# Fidelity Water Sustainability Fund

Fidelity Water Sustainability Fund is a registered fund series of Fidelity Summer Street Trust (series S000067937). Net assets $160.5M as of 2026-05-31.

## Profile

- Series ID: S000067937
- Registrant: Fidelity Summer Street Trust
- LEI: 5493007YQ3QVFGFYJX14
- Net assets: $160.5M
- Total assets: $160.7M
- As of: 2026-05-31

## 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 (44 reported)

_Showing 15 of 44 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [ESSENTIAL UTILITIES INC](https://search.stillhousedata.com/security/29670G102) | — | $13.6M | 848.10% |
| UNITED UTILS GROUP PLC | — | $11.0M | 687.45% |
| SEVERN TRENT PLC | — | $10.1M | 631.24% |
| [AMERICAN WATER WORKS CO INC](https://search.stillhousedata.com/security/030420103) | — | $9.1M | 568.58% |
| PENTAIR PLC | — | $7.5M | 469.96% |
| [ADVANCED DRAIN SYS INC DEL](https://search.stillhousedata.com/security/00790R104) | — | $7.3M | 455.36% |
| [CORE and MAIN INC](https://search.stillhousedata.com/security/21874C102) | — | $6.6M | 414.29% |
| [WATTS WATER TECHNOLOGIES INC](https://search.stillhousedata.com/security/942749102) | — | $6.2M | 389.21% |
| SANEAMENTO BASICO DE SP (CIA) (COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO) | — | $5.5M | 345.64% |
| [ZURN ELKAY WATER SOLUTIONS CORP](https://search.stillhousedata.com/security/98983L108) | — | $5.4M | 334.21% |
| [XYLEM INC](https://search.stillhousedata.com/security/98419M100) | — | $5.4M | 333.77% |
| GEBERIT AG | — | $4.4M | 273.36% |
| [INGERSOLL RAND INC](https://search.stillhousedata.com/security/45687V106) | — | $4.3M | 270.97% |
| COMPANHIA DE SANEAMENTO DE MINAS GERAIS COPASA MG | — | $4.1M | 258.37% |
| KURITA WATER INDUSTRIES LTD | — | $4.1M | 257.43% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $160.5M |
| 2026-02-28 | $174.4M |
| 2025-11-30 | $146.2M |
| 2025-08-31 | $136.0M |
| 2025-05-31 | $116.2M |
| 2025-02-28 | $105.7M |
| 2024-11-30 | $111.1M |
| 2024-08-31 | $104.8M |

## More

- [Registrant: Fidelity Summer Street Trust](https://search.stillhousedata.com/registrant/225322)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000067937.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.