# T. Rowe Price Mid-Cap Index Fund — new fund registration

T. Rowe Price Index Trust, Inc. registered 2 new fund series on Form 485APOS, filed 2015-08-13. Featured series: T. Rowe Price Mid-Cap Index Fund.

## Registration

- Registrant / trust: T. Rowe Price Index Trust, Inc.
- CIK: 0000858581
- Form: 485APOS
- Filed: 2015-08-13
- State of incorporation: MD
- Accession: 0000858581-15-000111
- Reported net assets: $373.5M

## Series & classes (4)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [T. Rowe Price Mid-Cap Index Fund](https://search.stillhousedata.com/fund/S000051326) | T. Rowe Price Mid-Cap Index Fund | TRMNX | Yes |
| [T. Rowe Price Mid-Cap Index Fund](https://search.stillhousedata.com/fund/S000051326) | T. Rowe Price Mid-Cap Index Fund-I Class | TRMSX | Yes |
| [T. Rowe Price Small-Cap Index Fund](https://search.stillhousedata.com/fund/S000051327) | T. Rowe Price Small-Cap Index Fund | TRSYX | Yes |
| [T. Rowe Price Small-Cap Index Fund](https://search.stillhousedata.com/fund/S000051327) | T. Rowe Price Small-Cap Index Fund-I Class | TRCSX | Yes |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.00%
- Gross expense ratio: 0.30%
- Management fee: 0.09%
- Net expense ratio: 0.27%
- Other expenses: 0.21%

## Investment objective

The fund seeks to track the performance of a benchmark index that measures the investment return of mid-capitalization U.S. stocks.

## Advisers

- [T. Rowe Price Associates, Inc. (Advisor)](https://search.stillhousedata.com/firm/105496)
- [T. Rowe Price International Ltd (Subadvisor)](https://search.stillhousedata.com/firm/126032)

## Other filings by this registrant (2)

- [485APOS — 2020-08-14 (3 new series)](https://search.stillhousedata.com/launch/0001120924-20-000010)
- [485APOS — 2015-06-18](https://search.stillhousedata.com/launch/0000858581-15-000087)

## More

- [Registrant profile: T. Rowe Price Index Trust, Inc.](https://search.stillhousedata.com/registrant/858581)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0000858581-15-000111.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.