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LCTUvsIWBETF Comparison

ETF 1

LCTU

BlackRock U.S. Carbon Transition Readiness ETF

Full LCTU fund page

VS

ETF 2

IWB

iShares Russell 1000 ETF

This fund is part of

US Large Cap

-0.42%

Full IWB fund page

BlackRock U.S. Carbon Transition Readiness ETF (LCTU) belongs to the segment. iShares Russell 1000 ETF (IWB) is part of the US Large Cap segment. Both ETFs have the same top 3 sector exposures: Information Technology, Financials and Consumer Discretionary. LCTU is more expensive with a Total Expense Ratio (TER) of 0.3%, versus 0.15% for IWB. LCTU is up 3.64% year-to-date (YTD) with -$27M in YTD flows. IWB performs better with 5.02% YTD performance, and -$2.27B in YTD flows. Run a side-by-side ETF comparison of LCTU and IWB 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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LCTU vs IWB 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 04/27/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	LCTU IWB	+11.98%+12.40%	+2.09%+2.84%	+3.64%+5.02%	+29.43%+30.61%	+75.35%+79.32%	+72.86%+76.23%
Flows	LCTU IWB	-$2M-$901M	-$33M-$1.86B	-$27M-$2.27B	-$15M-$2.37B	-$685M-$2.76B	-$534M-$1.91B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	LCTU IWB	+15.60%+15.61%	+12.80%+12.66%	+15.21%+15.12%	+17.31%+17.24%
Max drawdown	LCTU IWB	-9.07%-8.86%	-9.37%-8.86%	-19.80%-19.16%	-25.94%-25.17%
Max drawdown duration	LCTU IWB	77d76d	93d76d	127d126d	744d709d

Trading data

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	LCTU	IWB
Last sale 4/29/2026 at 1:30 PM	$76.02	$388.87
Previous close 04/28/2026	$76.18	$389.07
Consolidated volume 04/28/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of March 31, 2026

1-year trailing difference

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LCTU

is actively managed and doesn’t replicate an index

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	LCTU	IWB
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 4/29/2026 at 1:30 PM

Live

Closed

	LCTU	IWB
Last price	$76.02	$388.87
1D performance	-0.22%	-0.05%
AuM	$1.44 B	$46.06 B
E/R	0.3%	0.15%

Characteristics

	LCTU	IWB
Management strategy	Active	Passive
Provider	iShares	iShares
Benchmark	-	Russell 1000 Index
N° of holdings	288	911
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	April 8, 2021	May 15, 2000
ESG	Yes	No

More LCTU data on Trackinsight

More IWB data on Trackinsight

Exposure

Countries

LCTU

USA

96.34%

Other

3.66%

IWB

USA

96.58%

Other

3.42%

Sectors

LCTU

Information Techn.

32.54%

Financials

11.03%

Consumer Discreti.

10.13%

Health Care

9.61%

Communication Ser.

9.56%

Industrials

8.48%

Other

18.65%

IWB

Information Techn.

32.18%

Financials

10.63%

Consumer Discreti.

10.06%

Communication Ser.

9.9%

Health Care

9.46%

Industrials

8.89%

Other

18.89%

Diversification

LCTU

Total weight of top 15 holdings out of 15

39.16%

IWB

Total weight of top 15 holdings out of 15

39.26%

Top 15 holdings

Data as of March 31, 2026

LCTU

NVIDIA

7.31%

APPLE

7.12%

MICROSOFT-T

3.65%

AMAZON.COM INC

2.78%

ALPHABET INC-CL

2.47%

META PLATFORMS

2.35%

BROADCOM LIMITED

2.19%

ALPHABET INC-CL

1.94%

TESLA

1.80%

BERKSHIRE HATHWAY

1.46%

JPMORGAN CHASE

1.28%

BK OF AMERICA CO

1.25%

LILLY

1.23%

RAYTHEON TECHNOLOGIES CORPORD

1.22%

ECOLAB

1.10%

IWB

NVIDIA

6.82%

APPLE

6.11%

MICROSOFT-T

4.59%

AMAZON.COM INC

3.34%

ALPHABET INC-CL

2.79%

BROADCOM LIMITED

2.39%

ALPHABET INC-CL

2.27%

META PLATFORMS

2.09%

TESLA

1.75%

BERKSHIRE HATHWAY

1.48%

JPMORGAN CHASE

1.33%

LILLY

1.23%

EXXON

1.20%

JOHNSON&JOHNSON

0.98%

WALMART INC

0.90%

Frequently asked questions about LCTU and IWB

How have the LCTU and IWB ETFs performed in 2026?

As of April 27, 2026, LCTU is up 3.64% year-to-date (YTD), while IWB has returned 5.02%. That puts IWB better performer ahead so far this year.

Which ETF is attracting more investor money: LCTU or IWB?

Year-to-date, the LCTU ETF saw -$27M in flows, compared to -$2.27B for IWB.

Which ETF is more volatile: LCTU or IWB?

Over the past year, LCTU had a volatility of 12.8%, while IWB experienced 12.66%.

Which ETF is bigger: LCTU or IWB?

As of April 27, 2026, LCTU holds $1.44 B in assets under management (AUM), while IWB manages $46.06 B.

What sectors do the LCTU and IWB ETFs invest in?

LCTU leans toward sectors like Information Technology, Financials and Consumer Discretionary. Meanwhile, IWB focuses on Information Technology, Financials and Consumer Discretionary.

LCTUvsIWBETF Comparison

BlackRock U.S. Carbon Transition Readiness ETF

iShares Russell 1000 ETF

LCTU vs IWB 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 LCTU and IWB ETFs performed in 2026?

As of April 27, 2026, LCTU is up 3.64% year-to-date (YTD), while IWB has returned 5.02%. That puts IWB better performer ahead so far this year.

Which ETF is attracting more investor money: LCTU or IWB?

Year-to-date, the LCTU ETF saw -$27M in flows, compared to -$2.27B for IWB.

Which ETF is more volatile: LCTU or IWB?

Over the past year, LCTU had a volatility of 12.8%, while IWB experienced 12.66%.

Which ETF is bigger: LCTU or IWB?

As of April 27, 2026, LCTU holds $1.44 B in assets under management (AUM), while IWB manages $46.06 B.

What sectors do the LCTU and IWB ETFs invest in?

LCTU leans toward sectors like Information Technology, Financials and Consumer Discretionary. Meanwhile, IWB focuses on Information Technology, Financials and Consumer Discretionary.

What are the top holdings of the LCTU ETF and IWB ETF?

LCTU top holdings include NVIDIA, APPLE and MICROSOFT-T. IWB holds in its top three: NVIDIA, APPLE and MICROSOFT-T.

Which ETF is more diversified: LCTU or IWB?

LCTU holds 308 securities with 39.16% of its assets in the top 15. IWB has 1006 securities and a top 15 weight of 39.26%.

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