BROUGHT TO YOU BY:

ETF Portfolio Builder

New

ETF Portfolio Builder

New

TNGYvsIEOETF Comparison

ETF 1

TNGY

Tortoise Energy ETF

This fund is part of

Multi-Asset: Other

+0.36%

Full TNGY fund page

VS

ETF 2

IEO

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

This fund is part of

US Energy

+0.01%

Full IEO fund page

Tortoise Energy ETF (TNGY) belongs to the Multi-Asset: Other segment. iShares U.S. Oil & Gas Exploration & Production ETF (IEO) is part of the US Energy segment. TNGY's top 3 sector exposures are Energy and Utilities. In contrast, IEO's top sector exposures are Energy TNGY is more expensive with a Total Expense Ratio (TER) of 0.85%, versus 0.38% for IEO. TNGY is up 19.97% year-to-date (YTD) with -$14M in YTD flows. IEO performs better with 38.46% YTD performance, and +$28M in YTD flows. Run a side-by-side ETF comparison of TNGY 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

TNGY 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 05/05/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	TNGY IEO	+3.59%+0.08%	+13.07%+23.12%	+19.97%+38.46%	n/a+52.94%	n/a+63.23%	n/a+172.29%
Flows	TNGY IEO	-$3M-$54M	-$6M+$13M	-$14M+$28M	--$69M	--$246M	--$52M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	TNGY IEO	+16.66%+28.08%	n/a+24.40%	n/a+25.32%	n/a+30.58%
Max drawdown	TNGY IEO	-9.34%-14.30%	n/a-14.30%	n/a-31.40%	n/a-31.40%
Max drawdown duration	TNGY IEO	37d37d	n/a37d	n/a683d	n/a683d

Trading data

Create an account to view trading data

Join for free

	TNGY	IEO
Last sale 5/5/2026 at 1:30 PM	$10.63	$123.06
Previous close 05/05/2026	$10.64	$123.56
Consolidated volume 05/05/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of April 30, 2026

1-year trailing difference

Create an account to view replication metrics

Join for free

TNGY

is actively managed and doesn’t replicate an index

Create an account to view replication quality

Join for free

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

Main metrics

Last update 5/5/2026 at 1:30 PM

Live

Closed

	TNGY	IEO
Last price	$10.63	$123.06
1D performance	-0.09%	-0.40%
AuM	$571.51 M	$596.76 M
E/R	0.85%	0.38%

Characteristics

	TNGY	IEO
Management strategy	Active	Passive
Provider	Tortoise Capital	iShares
Benchmark	-	Dow Jones U.S. Select Oil Exploration & Production Index
N° of holdings	28	40
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	June 16, 2025	May 1, 2006
ESG	No	No

More TNGY data on Trackinsight

More IEO data on Trackinsight

Exposure

Countries

TNGY

USA

99.25%

Other

0.75%

IEO

USA

100.1%

Other

-0.1%

Sectors

TNGY

Energy

86.98%

Utilities

11.27%

Other

1.75%

IEO

Energy

94.46%

Other

5.54%

Diversification

TNGY

Total weight of top 15 holdings out of 15

76.53%

IEO

Total weight of top 15 holdings out of 15

82.94%

Top 15 holdings

Data as of March 31, 2026

TNGY

MPLX COMMON UNITS

7.29%

VALERO ENERGY

7.27%

MARATHON PETROLEUM

7.23%

CONSTELLATION ENERGY CORP

6.76%

EQT

6.62%

CHENIERE ENERGY

6.57%

ENERGY TRANSFER LP UNITS

5.41%

WILLIAMS

5.10%

ONEOK

4.35%

PLAINS GP HOLDINGS

4.11%

TARGA RESOURCS

3.98%

ENTERPRISE PRODUCTS PARTNERS UNT

3.37%

CHEVRON TEXACO

2.87%

ANTERO RESOURCES

2.82%

CHESAPEAKE ENERGY

2.78%

IEO

CONOCOPHILLIPS

19.46%

EOG RESOURCES

9.44%

VALERO ENERGY

9.07%

PHILLIPS 66

7.29%

DIAMONDBACK ENERGY

4.81%

DEVON ENERGY

4.47%

MARATHON PETROLEUM

4.43%

EQT

4.11%

COTERRA ENERGY

3.82%

CHESAPEAKE ENERGY

3.75%

TEXAS PACIFIC LAND CORP

3.72%

OVINTIV INC

2.36%

US71424F1057

2.26%

APA CORPORATION

2.16%

ANTERO RESOURCES

1.78%

Frequently asked questions about TNGY and IEO

How have the TNGY and IEO ETFs performed in 2026?

As of May 5, 2026, TNGY is up 19.97% year-to-date (YTD), while IEO has returned 38.46%. That puts IEO better performer ahead so far this year.

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

Year-to-date, the TNGY ETF saw -$14M in flows, compared to +$28M for IEO.

Which ETF is bigger: TNGY or IEO?

As of May 5, 2026, TNGY holds $571.51 M in assets under management (AUM), while IEO manages $596.76 M.

What sectors do the TNGY and IEO ETFs invest in?

TNGY leans toward sectors like Energy and Utilities. Meanwhile, IEO focuses on Energy.

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

TNGY top holdings include MPLX COMMON UNITS, VALERO ENERGY and MARATHON PETROLEUM. IEO holds in its top three: CONOCOPHILLIPS, EOG RESOURCES and VALERO ENERGY.

Which ETF is more diversified: TNGY or IEO?

TNGY holds 29 securities with 76.53% of its assets in the top 15. IEO has 47 securities and a top 15 weight of 82.94%.

Crude and Natural Gas Markets on the Move

August 12, 2024

IEO

War in the Middle East: ETF Movers & Shakers

May 15, 2024

IEO

TNGYvsIEOETF Comparison

Tortoise Energy ETF

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

TNGY 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 TNGY and IEO ETFs performed in 2026?

As of May 5, 2026, TNGY is up 19.97% year-to-date (YTD), while IEO has returned 38.46%. That puts IEO better performer ahead so far this year.

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

Year-to-date, the TNGY ETF saw -$14M in flows, compared to +$28M for IEO.

Which ETF is bigger: TNGY or IEO?

As of May 5, 2026, TNGY holds $571.51 M in assets under management (AUM), while IEO manages $596.76 M.

What sectors do the TNGY and IEO ETFs invest in?

TNGY leans toward sectors like Energy and Utilities. Meanwhile, IEO focuses on Energy.

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

TNGY top holdings include MPLX COMMON UNITS, VALERO ENERGY and MARATHON PETROLEUM. IEO holds in its top three: CONOCOPHILLIPS, EOG RESOURCES and VALERO ENERGY.

Which ETF is more diversified: TNGY or IEO?

TNGY holds 29 securities with 76.53% of its assets in the top 15. IEO has 47 securities and a top 15 weight of 82.94%.

Crude and Natural Gas Markets on the Move

War in the Middle East: ETF Movers & Shakers

Expert-Built ETF Portfolios, All in One Place