# Fidelity Series Floating Rate High Income Fund

Fidelity Series Floating Rate High Income Fund is a registered fund series of Fidelity Summer Street Trust (series S000031533). Net assets $272.7M as of 2026-03-31.

## Profile

- Series ID: S000031533
- Registrant: Fidelity Summer Street Trust
- LEI: 549300M3OGJIERUTLD52
- Net assets: $272.7M
- Total assets: $278.3M
- As of: 2026-03-31

## Advisers

- [FMR Investment Management (UK) Limited (Subadvisor)](https://search.stillhousedata.com/firm/108273)
- [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/31635A105) | — | $24.0M | 879.09% |
| [GREAT OUTDOORS GROUP LLC](https://search.stillhousedata.com/security/07014QAP6) | — | $6.7M | 246.68% |
| [FERTITTA ENTERTAINMENT LLC NV](https://search.stillhousedata.com/security/31556PAB3) | — | $3.4M | 125.20% |
| [ACRISURE LLC](https://search.stillhousedata.com/security/00488PAV7) | — | $3.3M | 121.35% |
| [POLARIS NEWCO LLC](https://search.stillhousedata.com/security/73108RAB4) | — | $2.5M | 91.92% |
| [UKG INC](https://search.stillhousedata.com/security/89841EAB1) | — | $2.5M | 90.43% |
| [NEPTUNE BIDCO US INC](https://search.stillhousedata.com/security/64069JAK8) | — | $2.4M | 88.41% |
| [ABG INTERMEDIATE HLDGS 2 LLC](https://search.stillhousedata.com/security/00076VBL3) | — | $2.2M | 81.29% |
| [ASURION LLC](https://search.stillhousedata.com/security/04649VBF6) | — | $2.1M | 76.70% |
| [CLYDESDALE ACQUISITION HOLDINGS INC](https://search.stillhousedata.com/security/18972FAC6) | — | $2.0M | 74.91% |
| 1261229 BC LTD | — | $2.0M | 74.61% |
| [ASURION LLC](https://search.stillhousedata.com/security/04649VBD1) | — | $2.0M | 72.56% |
| [ALLIED UNIVERSAL HOLDCO LLC](https://search.stillhousedata.com/security/01957TAX5) | — | $2.0M | 72.39% |
| [PERATON CORP](https://search.stillhousedata.com/security/71360HAB3) | — | $1.9M | 71.24% |
| [ASURION LLC AND ASURION CO-ISSUER INC](https://search.stillhousedata.com/security/045941AB7) | — | $1.9M | 68.89% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $272.7M |
| 2025-12-31 | $269.0M |
| 2025-09-30 | $262.1M |
| 2025-06-30 | $257.0M |
| 2025-03-31 | $251.9M |
| 2024-12-31 | $251.2M |
| 2024-09-30 | $248.8M |
| 2024-06-30 | $246.0M |

## More

- [Registrant: Fidelity Summer Street Trust](https://search.stillhousedata.com/registrant/225322)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000031533.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.