BROUGHT TO YOU BY:

ETF Portfolio Builder

New

ETF Portfolio Builder

New

PHOvsMMIDETF Comparison

ETF 1

PHO

Invesco Water Resources ETF

This fund is part of

Natural Resources

-0.42%

Full PHO fund page

VS

ETF 2

MMID

MFS Active Mid Cap ETF

This fund is part of

Uncategorized Equities

+0.6%

Full MMID fund page

Invesco Water Resources ETF (PHO) belongs to the Natural Resources segment. MFS Active Mid Cap ETF (MMID) is part of the Uncategorized Equities segment. PHO's top 3 sector exposures are Industrials, Utilities and Information Technology. In contrast, MMID's top sector exposures are Industrials, Information Technology and Financials. Both PHO and MMID have the same Total Expense Ratio (TER) of 0.59%. PHO is down -1.26% year-to-date (YTD) with -$5M in YTD flows. MMID performs better with 3.01% YTD performance, and +$565K in YTD flows. Run a side-by-side ETF comparison of PHO and MMID below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

Find out how industry players manage ETF portfolios. Discover our library of Model portfolios

PHO vs MMID performance and flow charts

Performance

Cumulative Flows

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

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 04/24/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	PHO MMID	+3.77%+4.37%	-6.15%-0.90%	-1.26%+3.01%	+8.11%n/a	+32.78%n/a	+35.34%n/a
Flows	PHO MMID	-$13M+$64K	+$3M+$560K	-$5M+$565K	-$136M-	-$228M-	-$50M-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	PHO MMID	+16.55%+15.02%	+15.35%n/a	+16.24%n/a	+18.22%n/a
Max drawdown	PHO MMID	-11.58%-7.98%	-11.99%n/a	-19.26%n/a	-28.58%n/a
Max drawdown duration	PHO MMID	75d75d	185dn/a	250dn/a	715dn/a

Trading data

Create an account to view trading data

Join for free

	PHO	MMID
Last sale 4/27/2026 at 1:30 PM	$69.34	$25.71
Previous close 04/24/2026	$69.34	$25.73
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

Create an account to view replication metrics

Join for free

MMID

is actively managed and doesn’t replicate an index

Create an account to view replication quality

Join for free

	PHO	MMID
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 4/27/2026 at 1:30 PM

Live

Closed

	PHO	MMID
Last price	$69.34	$25.71
1D performance	+0.00%	-0.07%
AuM	$2.06 B	$33.68 M
E/R	0.59%	0.59%

Characteristics

	PHO	MMID
Management strategy	Passive	Active
Provider	Invesco	MFS
Benchmark	NASDAQ OMX US Water Index	-
N° of holdings	34	87
Asset class	Equities	-
Trailing 12m distribution yield	Join	Join
Inception date	December 6, 2005	September 24, 2025
ESG	Yes	No

More PHO data on Trackinsight

More MMID data on Trackinsight

Exposure

Countries

PHO

USA

94.98%

Other

5.02%

MMID

USA

80.22%

Other

19.78%

Sectors

PHO

Industrials

42.81%

Utilities

14.14%

Information Techn.

13.87%

Materials

8.45%

Health Care

8.03%

Other

12.7%

MMID

Industrials

16.9%

Information Techn.

12.45%

Financials

11.78%

Consumer Discreti.

8.03%

Utilities

7.5%

Health Care

7.38%

Other

35.96%

Diversification

PHO

Total weight of top 15 holdings out of 15

76.72%

MMID

Total weight of top 15 holdings out of 15

21.89%

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%

MMID

CHENIERE ENERGY

1.86%

DIAMONDBACK ENERGY

1.78%

ROSS STORES

1.65%

WABTEC

1.54%

BURLINGTON STORES

1.47%

NVENT ELECTRIC PLC

1.45%

ALLIANT ENERGY

1.41%

ELEMENT SOLUTIONS INC

1.39%

LITTELFUSE

1.39%

US71424F1057

1.35%

WW GRAINGER

1.34%

PPL

1.33%

AMEREN

1.31%

NORDSON

1.31%

GLOBL PAYMNTS

1.31%

Frequently asked questions about PHO and MMID

How have the PHO and MMID ETFs performed in 2026?

As of April 24, 2026, PHO is down -1.26% year-to-date (YTD), while MMID has returned 3.01%. That puts MMID better performer ahead so far this year.

Which ETF is attracting more investor money: PHO or MMID?

Year-to-date, the PHO ETF saw -$5M in flows, compared to +$565K for MMID.

Which ETF is bigger: PHO or MMID?

As of April 24, 2026, PHO holds $2.06 B in assets under management (AUM), while MMID manages $33.68 M.

What sectors do the PHO and MMID ETFs invest in?

PHO leans toward sectors like Industrials, Utilities and Information Technology. Meanwhile, MMID focuses on Industrials, Information Technology and Financials.

What are the top holdings of the PHO ETF and MMID ETF?

PHO top holdings include ROPER TECHNOLOGIES INC, WATERS and AMERICAN WATER WORKS. MMID holds in its top three: CHENIERE ENERGY, DIAMONDBACK ENERGY and ROSS STORES.

Which ETF is more diversified: PHO or MMID?

PHO holds 36 securities with 76.72% of its assets in the top 15. MMID has 90 securities and a top 15 weight of 21.89%.

There's an ETF for that? The 3 Best ETFs for Investing in Water

January 17, 2024

PHO

3 Water ETFs for Thirsty Investors

February 3, 2023

PHO

PHOvsMMIDETF Comparison

Invesco Water Resources ETF

MFS Active Mid Cap ETF

PHO vs MMID 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 PHO and MMID ETFs performed in 2026?

As of April 24, 2026, PHO is down -1.26% year-to-date (YTD), while MMID has returned 3.01%. That puts MMID better performer ahead so far this year.

Which ETF is attracting more investor money: PHO or MMID?

Year-to-date, the PHO ETF saw -$5M in flows, compared to +$565K for MMID.

Which ETF is bigger: PHO or MMID?

As of April 24, 2026, PHO holds $2.06 B in assets under management (AUM), while MMID manages $33.68 M.

What sectors do the PHO and MMID ETFs invest in?

PHO leans toward sectors like Industrials, Utilities and Information Technology. Meanwhile, MMID focuses on Industrials, Information Technology and Financials.

What are the top holdings of the PHO ETF and MMID ETF?

PHO top holdings include ROPER TECHNOLOGIES INC, WATERS and AMERICAN WATER WORKS. MMID holds in its top three: CHENIERE ENERGY, DIAMONDBACK ENERGY and ROSS STORES.

Which ETF is more diversified: PHO or MMID?

PHO holds 36 securities with 76.72% of its assets in the top 15. MMID has 90 securities and a top 15 weight of 21.89%.

There's an ETF for that? The 3 Best ETFs for Investing in Water

3 Water ETFs for Thirsty Investors

Build and Analyze Your ETF Portfolio Like a Pro