# Fidelity Climate Action Fund — new fund registration

FIDELITY SUMMER STREET TRUST registered 2 new fund series on Form 485APOS, filed 2021-03-26. Featured series: Fidelity Climate Action Fund.

## Registration

- Registrant / trust: FIDELITY SUMMER STREET TRUST
- CIK: 0000225322
- Form: 485APOS
- Filed: 2021-03-26
- State of incorporation: MA
- Accession: 0001379491-21-001107
- Reported net assets: $58.0M

## Series & classes (12)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Fidelity Climate Action Fund](https://search.stillhousedata.com/fund/S000072128) | Fidelity Climate Action Fund - Class A | FCAJX | Yes |
| [Fidelity Climate Action Fund](https://search.stillhousedata.com/fund/S000072128) | Fidelity Climate Action Fund - Class M | FCAOX | Yes |
| [Fidelity Climate Action Fund](https://search.stillhousedata.com/fund/S000072128) | Fidelity Climate Action Fund - Class C | FCALX | Yes |
| [Fidelity Climate Action Fund](https://search.stillhousedata.com/fund/S000072128) | Fidelity Climate Action Fund - Class I | FCAUX | Yes |
| [Fidelity Climate Action Fund](https://search.stillhousedata.com/fund/S000072128) | Fidelity Climate Action Fund - Class Z | FCLZX | Yes |
| [Fidelity Climate Action Fund](https://search.stillhousedata.com/fund/S000072128) | Fidelity Climate Action Fund - Retail Class | FCAEX | Yes |
| [Fidelity Sustainability U.S. Equity Fund](https://search.stillhousedata.com/fund/S000072129) | Fidelity Sustainability U.S. Equity Fund - Class A | FSEKX | Yes |
| [Fidelity Sustainability U.S. Equity Fund](https://search.stillhousedata.com/fund/S000072129) | Fidelity Sustainability U.S. Equity Fund - Class M | FSEPX | Yes |
| [Fidelity Sustainability U.S. Equity Fund](https://search.stillhousedata.com/fund/S000072129) | Fidelity Sustainability U.S. Equity Fund - Class C | FSEOX | Yes |
| [Fidelity Sustainability U.S. Equity Fund](https://search.stillhousedata.com/fund/S000072129) | Fidelity Sustainability U.S. Equity Fund - Class I | FSEQX | Yes |
| [Fidelity Sustainability U.S. Equity Fund](https://search.stillhousedata.com/fund/S000072129) | Fidelity Sustainability U.S. Equity Fund - Class Z | FSEWX | Yes |
| [Fidelity Sustainability U.S. Equity Fund](https://search.stillhousedata.com/fund/S000072129) | Fidelity Sustainability U.S. Equity Fund - Retail Class | FSEBX | Yes |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.25%
- Gross expense ratio: 1.48%
- Management fee: 0.80%
- Net expense ratio: 1.30%
- Other expenses: 0.43%

## Investment objective

Fidelity Climate Action Fund seeks long-term growth of capital.

## 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 (15)

- [485APOS — 2025-04-10](https://search.stillhousedata.com/launch/0000225322-25-000100)
- [485APOS — 2024-12-16](https://search.stillhousedata.com/launch/0000225322-24-000502)
- [485APOS — 2024-04-26 (1 new series)](https://search.stillhousedata.com/launch/0000225322-24-000071)
- [485APOS — 2023-12-15](https://search.stillhousedata.com/launch/0000225322-23-000296)
- [485APOS — 2023-02-10 (1 new series)](https://search.stillhousedata.com/launch/0000878467-23-000001)
- [485APOS — 2022-05-16](https://search.stillhousedata.com/launch/0001379491-22-002024)
- [485APOS — 2022-04-15](https://search.stillhousedata.com/launch/0001379491-22-001505)
- [485APOS — 2022-02-02 (6 new series)](https://search.stillhousedata.com/launch/0001193125-22-025385)
- [485APOS — 2022-01-27 (3 new series)](https://search.stillhousedata.com/launch/0001193125-22-019674)
- [485APOS — 2021-06-25](https://search.stillhousedata.com/launch/0001379491-21-002682)
- [485APOS — 2021-02-26 (1 new series)](https://search.stillhousedata.com/launch/0001379491-21-000761)
- [485APOS — 2020-02-10](https://search.stillhousedata.com/launch/0001379491-20-000407)

## More

- [Registrant profile: FIDELITY SUMMER STREET TRUST](https://search.stillhousedata.com/registrant/225322)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001379491-21-001107.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.