03-24 (1 new series)](https://search.stillhousedata.com/launch/0001445546-17-001553)
- [485APOS — 2016-06-06 (2 new series)](https://search.stillhousedata.com/launch/0001445546-16-008913)

## More

- [Registrant profile: First Trust Exchange Traded Fund III](https://search.stillhousedata.com/registrant/1424212)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001445546-10-000684.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.