# Impax US Sustainable Economy Fund

Impax US Sustainable Economy Fund is a registered fund series of IMPAX FUNDS SERIES TRUST I (series S000015763). Net assets $793.7M as of 2026-03-31.

## Profile

- Series ID: S000015763
- Registrant: IMPAX FUNDS SERIES TRUST I
- LEI: 5493001FQOFD3O7VGQ38
- Net assets: $793.7M
- Total assets: $794.1M
- As of: 2026-03-31

## Advisers

- [Impax Asset Management LLC (Advisor)](https://search.stillhousedata.com/firm/114335)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [NVIDIA Corp.](https://search.stillhousedata.com/security/67066G104) | — | $63.6M | 801.29% |
| [NVIDIA Corp.](https://search.stillhousedata.com/security/67066G104) | — | $63.6M | 801.29% |
| [NVIDIA Corp.](https://search.stillhousedata.com/security/67066G104) | — | $63.6M | 801.29% |
| [NVIDIA Corp.](https://search.stillhousedata.com/security/67066G104) | — | $63.6M | 801.29% |
| [NVIDIA Corp.](https://search.stillhousedata.com/security/67066G104) | — | $63.6M | 801.29% |
| [Apple, Inc.](https://search.stillhousedata.com/security/037833100) | — | $58.1M | 731.84% |
| [Apple, Inc.](https://search.stillhousedata.com/security/037833100) | — | $58.1M | 731.84% |
| [Apple, Inc.](https://search.stillhousedata.com/security/037833100) | — | $58.1M | 731.84% |
| [Apple, Inc.](https://search.stillhousedata.com/security/037833100) | — | $58.1M | 731.84% |
| [Apple, Inc.](https://search.stillhousedata.com/security/037833100) | — | $58.1M | 731.84% |
| [Microsoft Corp.](https://search.stillhousedata.com/security/594918104) | — | $32.5M | 409.57% |
| [Microsoft Corp.](https://search.stillhousedata.com/security/594918104) | — | $32.5M | 409.57% |
| [Microsoft Corp.](https://search.stillhousedata.com/security/594918104) | — | $32.5M | 409.57% |
| [Microsoft Corp.](https://search.stillhousedata.com/security/594918104) | — | $32.5M | 409.57% |
| [Microsoft Corp.](https://search.stillhousedata.com/security/594918104) | — | $32.5M | 409.57% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $793.7M |
| 2025-12-31 | $554.2M |
| 2025-09-30 | $540.6M |
| 2025-06-30 | $517.3M |
| 2025-03-31 | $322.2M |
| 2024-12-31 | $335.4M |
| 2024-09-30 | $342.9M |
| 2024-06-30 | $324.1M |

## More

- [Registrant: IMPAX FUNDS SERIES TRUST I](https://search.stillhousedata.com/registrant/76721)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000015763.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.