PHOvsFIWETF Comparison
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Invesco Water Resources ETF (PHO) and First Trust ISE Water Index Fund ETF (FIW) belong to the same industry segment: Natural Resources. PHO's top 3 sector exposures are Industrials, Utilities and Information Technology. In contrast, FIW's top sector exposures are Industrials, Health Care and Utilities. PHO is more expensive with a Total Expense Ratio (TER) of 0.59%, versus 0.51% for FIW. PHO is down -0.79% year-to-date (YTD) with -$5M in YTD flows. FIW performs better with -0.35% YTD performance, and -$37M in YTD flows. Run a side-by-side ETF comparison of PHO and FIW 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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PHO vs FIW performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/22/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PHO FIW | +4.39%+4.66% | -6.31%-6.09% | -0.79%-0.35% | +11.83%+14.44% | +33.42%+33.42% | +36.86%+36.23% |
| Flows | PHO FIW | -$8M-$21M | +$1M-$9M | -$5M-$37M | -$147M+$17M | -$228M+$156M | -$50M+$562M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PHO FIW | +16.59%+17.39% | +15.50%+16.00% | +16.26%+16.51% | +18.22%+18.64% |
| Max drawdown | PHO FIW | -11.96%-12.73% | -11.99%-12.73% | -19.26%-18.25% | -28.58%-28.49% |
| Max drawdown duration | PHO FIW | 90d89d | 183d89d | 250d238d | 715d710d |
Trading data
PHO | FIW | |
Last sale 4/23/2026 at 1:30 PM | $69.80 | $108.60 |
| Previous close 04/22/2026 | $69.69 | $108.33 |
| Consolidated volume 04/22/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 2026
1-year trailing difference
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PHO | FIW | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 4/23/2026 at 1:30 PM
Live
Closed
PHO | FIW | |
|---|---|---|
| Last price | $69.80 | $108.60 |
| 1D performance | +0.16% | +0.25% |
| AuM | $2.07 B | $1.85 B |
| E/R | 0.59% | 0.51% |
Characteristics
PHO | FIW | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | Invesco | First Trust |
| Benchmark | NASDAQ OMX US Water Index | ISE Clean Edge Water Index |
| N° of holdings | 34 | 32 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 6, 2005 | May 8, 2007 |
| ESG | Yes | Yes |
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Exposure
Countries
PHO
USA
94.98%
Other
5.02%
FIW
USA
91.03%
Other
8.97%
Sectors
PHO
Industrials
42.81%
Utilities
14.14%
Information Techn.
13.87%
Materials
8.45%
Health Care
8.03%
Other
12.7%
FIW
Industrials
48.73%
Health Care
11.94%
Utilities
10.56%
Information Techn.
8.73%
Other
20.04%
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Diversification
PHO
Total weight of top 15 holdings out of 15
76.72%
FIW
Total weight of top 15 holdings out of 15
57.41%
Top 15 holdings
Data as of March 31, 2026
PHO
ROPER TECHNOLOGIES INC
8.73%
WATERS
8.03%
AMERICAN WATER WORKS
7.77%
US31488V1070
7.64%
ECOLAB
7.52%
XYLEM
4.02%
IDEX
3.95%
CORE & MAIN
3.94%
US92338C1036
3.87%
AECOM
3.87%
PENTAIR PLC
3.80%
ESSENTIAL UTILITIES INC
3.71%
MUELLER INDUSTRIES
3.67%
A O SMITH
3.11%
TETRA TECH
3.10%
FIW
ROPER TECHNOLOGIES INC
4.43%
AMERICAN WATER WORKS
4.38%
XYLEM
4.12%
AGILENT TECHNOLOGIES
4.11%
WATERS
4.09%
US31488V1070
3.99%
US92338C1036
3.94%
ECOLAB
3.81%
PENTAIR PLC
3.81%
IDEXX LABORATORIES
3.74%
MUELLER INDUSTRIES
3.64%
US46982L1089
3.55%
IDEX
3.49%
MASCO
3.23%
CORE & MAIN
3.08%
Frequently asked questions about PHO and FIW
How have the PHO and FIW ETFs performed in 2026?
As of April 22, 2026, PHO is down -0.79% year-to-date (YTD), while FIW has lost -0.35%. That puts FIW better performer ahead so far this year.
Which ETF is attracting more investor money: PHO or FIW?
Year-to-date, the PHO ETF saw -$5M in flows, compared to -$37M for FIW.
Which ETF is more volatile: PHO or FIW?
Over the past year, PHO had a volatility of 15.5%, while FIW experienced 16%.
Which ETF is bigger: PHO or FIW?
As of April 22, 2026, PHO holds $2.07 B in assets under management (AUM), while FIW manages $1.85 B.
What sectors do the PHO and FIW ETFs invest in?
PHO leans toward sectors like Industrials, Utilities and Information Technology. Meanwhile, FIW focuses on Industrials, Health Care and Utilities.
What are the top holdings of the PHO ETF and FIW ETF?
PHO top holdings include ROPER TECHNOLOGIES INC, WATERS and AMERICAN WATER WORKS. FIW holds in its top three: ROPER TECHNOLOGIES INC, AMERICAN WATER WORKS and XYLEM.
Which ETF is more diversified: PHO or FIW?
PHO holds 36 securities with 76.72% of its assets in the top 15. FIW has 36 securities and a top 15 weight of 57.41%.
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