# Fidelity Sustainability Bond Index Fund

Fidelity Sustainability Bond Index Fund is a registered fund series of Fidelity Salem Street Trust (series S000061665). Net assets $661.9M as of 2026-05-31. Index fund.

## Profile

- Series ID: S000061665
- Registrant: Fidelity Salem Street Trust
- LEI: 549300HLKV8H8IDLLJ36
- Net assets: $661.9M
- Total assets: $686.0M
- As of: 2026-05-31
- Type: Index

## 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) | — | $7.9M | 119.80% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CQA2) | — | $7.4M | 112.47% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CNE7) | — | $7.0M | 105.12% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CNH0) | — | $6.4M | 96.28% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CQK0) | — | $5.4M | 81.83% |
| [UNITED STATES TREASURY BOND](https://search.stillhousedata.com/security/912810UQ9) | — | $5.2M | 79.05% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CQJ3) | — | $5.2M | 78.94% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CMS7) | — | $5.0M | 75.98% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CNY3) | — | $4.9M | 74.32% |
| [UNITED STATES TREASURY BOND](https://search.stillhousedata.com/security/912810UT3) | — | $4.8M | 72.14% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CMN8) | — | $4.5M | 68.58% |
| [UNITED STATES TREASURY BOND](https://search.stillhousedata.com/security/912810TX6) | — | $4.5M | 67.47% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CNM9) | — | $4.0M | 61.00% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CLX7) | — | $3.9M | 59.19% |
| [UST NOTES](https://search.stillhousedata.com/security/91282CNR8) | — | $3.7M | 55.94% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $661.9M |
| 2026-02-28 | $676.4M |
| 2025-11-30 | $620.1M |
| 2025-08-31 | $586.9M |
| 2025-05-31 | $529.1M |
| 2025-02-28 | $517.7M |
| 2024-11-30 | $487.0M |
| 2024-08-31 | $453.6M |

## More

- [Registrant: Fidelity Salem Street Trust](https://search.stillhousedata.com/registrant/35315)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000061665.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.