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.
26% of CGW's weight is in S&P 500 companies and 74% is outside the index
49% of FIW's weight is in S&P 500 companies and 52% is outside the index
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
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 return | vs the S&P 500 | vs the Nasdaq-100 | ||||
|---|---|---|---|---|---|---|
| Window | CGW | FIW | CGW | FIW | CGW | FIW |
| 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 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.
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement. A comparison is not a recommendation.
ETFIQ, CGW against FIW, data as of Sep 30, 2026. https://etfiq.com/compare/themes/cgw-vs-fiw
Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.
Cite this page. ETFIQ, CGW against FIW, data as of Sep 30, 2026. https://etfiq.com/compare/themes/cgw-vs-fiw Free to use with attribution; the underlying files are at Open data.
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