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IDUvsXLUIETF Comparison

ETF 1

IDU

iShares U.S. Utilities ETF

This fund is part of

US Utilities

+1.06%

Full IDU fund page

VS

ETF 2

XLUI

State Street Utilities Select Sector SPDR Premium Income Fund

This fund is part of

Options Strategies

+0.4%

Full XLUI fund page

iShares U.S. Utilities ETF (IDU) belongs to the US Utilities segment. State Street Utilities Select Sector SPDR Premium Income Fund (XLUI) is part of the Options Strategies segment. IDU's top 3 sector exposures are Utilities and Industrials. In contrast, XLUI's top sector exposures are Utilities IDU is more expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.35% for XLUI. IDU is up 4.53% year-to-date (YTD) with -$295M in YTD flows. XLUI performs better with 6.93% YTD performance, and +$14M in YTD flows. Run a side-by-side ETF comparison of IDU and XLUI 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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IDU vs XLUI performance and flow charts

Performance

Cumulative Flows

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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.	IDU XLUI	-1.24%-0.37%	-3.81%-0.03%	+4.53%+6.93%	+9.48%n/a	+47.52%n/a	+54.93%n/a
Flows	IDU XLUI	+$29M+$3M	+$7M+$10M	-$295M+$14M	-$177M-	+$86M-	+$237M-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IDU XLUI	+17.48%+15.49%	+13.99%n/a	+15.47%n/a	+16.61%n/a
Max drawdown	IDU XLUI	-8.43%-6.25%	-9.16%n/a	-16.72%n/a	-24.11%n/a
Max drawdown duration	IDU XLUI	64d64d	103dn/a	247dn/a	610dn/a

Trading data

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	IDU	XLUI
Last sale 6/12/2026 at 1:30 PM	$112.58	$24.10
Previous close 06/11/2026	$111.38	$23.88
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

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XLUI

is actively managed and doesn’t replicate an index

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	IDU	XLUI
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

	IDU	XLUI
Last price	$112.58	$24.10
1D performance	+1.08%	+0.90%
AuM	$1.42 B	$18.79 M
E/R	0.38%	0.35%

Characteristics

	IDU	XLUI
Management strategy	Passive	Active
Provider	iShares	State Street Investment Management
Benchmark	Russell 1000 Utilities RIC 22.5/45 Capped Index	-
N° of holdings	42	31
Asset class	Equities	-
Trailing 12m distribution yield	Join	Join
Inception date	June 12, 2000	July 30, 2025
ESG	No	No

More IDU data on Trackinsight

More XLUI data on Trackinsight

Exposure

Countries

IDU

USA

99.69%

Other

0.31%

XLUI

USA

99.72%

Other

0.28%

Sectors

IDU

Utilities

89.63%

Industrials

8.9%

Other

1.46%

XLUI

Utilities

99.72%

Other

0.28%

Diversification

IDU

Total weight of top 15 holdings out of 15

66.45%

XLUI

Total weight of top 15 holdings out of 15

72.63%

Top 15 holdings

Data as of April 30, 2026

IDU

NEXTERA ENERGY

12.22%

SOUTHERN

6.38%

DUKE ENERGY

6.03%

CONSTELLATION ENERGY CORP

5.84%

WASTE MANAGEMENT

5.15%

AMERICAN ELECTRIC POWER

4.39%

SEMPRA ENERGY

3.71%

DOMINION ENERGY

3.29%

VISTRA CORP

3.20%

ENTERGY

3.15%

XCEL ENERGY

2.94%

EXELON CORP

2.78%

REPUBLIC SVCS

2.54%

PUBLIC SRVCE ENT

2.44%

CONSOLIDATED EDISON

2.40%

XLUI

NEXTERA ENERGY

14.03%

SOUTHERN

7.33%

DUKE ENERGY

6.93%

CONSTELLATION ENERGY CORP

6.71%

AMERICAN ELECTRIC POWER

5.10%

SEMPRA ENERGY

4.27%

DOMINION ENERGY

3.79%

ENTERGY

3.65%

VISTRA CORP

3.46%

XCEL ENERGY

3.38%

EXELON CORP

3.24%

PUBLIC SRVCE ENT

2.81%

CONSOLIDATED EDISON

2.77%

WEC ENERGY GROUP INC

2.64%

PG&E

2.51%

Frequently asked questions about IDU and XLUI

How have the IDU and XLUI ETFs performed in 2026?

As of June 12, 2026, IDU is up 4.53% year-to-date (YTD), while XLUI has returned 6.93%. That puts XLUI better performer ahead so far this year.

Which ETF is attracting more investor money: IDU or XLUI?

Year-to-date, the IDU ETF saw -$295M in flows, compared to +$14M for XLUI.

Which ETF is bigger: IDU or XLUI?

As of June 12, 2026, IDU holds $1.42 B in assets under management (AUM), while XLUI manages $18.79 M.

What sectors do the IDU and XLUI ETFs invest in?

IDU leans toward sectors like Utilities and Industrials. Meanwhile, XLUI focuses on Utilities.

What are the top holdings of the IDU ETF and XLUI ETF?

IDU top holdings include NEXTERA ENERGY, SOUTHERN and DUKE ENERGY. XLUI holds in its top three: NEXTERA ENERGY, SOUTHERN and DUKE ENERGY.

Which ETF is more diversified: IDU or XLUI?

IDU holds 45 securities with 66.45% of its assets in the top 15. XLUI has 31 securities and a top 15 weight of 72.63%.

Utilities Sector: From Laggard to Leader Amidst Expected Rate Cuts

May 14, 2024

IDU

Sector ETFs that could outperform during a recession

July 14, 2022

IDU

IDUvsXLUIETF Comparison

iShares U.S. Utilities ETF

State Street Utilities Select Sector SPDR Premium Income Fund

IDU vs XLUI 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 IDU and XLUI ETFs performed in 2026?

As of June 12, 2026, IDU is up 4.53% year-to-date (YTD), while XLUI has returned 6.93%. That puts XLUI better performer ahead so far this year.

Which ETF is attracting more investor money: IDU or XLUI?

Year-to-date, the IDU ETF saw -$295M in flows, compared to +$14M for XLUI.

Which ETF is bigger: IDU or XLUI?

As of June 12, 2026, IDU holds $1.42 B in assets under management (AUM), while XLUI manages $18.79 M.

What sectors do the IDU and XLUI ETFs invest in?

IDU leans toward sectors like Utilities and Industrials. Meanwhile, XLUI focuses on Utilities.

What are the top holdings of the IDU ETF and XLUI ETF?

IDU top holdings include NEXTERA ENERGY, SOUTHERN and DUKE ENERGY. XLUI holds in its top three: NEXTERA ENERGY, SOUTHERN and DUKE ENERGY.

Which ETF is more diversified: IDU or XLUI?

IDU holds 45 securities with 66.45% of its assets in the top 15. XLUI has 31 securities and a top 15 weight of 72.63%.

Utilities Sector: From Laggard to Leader Amidst Expected Rate Cuts

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