# FIW holdings and overlap

First Trust Water ETF (FIW) holds 36 positions in its SEC Form N-PORT for the period ended 2026-06-30, filed 2026-08-21. Its three largest are Waters (WAT) at 4.87%, Agilent Technologies (A) at 4.54% and Masco (MAS) at 4.12%, and its ten largest make up 40.6% of the fund.

First Trust Water ETF, Thematic, First Trust.

Canonical page: https://tickerinside.com/etf/fiw/
Holdings from FIW's SEC Form N-PORT for the period ended 2026-06-30, filed 2026-08-21.
Licence: CC BY 4.0, attribution to TickerInside. Measurements, not investment advice.

## Largest positions, SEC Form N-PORT for the period ended 2026-06-30

| Rank | Ticker | Company | Weight |
| --- | --- | --- | --- |
| 1 | WAT | Waters | 4.87% |
| 2 | [A](https://tickerinside.com/stock/a/) | Agilent Technologies | 4.54% |
| 3 | MAS | Masco | 4.12% |
| 4 | [ROP](https://tickerinside.com/stock/rop/) | Roper Technologies | 4.01% |
| 5 | AWK | American Water Works | 4.01% |
| 6 | IEX | IDEX | 3.93% |
| 7 | [XYL](https://tickerinside.com/stock/xyl/) | Xylem | 3.78% |
| 8 | MLI | Mueller Industries | 3.78% |
| 9 | [VLTO](https://tickerinside.com/stock/vlto/) | Veralto | 3.77% |
| 10 | [FERG](https://tickerinside.com/stock/ferg/) | Ferguson Enterprises | 3.77% |
| 11 | [ECL](https://tickerinside.com/stock/ecl/) | Ecolab | 3.74% |
| 12 | WTS | Watts Water Technologies | 3.7% |
| 13 | [IDXX](https://tickerinside.com/stock/idxx/) | Idexx Laboratories | 3.32% |
| 14 | WMS | Advanced Drainage Systems | 3.32% |
| 15 | J | Jacobs Solutions | 3.31% |
| 16 | PNR | Pentair | 3.2% |
| 17 | CNM | Core & Main | 2.77% |
| 18 | VMI | Valmont Industries | 2.6% |
| 19 | TTEK | Tetra Tech | 2.51% |
| 20 | STN | Stantec | 2.31% |
| 21 | PRMB | Primo Brands | 2.23% |
| 22 | FELE | Franklin Electric | 2.23% |
| 23 | ACM | AECOM | 2.21% |
| 24 | FBIN | Fortune Brands Innovations | 2.09% |
| 25 | ZWS | Zurn Elkay Water Solutions | 2.05% |

All 36 positions with weights: https://tickerinside.com/api/v1/fund/fiw.json

Category: Thematic, set by TickerInside from the ETF's own latest file. In its file of 2026-06-30, its name names a theme (water), and no one sector holds 60% of its stocks whose sector is known (industrials 61%). How categories are set: https://tickerinside.com/etf/category/

## How is FIW split by sector and country?

In its SEC Form N-PORT for the period ended 2026-06-30, filed 2026-08-21, FIW is 60.8% industrials, 12.7% health care and 11.3% utilities by sector, with none of it in mega-cap tech or in the ten largest US companies by market value. By country, 94.6% of FIW is in the United States, 4.0% in Canada and 1.2% in Brazil.

| Sector | Weight |
| --- | --- |
| Industrials | 60.8% |
| Health care | 12.7% |
| Utilities | 11.3% |
| Technology | 7.9% |
| Materials | 5.0% |
| Consumer staples | 2.2% |

| Country | Weight |
| --- | --- |
| United States | 94.6% |
| Canada | 4.0% |
| Brazil | 1.2% |

How these are measured: https://tickerinside.com/how-the-numbers-are-produced/#sectors


## What did FIW hold in its SEC reports since 2019?

In FIW's SEC filings, its largest position went from Agilent Technologies (A) at 4.20% on 2019-09-30 to Waters Corporation (WAT) at 4.87% on 2026-06-30, across 28 quarterly reports.

| Report for | Positions | Largest position | Ten largest |
| --- | --- | --- | --- |
| 2019-09-30 | 35 | A 4.20% | 39.1% |
| 2019-12-31 | 35 | A 4.38% | 38.7% |
| 2020-12-31 | 35 | IDXX 4.26% | 38.6% |
| 2021-12-31 | 36 | WTRG 4.10% | 39.4% |
| 2022-12-30 | 36 | XYL 4.78% | 42.1% |
| 2023-12-31 | 37 | FERG 4.49% | 40.7% |
| 2024-12-31 | 36 | WAT 4.50% | 39.7% |
| 2025-12-31 | 36 | WAT 5.27% | 42.0% |
| 2026-06-30 | 36 | WAT 4.87% | 40.6% |

The first report, then the last of each year, of the 28 reports FIW filed on SEC Form N-PORT from 2019-09-30 to 2026-06-30; companies are keyed by their ticker today. Every position of every report: https://tickerinside.com/api/v1/quarterly/fiw.json; at any date: https://tickerinside.com/api/v1/history/fiw/{date}.json. How these are read: https://tickerinside.com/how-the-numbers-are-produced/#sec-history
## Key figures

| Measure | Value |
| --- | --- |
| Expense ratio, SEC filing 2026-04-30 | 0.5% |
| Positions, N-PORT 2026-06-30 | 36 |
| Weight in the ten largest, N-PORT 2026-06-30 | 40.6% |

## What does FIW share with other ETFs?

| ETF | Overlap by weight | Of FIW held there | Of that ETF in FIW | Companies in both |
| --- | --- | --- | --- | --- |
| PHO | 72.3% | 89.8% | 92.4% | 32 |
| PIO | 36.5% | 45.3% | 50.0% | 12 |
| CGW | 36.4% | 43.8% | 47.4% | 17 |
| EFRA | 31.5% | 39.7% | 38.1% | 15 |
| RSPN | 9.9% | 27.6% | 9.9% | 8 |
| PAVE | 7.0% | 32.6% | 7.0% | 12 |
| XHB | 6.7% | 7.4% | 6.7% | 2 |
| CZA | 5.5% | 20.9% | 5.5% | 6 |
| RSPH | 5.2% | 12.7% | 5.2% | 3 |
| IYM | 5.1% | 7.5% | 7.8% | 2 |
| XMHQ | 5.1% | 11.1% | 5.1% | 4 |
| NOBL | 5.1% | 12.6% | 5.1% | 4 |


FIW's holdings are from its SEC Form N-PORT for the period ended 2026-06-30, filed 2026-08-21. NOBL's holdings are from its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-28. The other ETFs' holdings are from their issuers' latest files.

Method: https://tickerinside.com/how-the-numbers-are-produced/

## Cite this page

TickerInside, First Trust Water ETF (FIW), holdings from SEC Form N-PORT for the period ended 2026-06-30, filed 2026-08-21, https://tickerinside.com/etf/fiw/, CC BY 4.0

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