# Prime Reserves Portfolio — new fund registration

Fidelity Colchester Street Trust registered 1 new fund series on Form 485APOS, filed 2016-03-17. Featured series: Prime Reserves Portfolio.

## Registration

- Registrant / trust: Fidelity Colchester Street Trust
- CIK: 0000356173
- Form: 485APOS
- Filed: 2016-03-17
- State of incorporation: DE
- Accession: 0001379491-16-002881

## Series & classes (5)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Prime Reserves Portfolio](https://search.stillhousedata.com/fund/S000054090) | Class I | — | Yes |
| [Prime Reserves Portfolio](https://search.stillhousedata.com/fund/S000054090) | Class II | — | Yes |
| [Prime Reserves Portfolio](https://search.stillhousedata.com/fund/S000054090) | Class III | — | Yes |
| [Prime Reserves Portfolio](https://search.stillhousedata.com/fund/S000054090) | Select Class | — | Yes |
| [Prime Reserves Portfolio](https://search.stillhousedata.com/fund/S000054090) | Institutional Class | — | Yes |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.00%
- Gross expense ratio: 0.22%
- Management fee: 0.14%
- Net expense ratio: 0.18%
- Other expenses: 0.08%

## Investment objective

The fund seeks to obtain as high a level of current income as is consistent with the preservation of principal and liquidity within the limitations prescribed for the fund.

## Advisers

- [FIDELITY MANAGEMENT & RESEARCH COMPANY LLC (Advisor)](https://search.stillhousedata.com/firm/108281)
- [FIDELITY MANAGEMENT & RESEARCH (HONG KONG) LIMITED (Subadvisor)](https://search.stillhousedata.com/firm/148045)
- [FIDELITY MANAGEMENT & RESEARCH (JAPAN) LIMITED (Subadvisor)](https://search.stillhousedata.com/firm/148239)
- [FMR INVESTMENT MANAGEMENT (UK) LIMITED (Subadvisor)](https://search.stillhousedata.com/firm/108273)

## Other filings by this registrant (9)

- [485APOS — 2026-03-11](https://search.stillhousedata.com/launch/0000356173-26-000016)
- [485APOS — 2014-03-14](https://search.stillhousedata.com/launch/0000880195-14-000087)
- [485APOS — 2010-03-10](https://search.stillhousedata.com/launch/0000356173-10-000002)
- [485APOS — 2009-03-30](https://search.stillhousedata.com/launch/0000356173-09-000011)
- [485APOS — 2008-03-20](https://search.stillhousedata.com/launch/0001303459-08-000003)
- [485APOS — 2007-10-09](https://search.stillhousedata.com/launch/0000356173-07-000017)
- [485APOS — 2005-03-17](https://search.stillhousedata.com/launch/0000356173-05-000006)
- [485APOS — 2004-03-30](https://search.stillhousedata.com/launch/0000356173-04-000006)
- [485APOS — 2001-11-16](https://search.stillhousedata.com/launch/0000356173-01-500023)

## More

- [Registrant profile: Fidelity Colchester Street Trust](https://search.stillhousedata.com/registrant/356173)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001379491-16-002881.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.