# Fidelity Short Duration High Income Fund

Fidelity Short Duration High Income Fund is a registered fund series of Fidelity Summer Street Trust (series S000042758). Net assets $331.8M as of 2026-04-30.

## Profile

- Series ID: S000042758
- Registrant: Fidelity Summer Street Trust
- LEI: 5493008WPJWJRZIRM082
- Net assets: $331.8M
- Total assets: $364.9M
- As of: 2026-04-30

## 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)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Fidelity Revere Street Trust](https://search.stillhousedata.com/security/31635A303) | — | $26.4M | 795.69% |
| [Fidelity Revere Street Trust](https://search.stillhousedata.com/security/31635A105) | — | $8.4M | 251.89% |
| [TRANSDIGM INC](https://search.stillhousedata.com/security/893647BR7) | — | $2.5M | 76.13% |
| [CLOUD SOFTWARE GROUP INC](https://search.stillhousedata.com/security/18912UAA0) | — | $2.3M | 69.69% |
| [TENET HEALTHCARE CORP](https://search.stillhousedata.com/security/88033GDB3) | — | $2.3M | 69.26% |
| [PR RNO PROPERTY OWNER 1 LLC](https://search.stillhousedata.com/security/69393LAA1) | — | $2.2M | 66.17% |
| [APLD COMPUTECO LLC](https://search.stillhousedata.com/security/00202DAA5) | — | $2.2M | 65.11% |
| [ECHOSTAR CORP](https://search.stillhousedata.com/security/278768AC0) | — | $2.1M | 64.13% |
| [EG GLOBAL FINANCE PLC](https://search.stillhousedata.com/security/28228PAC5) | — | $2.0M | 59.64% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CNY3) | — | $1.8M | 55.09% |
| [AHEAD DB HOLDINGS LLC](https://search.stillhousedata.com/security/00867FAA6) | — | $1.8M | 53.70% |
| [TRANSDIGM INC](https://search.stillhousedata.com/security/893647BU0) | — | $1.7M | 52.72% |
| [ALLY FINANCIAL INC](https://search.stillhousedata.com/security/02005NBM1) | — | $1.7M | 52.61% |
| [PROOFPOINT INC](https://search.stillhousedata.com/security/74345HAJ0) | — | $1.7M | 52.26% |
| [STRATEGY INC](https://search.stillhousedata.com/security/594972AS0) | — | $1.7M | 51.81% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $331.8M |
| 2026-01-31 | $314.5M |
| 2025-10-31 | $293.4M |
| 2025-07-31 | $295.1M |
| 2025-04-30 | $292.3M |
| 2025-01-31 | $262.8M |
| 2024-10-31 | $247.9M |
| 2024-07-31 | $234.8M |

## More

- [Registrant: Fidelity Summer Street Trust](https://search.stillhousedata.com/registrant/225322)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000042758.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.