First Trust Water ETF (FIW) Holdings
FIW holdings summary
as of Oct 23, 2026- Holdings
- 36 positions listed
- Top 10 weight
- 40.8% of net assets
- Effective holdings
- 31 equal-weight equivalent
- Largest holding
- WAT 4.45% Waters Corporation
- Annual turnover
- 16.2% of the portfolio traded
All FIW holdings
| # | Name | ||||||
|---|---|---|---|---|---|---|---|
| 1 | WAT | Waters Corporation | Healthcare | 4.45% | $78.2M | $42.90B | 110.6 |
| 2 | A | Agilent Technologies, Inc. | Healthcare | 4.44% | $77.9M | $48.77B | 34.1 |
| 3 | ECL | Ecolab Inc. | Basic Materials | 4.26% | $74.9M | $80.98B | 38.8 |
| 4 | VLTO | Veralto Corporation | Industrials | 4.18% | $73.3M | $24.63B | 25.8 |
| 5 | FERG | Ferguson plc | Industrials | 4.02% | $70.7M | $44.81B | 22.8 |
| 6 | XYL | Xylem Inc. | Industrials | 3.98% | $69.9M | $24.29B | 24.8 |
| 7 | IDXX | IDEXX Laboratories, Inc. | Healthcare | 3.91% | $68.7M | $44.20B | 39.8 |
| 8 | J | Jacobs Engineering Group Inc. | Industrials | 3.90% | $68.5M | $16.51B | 46.9 |
| 9 | AWK | American Water Works Company, Inc. | Utilities | 3.88% | $68.1M | $26.82B | 23.4 |
| 10 | ROP | Roper Technologies, Inc. | Technology | 3.75% | $65.8M | $37.85B | 15.9 |
| 11 | BSY | Bentley Systems, Incorporated | Technology | 3.68% | $64.7M | $10.69B | 38.9 |
| 12 | MAS | Masco Corporation | Industrials | 3.65% | $64.1M | $14.37B | 16.8 |
| 13 | IEX | IDEX Corporation | Industrials | 3.61% | $63.4M | $17.36B | 33.9 |
| 14 | WMS | Advanced Drainage Systems, Inc. | Industrials | 3.50% | $61.4M | $9.67B | 21.8 |
| 15 | MLI | Mueller Industries, Inc. | Industrials | 3.09% | $54.3M | $13.29B | 15.6 |
| 16 | TTEK | Tetra Tech, Inc. | Industrials | 3.04% | $53.3M | $8.89B | 20.9 |
| 17 | WTS | Watts Water Technologies, Inc. | Industrials | 3.03% | $53.2M | $11.91B | 31.2 |
| 18 | VMI | Valmont Industries, Inc. | Industrials | 2.82% | $49.5M | $8.63B | 17.4 |
| 19 | ACM | AECOM | Industrials | 2.57% | $45.1M | $7.59B | 20.8 |
| 20 | PNR | Pentair plc | Industrials | 2.57% | $45.1M | $8.53B | 13.8 |
| 21 | FELE | Franklin Electric Co., Inc. | Industrials | 2.06% | $36.2M | $4.43B | 28.9 |
| 22 | BMI | Badger Meter, Inc. | Technology | 2.02% | $35.5M | $3.67B | 29.6 |
| 23 | AOS | A. O. Smith Corporation | Industrials | 2.01% | $35.3M | $8.05B | 16.5 |
| 24 | ZWS | Zurn Elkay Water Solutions Corporation | Industrials | 1.98% | $34.7M | $7.81B | 29.2 |
| 25 | CNM | Core & Main, Inc. | Industrials | 1.96% | $34.5M | $7.74B | 17.3 |
| 26 | FBIN | Fortune Brands Innovations, Inc. | Industrials | 1.88% | $33.1M | $4.78B | 32.3 |
| 27 | STN | Stantec Inc | Industrials | 1.87% | $32.9M | — | — |
| 28 | AQN | Algonquin Power & Utilities Corp | Utilities | 1.80% | $31.6M | — | — |
| 29 | ITRI | Itron, Inc. | Technology | 1.78% | $31.3M | $3.64B | 13.9 |
| 30 | PRMB | Primo Brands Corporation | Consumer Defensive | 1.70% | $29.9M | $7.14B | 65.7 |
| 31 | SBS | Companhia de Saneamento Básico do Estado de São Paulo - SABESP | Utilities | 1.61% | $28.3M | $22.01B | 14.2 |
| 32 | HWKN | Hawkins, Inc. | Basic Materials | 1.38% | $24.2M | $2.75B | 34.1 |
| 33 | CWT | California Water Service Group | Utilities | 1.20% | $21.1M | $2.87B | 20.8 |
| 34 | MWA | Mueller Water Products, Inc. | Industrials | 1.20% | $21.0M | $3.40B | 15.3 |
| 35 | AWR | American States Water Company | Utilities | 1.19% | $20.9M | $3.31B | 22.9 |
| 36 | SJW | SJW Group Common Stock | Utilities | 1.10% | $19.3M | — | — |
Weights as a percentage of net assets. Value held = weight × net assets ($1.76B). Market cap and P/E from each company's latest fundamentals (U.S.-listed stocks).
