IOOvsUSMCETF Comparison
VS
iShares Global 100 ETF (IOO) belongs to the Global Large Cap segment. Principal U.S. Mega-Cap ETF (USMC) is part of the US Large Cap segment. IOO's top 3 sector exposures are Technology, Consumer Non-Cyclicals and Finance. In contrast, USMC's top sector exposures are Technology, Finance and Consumer Non-Cyclicals. IOO is more expensive with a Total Expense Ratio (TER) of 0.4%, versus 0.12% for USMC. IOO is up 14.67% year-to-date (YTD) with +$147M in YTD flows. USMC performs worse with 12.49% YTD performance, and +$1.47B in YTD flows. Run a side-by-side ETF comparison of IOO 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.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
IOO vs USMC performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IOO USMC | -0.14%-0.29% | +5.18%+4.07% | +14.67%+12.49% | +16.87%+11.29% | +110.45%+92.83% | +106.73%+92.95% |
| Flows | IOO USMC | +$94M-$11M | +$160M+$1.39B | +$147M+$1.47B | +$361M+$1.44B | +$787M+$1.76B | +$1.45B+$1.38B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IOO USMC | +11.84%+11.24% | +14.36%+12.28% | +16.06%+14.75% | +17.21%+16.53% |
| Max drawdown | IOO USMC | -2.95%-3.80% | -9.86%-10.32% | -19.16%-19.07% | -23.35%-24.11% |
| Max drawdown duration | IOO USMC | 57d20d | 76d169d | 107d139d | 554d542d |
Trading data
IOO | USMC | |
Last sale 10/28/2026 at 1:30 PM | $144.99 | $76.96 |
| Previous close 10/27/2026 | $144.58 | $76.54 |
| Consolidated volume 10/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
Create an account to view replication metrics
Join for free
USMC
is actively managed and doesn’t replicate an indexIOO | USMC | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 10/28/2026 at 1:30 PM
Live
Closed
IOO | USMC | |
|---|---|---|
| Last price | $144.99 | $76.96 |
| 1D performance | +0.28% | +0.54% |
| AuM | $9.28 B | $5.09 B |
| E/R | 0.4% | 0.12% |
Characteristics
IOO | USMC | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Principal Global Investors |
| Benchmark | S&P Global 100 Index | - |
| N° of holdings | 101 | 27 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 5, 2000 | October 11, 2017 |
| ESG | No | No |
Exposure
Countries
IOO
USA
78.67%
Other
21.33%
USMC
USA
99.93%
Other
0.07%
Sectors
IOO
Technology
55.87%
Consumer Non-Cycl.
11.65%
Finance
10.19%
Healthcare
9%
Other
13.29%
USMC
Technology
44.66%
Finance
20.6%
Consumer Non-Cycl.
11.75%
Healthcare
9.06%
Other
13.93%
Advertisement
Diversification
IOO
Total weight of top 15 holdings out of 15
65.67%
USMC
Total weight of top 15 holdings out of 15
73.02%
Top 15 holdings
Data as of August 31, 2026
IOO
NVIDIA Corp.
12.85%
Apple, Inc.
11.18%
Microsoft Corp.
9.05%
Amazon.com, Inc.
6.11%
Alphabet, Inc.
4.78%
Broadcom Inc.
4.21%
Alphabet, Inc.
3.81%
JPMorgan Chase & Co.
2.28%
Samsung Electronics Co., Ltd.
2.24%
Eli Lilly & Co.
2.20%
ExxonMobil Holdings Corp.
1.60%
ASML Holding NV
1.57%
Johnson & Johnson
1.54%
Mastercard, Inc.
1.14%
Walmart, Inc.
1.10%
USMC
NVIDIA Corp.
8.37%
Apple, Inc.
7.03%
Micron Technology, Inc.
6.91%
Microsoft Corp.
5.67%
Alphabet, Inc.
5.38%
Visa, Inc.
4.67%
JPMorgan Chase & Co.
4.64%
Broadcom Inc.
4.57%
Mastercard, Inc.
4.51%
Amazon.com, Inc.
3.77%
Bank of America Corp.
3.74%
Costco Wholesale Corp.
3.64%
Meta Platforms, Inc.
3.46%
AbbVie, Inc.
3.39%
Netflix, Inc.
3.27%
Frequently asked questions about IOO and USMC
How have the IOO and USMC ETFs performed in 2026?
As of October 27, 2026, IOO is up 14.67% year-to-date (YTD), while USMC has returned 12.49%. That puts IOO better performer ahead so far this year.
Which ETF is attracting more investor money: IOO or USMC?
Year-to-date, the IOO ETF saw +$147M in flows, compared to +$1.47B for USMC.
Which ETF is more volatile: IOO or USMC?
Over the past year, IOO had a volatility of 14.36%, while USMC experienced 12.28%.
Which ETF is bigger: IOO or USMC?
As of October 27, 2026, IOO holds $9.28 B in assets under management (AUM), while USMC manages $5.09 B.
What sectors do the IOO and USMC ETFs invest in?
IOO leans toward sectors like Technology, Consumer Non-Cyclicals and Finance. Meanwhile, USMC focuses on Technology, Finance and Consumer Non-Cyclicals.
What are the top holdings of the IOO ETF and USMC ETF?
IOO top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. USMC holds in its top three: NVIDIA Corp., Apple, Inc. and Micron Technology, Inc..
Which ETF is more diversified: IOO or USMC?
IOO holds 103 securities with 65.67% of its assets in the top 15. USMC has 27 securities and a top 15 weight of 73.02%.
Advertisement
Latest news about IOO & USMC
3 ETFs that Beat the S&P 500 in 2024
December 24, 2024
USMC
Forget Diversification - The Latest ETF Industry Trend is Concentration
November 6, 2024
USMC
Three Things You Need to Know Before Investing in an Active ETF
September 5, 2024
USMC
Global Equity Investing: ETF Alternatives to Vanguard's VT
May 24, 2023
IOO
Advertisement
Advertisement
