CGW vs FIW: which is really different?

CGW and FIW hold 37% of their weight in the same names, and CGW returned −1.4% over the year. Invesco S&P Global Water Index ETF and First Trust Water ETF.

25.6%
CGW in the S&P 500
48.5%
FIW in the S&P 500
−1.4%
CGW total return, 1 year
−6.9%
FIW total return, 1 year
CGW · 1 year to Sep 30, 202674% of its weight is outside the S&P 500
74% of its weight is outside the S&P 50026% of CGW's weight is in S&P 500 companies and 74% is outside the index26%74%in the S&P 500of its weight outside the S&P 500active share 100% · top ten 56% of the fund · 81 holdings filed Sep 30, 2026 · Nasdaq-100: 0% in74% of its weight is outside the S&P 50026% of CGW's weight is in S&P 500 companies and 74% is outside the index26%74%inoutside the S&P 500active share 100% · top ten 56% of the fund

26% of CGW's weight is in S&P 500 companies and 74% is outside the index

FIW · 1 year to Sep 30, 202652% of its weight is outside the S&P 500
52% of its weight is outside the S&P 50049% of FIW's weight is in S&P 500 companies and 52% is outside the index49%52%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 99% · top ten 41% of the fund · 38 holdings filed Sep 30, 2026 · Nasdaq-100: 7% in52% of its weight is outside the S&P 50049% of FIW's weight is in S&P 500 companies and 52% is outside the index49%52%in the S&P 500outside the S&P 500active share 99% · top ten 41% of the fund

49% of FIW's weight is in S&P 500 companies and 52% is outside the index

ETFIQ Off-Index Score · CGW scores higherHow much of it is not the index it is sold as an alternative to?
0.1, the lowest in this set92.0, the highest

A percentile among the 375 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it → How it is computed →

What they hold in common

By the books each fund has filed, CGW and FIW hold 37% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Sep 30, 2026.

half

37% in common

Positions both hold, largest shared weight first
Holding CGW FIW
Ecolab Inc 4.15% 4.10%
Veralto Corp 4.79% 4.05%
American Water Works Co Inc 8.11% 3.96%
Xylem Inc/NY 7.05% 3.89%
Advanced Drainage Systems Inc 3.19% 3.46%
Watts Water Technologies Inc 3.42% 3.07%
Zurn Elkay Water Solutions Corp 2.42% 2.06%
Core & Main Inc 2.06% 2.04%
Pentair PLC 1.50% 2.78%
H2O America 1.70% 1.29%
Franklin Electric Co Inc 1.28% 2.03%
Badger Meter Inc 1.27% 1.93%
Only in CGW
Cia de Saneamento Basico do Estado de Sao Paulo SABESP 7.73%
Essential Utilities Inc 5.86%
United Utilities Group PLC 5.83%
Severn Trent PLC 5.28%
Geberit AG 3.61%
COPASA 1.90%
Kurita Water Industries Ltd 1.87%
Pennon Group PLC 1.75%
Only in FIW
Agilent Technologies, Inc. 4.75%
Waters Corporation 4.48%
Ferguson Enterprises Inc. 4.20%
IDEXX Laboratories, Inc. 3.97%
Jacobs Solutions Inc. 3.84%
IDEX Corporation 3.69%
Mueller Industries, Inc. 3.60%
Roper Technologies, Inc. 3.48%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed.

37% of the two portfolios are the same securities at the same weight.

Performance, window by window

Total returnvs the S&P 500vs the Nasdaq-100
WindowCGWFIWCGWFIWCGWFIW
3 months−4.7%−4.0%−7.2 pts−6.6 pts−6.8 pts−6.2 pts
6 months−3.4%0.0%−20.4 pts−17.0 pts−30.3 pts−26.9 pts
1 year−1.4%−6.9%−17.1 pts−22.6 pts−25.2 pts−30.7 pts
3 years+41.4%+28.1%−43.6 pts−56.9 pts−68.6 pts−81.9 pts
Since launch
CGW Jan 2010 · FIW Jan 2010
+340.9%+519.2%−463.8 pts−285.5 pts−1396.7 pts−1218.4 pts

CGW and FIW over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

CGW
Invesco S&P Global Water Index ETF · Holds 81 stocks in water, 26% of its weight in S&P 500 companies
FIW
First Trust Water ETF · Holds 38 stocks in water, 48% of its weight in S&P 500 companies
Issuer Invesco First Trust
Theme Water Water
In the S&P 500 25.6% 48.5%
Active share vs the S&P 500 99.8% 99.4%
In the Nasdaq-100 0.0% 7.4%
Holdings 81 38
Top ten, share of the fund 55.8% 40.9%
Expense ratio 0.58% 0.50%
Fee for the differing part 0.58% 0.50%
Total return, 1 year −1.4% −6.9%
vs the S&P 500 −17.1 pts −22.6 pts
vs the Nasdaq-100 −25.2 pts −30.7 pts
Below its high −9.5% −9.9%
Net assets $1.0bn $1.7bn

CGW and FIW on the same fields, as of Sep 30, 2026. Source: ETFIQ.

CGW in plain words

By weight, 26% of CGW's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 56% of the fund across 81 positions, as published by its issuer for Sep 30, 2026. Over the year to Sep 30, 2026 the fund returned −1.4% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 17.1 pts. It sits 9.5% below its all-time high of Feb 26, 2026.

FIW in plain words

By weight, 48% of FIW's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 41% of the fund across 38 positions, as published by its issuer for Sep 30, 2026. Over the year to Sep 30, 2026 the fund returned −6.9% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 22.6 pts. It sits 9.9% below its all-time high of Jan 22, 2026.

Questions people ask

Do CGW and FIW hold the same stocks?
By their latest filings, 37% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, CGW or FIW?
CGW has 26% of its weight in S&P 500 names and FIW has 48%, so CGW differs more from the index.
Which is cheaper, CGW or FIW?
CGW charges 0.58% a year and FIW charges 0.50%, so FIW is cheaper. Fees come from each fund's prospectus.
Cite this page

ETFIQ, CGW against FIW, data as of Sep 30, 2026. https://etfiq.com/compare/themes/cgw-vs-fiw

Open data

Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.