FIWvsPHOETF Comparison
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First Trust ISE Water Index Fund ETF (FIW) and Invesco Water Resources ETF (PHO) belong to the same industry segment: Natural Resources. FIW's top 3 sector exposures are Industrials, Health Care and Utilities. In contrast, PHO's top sector exposures are Industrials, Utilities and Information Technology. FIW is less expensive with a Total Expense Ratio (TER) of 0.51%, versus 0.59% for PHO. FIW is down -0.16% year-to-date (YTD) with -$37M in YTD flows. PHO performs worse with -1.26% YTD performance, and -$5M in YTD flows. Run a side-by-side ETF comparison of FIW 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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FIW vs PHO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/24/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FIW PHO | +4.68%+3.77% | -5.65%-6.15% | -0.16%-1.26% | +8.69%+8.11% | +33.30%+32.78% | +35.16%+35.34% |
| Flows | FIW PHO | -$21M-$13M | -$21M+$3M | -$37M-$5M | +$17M-$136M | +$156M-$228M | +$550M-$50M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FIW PHO | +17.29%+16.55% | +15.63%+15.35% | +16.49%+16.24% | +18.63%+18.22% |
| Max drawdown | FIW PHO | -12.32%-11.58% | -12.73%-11.99% | -18.25%-19.26% | -28.49%-28.58% |
| Max drawdown duration | FIW PHO | 73d75d | 92d185d | 238d250d | 710d715d |
Trading data
FIW | PHO | |
Last sale 4/27/2026 at 1:30 PM | $108.46 | $69.37 |
| Previous close 04/24/2026 | $108.28 | $69.34 |
| Consolidated volume 04/24/2026 | ||
| 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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FIW | 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 4/27/2026 at 1:30 PM
Live
Closed
FIW | PHO | |
|---|---|---|
| Last price | $108.46 | $69.37 |
| 1D performance | +0.17% | +0.04% |
| AuM | $1.85 B | $2.06 B |
| E/R | 0.51% | 0.59% |
Characteristics
FIW | PHO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | First Trust | Invesco |
| Benchmark | ISE Clean Edge Water Index | NASDAQ OMX US Water Index |
| N° of holdings | 32 | 34 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 8, 2007 | December 6, 2005 |
| ESG | Yes | Yes |
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Exposure
Countries
FIW
USA
91.03%
Other
8.97%
PHO
USA
94.98%
Other
5.02%
Sectors
FIW
Industrials
48.73%
Health Care
11.94%
Utilities
10.56%
Information Techn.
8.73%
Other
20.04%
PHO
Industrials
42.81%
Utilities
14.14%
Information Techn.
13.87%
Materials
8.45%
Health Care
8.03%
Other
12.7%
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Diversification
FIW
Total weight of top 15 holdings out of 15
57.41%
PHO
Total weight of top 15 holdings out of 15
76.72%
Top 15 holdings
Data as of March 31, 2026
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%
STANTEC
3.08%
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%
Frequently asked questions about FIW and PHO
How have the FIW and PHO ETFs performed in 2026?
As of April 24, 2026, FIW is down -0.16% year-to-date (YTD), while PHO has lost -1.26%. That puts FIW better performer ahead so far this year.
Which ETF is attracting more investor money: FIW or PHO?
Year-to-date, the FIW ETF saw -$37M in flows, compared to -$5M for PHO.
Which ETF is more volatile: FIW or PHO?
Over the past year, FIW had a volatility of 15.63%, while PHO experienced 15.35%.
Which ETF is bigger: FIW or PHO?
As of April 24, 2026, FIW holds $1.85 B in assets under management (AUM), while PHO manages $2.06 B.
What sectors do the FIW and PHO ETFs invest in?
FIW leans toward sectors like Industrials, Health Care and Utilities. Meanwhile, PHO focuses on Industrials, Utilities and Information Technology.
What are the top holdings of the FIW ETF and PHO ETF?
FIW top holdings include ROPER TECHNOLOGIES INC, AMERICAN WATER WORKS and XYLEM. PHO holds in its top three: ROPER TECHNOLOGIES INC, WATERS and AMERICAN WATER WORKS.
Which ETF is more diversified: FIW or PHO?
FIW holds 36 securities with 57.41% of its assets in the top 15. PHO has 36 securities and a top 15 weight of 76.72%.
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