TOPTvsUSMCETF Comparison
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iShares Top 20 U.S. Stocks ETF (TOPT) and Principal U.S. Mega-Cap ETF (USMC) belong to the same industry segment: US Large Cap. TOPT's top 3 sector exposures are Information Technology, Communication Services and Consumer Discretionary. In contrast, USMC's top sector exposures are Information Technology, Communication Services and Financials. TOPT is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.12% for USMC. TOPT is up 3.53% year-to-date (YTD) with +$98M in YTD flows. USMC performs worse with 2.41% YTD performance, and -$63M in YTD flows. Run a side-by-side ETF comparison of TOPT and USMC 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 USMC performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 05/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | TOPT USMC | +11.87%+12.06% | +4.63%+3.24% | +3.53%+2.41% | +33.53%+24.07% | n/a+78.57% | n/a+93.51% |
| Flows | TOPT USMC | +$29M+$88M | +$71M+$27M | +$98M-$63M | +$289M+$12M | -+$547M | --$147M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | TOPT USMC | +17.68%+14.63% | +14.48%+12.23% | n/a+14.83% | n/a+16.45% |
| Max drawdown | TOPT USMC | -10.43%-8.31% | -12.98%-10.32% | n/a-19.07% | n/a-24.11% |
| Max drawdown duration | TOPT USMC | 71d63d | 176d169d | n/a139d | n/a542d |
Trading data
TOPT | USMC | |
Last sale 5/1/2026 at 1:30 PM | $32.30 | $70.55 |
| Previous close 04/29/2026 | $32.09 | $70.40 |
| Consolidated volume 04/29/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of April 30, 2026
1-year trailing difference
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USMC
is actively managed and doesn’t replicate an indexTOPT | USMC | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
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Main metrics
Last update 5/1/2026 at 1:30 PM
Live
Closed
TOPT | USMC | |
|---|---|---|
| Last price | $32.30 | $70.55 |
| 1D performance | +0.65% | +0.21% |
| AuM | $587.40 M | $3.23 B |
| E/R | 0.2% | 0.12% |
Characteristics
TOPT | USMC | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Principal Global Investors |
| Benchmark | S&P 500 Top 20 Select Index | - |
| N° of holdings | 21 | 26 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 23, 2024 | October 11, 2017 |
| ESG | No | No |
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Exposure
Countries
TOPT
USA
99.99%
Other
0.01%
USMC
USA
97.74%
Other
2.26%
Sectors
TOPT
Information Techn.
47.06%
Communication Ser.
17.62%
Consumer Discreti.
8.92%
Health Care
8.82%
Financials
8.66%
Other
8.91%
USMC
Information Techn.
35.59%
Communication Ser.
14.16%
Financials
11.52%
Health Care
9.17%
Consumer Discreti.
8.2%
Consumer Staples
7.71%
Other
13.65%
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Diversification
TOPT
Total weight of top 15 holdings out of 15
86.78%
USMC
Total weight of top 15 holdings out of 15
70.09%
Top 15 holdings
Data as of March 31, 2026
TOPT
NVIDIA
16.01%
APPLE
14.08%
ALPHABET INC-CL
6.33%
MICROSOFT-T
5.98%
ALPHABET INC-CL
5.07%
AMAZON.COM INC
4.62%
BERKSHIRE HATHWAY
4.55%
TESLA
4.30%
BROADCOM LIMITED
4.28%
META PLATFORMS
4.12%
JPMORGAN CHASE
4.11%
LILLY
3.78%
EXXON
3.68%
JOHNSON&JOHNSON
3.05%
WALMART INC
2.82%
USMC
NVIDIA
7.58%
APPLE
6.71%
ALPHABET INC-CL
5.38%
MICROSOFT-T
4.92%
NETFLIX
4.66%
COSTCO WHOLESALE
4.60%
JPMORGAN CHASE
4.57%
BROADCOM LIMITED
4.52%
MASTERCARD
4.50%
VISA INCORPORATION
4.40%
META PLATFORMS
4.11%
AMAZON.COM INC
3.63%
JOHNSON&JOHNSON
3.55%
BK OF AMERICA CO
3.53%
BERKSHIRE HATHWAY
3.43%
Frequently asked questions about TOPT and USMC
How have the TOPT and USMC ETFs performed in 2026?
As of May 1, 2026, TOPT is up 3.53% year-to-date (YTD), while USMC has returned 2.41%. That puts TOPT better performer ahead so far this year.
Which ETF is attracting more investor money: TOPT or USMC?
Year-to-date, the TOPT ETF saw +$98M in flows, compared to -$63M for USMC.
Which ETF is more volatile: TOPT or USMC?
Over the past year, TOPT had a volatility of 14.48%, while USMC experienced 12.23%.
Which ETF is bigger: TOPT or USMC?
As of May 1, 2026, TOPT holds $587.40 M in assets under management (AUM), while USMC manages $3.23 B.
What sectors do the TOPT and USMC ETFs invest in?
TOPT leans toward sectors like Information Technology, Communication Services and Consumer Discretionary. Meanwhile, USMC focuses on Information Technology, Communication Services and Financials.
What are the top holdings of the TOPT ETF and USMC ETF?
TOPT top holdings include NVIDIA, APPLE and ALPHABET INC-CL. USMC holds in its top three: NVIDIA, APPLE and ALPHABET INC-CL.
Which ETF is more diversified: TOPT or USMC?
TOPT holds 22 securities with 86.78% of its assets in the top 15. USMC has 26 securities and a top 15 weight of 70.09%.
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