CGWvsPHOETF Comparison
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Invesco S&P Global Water Index ETF (CGW) and Invesco Water Resources ETF (PHO) belong to the same industry segment: Natural Resources. CGW's top 3 sector exposures are Utilities, Industrials and Non-Energy Materials. In contrast, PHO's top sector exposures are Industrials, Healthcare and Non-Energy Materials. Both CGW and PHO have the same Total Expense Ratio (TER) of 0.59%. CGW is up 5.61% year-to-date (YTD) with +$41M in YTD flows. PHO performs worse with 3.88% YTD performance, and -$75M in YTD flows. Run a side-by-side ETF comparison of CGW and PHO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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CGW vs PHO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/04/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CGW PHO | +1.10%+4.36% | +3.65%+8.20% | +5.61%+3.88% | +7.33%+3.65% | +36.17%+29.45% | +25.15%+30.21% |
| Flows | CGW PHO | +$5M-$15M | +$15M-$119M | +$41M-$75M | +$26M-$177M | -$156M-$300M | -$138M-$229M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CGW PHO | +14.80%+18.23% | +13.39%+16.27% | +13.81%+16.63% | +15.75%+18.39% |
| Max drawdown | CGW PHO | -5.68%-6.94% | -10.52%-13.83% | -14.42%-19.26% | -32.65%-28.58% |
| Max drawdown duration | CGW PHO | 50d49d | 159d287d | 227d250d | 862d715d |
Trading data
CGW | PHO | |
Last sale 8/5/2026 at 5:16 PM | $66.61 | $72.95 |
| Previous close 08/04/2026 | $66.31 | $72.88 |
| Consolidated volume 08/04/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of July 31, 2026
1-year trailing difference
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CGW | PHO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 8/5/2026 at 5:16 PM
Live
Closed
CGW | PHO | |
|---|---|---|
| Last price | $66.61 | $72.95 |
| 1D performance | +0.44% | +0.10% |
| AuM | $1.08 B | $2.08 B |
| E/R | 0.59% | 0.59% |
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Exposure
Countries
CGW
USA
59.15%
United Kingdom
11.29%
Brazil
10.57%
Other
18.99%
PHO
USA
94.59%
Other
5.41%
Sectors
CGW
Utilities
43.48%
Industrials
36.56%
Non-Energy Materi.
16.18%
Other
3.78%
PHO
Industrials
46.17%
Healthcare
17.05%
Non-Energy Materi.
16.79%
Technology
12.53%
Utilities
7.45%
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Diversification
CGW
Total weight of top 15 holdings out of 15
65.66%
PHO
Total weight of top 15 holdings out of 15
72.4%
Top 15 holdings
Data as of June 30, 2026
CGW
American Water Works Co., Inc.
7.85%
Xylem, Inc.
7.34%
Companhia de Saneamento Basico do Estado de Sao Paulo SABESP
7.32%
Essential Utilities, Inc.
5.80%
Veralto Corp.
5.33%
Ecolab, Inc.
4.18%
United Utilities Group Plc
4.16%
Severn Trent Plc
3.95%
Advanced Drainage Systems, Inc.
3.53%
Geberit AG
3.38%
Watts Water Technologies, Inc.
3.15%
American States Water Co.
2.63%
Zurn Elkay Water Solutions Corp.
2.41%
California Water Service Group
2.40%
Core & Main, Inc.
2.22%
PHO
Ecolab, Inc.
8.49%
Roper Technologies, Inc.
7.96%
Ferguson Enterprises, Inc.
7.10%
Waters Corp.
6.76%
IDEXX Laboratories, Inc.
6.45%
Veralto Corp.
4.18%
American Water Works Co., Inc.
4.12%
Xylem, Inc.
4.07%
Agilent Technologies, Inc.
3.84%
Pentair plc
3.73%
IDEX Corp.
3.66%
Advanced Drainage Systems, Inc.
3.21%
Jacobs Solutions, Inc.
3.16%
AECOM
2.97%
Core & Main, Inc.
2.72%
Frequently asked questions about CGW and PHO
How have the CGW and PHO ETFs performed in 2026?
As of August 4, 2026, CGW is up 5.61% year-to-date (YTD), while PHO has returned 3.88%. That puts CGW better performer ahead so far this year.
Which ETF is attracting more investor money: CGW or PHO?
Year-to-date, the CGW ETF saw +$41M in flows, compared to -$75M for PHO.
Which ETF is more volatile: CGW or PHO?
Over the past year, CGW had a volatility of 13.39%, while PHO experienced 16.27%.
Which ETF is bigger: CGW or PHO?
As of August 4, 2026, CGW holds $1.08 B in assets under management (AUM), while PHO manages $2.08 B.
What sectors do the CGW and PHO ETFs invest in?
CGW leans toward sectors like Utilities, Industrials and Non-Energy Materials. Meanwhile, PHO focuses on Industrials, Healthcare and Non-Energy Materials.
What are the top holdings of the CGW ETF and PHO ETF?
CGW top holdings include American Water Works Co., Inc., Xylem, Inc. and Companhia de Saneamento Basico do Estado de Sao Paulo SABESP. PHO holds in its top three: Ecolab, Inc., Roper Technologies, Inc. and Ferguson Enterprises, Inc..
Which ETF is more diversified: CGW or PHO?
CGW holds 67 securities with 65.66% of its assets in the top 15. PHO has 40 securities and a top 15 weight of 72.4%.
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