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TOPTvsIUSGETF Comparison

ETF 1

TOPT

iShares Top 20 U.S. Stocks ETF

This fund is part of

US Large Cap

-1.65%

Full TOPT fund page

VS

ETF 2

IUSG

iShares Core S&P U.S. Growth ETF

This fund is part of

US Large Cap Growth

-2.06%

Full IUSG fund page

iShares Top 20 U.S. Stocks ETF (TOPT) belongs to the US Large Cap segment. iShares Core S&P U.S. Growth ETF (IUSG) is part of the US Large Cap Growth segment. Both ETFs have the same top 3 sector exposures: Information Technology, Communication Services and Consumer Discretionary. TOPT is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.04% for IUSG. TOPT is up 3.71% year-to-date (YTD) with +$142M in YTD flows. IUSG performs better with 7.32% YTD performance, and +$2.21B in YTD flows. Run a side-by-side ETF comparison of TOPT and IUSG 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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TOPT vs IUSG 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 06/10/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	TOPT IUSG	-3.53%-3.31%	+7.59%+9.80%	+3.71%+7.32%	+22.79%+24.62%	n/a+93.03%	n/a+92.53%
Flows	TOPT IUSG	+$37M+$37M	+$104M+$743M	+$142M+$2.21B	+$330M+$2.49B	-+$4.12B	-+$6.52B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	TOPT IUSG	+17.57%+21.25%	+14.24%+16.53%	n/a+19.03%	n/a+21.17%
Max drawdown	TOPT IUSG	-8.08%-9.11%	-12.98%-12.98%	n/a-22.25%	n/a-32.26%
Max drawdown duration	TOPT IUSG	30d28d	176d76d	n/a151d	n/a793d

Trading data

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	TOPT	IUSG
Last sale 6/11/2026 at 1:30 PM	$32.83	$184.18
Previous close 06/10/2026	$32.37	$180.04
Consolidated volume 06/10/2026
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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	TOPT	IUSG
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

	TOPT	IUSG
Last price	$32.83	$184.18
1D performance	+1.42%	+2.30%
AuM	$630.49 M	$30.60 B
E/R	0.2%	0.04%

Characteristics

	TOPT	IUSG
Management strategy	Passive	Passive
Provider	iShares	iShares
Benchmark	S&P 500 Top 20 Select Index	S&P 900 Growth
N° of holdings	21	367
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	October 23, 2024	July 24, 2000
ESG	No	No

More TOPT data on Trackinsight

More IUSG data on Trackinsight

Exposure

Countries

TOPT

USA

99.97%

Other

0.03%

IUSG

USA

98.4%

Other

1.6%

Sectors

TOPT

Information Techn.

47.95%

Communication Ser.

19.34%

Consumer Discreti.

9.19%

Financials

7.92%

Health Care

7.72%

Other

7.89%

IUSG

Information Techn.

47.23%

Communication Ser.

16.75%

Consumer Discreti.

9.22%

Financials

7.14%

Other

19.67%

Diversification

TOPT

Total weight of top 15 holdings out of 15

87.19%

IUSG

Total weight of top 15 holdings out of 15

65.64%

Top 15 holdings

Data as of April 30, 2026

TOPT

NVIDIA

16.35%

APPLE

13.43%

ALPHABET INC-CL

7.55%

ALPHABET INC-CL

6.02%

MICROSOFT-T

5.87%

AMAZON.COM INC

5.25%

BROADCOM LIMITED

5.14%

BERKSHIRE HATHWAY

4.01%

TESLA

3.94%

META PLATFORMS

3.93%

JPMORGAN CHASE

3.91%

LILLY

3.43%

EXXON

2.98%

MICRON TECHNOLOGY

2.69%

WALMART INC

2.67%

IUSG

NVIDIA

13.84%

MICROSOFT-T

8.64%

ALPHABET INC-CL

6.39%

APPLE

5.68%

BROADCOM LIMITED

5.65%

ALPHABET INC-CL

5.10%

AMAZON.COM INC

3.92%

META PLATFORMS

3.82%

BERKSHIRE HATHWAY

2.48%

LILLY

2.11%

TESLA

1.90%

MICRON TECHNOLOGY

1.66%

ADVANCED MICRO DEVICES

1.65%

JPMORGAN CHASE

1.64%

CATERPILLAR

1.18%

Frequently asked questions about TOPT and IUSG

How have the TOPT and IUSG ETFs performed in 2026?

As of June 10, 2026, TOPT is up 3.71% year-to-date (YTD), while IUSG has returned 7.32%. That puts IUSG better performer ahead so far this year.

Which ETF is attracting more investor money: TOPT or IUSG?

Year-to-date, the TOPT ETF saw +$142M in flows, compared to +$2.21B for IUSG.

Which ETF is more volatile: TOPT or IUSG?

Over the past year, TOPT had a volatility of 14.24%, while IUSG experienced 16.53%.

Which ETF is bigger: TOPT or IUSG?

As of June 10, 2026, TOPT holds $630.49 M in assets under management (AUM), while IUSG manages $30.60 B.

What sectors do the TOPT and IUSG ETFs invest in?

TOPT leans toward sectors like Information Technology, Communication Services and Consumer Discretionary. Meanwhile, IUSG focuses on Information Technology, Communication Services and Consumer Discretionary.

What are the top holdings of the TOPT ETF and IUSG ETF?

TOPT top holdings include NVIDIA, APPLE and ALPHABET INC-CL. IUSG holds in its top three: NVIDIA, MICROSOFT-T and ALPHABET INC-CL.

Which ETF is more diversified: TOPT or IUSG?

TOPT holds 22 securities with 87.19% of its assets in the top 15. IUSG has 387 securities and a top 15 weight of 65.64%.

Forget Diversification - The Latest ETF Industry Trend is Concentration

November 6, 2024

TOPT

TOPTvsIUSGETF Comparison

iShares Top 20 U.S. Stocks ETF

iShares Core S&P U.S. Growth ETF

TOPT vs IUSG 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 TOPT and IUSG ETFs performed in 2026?

As of June 10, 2026, TOPT is up 3.71% year-to-date (YTD), while IUSG has returned 7.32%. That puts IUSG better performer ahead so far this year.

Which ETF is attracting more investor money: TOPT or IUSG?

Year-to-date, the TOPT ETF saw +$142M in flows, compared to +$2.21B for IUSG.

Which ETF is more volatile: TOPT or IUSG?

Over the past year, TOPT had a volatility of 14.24%, while IUSG experienced 16.53%.

Which ETF is bigger: TOPT or IUSG?

As of June 10, 2026, TOPT holds $630.49 M in assets under management (AUM), while IUSG manages $30.60 B.

What sectors do the TOPT and IUSG ETFs invest in?

TOPT leans toward sectors like Information Technology, Communication Services and Consumer Discretionary. Meanwhile, IUSG focuses on Information Technology, Communication Services and Consumer Discretionary.

What are the top holdings of the TOPT ETF and IUSG ETF?

TOPT top holdings include NVIDIA, APPLE and ALPHABET INC-CL. IUSG holds in its top three: NVIDIA, MICROSOFT-T and ALPHABET INC-CL.

Which ETF is more diversified: TOPT or IUSG?

TOPT holds 22 securities with 87.19% of its assets in the top 15. IUSG has 387 securities and a top 15 weight of 65.64%.

Forget Diversification - The Latest ETF Industry Trend is Concentration

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