# Vanguard Unused Series — new fund registration

VANGUARD INDEX FUNDS registered 1 new fund series on Form 485APOS, filed 2010-06-24. Featured series: Vanguard Unused Series.

## Registration

- Registrant / trust: VANGUARD INDEX FUNDS
- CIK: 0000036405
- Form: 485APOS
- Filed: 2010-06-24
- State of incorporation: DE
- Accession: 0000932471-10-002291

## Series & classes (1)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Vanguard Unused Series](https://search.stillhousedata.com/fund/S000030011) | ETF Shares | — | Yes |

## Other filings by this registrant (15)

- [485APOS — 2017-01-11](https://search.stillhousedata.com/launch/0000932471-17-000072)
- [485APOS — 2016-12-23](https://search.stillhousedata.com/launch/0000932471-16-015027)
- [485APOS — 2016-01-29 (3 new series)](https://search.stillhousedata.com/launch/0000932471-16-009847)
- [485APOS — 2015-02-26](https://search.stillhousedata.com/launch/0000932471-15-005581)
- [485APOS — 2013-06-03](https://search.stillhousedata.com/launch/0000932471-13-006863)
- [485APOS — 2013-04-17](https://search.stillhousedata.com/launch/0000932471-13-006286)
- [485APOS — 2013-01-31](https://search.stillhousedata.com/launch/0000932471-13-000608)
- [485APOS — 2011-07-25](https://search.stillhousedata.com/launch/0000932471-11-003078)
- [485APOS — 2010-12-13](https://search.stillhousedata.com/launch/0000932471-10-003580)
- [485APOS — 2010-10-27](https://search.stillhousedata.com/launch/0000932471-10-003268)
- [485APOS — 2010-10-14 (3 new series)](https://search.stillhousedata.com/launch/0000932471-10-003214)
- [485APOS — 2010-09-07](https://search.stillhousedata.com/launch/0000932471-10-002917)

## More

- [Registrant profile: VANGUARD INDEX FUNDS](https://search.stillhousedata.com/registrant/36405)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0000932471-10-002291.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.