# Defiance Inference AI Chip ETF — new fund registration

ETF Series Solutions registered 4 new fund series on Form 485APOS, filed 2026-05-20. Featured series: Defiance Inference AI Chip ETF.

## Registration

- Registrant / trust: ETF Series Solutions
- CIK: 0001540305
- Form: 485APOS
- Filed: 2026-05-20
- State of incorporation: DE
- Accession: 0000894189-26-015074

## Series & classes (4)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Defiance Inference AI Chip ETF](https://search.stillhousedata.com/fund/S000107090) | Defiance Inference AI Chip ETF | — | Yes |
| [Defiance AI Packaging & Testing ETF](https://search.stillhousedata.com/fund/S000107091) | Defiance AI Packaging & Testing ETF | — | Yes |
| [Defiance Memory & Photonics ETF](https://search.stillhousedata.com/fund/S000107092) | Defiance Memory & Photonics ETF | — | Yes |
| [Defiance Plumbing & Electrical ETF](https://search.stillhousedata.com/fund/S000107093) | Defiance Plumbing & Electrical ETF | — | Yes |

## Other filings by this registrant (15)

- [485APOS — 2026-08-05 (1 new series)](https://search.stillhousedata.com/launch/0000894189-26-021942)
- [485APOS — 2026-07-29 (1 new series)](https://search.stillhousedata.com/launch/0000894189-26-021654)
- [485APOS — 2026-06-29 (1 new series)](https://search.stillhousedata.com/launch/0000894189-26-020765)
- [485APOS — 2026-06-26 (1 new series)](https://search.stillhousedata.com/launch/0000894189-26-019873)
- [485APOS — 2026-06-22](https://search.stillhousedata.com/launch/0000894189-26-018019)
- [485APOS — 2026-05-29 (1 new series)](https://search.stillhousedata.com/launch/0000894189-26-016769)
- [485APOS — 2026-05-27 (1 new series)](https://search.stillhousedata.com/launch/0000894189-26-015811)
- [485APOS — 2026-05-27](https://search.stillhousedata.com/launch/0000894189-26-016076)
- [485APOS — 2026-05-22 (2 new series)](https://search.stillhousedata.com/launch/0000894189-26-015471)
- [485APOS — 2026-05-20 (1 new series)](https://search.stillhousedata.com/launch/0000894189-26-015075)
- [485APOS — 2026-05-13](https://search.stillhousedata.com/launch/0000894189-26-014724)
- [485APOS — 2026-04-23 (1 new series)](https://search.stillhousedata.com/launch/0000894189-26-012640)

## More

- [Registrant profile: ETF Series Solutions](https://search.stillhousedata.com/registrant/1540305)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0000894189-26-015074.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.