FIW sector breakdown
| Sector | Weight | Holdings | Largest |
|---|---|---|---|
| Industrials | 56.9% | 20 | VLTO, FERG, XYL |
| Healthcare | 12.8% | 3 | WAT, A, IDXX |
| Technology | 11.2% | 4 | ROP, BSY, BMI |
| Utilities | 10.8% | 6 | AWK, AQN, SBS |
| Basic Materials | 5.6% | 2 | ECL, HWKN |
| Consumer Defensive | 1.7% | 1 | PRMB |
Sum of the weights of the holdings in each sector.
FIW top industries
FIW overlap with other ETFs
| ETF | Fund | Overlap | Shared holdings | Expense ratio |
|---|---|---|---|---|
| PHO | Invesco Water Resources ETF | 74.9% | 32 of 41 | 0.59% |
| IWM | iShares Russell 2000 ETF | 1.1% | 8 of 1,962 | 0.19% |
| VTI | Vanguard Total Stock Market ETF | 0.7% | 33 of 2,941 | 0.03% |
| VXUS | Vanguard Total International Stock ETF | 0.7% | 7 of 8,035 | 0.05% |
| SPY | SPDR S&P 500 ETF | 0.6% | 14 of 502 | 0.09% |
| QQQ | Invesco QQQ ETF | 0.4% | 2 of 101 | 0.17% |
Overlap = sum over shared holdings of the smaller of the two weights. 100% means identical portfolios.
About the FIW portfolio
First Trust Water ETF holds 36 positions. The ten largest make up 40.8% of the fund, so it behaves like a portfolio of about 31 equally weighted stocks. The biggest positions are Waters Corporation (4.45%), Agilent Technologies, Inc. (4.44%), Ecolab Inc. (4.26%), Veralto Corporation (4.18%), Ferguson plc (4.02%).
By sector, Industrials is 56.9%, Healthcare is 12.8%, Technology is 11.2%. Holdings data is from the fund's latest portfolio as reported by EODHD on October 23, 2026; positions change as the fund rebalances.
Related: FIW chart, FIW performance, FIW dividends, FIW valuation, FIW overview.
FIW holdings FAQ
How many holdings does FIW have?
FIW holds 36 positions as of October 23, 2026.
What are the top 10 holdings of FIW?
The ten largest holdings are Waters Corporation (4.45%), Agilent Technologies, Inc. (4.44%), Ecolab Inc. (4.26%), Veralto Corporation (4.18%), Ferguson plc (4.02%), Xylem Inc. (3.98%), IDEXX Laboratories, Inc. (3.91%), Jacobs Engineering Group Inc. (3.90%), American Water Works Company, Inc. (3.88%), Roper Technologies, Inc. (3.75%). Together they are 40.8% of the fund.
What percentage of FIW is Waters Corporation?
Waters Corporation is the largest holding at 4.45% of net assets, about $78.2M of the fund's $1.76B.
Which sector is the largest in FIW?
Industrials is the largest sector at 56.9%, followed by Healthcare (12.8%) and Technology (11.2%), based on the sectors of the individual holdings.
How concentrated is FIW?
The top 10 holdings are 40.8% of the fund. By the effective number of holdings (1 divided by the sum of squared weights) FIW behaves like a portfolio of about 31 equally weighted stocks.