BROUGHT TO YOU BY:

ETF Portfolio Builder

New

ETF Portfolio Builder

New

WEEIvsIEOETF Comparison

ETF 1

WEEI

Westwood Salient Enhanced Energy Income ETF

This fund is part of

Options Strategies

+0.4%

Full WEEI fund page

VS

ETF 2

IEO

iShares U.S. Oil & Gas Exploration & Production ETF

This fund is part of

US Energy

+0.8%

Full IEO fund page

Westwood Salient Enhanced Energy Income ETF (WEEI) belongs to the Options Strategies segment. iShares U.S. Oil & Gas Exploration & Production ETF (IEO) is part of the US Energy segment. Both ETFs have the same top 3 sector exposures: and Energy. WEEI is more expensive with a Total Expense Ratio (TER) of 0.85%, versus 0.38% for IEO. WEEI is up 17.32% year-to-date (YTD) with +$47M in YTD flows. IEO performs better with 30.37% YTD performance, and +$10M in YTD flows. Run a side-by-side ETF comparison of WEEI and IEO 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

WEEI vs IEO 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 06/12/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	WEEI IEO	+1.30%-0.96%	+3.05%-0.34%	+17.32%+30.37%	+28.04%+30.16%	n/a+49.91%	n/a+132.85%
Flows	WEEI IEO	+$11M-$6M	+$35M-$16M	+$47M+$10M	+$63M-$61M	--$231M	--$75M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	WEEI IEO	+18.38%+30.26%	+14.51%+25.39%	n/a+25.61%	n/a+30.63%
Max drawdown	WEEI IEO	-7.68%-14.30%	-7.68%-14.30%	n/a-31.40%	n/a-31.40%
Max drawdown duration	WEEI IEO	47d75d	47d75d	n/a683d	n/a683d

Trading data

Create an account to view trading data

Join for free

	WEEI	IEO
Last sale 6/12/2026 at 1:30 PM	$23.71	$115.86
Previous close 06/11/2026	$23.62	$114.50
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

Create an account to view replication metrics

Join for free

WEEI

is actively managed and doesn’t replicate an index

Create an account to view replication quality

Join for free

	WEEI	IEO
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 6/12/2026 at 1:30 PM

Live

Closed

	WEEI	IEO
Last price	$23.71	$115.86
1D performance	+0.39%	+1.19%
AuM	$84.83 M	$544.52 M
E/R	0.85%	0.38%

Characteristics

	WEEI	IEO
Management strategy	Active	Passive
Provider	Westwood	iShares
Benchmark	-	Dow Jones U.S. Select Oil Exploration & Production Index
N° of holdings	22	40
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	May 1, 2024	May 1, 2006
ESG	No	No

More WEEI data on Trackinsight

More IEO data on Trackinsight

Exposure

Countries

WEEI

USA

93.01%

Other

6.99%

IEO

USA

99.92%

Other

0.08%

Sectors

WEEI

Energy

98.09%

Other

1.91%

IEO

Energy

94.44%

Other

5.56%

Diversification

WEEI

Total weight of top 15 holdings out of 15

87.46%

IEO

Total weight of top 15 holdings out of 15

82.77%

Top 15 holdings

Data as of April 30, 2026

WEEI

EXXON

23.07%

CHEVRON TEXACO

13.41%

CONOCOPHILLIPS

6.24%

VALERO ENERGY

5.11%

SCHLUMBERGER

5.08%

WILLIAMS

4.85%

BAKER HUGHES

4.12%

EOG RESOURCES

3.74%

PHILLIPS 66

3.73%

KINDER MORGAN

3.67%

TARGA RESOURCS

3.38%

ONEOK

3.36%

MARATHON PETROLEUM

3.07%

HALLIBURTON

2.44%

EQT

2.19%

IEO

CONOCOPHILLIPS

18.85%

VALERO ENERGY

9.42%

EOG RESOURCES

9.33%

PHILLIPS 66

7.29%

DIAMONDBACK ENERGY

5.08%

DEVON ENERGY

4.64%

MARATHON PETROLEUM

4.58%

COTERRA ENERGY

3.97%

EQT

3.94%

CHESAPEAKE ENERGY

3.54%

TEXAS PACIFIC LAND CORP

3.54%

OVINTIV INC

2.49%

US71424F1057

2.33%

APA CORPORATION

2.10%

ANTERO RESOURCES

1.68%

Frequently asked questions about WEEI and IEO

WEEIvsIEOETF Comparison

Westwood Salient Enhanced Energy Income ETF

iShares U.S. Oil & Gas Exploration & Production ETF

WEEI vs IEO 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 WEEI and IEO ETFs performed in 2026?

As of June 12, 2026, WEEI is up 17.32% year-to-date (YTD), while IEO has returned 30.37%. That puts IEO better performer ahead so far this year.

Which ETF is attracting more investor money: WEEI or IEO?

Year-to-date, the WEEI ETF saw +$47M in flows, compared to +$10M for IEO.

Which ETF is more volatile: WEEI or IEO?

Over the past year, WEEI had a volatility of 14.51%, while IEO experienced 25.39%.

Which ETF is bigger: WEEI or IEO?

As of June 12, 2026, WEEI holds $84.83 M in assets under management (AUM), while IEO manages $544.52 M.

What sectors do the WEEI and IEO ETFs invest in?

WEEI leans toward sectors like Energy. Meanwhile, IEO focuses on Energy.

What are the top holdings of the WEEI ETF and IEO ETF?

WEEI top holdings include EXXON, CHEVRON TEXACO and CONOCOPHILLIPS. IEO holds in its top three: CONOCOPHILLIPS, VALERO ENERGY and EOG RESOURCES.

Which ETF is more diversified: WEEI or IEO?

WEEI holds 22 securities with 87.46% of its assets in the top 15. IEO has 47 securities and a top 15 weight of 82.77%.

Westwood Launches BFRE ETF: A New Approach to Global Equity Investing

Crude and Natural Gas Markets on the Move

War in the Middle East: ETF Movers & Shakers

Build and Analyze Your ETF Portfolio Like a Pro