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WEEIvsIEOETF Comparison

ETF 1
WEEI

Westwood Salient Enhanced Energy Income ETF

This fund is part of
Options Strategies
-1.02%
Full WEEI fund page
VS
ETF 2
IEO

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

This fund is part of
US Energy
+0.76%
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 14.42% year-to-date (YTD) with +$11M in YTD flows. IEO performs better with 30.81% YTD performance, and +$26M 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.

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WEEI vs IEO performance and flow charts

Performance

-20246810%Feb 11Feb 19Feb 26Mar 5Mar 12

Cumulative Flows

0 M2 M4 M6 M8 M10 M12 MFeb 11Feb 19Feb 26Mar 5Mar 12

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

Historic performance and flows
Data as of 03/11/2026
1M3MYTD1Y3Y5Y
Perf.
WEEI
IEO
+2.56%+12.83%
+13.57%+25.76%
+14.42%+30.81%
+25.43%+33.69%
n/a+51.55%
n/a+155.45%
Flows
WEEI
IEO
+$5M+$11M
+$14M+$13M
+$11M+$26M
+$29M-$99M
--$458M
-+$5M
Volatility and drawdown
3M1Y3Y5Y
Volatility
WEEI
IEO
+13.15%+26.86%
+21.24%+30.65%
n/a+25.66%
n/a+30.86%
Max drawdown
WEEI
IEO
-3.47%-5.07%
-18.23%-21.90%
n/a-31.40%
n/a-31.40%
Max drawdown duration
WEEI
IEO
20d30d
176d176d
n/a683d
n/a683d
Trading data

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WEEI
IEO
Last sale
3/13/2026 at 1:30 PM
$23.85
$117.36
Previous close
03/12/2026
$23.81
$116.78
Consolidated volume
03/12/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of February 27, 2026
1-year trailing difference

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WEEI
is actively managed and doesn’t replicate an index

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WEEI
IEO
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 3/13/2026 at 1:30 PM
Live
Closed
WEEI
IEO
Last price
$23.85
$117.36
1D performance
+0.17%
+0.50%
AuM$49.98 M$566.43 M
E/R0.85%0.38%
Characteristics
WEEI
IEO
Management strategyActivePassive
ProviderWestwoodiShares
Benchmark-Dow Jones U.S. Select Oil Exploration & Production Index
N° of holdings2240
Asset class-Equities
Trailing 12m distribution yield
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Inception dateMay 1, 2024May 1, 2006
ESGNoNo
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Exposure

Countries

WEEI
USA
94.08%
Other
5.92%
IEO
USA
99.97%
Other
0.03%

Sectors

WEEI
Energy
98.59%
Other
1.41%
IEO
Energy
94.71%
Other
5.29%
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Diversification

WEEI

Total weight of top 15 holdings out of 15

88.01%
IEO

Total weight of top 15 holdings out of 15

82.79%

Top 15 holdings

Data as of January 31, 2026
WEEI
EXXON
23.91%
CHEVRON TEXACO
16.01%
CONOCOPHILLIPS
6.19%
WILLIAMS
4.56%
SCHLUMBERGER
4.51%
VALERO ENERGY
3.94%
KINDER MORGAN
3.85%
EOG RESOURCES
3.68%
BAKER HUGHES
3.62%
PHILLIPS 66
3.60%
ONEOK
3.21%
DIAMONDBACK ENERGY
3.09%
TARGA RESOURCS
2.79%
MARATHON PETROLEUM
2.62%
EQT
2.42%
IEO
CONOCOPHILLIPS
19.65%
EOG RESOURCES
9.41%
PHILLIPS 66
8.98%
MARATHON PETROLEUM
6.60%
DEVON ENERGY
4.58%
VALERO ENERGY
4.56%
DIAMONDBACK ENERGY
4.48%
EQT
4.33%
CHESAPEAKE ENERGY
4.14%
COTERRA ENERGY
4.10%
TEXAS PACIFIC LAND CORP
3.93%
US71424F1057
2.14%
OVINTIV INC
2.11%
ANTERO RESOURCES
1.99%
APA CORPORATION
1.79%
Frequently asked questions about WEEI and IEO

How have the WEEI and IEO ETFs performed in 2026?

As of March 11, 2026, WEEI is up 14.42% year-to-date (YTD), while IEO has returned 30.81%. 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 +$11M in flows, compared to +$26M for IEO.

Which ETF is more volatile: WEEI or IEO?

Over the past year, WEEI had a volatility of 21.24%, while IEO experienced 30.65%.

Which ETF is bigger: WEEI or IEO?

As of March 11, 2026, WEEI holds $49.98 M in assets under management (AUM), while IEO manages $566.43 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, EOG RESOURCES and PHILLIPS 66.

Which ETF is more diversified: WEEI or IEO?

WEEI holds 22 securities with 88.01% of its assets in the top 15. IEO has 47 securities and a top 15 weight of 82.79%.

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