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. Both ETFs have the same top 3 sector exposures: Industrials, Healthcare and Non-Energy Materials. PHO is more expensive with a Total Expense Ratio (TER) of 0.59%, versus 0.51% for FIW. PHO is down -1.84% year-to-date (YTD) with -$104M in YTD flows. FIW performs better with -0.39% YTD performance, and -$90M 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 09/09/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PHO FIW | -5.98%-4.49% | +2.17%+3.90% | -1.84%-0.39% | -2.56%-5.34% | +27.19%+28.20% | +20.06%+22.39% |
| Flows | PHO FIW | -$29M-$60M | -$89M-$43M | -$104M-$90M | -$205M-$45M | -$332M+$59M | -$411M+$217M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PHO FIW | +18.26%+18.10% | +15.93%+16.29% | +16.65%+16.83% | +18.44%+18.78% |
| Max drawdown | PHO FIW | -6.09%-5.16% | -13.83%-13.79% | -19.26%-18.25% | -28.58%-28.49% |
| Max drawdown duration | PHO FIW | 31d30d | 323d229d | 250d238d | 715d710d |
Trading data
PHO | FIW | |
Last sale 9/10/2026 at 1:30 PM | $68.07 | $104.90 |
| Previous close 09/09/2026 | $68.82 | $106.45 |
| Consolidated volume 09/09/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 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 9/10/2026 at 1:30 PM
Live
Closed
PHO | FIW | |
|---|---|---|
| Last price | $68.07 | $104.90 |
| 1D performance | -1.09% | -1.46% |
| AuM | $1.94 B | $1.79 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 | 40 | 36 |
| 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
95.25%
Other
4.75%
FIW
USA
92.05%
Other
7.95%
Sectors
PHO
Industrials
45.27%
Healthcare
17.07%
Non-Energy Materi.
15.54%
Technology
14.66%
Utilities
7.47%
Other
0%
FIW
Industrials
48.61%
Healthcare
13.91%
Non-Energy Materi.
13.7%
Utilities
11.3%
Consumer Non-Cycl.
7.47%
Other
5.01%
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Diversification
PHO
Total weight of top 15 holdings out of 15
73.01%
FIW
Total weight of top 15 holdings out of 15
60.12%
Top 15 holdings
Data as of July 31, 2026
PHO
Roper Technologies, Inc.
9.37%
Ecolab, Inc.
8.29%
Waters Corp.
6.69%
Ferguson Enterprises, Inc.
6.57%
IDEXX Laboratories, Inc.
6.51%
Veralto Corp.
4.49%
American Water Works Co., Inc.
4.19%
Xylem, Inc.
4.17%
Agilent Technologies, Inc.
3.87%
IDEX Corp.
3.61%
Jacobs Solutions, Inc.
3.33%
Pentair plc
3.17%
AECOM
3.01%
Trimble, Inc.
2.94%
Advanced Drainage Systems, Inc.
2.80%
FIW
Agilent Technologies, Inc.
5.29%
Waters Corp.
5.21%
Roper Technologies, Inc.
4.82%
Veralto Corp.
4.19%
American Water Works Co., Inc.
4.14%
IDEX Corp.
4.01%
Jacobs Solutions, Inc.
3.86%
Mueller Industries, Inc.
3.78%
Ferguson Enterprises, Inc.
3.77%
Ecolab, Inc.
3.75%
Masco Corp.
3.68%
Xylem, Inc.
3.60%
Watts Water Technologies, Inc.
3.47%
IDEXX Laboratories, Inc.
3.41%
Tetra Tech, Inc.
3.14%
Frequently asked questions about PHO and FIW
How have the PHO and FIW ETFs performed in 2026?
As of September 9, 2026, PHO is down -1.84% year-to-date (YTD), while FIW has lost -0.39%. 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 -$104M in flows, compared to -$90M for FIW.
Which ETF is more volatile: PHO or FIW?
Over the past year, PHO had a volatility of 15.93%, while FIW experienced 16.29%.
Which ETF is bigger: PHO or FIW?
As of September 9, 2026, PHO holds $1.94 B in assets under management (AUM), while FIW manages $1.79 B.
What sectors do the PHO and FIW ETFs invest in?
PHO leans toward sectors like Industrials, Healthcare and Non-Energy Materials. Meanwhile, FIW focuses on Industrials, Healthcare and Non-Energy Materials.
What are the top holdings of the PHO ETF and FIW ETF?
PHO top holdings include Roper Technologies, Inc., Ecolab, Inc. and Waters Corp.. FIW holds in its top three: Agilent Technologies, Inc., Waters Corp. and Roper Technologies, Inc..
Which ETF is more diversified: PHO or FIW?
PHO holds 40 securities with 73.01% of its assets in the top 15. FIW has 36 securities and a top 15 weight of 60.12%.
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