Largest Water ETFs by Net Assets

The 7 largest

The largest Water ETFs
#	Fund	Net assets	Cost	Yield	YTD	1 yr	3 yr	5 yr
1	PHO Invesco Water Resources ETF	$2.00B	0.59%	0.5%	+3.2%	-1.6%	+13.9%	+5.6%
2	FIW First Trust Water ETF	$1.86B	0.5%	0.73%	+2.1%	-3.2%	+13.4%	+5.2%
3	CGW Invesco S&P Global Water Index ETF	$1.05B	0.58%	1.57%	+1.1%	-1.3%	+14.8%	+3.5%
4	PIO Invesco Global Water ETF	$273.4M	0.75%	0.89%	-0.1%	-3.9%	+12.8%	+2.1%
5	TBLU Tortoise Global Water ESG Fund	$52.9M	0.4%	3.54%	-0.5%	-4.8%	—	—
6	AQWA Global X Clean Water ETF	$23.8M	0.5%	1.61%	-0.2%	-5.3%	+12.3%	—
7	IWTR iShares MSCI Water Management Multisector ETF	$6.4M	0.47%	0%	0.0%	0.0%	+13.9%	—

Returns are total returns with distributions reinvested (3 and 5 years annualized), as of Oct 27, 2026.

Growth of each fund’s value from the start of the range, distributions reinvested. The dashed gray line is the S&P 500 (SPY).

Largest first. Click a heading to sort.

All Water ETFs
Fund	Issuer	Net assets	Cost	Yield	YTD	1 yr	5 yr
PHO Invesco Water Resources ETF	Invesco	$2.00B	0.59%	0.5%	+3.2%	-1.6%	+5.6%
FIW First Trust Water ETF	First Trust	$1.86B	0.5%	0.73%	+2.1%	-3.2%	+5.2%
CGW Invesco S&P Global Water Index ETF	Invesco	$1.05B	0.58%	1.57%	+1.1%	-1.3%	+3.5%
PIO Invesco Global Water ETF	Invesco	$273.4M	0.75%	0.89%	-0.1%	-3.9%	+2.1%
TBLU Tortoise Global Water ESG Fund	Tortoise	$52.9M	0.4%	3.54%	-0.5%	-4.8%	—
AQWA Global X Clean Water ETF	Global X	$23.8M	0.5%	1.61%	-0.2%	-5.3%	—
IWTR iShares MSCI Water Management Multisector ETF	iShares	$6.4M	0.47%	0%	0.0%	0.0%	—

ReadyAimRetire shows whether your whole plan works, with your accounts, Social Security, taxes and spending, year by year.