USMCvsOEFETF Comparison
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Principal U.S. Mega-Cap ETF (USMC) and iShares S&P 100 ETF (OEF) belong to the same industry segment: US Large Cap. USMC's top 3 sector exposures are Information Technology, Communication Services and Financials. In contrast, OEF's top sector exposures are Information Technology, Communication Services and Consumer Discretionary. USMC is less expensive with a Total Expense Ratio (TER) of 0.12%, versus 0.2% for OEF. USMC is up 1.28% year-to-date (YTD) with -$141M in YTD flows. OEF performs better with 3.06% YTD performance, and -$9.66B in YTD flows. Run a side-by-side ETF comparison of USMC and OEF 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 OEF performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/23/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | USMC OEF | +7.05%+10.39% | +2.38%+2.81% | +1.28%+3.06% | +27.34%+34.28% | +78.03%+92.95% | +91.93%+96.80% |
| Flows | USMC OEF | +$9M-$480M | -$53M-$9.83B | -$141M-$9.66B | -$58M-$2.23B | +$469M+$2.96B | -$194M+$3.37B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | USMC OEF | +14.57%+16.43% | +12.41%+13.36% | +14.89%+16.03% | +16.45%+17.79% |
| Max drawdown | USMC OEF | -8.31%-10.49% | -10.32%-10.96% | -19.07%-19.77% | -24.11%-26.44% |
| Max drawdown duration | USMC OEF | 63d71d | 169d169d | 139d126d | 542d696d |
Trading data
USMC | OEF | |
Last sale 4/24/2026 at 1:30 PM | $69.59 | $352.22 |
| Previous close 04/24/2026 | $69.16 | $348.70 |
| Consolidated volume 04/24/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 2026
1-year trailing difference
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USMC
is actively managed and doesn’t replicate an indexUSMC | OEF | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 4/24/2026 at 1:30 PM
Live
Closed
USMC | OEF | |
|---|---|---|
| Last price | $69.59 | $352.22 |
| 1D performance | +0.62% | +1.01% |
| AuM | $3.12 B | $19.52 B |
| E/R | 0.12% | 0.2% |
Characteristics
USMC | OEF | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Principal Global Investors | iShares |
| Benchmark | - | S&P 100 Index |
| N° of holdings | 26 | 97 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 11, 2017 | October 23, 2000 |
| ESG | No | No |
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Exposure
Countries
USMC
USA
97.74%
Other
2.26%
OEF
USA
98.8%
Other
1.2%
Sectors
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%
OEF
Information Techn.
40.48%
Communication Ser.
13.53%
Consumer Discreti.
10.23%
Health Care
9.26%
Financials
8.64%
Other
17.86%
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Diversification
USMC
Total weight of top 15 holdings out of 15
70.09%
OEF
Total weight of top 15 holdings out of 15
58.88%
Top 15 holdings
Data as of March 31, 2026
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%
OEF
NVIDIA
10.50%
APPLE
9.23%
MICROSOFT-T
6.81%
AMAZON.COM INC
5.04%
ALPHABET INC-CL
4.15%
BROADCOM LIMITED
3.64%
ALPHABET INC-CL
3.32%
META PLATFORMS
3.10%
TESLA
2.59%
BERKSHIRE HATHWAY
2.18%
JPMORGAN CHASE
1.96%
LILLY
1.81%
EXXON
1.76%
JOHNSON&JOHNSON
1.46%
WALMART INC
1.35%
Frequently asked questions about USMC and OEF
How have the USMC and OEF ETFs performed in 2026?
As of April 23, 2026, USMC is up 1.28% year-to-date (YTD), while OEF has returned 3.06%. That puts OEF better performer ahead so far this year.
Which ETF is attracting more investor money: USMC or OEF?
Year-to-date, the USMC ETF saw -$141M in flows, compared to -$9.66B for OEF.
Which ETF is more volatile: USMC or OEF?
Over the past year, USMC had a volatility of 12.41%, while OEF experienced 13.36%.
Which ETF is bigger: USMC or OEF?
As of April 23, 2026, USMC holds $3.12 B in assets under management (AUM), while OEF manages $19.52 B.
What sectors do the USMC and OEF ETFs invest in?
USMC leans toward sectors like Information Technology, Communication Services and Financials. Meanwhile, OEF focuses on Information Technology, Communication Services and Consumer Discretionary.
What are the top holdings of the USMC ETF and OEF ETF?
USMC top holdings include NVIDIA, APPLE and ALPHABET INC-CL. OEF holds in its top three: NVIDIA, APPLE and MICROSOFT-T.
Which ETF is more diversified: USMC or OEF?
USMC holds 26 securities with 70.09% of its assets in the top 15. OEF has 102 securities and a top 15 weight of 58.88%.
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