OEFvsUSMCETF Comparison
VS
iShares S&P 100 ETF (OEF) and Principal U.S. Mega-Cap ETF (USMC) belong to the same industry segment: US Large Cap. Both ETFs have the same top 3 sector exposures: Technology, Finance and Consumer Non-Cyclicals. OEF is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.12% for USMC. OEF is up 6.72% year-to-date (YTD) with -$10.28B in YTD flows. USMC performs better with 8.21% YTD performance, and +$86M in YTD flows. Run a side-by-side ETF comparison of OEF 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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OEF vs USMC performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/28/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | OEF USMC | +0.31%+0.06% | +3.65%+6.12% | +6.72%+8.21% | +16.79%+17.20% | +75.70%+68.66% | +90.92%+92.39% |
| Flows | OEF USMC | -$384M+$81M | -$620M+$228M | -$10.28B+$86M | -$4.70B-$257M | +$2.35B+$680M | +$2.58B+$35M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | OEF USMC | +14.22%+11.98% | +13.73%+12.28% | +16.13%+14.84% | +17.90%+16.49% |
| Max drawdown | OEF USMC | -5.41%-4.05% | -10.96%-10.32% | -19.77%-19.07% | -26.44%-24.11% |
| Max drawdown duration | OEF USMC | 57d31d | 169d169d | 126d139d | 696d542d |
Trading data
OEF | USMC | |
Last sale 7/29/2026 at 1:30 PM | $358.34 | $72.56 |
| Previous close 07/28/2026 | $364.22 | $73.79 |
| Consolidated volume 07/28/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
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USMC
is actively managed and doesn’t replicate an indexOEF | USMC | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/29/2026 at 1:30 PM
Live
Closed
OEF | USMC | |
|---|---|---|
| Last price | $358.34 | $72.56 |
| 1D performance | -1.61% | -1.67% |
| AuM | $19.55 B | $3.56 B |
| E/R | 0.2% | 0.12% |
Characteristics
OEF | USMC | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Principal Global Investors |
| Benchmark | S&P 100 Index | - |
| N° of holdings | 101 | 27 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 23, 2000 | October 11, 2017 |
| ESG | No | No |
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Exposure
Countries
OEF
USA
98.96%
Other
1.04%
USMC
USA
99.95%
Other
0.05%
Sectors
OEF
Technology
53.77%
Finance
11.08%
Consumer Non-Cycl.
10.3%
Healthcare
8.67%
Other
16.18%
USMC
Technology
43.88%
Finance
19.56%
Consumer Non-Cycl.
12.28%
Healthcare
9.29%
Other
14.99%
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Diversification
OEF
Total weight of top 15 holdings out of 15
60.12%
USMC
Total weight of top 15 holdings out of 15
71.47%
Top 15 holdings
Data as of June 30, 2026
OEF
NVIDIA Corp.
10.47%
Apple, Inc.
9.18%
Microsoft Corp.
5.99%
Amazon.com, Inc.
5.04%
Alphabet, Inc.
4.53%
Broadcom Inc.
3.86%
Alphabet, Inc.
3.61%
Micron Technology, Inc.
2.81%
Meta Platforms, Inc.
2.67%
Tesla, Inc.
2.56%
Eli Lilly & Co.
2.05%
Advanced Micro Devices, Inc.
2.05%
Berkshire Hathaway, Inc.
1.98%
JPMorgan Chase & Co.
1.90%
Intel Corp.
1.43%
USMC
Micron Technology, Inc.
8.71%
NVIDIA Corp.
7.36%
Apple, Inc.
6.60%
Alphabet, Inc.
5.55%
Broadcom Inc.
4.68%
JPMorgan Chase & Co.
4.49%
Microsoft Corp.
4.36%
Visa, Inc.
4.30%
Mastercard, Inc.
3.95%
Costco Wholesale Corp.
3.86%
Bank of America Corp.
3.69%
Amazon.com, Inc.
3.56%
Meta Platforms, Inc.
3.48%
AbbVie, Inc.
3.46%
GE Aerospace
3.42%
Frequently asked questions about OEF and USMC
How have the OEF and USMC ETFs performed in 2026?
As of July 28, 2026, OEF is up 6.72% year-to-date (YTD), while USMC has returned 8.21%. That puts USMC better performer ahead so far this year.
Which ETF is attracting more investor money: OEF or USMC?
Year-to-date, the OEF ETF saw -$10.28B in flows, compared to +$86M for USMC.
Which ETF is more volatile: OEF or USMC?
Over the past year, OEF had a volatility of 13.73%, while USMC experienced 12.28%.
Which ETF is bigger: OEF or USMC?
As of July 28, 2026, OEF holds $19.55 B in assets under management (AUM), while USMC manages $3.56 B.
What sectors do the OEF and USMC ETFs invest in?
OEF leans toward sectors like Technology, Finance and Consumer Non-Cyclicals. Meanwhile, USMC focuses on Technology, Finance and Consumer Non-Cyclicals.
What are the top holdings of the OEF ETF and USMC ETF?
OEF top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. USMC holds in its top three: Micron Technology, Inc., NVIDIA Corp. and Apple, Inc..
Which ETF is more diversified: OEF or USMC?
OEF holds 103 securities with 60.12% of its assets in the top 15. USMC has 27 securities and a top 15 weight of 71.47%.
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