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TOPTvsIUSGETF Comparison

ETF 1
TOPT

iShares Top 20 U.S. Stocks ETF

This fund is part of
US Large Cap
-0.07%
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
+0.03%
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. TOPT's top 3 sector exposures are Information Technology, Communication Services and Health Care. In contrast, IUSG's top sector exposures are 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 down -3.58% year-to-date (YTD) with +$38M in YTD flows. IUSG performs better with -2.19% YTD performance, and +$1.52B 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

-3.0-2.0-1.00.01.0%Feb 11Feb 13Feb 18Feb 20Feb 25Feb 27Mar 3Mar 5Mar 9Mar 11

Cumulative Flows

0 M100 M200 M300 M400 MFeb 11Feb 13Feb 18Feb 20Feb 25Feb 27Mar 3Mar 5Mar 9Mar 11

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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 03/11/2026
1M3MYTD1Y3Y5Y
Perf.
TOPT
IUSG
-1.57%-1.39%
-3.86%-3.07%
-3.58%-2.19%
+27.60%+29.73%
n/a+102.94%
n/a+89.98%
Flows
TOPT
IUSG
+$8M+$427M
+$46M+$1.61B
+$38M+$1.52B
+$270M+$2.48B
-+$3.62B
-+$5.68B
Volatility and drawdown
3M1Y3Y5Y
Volatility
TOPT
IUSG
+13.05%+16.23%
+21.10%+22.15%
n/a+18.43%
n/a+20.91%
Max drawdown
TOPT
IUSG
-5.80%-5.83%
-14.66%-15.08%
n/a-22.25%
n/a-32.26%
Max drawdown duration
TOPT
IUSG
76d42d
45d45d
n/a151d
n/a793d
Trading data

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TOPT
IUSG
Last sale
3/11/2026 at 1:30 PM
$30.12
$164.20
Previous close
03/11/2026
$30.11
$164.11
Consolidated volume
03/11/2026
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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TOPT
IUSG
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
Main metrics
Last update 3/11/2026 at 1:30 PM
Live
Closed
TOPT
IUSG
Last price
$30.12
$164.20
1D performance
+0.03%
+0.05%
AuM$486.14 M$27.24 B
E/R0.2%0.04%
Characteristics
TOPT
IUSG
Management strategyPassivePassive
ProvideriSharesiShares
BenchmarkS&P 500 Top 20 Select IndexS&P 900 Growth
N° of holdings21359
Asset class-Equities
Trailing 12m distribution yield
Join
Join
Inception dateOctober 23, 2024July 24, 2000
ESGNoNo
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Exposure

Countries

TOPT
USA
99.97%
Other
0.03%
IUSG
USA
98.51%
Other
1.49%

Sectors

TOPT
Information Techn.
51.51%
Communication Ser.
13.57%
Health Care
9.12%
Consumer Discreti.
8.94%
Financials
8.76%
Other
8.1%
IUSG
Information Techn.
46.75%
Communication Ser.
16.77%
Consumer Discreti.
9.62%
Financials
7.63%
Other
19.22%
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Diversification

TOPT

Total weight of top 15 holdings out of 15

87%
IUSG

Total weight of top 15 holdings out of 15

65.69%

Top 15 holdings

Data as of January 31, 2026
TOPT
NVIDIA
16.30%
APPLE
13.30%
MICROSOFT-T
11.23%
META PLATFORMS
5.17%
AMAZON.COM INC
4.74%
BERKSHIRE HATHWAY
4.42%
JPMORGAN CHASE
4.34%
LILLY
4.24%
TESLA
4.20%
ALPHABET INC-CL
3.65%
BROADCOM LIMITED
3.64%
EXXON
3.08%
ALPHABET INC-CL
2.92%
VISA INCORPORATION
2.91%
JOHNSON&JOHNSON
2.85%
IUSG
NVIDIA
13.97%
MICROSOFT-T
9.62%
ALPHABET INC-CL
5.88%
APPLE
5.70%
META PLATFORMS
4.80%
ALPHABET INC-CL
4.70%
BROADCOM LIMITED
4.66%
AMAZON.COM INC
3.72%
BERKSHIRE HATHWAY
2.61%
LILLY
2.43%
TESLA
2.17%
JPMORGAN CHASE
1.69%
MICRON TECHNOLOGY
1.46%
ADVANCED MICRO DEVICES
1.23%
NETFLIX
1.05%
Frequently asked questions about TOPT and IUSG

How have the TOPT and IUSG ETFs performed in 2026?

As of March 11, 2026, TOPT is down -3.58% year-to-date (YTD), while IUSG has lost -2.19%. 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 +$38M in flows, compared to +$1.52B for IUSG.

Which ETF is more volatile: TOPT or IUSG?

Over the past year, TOPT had a volatility of 21.1%, while IUSG experienced 22.15%.

Which ETF is bigger: TOPT or IUSG?

As of March 11, 2026, TOPT holds $486.14 M in assets under management (AUM), while IUSG manages $27.24 B.

What sectors do the TOPT and IUSG ETFs invest in?

TOPT leans toward sectors like Information Technology, Communication Services and Health Care. 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 MICROSOFT-T. 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% of its assets in the top 15. IUSG has 377 securities and a top 15 weight of 65.69%.

Latest news about TOPT & IUSG
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