BUI ETF

$24.99

AUM$711M

TER1.07%

Holdings52

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BUI ETF

$24.99

BlackRock Utility Infrastructure & Power Opportunities Trust

AUM$711M

TER1.07%

Holdings52

See how much of BUI you already own

Just $25 once·$99/mo·Download sample

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Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

BUI holds 39.6% of its assets in its 10 largest positions as of Jun 30, 2026. BUI is BlackRock Utility Infrastructure & Power Opportunities Trust.

Showing the top 10 of 54 holdings · as of Jun 30, 2026

Top 10 weight

39.60%

BUI top 10 holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Share chg	Sector	Industry
1	NEE	Nextera Energy IncUtilities · Electric Utilities	6.17%	6.2%	521,110	$45.74M	-	Utilities	Electric Utilities
2	WMB	Williams Cos. Inc.Energy · Oil & Gas	4.17%	10.3%	416,019	$30.93M	+35.7K	Energy	Oil & Gas
Share changes, sector and industry · Pro
3	UNP	Union Pacific Corp	4.11%	14.4%	111,944	$30.45M
4	DUK	Duke Energy Corp	3.96%	18.4%	231,862	$29.35M
5	SO	Southern Co.	3.94%	22.4%	305,008	$29.19M
6	NG	National Grid Plc	3.92%	26.3%	1,764,182	$29.10M
7	—	Tc Energy Corp	3.48%	29.8%	389,642	$25.80M
8	AEP	American Electric Power Co Inc	3.46%	33.2%	187,498	$25.65M
9	TRGP	Targa Resources Corp Preferred	3.25%	36.5%	89,804	$24.08M
10	AENA	Aena Sme Sa	3.14%	39.6%	763,216	$23.26M
More holdings · Pro

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Themes in the top 10

Clean EnergyClimate SolutionsEnergy TransitionInfrastructureEnergy SecurityEnvironmental SolutionsSupply ChainInflation ProtectionMobility as a ServiceConstruction TechUrbanizationSustainable MaterialsManufacturingHydrogen EconomyInterest Rates

BUI ETF Top Holdings

BUI holdings top 10 positions. The top 10 holdings account for 39.6% of the fund, led by Nextera Energy Inc at 6.2%, Williams Cos. Inc. at 4.2%, Union Pacific Corp at 4.1%.

BUI portfolio concentration is moderate, with the top 10 representing 39.6% of total assets. The largest sector exposure is Utilities at 42.2%.

BUI sectors provide a detailed breakdown. BUI overlap shows how holdings compare to other funds in your portfolio.

Compare BUI

BUI vs SPY BUI vs QQQ BUI vs VOO BUI vs VTI BUI vs IVV BUI vs SCHD BUI vs VYM BUI vs VXUS

#	Ticker	Name	Industry	Weight
1	NEE	Nextera Energy Inc	Utilities	6.17%
2	WMB	Williams Cos. Inc.	Energy	4.17%
3	UNP	Union Pacific Corp	Industrials	4.11%
4	DUK	Duke Energy Corp	Utilities	3.96%
5	SO	Southern Co.	Utilities	3.94%
6	NG:LN	National Grid Plc	Unknown	3.92%
7	TRP:CA	Tc Energy Corp	Energy	3.48%
8	AEP	American Electric Power Co Inc	Utilities	3.46%
9	TRGP	Targa Resources Corp Preferred	Energy	3.25%
10	AENA:MA	Aena Sme Sa	Unknown	3.14%

BUI ETF

BUI ETF Top Holdings

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Holdings Distribution