# First Trust Water ETF

First Trust Water ETF is a ETF series of First Trust Exchange-Traded Fund (series S000017178). Net assets $1.8B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000017178
- Registrant: First Trust Exchange-Traded Fund
- LEI: 549300LST8NILRG2KK70
- Net assets: $1.8B
- Total assets: $1.8B
- As of: 2026-03-31
- Type: ETF, Index

## Advisers

- [First Trust Advisors L.P. (Advisor)](https://search.stillhousedata.com/firm/107027)

## Top holdings (38 reported)

_Showing 15 of 38 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Roper Technologies Inc](https://search.stillhousedata.com/security/776696106) | — | $79.2M | 445.10% |
| [American Water Works Company, Inc.](https://search.stillhousedata.com/security/030420103) | — | $78.3M | 440.10% |
| [Agilent Technologies Inc.](https://search.stillhousedata.com/security/00846U101) | — | $73.5M | 413.09% |
| [Waters Corporation](https://search.stillhousedata.com/security/941848103) | — | $73.0M | 410.19% |
| [Xylem, Inc.](https://search.stillhousedata.com/security/98419M100) | — | $72.2M | 405.75% |
| [Veralto Corp.](https://search.stillhousedata.com/security/92338C103) | — | $71.0M | 399.23% |
| [Ferguson Enterprises Inc](https://search.stillhousedata.com/security/31488V107) | — | $70.0M | 393.52% |
| Pentair PLC | — | $68.7M | 386.33% |
| [Ecolab Inc.](https://search.stillhousedata.com/security/278865100) | — | $67.5M | 379.52% |
| [IDEXX Laboratories Inc.](https://search.stillhousedata.com/security/45168D104) | — | $67.0M | 376.38% |
| [Mueller Industries Inc.](https://search.stillhousedata.com/security/624756102) | — | $64.3M | 361.56% |
| [Jacobs Solutions Inc.](https://search.stillhousedata.com/security/46982L108) | — | $63.2M | 355.38% |
| [Idex Corporation](https://search.stillhousedata.com/security/45167R104) | — | $62.0M | 348.32% |
| [Masco Corporation](https://search.stillhousedata.com/security/574599106) | — | $57.7M | 324.46% |
| J.P. MORGAN SECURITIES LLC | — | $56.1M | 315.41% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $1.8B |
| 2025-12-31 | $1.9B |
| 2025-09-30 | $1.9B |
| 2025-06-30 | $1.9B |
| 2025-03-31 | $1.7B |
| 2024-12-31 | $1.8B |
| 2024-09-30 | $1.9B |
| 2024-06-30 | $1.7B |

## More

- [Registrant: First Trust Exchange-Traded Fund](https://search.stillhousedata.com/registrant/1329377)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000017178.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.