USMCvsIWLETF Comparison
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Principal U.S. Mega-Cap ETF (USMC) and iShares Russell Top 200 ETF (IWL) belong to the same industry segment: US Large Cap. Both ETFs have the same top 3 sector exposures: Technology, Finance and Consumer Non-Cyclicals. USMC is less expensive with a Total Expense Ratio (TER) of 0.12%, versus 0.15% for IWL. USMC is up 11.91% year-to-date (YTD) with +$1.50B in YTD flows. IWL performs worse with 11.81% YTD performance, and -$44M in YTD flows. Run a side-by-side ETF comparison of USMC and IWL 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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USMC vs IWL performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | USMC IWL | +0.27%-0.46% | +5.29%+4.03% | +11.91%+11.81% | +14.61%+17.26% | +75.74%+80.49% | +95.92%+87.98% |
| Flows | USMC IWL | +$1.40B-$38M | +$1.50B-$29M | +$1.50B-$44M | +$1.11B+$73M | +$2.08B+$394M | +$1.44B+$305M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | USMC IWL | +10.89%+12.75% | +12.28%+13.45% | +14.81%+15.57% | +16.54%+17.50% |
| Max drawdown | USMC IWL | -3.18%-4.11% | -10.32%-9.79% | -19.07%-19.22% | -24.11%-25.69% |
| Max drawdown duration | USMC IWL | 16d16d | 169d92d | 139d126d | 542d707d |
Trading data
USMC | IWL | |
Last sale 9/11/2026 at 1:30 PM | $76.29 | $189.95 |
| Previous close 09/10/2026 | $75.73 | $188.26 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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USMC
is actively managed and doesn’t replicate an indexUSMC | IWL | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/11/2026 at 1:30 PM
Live
Closed
USMC | IWL | |
|---|---|---|
| Last price | $76.29 | $189.95 |
| 1D performance | +0.74% | +0.90% |
| AuM | $5.09 B | $2.21 B |
| E/R | 0.12% | 0.15% |
Characteristics
USMC | IWL | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Principal Global Investors | iShares |
| Benchmark | - | Russell Top 200 Index |
| N° of holdings | 27 | 201 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 11, 2017 | September 22, 2009 |
| ESG | No | No |
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Exposure
Countries
USMC
USA
99.89%
Other
0.11%
IWL
USA
97.92%
Other
2.08%
Sectors
USMC
Technology
43.75%
Finance
20.97%
Consumer Non-Cycl.
12.03%
Healthcare
9.16%
Other
14.09%
IWL
Technology
49.06%
Finance
12.85%
Consumer Non-Cycl.
9.39%
Healthcare
8.75%
Industrials
7.1%
Other
12.85%
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Diversification
USMC
Total weight of top 15 holdings out of 15
72.61%
IWL
Total weight of top 15 holdings out of 15
50.35%
Top 15 holdings
Data as of July 31, 2026
USMC
Apple, Inc.
7.68%
NVIDIA Corp.
7.38%
Micron Technology, Inc.
6.66%
Alphabet, Inc.
5.44%
Microsoft Corp.
5.22%
Broadcom Inc.
4.92%
JPMorgan Chase & Co.
4.74%
Visa, Inc.
4.64%
Mastercard, Inc.
4.53%
Bank of America Corp.
3.89%
Costco Wholesale Corp.
3.83%
Amazon.com, Inc.
3.57%
AbbVie, Inc.
3.48%
Meta Platforms, Inc.
3.37%
GE Aerospace
3.26%
IWL
Apple, Inc.
8.77%
NVIDIA Corp.
8.28%
Microsoft Corp.
6.10%
Amazon.com, Inc.
4.16%
Alphabet, Inc.
3.54%
Broadcom Inc.
3.28%
Alphabet, Inc.
2.89%
Meta Platforms, Inc.
2.16%
Micron Technology, Inc.
1.79%
Berkshire Hathaway, Inc.
1.73%
JPMorgan Chase & Co.
1.71%
Eli Lilly & Co.
1.68%
Tesla, Inc.
1.64%
Advanced Micro Devices, Inc.
1.44%
ExxonMobil Holdings Corp.
1.19%
Frequently asked questions about USMC and IWL
How have the USMC and IWL ETFs performed in 2026?
As of September 11, 2026, USMC is up 11.91% year-to-date (YTD), while IWL has returned 11.81%. That puts USMC better performer ahead so far this year.
Which ETF is attracting more investor money: USMC or IWL?
Year-to-date, the USMC ETF saw +$1.50B in flows, compared to -$44M for IWL.
Which ETF is more volatile: USMC or IWL?
Over the past year, USMC had a volatility of 12.28%, while IWL experienced 13.45%.
Which ETF is bigger: USMC or IWL?
As of September 11, 2026, USMC holds $5.09 B in assets under management (AUM), while IWL manages $2.21 B.
What sectors do the USMC and IWL ETFs invest in?
USMC leans toward sectors like Technology, Finance and Consumer Non-Cyclicals. Meanwhile, IWL focuses on Technology, Finance and Consumer Non-Cyclicals.
What are the top holdings of the USMC ETF and IWL ETF?
USMC top holdings include Apple, Inc., NVIDIA Corp. and Micron Technology, Inc.. IWL holds in its top three: Apple, Inc., NVIDIA Corp. and Microsoft Corp..
Which ETF is more diversified: USMC or IWL?
USMC holds 27 securities with 72.61% of its assets in the top 15. IWL has 202 securities and a top 15 weight of 50.35%.
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