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IWBvsLCTUETF Comparison

ETF 1

IWB

iShares Russell 1000 ETF

This fund is part of

US Large Cap

+1.96%

Full IWB fund page

VS

ETF 2

LCTU

BlackRock U.S. Carbon Transition Readiness ETF

Full LCTU fund page

iShares Russell 1000 ETF (IWB) belongs to the US Large Cap segment. BlackRock U.S. Carbon Transition Readiness ETF (LCTU) is part of the segment. IWB's top 3 sector exposures are Information Technology, Communication Services and Financials. In contrast, LCTU's top sector exposures are Information Technology, Financials and Communication Services. IWB is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.3% for LCTU. IWB is up 8.43% year-to-date (YTD) with -$2.12B in YTD flows. LCTU performs worse with 5.14% YTD performance, and -$50M in YTD flows. Run a side-by-side ETF comparison of IWB and LCTU 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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IWB vs LCTU 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 06/11/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IWB LCTU	+0.21%-1.31%	+9.28%+6.45%	+8.43%+5.14%	+23.49%+19.64%	+75.80%+69.18%	+79.53%+71.77%
Flows	IWB LCTU	+$120M-$22M	-$1.62B-$76M	-$2.12B-$50M	-$1.29B-$42M	-$2.68B-$710M	-$1.87B-$564M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IWB LCTU	+15.68%+15.47%	+12.57%+12.54%	+15.16%+15.22%	+17.28%+17.32%
Max drawdown	IWB LCTU	-6.21%-6.53%	-8.86%-9.37%	-19.16%-19.80%	-25.17%-25.94%
Max drawdown duration	IWB LCTU	27d29d	76d93d	126d127d	709d744d

Trading data

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	IWB	LCTU
Last sale 6/11/2026 at 1:30 PM	$403.53	$79.04
Previous close 06/11/2026	$396.80	$77.78
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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LCTU

is actively managed and doesn’t replicate an index

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

Main metrics

Last update 6/11/2026 at 1:30 PM

Live

Closed

	IWB	LCTU
Last price	$403.53	$79.04
1D performance	+1.70%	+1.62%
AuM	$47.69 B	$1.44 B
E/R	0.15%	0.3%

Characteristics

	IWB	LCTU
Management strategy	Passive	Active
Provider	iShares	iShares
Benchmark	Russell 1000 Index	-
N° of holdings	908	294
Asset class	Equities	-
Trailing 12m distribution yield	Join	Join
Inception date	May 15, 2000	April 8, 2021
ESG	No	Yes

More IWB data on Trackinsight

More LCTU data on Trackinsight

Exposure

Countries

IWB

USA

96.73%

Other

3.27%

LCTU

USA

96.59%

Other

3.41%

Sectors

IWB

Information Techn.

33.9%

Communication Ser.

10.61%

Financials

10.17%

Consumer Discreti.

10.15%

Industrials

8.67%

Health Care

8.55%

Other

17.96%

LCTU

Information Techn.

34.1%

Financials

10.54%

Communication Ser.

10.2%

Consumer Discreti.

10.04%

Health Care

8.76%

Industrials

8.13%

Other

18.22%

Diversification

IWB

Total weight of top 15 holdings out of 15

40.71%

LCTU

Total weight of top 15 holdings out of 15

40.39%

Top 15 holdings

Data as of April 30, 2026

IWB

NVIDIA

7.09%

APPLE

5.94%

MICROSOFT-T

4.59%

AMAZON.COM INC

3.86%

ALPHABET INC-CL

3.40%

BROADCOM LIMITED

2.93%

ALPHABET INC-CL

2.74%

META PLATFORMS

2.03%

TESLA

1.64%

BERKSHIRE HATHWAY

1.33%

JPMORGAN CHASE

1.29%

LILLY

1.14%

EXXON

0.99%

MICRON TECHNOLOGY

0.88%

WALMART INC

0.87%

LCTU

NVIDIA

7.65%

APPLE

6.83%

MICROSOFT-T

3.59%

AMAZON.COM INC

3.21%

ALPHABET INC-CL

3.02%

BROADCOM LIMITED

2.70%

ALPHABET INC-CL

2.37%

META PLATFORMS

2.30%

TESLA

1.64%

BK OF AMERICA CO

1.34%

BERKSHIRE HATHWAY

1.29%

JPMORGAN CHASE

1.25%

LILLY

1.13%

PROLOGIS REIT

1.04%

ADVANCED MICRO DEVICES

1.04%

Frequently asked questions about IWB and LCTU

How have the IWB and LCTU ETFs performed in 2026?

As of June 11, 2026, IWB is up 8.43% year-to-date (YTD), while LCTU has returned 5.14%. That puts IWB better performer ahead so far this year.

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

Year-to-date, the IWB ETF saw -$2.12B in flows, compared to -$50M for LCTU.

Which ETF is more volatile: IWB or LCTU?

Over the past year, IWB had a volatility of 12.57%, while LCTU experienced 12.54%.

Which ETF is bigger: IWB or LCTU?

As of June 11, 2026, IWB holds $47.69 B in assets under management (AUM), while LCTU manages $1.44 B.

What sectors do the IWB and LCTU ETFs invest in?

IWB leans toward sectors like Information Technology, Communication Services and Financials. Meanwhile, LCTU focuses on Information Technology, Financials and Communication Services.

IWBvsLCTUETF Comparison

iShares Russell 1000 ETF

BlackRock U.S. Carbon Transition Readiness ETF

IWB vs LCTU 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 IWB and LCTU ETFs performed in 2026?

As of June 11, 2026, IWB is up 8.43% year-to-date (YTD), while LCTU has returned 5.14%. That puts IWB better performer ahead so far this year.

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

Year-to-date, the IWB ETF saw -$2.12B in flows, compared to -$50M for LCTU.

Which ETF is more volatile: IWB or LCTU?

Over the past year, IWB had a volatility of 12.57%, while LCTU experienced 12.54%.

Which ETF is bigger: IWB or LCTU?

As of June 11, 2026, IWB holds $47.69 B in assets under management (AUM), while LCTU manages $1.44 B.

What sectors do the IWB and LCTU ETFs invest in?

IWB leans toward sectors like Information Technology, Communication Services and Financials. Meanwhile, LCTU focuses on Information Technology, Financials and Communication Services.

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

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

Which ETF is more diversified: IWB or LCTU?

IWB holds 1005 securities with 40.71% of its assets in the top 15. LCTU has 315 securities and a top 15 weight of 40.39%.

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