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IDUvsNUIFETF Comparison

ETF 1

IDU

iShares U.S. Utilities ETF

This fund is part of

US Utilities

+0.73%

Full IDU fund page

VS

ETF 2

NUIF

Nuveen US Infrastructure ETF

This fund is part of

Infrastructure

+0.89%

Full NUIF fund page

iShares U.S. Utilities ETF (IDU) belongs to the US Utilities segment. Nuveen US Infrastructure ETF (NUIF) is part of the Infrastructure segment. IDU's top 3 sector exposures are Utilities, Business Services and Energy. In contrast, NUIF's top sector exposures are Utilities, Energy and Business Services. IDU is less expensive with a Total Expense Ratio (TER) of 0.37%, versus 0.55% for NUIF. Run a side-by-side ETF comparison of IDU and NUIF 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 NUIF 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 10/27/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IDU NUIF	+9.22%+9.46%	-4.49%-1.04%	+3.11%n/a	-2.64%n/a	+60.62%n/a	+49.54%n/a
Flows	IDU NUIF	-$64M-	+$75M+$4M	-$294M-	-$86M-	+$165M-	+$235M-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IDU NUIF	+14.18%+11.52%	+14.97%n/a	+15.14%n/a	+16.64%n/a
Max drawdown	IDU NUIF	-12.56%-9.98%	-15.29%n/a	-15.29%n/a	-24.11%n/a
Max drawdown duration	IDU NUIF	92d92d	240dn/a	240dn/a	610dn/a

Trading data

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	IDU	NUIF
Last sale 10/28/2026 at 1:30 PM	$108.59	$25.45
Previous close 10/27/2026	$109.84	$25.67
Consolidated volume 10/27/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of September 30, 2026

1-year trailing difference

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NUIF

is actively managed and doesn’t replicate an index

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	IDU	NUIF
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/28/2026 at 1:30 PM

Live

Closed

	IDU	NUIF
Last price	$108.59	$25.45
1D performance	-1.14%	-0.88%
AuM	$1.39 B	$24.91 M
E/R	0.37%	0.55%

Characteristics

	IDU	NUIF
Management strategy	Passive	Active
Provider	iShares	Nuveen
Benchmark	Russell 1000 Utilities RIC 22.5/45 Capped Index	-
N° of holdings	46	40
Asset class	Equities	-
Trailing 12m distribution yield	Join	Join
Inception date	June 12, 2000	June 17, 2026
ESG	No	No

More IDU data on Trackinsight

More NUIF data on Trackinsight

Exposure

Countries

IDU

USA

99.82%

Other

0.18%

NUIF

USA

80.95%

Canada

14.34%

Other

4.71%

Sectors

IDU

Utilities

88.77%

Business Services

9.85%

Other

1.39%

NUIF

Utilities

51.02%

Energy

27.44%

Business Services

8.53%

Industrials

7.28%

Other

5.73%

Diversification

IDU

Total weight of top 15 holdings out of 15

65.83%

NUIF

Total weight of top 15 holdings out of 15

67.85%

Top 15 holdings

Data as of August 31, 2026

IDU

NextEra Energy, Inc.

11.10%

The Southern Co.

6.41%

Duke Energy Corp.

6.03%

Constellation Energy Corp.

5.69%

Waste Management, Inc.

5.26%

American Electric Power Co., Inc.

4.31%

Dominion Energy, Inc.

3.75%

Sempra

3.45%

Entergy Corp.

3.14%

Xcel Energy, Inc.

3.05%

Vistra Corp.

2.98%

Exelon Corp.

2.89%

Republic Services, Inc.

2.84%

Consolidated Edison, Inc.

2.55%

Public Service Enterprise Group, Inc.

2.36%

NUIF

Entergy Corp.

7.42%

American Electric Power Co., Inc.

7.02%

NextEra Energy, Inc.

6.87%

Xcel Energy, Inc.

6.13%

Cheniere Energy, Inc.

5.00%

Alliant Energy Corp.

4.89%

Targa Resources Corp.

4.35%

Enbridge, Inc.

4.19%

The Williams Cos., Inc.

3.97%

Ameren Corp.

3.71%

Waste Management, Inc.

3.64%

Waste Connections, Inc.

2.76%

Evergy, Inc.

2.66%

US30609A1097

2.65%

Kinder Morgan, Inc.

2.58%

Frequently asked questions about IDU and NUIF

Which ETF is bigger: IDU or NUIF?

As of October 27, 2026, IDU holds $1.39 B in assets under management (AUM), while NUIF manages $24.91 M.

What sectors do the IDU and NUIF ETFs invest in?

IDU leans toward sectors like Utilities and Business Services. Meanwhile, NUIF focuses on Utilities, Energy and Business Services.

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

IDU top holdings include NextEra Energy, Inc., The Southern Co. and Duke Energy Corp.. NUIF holds in its top three: Entergy Corp., American Electric Power Co., Inc. and NextEra Energy, Inc..

Which ETF is more diversified: IDU or NUIF?

IDU holds 46 securities with 65.83% of its assets in the top 15. NUIF has 40 securities and a top 15 weight of 67.85%.

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IDU

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IDU

IDUvsNUIFETF Comparison

iShares U.S. Utilities ETF

Nuveen US Infrastructure ETF

IDU vs NUIF 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

Which ETF is bigger: IDU or NUIF?

As of October 27, 2026, IDU holds $1.39 B in assets under management (AUM), while NUIF manages $24.91 M.

What sectors do the IDU and NUIF ETFs invest in?

IDU leans toward sectors like Utilities and Business Services. Meanwhile, NUIF focuses on Utilities, Energy and Business Services.

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

IDU top holdings include NextEra Energy, Inc., The Southern Co. and Duke Energy Corp.. NUIF holds in its top three: Entergy Corp., American Electric Power Co., Inc. and NextEra Energy, Inc..

Which ETF is more diversified: IDU or NUIF?

IDU holds 46 securities with 65.83% of its assets in the top 15. NUIF has 40 securities and a top 15 weight of 67.85%.

Utilities Sector: From Laggard to Leader Amidst Expected Rate Cuts

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