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IWBvsLCTUETF Comparison

ETF 1
IWB

iShares Russell 1000 ETF

This fund is part of
US Large Cap
-1.51%
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, Financials and Communication Services. In contrast, LCTU's top sector exposures are Information Technology, Financials and Consumer Discretionary. IWB is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.3% for LCTU. IWB is down -2.33% year-to-date (YTD) with -$318M in YTD flows. LCTU performs worse with -3.09% YTD performance, and +$26M 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

-2.0-1.00.01.02.0%Feb 12Feb 20Feb 27Mar 6

Cumulative Flows

-600 M-400 M-200 M0 MFeb 12Feb 20Feb 27Mar 6

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Historic performance and flows
Data as of 03/12/2026
1M3MYTD1Y3Y5Y
Perf.
IWB
LCTU
-2.31%-2.22%
-2.16%-3.04%
-2.33%-3.09%
+20.21%+19.38%
+78.51%+75.37%
+73.99%n/a
Flows
IWB
LCTU
-$67M+$13M
-$58M+$30M
-$318M+$26M
+$951M+$31M
-$954M-$593M
+$206M-
Volatility and drawdown
3M1Y3Y5Y
Volatility
IWB
LCTU
+12.16%+12.11%
+18.49%+18.62%
+15.02%+15.11%
+17.14%n/a
Max drawdown
IWB
LCTU
-4.36%-4.86%
-13.95%-14.18%
-19.16%-19.80%
-25.17%n/a
Max drawdown duration
IWB
LCTU
44d59d
45d45d
126d127d
709dn/a
Trading data

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IWB
LCTU
Last sale
3/13/2026 at 1:30 PM
$362.62
$71.25
Previous close
03/12/2026
$364.59
$71.70
Consolidated volume
03/12/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of February 27, 2026
1-year trailing difference

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LCTU
is actively managed and doesn’t replicate an index

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Join for free
IWB
LCTU
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 3/13/2026 at 1:30 PM
Live
Closed
IWB
LCTU
Last price
$362.62
$71.25
1D performance
-0.54%
-0.63%
AuM$44.89 B$1.40 B
E/R0.15%0.3%
Characteristics
IWB
LCTU
Management strategyPassiveActive
ProvideriSharesiShares
BenchmarkRussell 1000 Index-
N° of holdings914282
Asset classEquities-
Trailing 12m distribution yield
Join
Join
Inception dateMay 15, 2000April 8, 2021
ESGNoYes
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Exposure

Countries

IWB
USA
96.57%
Other
3.43%
LCTU
USA
96.23%
Other
3.77%

Sectors

IWB
Information Techn.
33.11%
Financials
10.83%
Communication Ser.
10.58%
Consumer Discreti.
10.55%
Health Care
9.31%
Industrials
8.57%
Other
17.06%
LCTU
Information Techn.
33.13%
Financials
11.19%
Consumer Discreti.
10.5%
Communication Ser.
10.32%
Health Care
9.49%
Industrials
8.22%
Other
17.16%
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Diversification

IWB

Total weight of top 15 holdings out of 15

40.55%
LCTU

Total weight of top 15 holdings out of 15

41.05%

Top 15 holdings

Data as of January 31, 2026
IWB
NVIDIA
7.05%
APPLE
5.89%
MICROSOFT-T
5.03%
AMAZON.COM INC
3.63%
ALPHABET INC-CL
3.08%
META PLATFORMS
2.52%
ALPHABET INC-CL
2.51%
BROADCOM LIMITED
2.39%
TESLA
1.84%
BERKSHIRE HATHWAY
1.38%
JPMORGAN CHASE
1.30%
LILLY
1.28%
EXXON
0.93%
VISA INCORPORATION
0.87%
JOHNSON&JOHNSON
0.86%
LCTU
NVIDIA
7.43%
APPLE
6.69%
MICROSOFT-T
4.11%
AMAZON.COM INC
3.19%
ALPHABET INC-CL
2.84%
META PLATFORMS
2.75%
BROADCOM LIMITED
2.29%
ALPHABET INC-CL
2.26%
TESLA
1.98%
BERKSHIRE HATHWAY
1.47%
LILLY
1.34%
MASTERCARD
1.31%
JPMORGAN CHASE
1.20%
ECOLAB
1.13%
VICI PROPERTIES INC
1.05%
Frequently asked questions about IWB and LCTU

How have the IWB and LCTU ETFs performed in 2026?

As of March 12, 2026, IWB is down -2.33% year-to-date (YTD), while LCTU has lost -3.09%. 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 -$318M in flows, compared to +$26M for LCTU.

Which ETF is more volatile: IWB or LCTU?

Over the past year, IWB had a volatility of 18.49%, while LCTU experienced 18.62%.

Which ETF is bigger: IWB or LCTU?

As of March 12, 2026, IWB holds $44.89 B in assets under management (AUM), while LCTU manages $1.40 B.

What sectors do the IWB and LCTU ETFs invest in?

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

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 1008 securities with 40.55% of its assets in the top 15. LCTU has 302 securities and a top 15 weight of 41.05%.

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