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FIWvsGUNRETF Comparison

ETF 1

FIW

First Trust ISE Water Index Fund ETF

This fund is part of

Natural Resources

+1.44%

Full FIW fund page

VS

ETF 2

GUNR

FlexShares Morningstar Global Upstream Natural Resources Index Fund ETF

This fund is part of

Natural Resources

+1.44%

Full GUNR fund page

First Trust ISE Water Index Fund ETF (FIW) and FlexShares Morningstar Global Upstream Natural Resources Index Fund ETF (GUNR) belong to the same industry segment: Natural Resources. FIW's top 3 sector exposures are Industrials, Health Care and Utilities. In contrast, GUNR's top sector exposures are Materials, Energy and Consumer Staples. FIW is more expensive with a Total Expense Ratio (TER) of 0.51%, versus 0.47% for GUNR. FIW is down -4.69% year-to-date (YTD) with -$53M in YTD flows. GUNR performs better with 13.44% YTD performance, and +$593M in YTD flows. Run a side-by-side ETF comparison of FIW and GUNR 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 GUNR performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 06/10/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	FIW GUNR	-1.11%-6.23%	-2.94%-4.39%	-4.69%+13.44%	-3.58%+32.24%	+22.41%+41.43%	+28.52%+54.83%
Flows	FIW GUNR	-$15M-	-$36M+$101M	-$53M+$593M	-$24M+$852M	+$124M-$1.42B	+$469M+$171M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	FIW GUNR	+17.40%+13.36%	+15.62%+13.62%	+16.50%+14.27%	+18.66%+16.86%
Max drawdown	FIW GUNR	-8.45%-7.23%	-13.79%-7.23%	-18.25%-18.53%	-28.49%-23.49%
Max drawdown duration	FIW GUNR	57d29d	139d29d	238d427d	710d1239d

Trading data

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	FIW	GUNR
Last sale 6/12/2026 at 4:13 PM	$105.62	$52.96
Previous close 06/11/2026	$104.72	$52.25
Consolidated volume 06/11/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of May 29, 2026

1-year trailing difference

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	FIW	GUNR
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 6/12/2026 at 4:13 PM

Live

Closed

	FIW	GUNR
Last price	$105.62	$52.96
1D performance	+0.86%	+1.36%
AuM	$1.75 B	$7.09 B
E/R	0.51%	0.47%

Characteristics

	FIW	GUNR
Management strategy	Passive	Passive
Provider	First Trust	FlexShares
Benchmark	ISE Clean Edge Water Index	Morningstar Global Upstream Natural Resources Index
N° of holdings	30	92
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	May 8, 2007	September 16, 2011
ESG	Yes	No

More FIW data on Trackinsight

More GUNR data on Trackinsight

Exposure

Countries

FIW

USA

83.74%

Other

16.26%

GUNR

USA

32.57%

Canada

18.12%

United Kingdom

11.3%

Other

38.01%

Sectors

FIW

Industrials

50.22%

Health Care

11.67%

Utilities

8.82%

Other

29.3%

GUNR

Materials

40.76%

Energy

29.37%

Consumer Staples

7.29%

Other

22.58%

Diversification

FIW

Total weight of top 15 holdings out of 15

56.27%

GUNR

Total weight of top 15 holdings out of 15

45.22%

Top 15 holdings

Data as of April 30, 2026

FIW

MUELLER INDUSTRIES

4.27%

US31488V1070

4.20%

AMERICAN WATER WORKS

4.13%

AGILENT TECHNOLOGIES

4.01%

WATERS

3.99%

XYLEM

3.86%

MASCO

3.85%

US92338C1036

3.72%

ECOLAB

3.67%

IDEXX LABORATORIES

3.67%

IDEX

3.64%

PENTAIR PLC

3.54%

US46982L1089

3.40%

ADVANCED DRAINAGE SYSTEMS

3.23%

STANTEC

3.08%

GUNR

CORTEVA INC

4.88%

EXXON

4.84%

NUTRIEN LTD

4.65%

BHP GROUP LTD

4.28%

SHELL PLC

3.82%

CHEVRON TEXACO

3.68%

ARCHER DANIELS

3.18%

TOTALENERGIES SE

2.83%

RIO TINTO

2.21%

NEWMONT CORP

2.03%

AGNICO EAGLE MINES LTD

2.01%

BP

1.78%

TYSON FOODS

1.75%

CH1300646267

1.64%

CF INDUSTRIES HOLDINGS

1.63%

Frequently asked questions about FIW and GUNR

How have the FIW and GUNR ETFs performed in 2026?

As of June 10, 2026, FIW is down -4.69% year-to-date (YTD), while GUNR has returned 13.44%. That puts GUNR better performer ahead so far this year.

Which ETF is attracting more investor money: FIW or GUNR?

Year-to-date, the FIW ETF saw -$53M in flows, compared to +$593M for GUNR.

Which ETF is more volatile: FIW or GUNR?

Over the past year, FIW had a volatility of 15.62%, while GUNR experienced 13.62%.

Which ETF is bigger: FIW or GUNR?

As of June 10, 2026, FIW holds $1.75 B in assets under management (AUM), while GUNR manages $7.09 B.

What sectors do the FIW and GUNR ETFs invest in?

FIW leans toward sectors like Industrials, Health Care and Utilities. Meanwhile, GUNR focuses on Materials, Energy and Consumer Staples.

What are the top holdings of the FIW ETF and GUNR ETF?

FIW top holdings include MUELLER INDUSTRIES, US31488V1070 and AMERICAN WATER WORKS. GUNR holds in its top three: CORTEVA INC, EXXON and NUTRIEN LTD.

Which ETF is more diversified: FIW or GUNR?

FIW holds 33 securities with 56.27% of its assets in the top 15. GUNR has 92 securities and a top 15 weight of 45.22%.

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FIW

FIWvsGUNRETF Comparison

First Trust ISE Water Index Fund ETF

FlexShares Morningstar Global Upstream Natural Resources Index Fund ETF

FIW vs GUNR performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the FIW and GUNR ETFs performed in 2026?

As of June 10, 2026, FIW is down -4.69% year-to-date (YTD), while GUNR has returned 13.44%. That puts GUNR better performer ahead so far this year.

Which ETF is attracting more investor money: FIW or GUNR?

Year-to-date, the FIW ETF saw -$53M in flows, compared to +$593M for GUNR.

Which ETF is more volatile: FIW or GUNR?

Over the past year, FIW had a volatility of 15.62%, while GUNR experienced 13.62%.

Which ETF is bigger: FIW or GUNR?

As of June 10, 2026, FIW holds $1.75 B in assets under management (AUM), while GUNR manages $7.09 B.

What sectors do the FIW and GUNR ETFs invest in?

FIW leans toward sectors like Industrials, Health Care and Utilities. Meanwhile, GUNR focuses on Materials, Energy and Consumer Staples.

What are the top holdings of the FIW ETF and GUNR ETF?

FIW top holdings include MUELLER INDUSTRIES, US31488V1070 and AMERICAN WATER WORKS. GUNR holds in its top three: CORTEVA INC, EXXON and NUTRIEN LTD.

Which ETF is more diversified: FIW or GUNR?

FIW holds 33 securities with 56.27% of its assets in the top 15. GUNR has 92 securities and a top 15 weight of 45.22%.

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