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.
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.
What does FIW hold, from its SEC Form N-PORT for the period ended 2026-06-30?
FIW spreads its weight across 36 positions, against a median of 60 across the 20 Thematic funds with a page here. The position FIW carries furthest above that group is Agilent Technologies at 4.54% of the fund, a company the median fund in that group does not hold at all.
| Rank | Company | Weight | Weight bar |
|---|---|---|---|
| 1 | WAT Waters | 4.87% | |
| 2 | A Agilent Technologies | 4.54% | |
| 3 | MAS Masco | 4.12% | |
| 4 | ROP Roper Technologies | 4.01% | |
| 5 | AWK American Water Works | 4.01% | |
| 6 | IEX IDEX | 3.93% | |
| 7 | XYL Xylem | 3.78% | |
| 8 | MLI Mueller Industries | 3.78% | |
| 9 | VLTO Veralto | 3.77% | |
| 10 | FERG Ferguson Enterprises | 3.77% | |
| 11 | ECL Ecolab | 3.74% | |
| 12 | WTS Watts Water Technologies | 3.7% | |
| 13 | 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% | |
| 26 | BMI Badger Meter | 2.02% | |
| 27 | ITRI Itron | 1.91% | |
| 28 | GRC Gorman-Rupp | 1.85% | |
| 29 | MWA MUELLER WATER PRODUCTS | 1.79% | |
| 30 | AQN Algonquin Power & Utilities | 1.74% | |
| 31 | AOS A. O. Smith | 1.67% | |
| 32 | HTO H2O America | 1.46% | |
| 33 | AWR American States Water | 1.44% | |
| 34 | CWT California Water Service Group | 1.4% | |
| 35 | SBS Cia de Saneamento Basico do Estado de Sao Paulo SABESP | 1.25% | |
| 36 | HWKN Hawkins | 1.23% |
FIW's holdings are from its SEC Form N-PORT for the period ended 2026-06-30, filed 2026-08-21; a newer filing replaces it when the nightly read of EDGAR finds one. Every one of the 36 positions FIW holds, with its weight, is in the fund's JSON file. See the other 86 ETFs with a page here that hold WAT, and how their weights compare with the 4.87% FIW gives it.
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/api/v1/fund/fiw.jsonhttps://tickerinside.com/api/v1/fund/fiw.csv=IMPORTDATA("https://tickerinside.com/api/v1/fund/fiw.csv")If your sheet uses a decimal comma: =IMPORTDATA("https://tickerinside.com/api/v1/fund/fiw.csv"; ","; "en_US")curl -s https://tickerinside.com/api/v1/fund/fiw.jsonHow is FIW split by sector and country?
| Sector | Weight | Weight bar |
|---|---|---|
| Industrials | 60.8% | |
| Health care | 12.7% | |
| Utilities | 11.3% | |
| Technology | 7.9% | |
| Materials | 5.0% | |
| Consumer staples | 2.2% |
| Country | Weight | Weight bar |
|---|---|---|
| United States | 94.6% | |
| Canada | 4.0% | |
| Brazil | 1.2% |
From its SEC Form N-PORT for the period ended 2026-06-30, filed 2026-08-21. How these are measured.
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 | Positions | Largest | Top 10 |
|---|---|---|---|
| 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, each company under its ticker today. Every position of every report is in its quarterly file, and at any date at /api/v1/history/fiw/{date}.json. How these are read.
What does FIW duplicate?
The ETF nearest to FIW is PHO: the two hold 72.3% of their weight in common, in the 32 companies both own, and 89.8% of FIW itself is also held there. Owning FIW alongside the ETFs at the top of this table means holding mostly the same companies twice.
| ETF | Overlap by weight | Of FIW held there | Of that ETF in FIW | Companies in both | Overlap bar |
|---|---|---|---|---|---|
| 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. Check FIW against any ETF in the ETF overlap calculator · how overlap is measured.
What adds something different to FIW?
SOXX shares 0% of weight with FIW. The table lists the covered ETFs with the least in common with FIW, least shared weight first.
| ETF | Name | Overlap by weight | Companies in both |
|---|---|---|---|
| SOXX | iShares Semiconductor ETF | 0.0% | 0 |
| MTUM | iShares MSCI USA Momentum Factor ETF | 0.0% | 0 |
| OEF | iShares S&P 100 ETF | 0.0% | 0 |
| SCZ | iShares MSCI EAFE Small-Cap ETF | 0.0% | 0 |
| PFF | iShares Preferred and Income Securities ETF | 0.0% | 0 |
| MCHI | iShares MSCI China ETF | 0.0% | 0 |
| REET | iShares Global REIT ETF | 0.0% | 0 |
| USRT | iShares Core U.S. REIT ETF | 0.0% | 0 |
FIW's holdings are from its SEC Form N-PORT for the period ended 2026-06-30, filed 2026-08-21. The other ETFs' holdings are from their issuers' latest files.
Cost and concentration
| Expense ratio | 0.50% |
|---|---|
| Weight in the ten largest positions | 40.6% |
| Largest single position | 4.9% |
The expense ratio is reference data, from FIW's SEC filing of 2026-04-30; the weights are from FIW's SEC Form N-PORT for the period ended 2026-06-30.
Where to go next
- IBAT, iShares Energy Storage & Materials ETF
- ICLN, iShares Global Clean Energy ETF
- IYZ, iShares U.S. Telecommunications ETF
- PBD, Invesco Global Clean Energy ETF
- Run a portfolio x-ray to see what FIW carries once you look through it
- Compare FIW against any other ETF in the builder
Holdings from FIW's SEC Form N-PORT for the period ended 2026-06-30, filed 2026-08-21. How every figure here is produced. Measurements, not investment advice.
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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