IOO vs OEF
iShares Global 100 ETF against iShares S&P 100 ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
67%
41 shared positions
Fee gap
20 bp
OEF is cheaper
1-year return gap
4.1 pts
IOO is ahead
Larger fund
OEF
$20.8B
Side by side
| IOO | OEF | |
|---|---|---|
| Fund | iShares Global 100 ETF | iShares S&P 100 ETF |
| Issuer | iShares | iShares |
| Category | Global | Large Cap Blend |
| Expense ratio | 0.40% | 0.20% |
| Assets | $9.4B | $20.8B |
| Average daily dollar volume | $25M | $80M |
| Listed | Dec 5, 2000 | Oct 23, 2000 |
| FrenzyCap score | 72 | 79 |
| 1-month return | +2.3% | +3.1% |
| 3-month return | +5.6% | +5.3% |
| Year to date | +15.2% | +13.4% |
| 1-year return | +19.7% | +15.6% |
| 30-day volatility | 11.2% | 10.7% |
| Worst drawdown, 1 year | −9.9% | −11.5% |
| Trailing 12-month yield | 0.80% | 0.84% |
| Holdings | 116 | 105 |
| Top 10 weight | 60.0% | 52.6% |
| Look-through P/E | 26.8 | 27.1 |
| Holdings vs fair value | −1.4% | −1.5% |
| Holdings above 200-day average | 84% | 79% |
| Net flow, latest 3 reported months | −$108M thru Jun 2026 | −$459M thru Jun 2026 |
| 30-day implied volatility | 13.8% | 13.3% |
| Holdings as of | as of Oct 8, 2026issuer data | as of Oct 8, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
80% of IOO · 67% of OEF| Holding | IOO | OEF |
|---|---|---|
| NVDA | 13.36% | 11.23% |
| AAPL | 11.90% | 10.00% |
| MSFT | 9.30% | 7.81% |
| AMZN | 5.97% | 5.02% |
| GOOGL | 4.90% | 4.12% |
| AVGO | 4.11% | 3.45% |
| GOOG | 3.93% | 3.30% |
| LLY | 2.24% | 1.88% |
| JPM | 2.11% | 1.77% |
| XOM | 1.66% | 1.40% |
| JNJ | 1.48% | 1.24% |
| INTC | 1.28% | 1.07% |
| WMT | 1.18% | 0.99% |
| MA | 1.11% | 0.94% |
| CSCO | 1.08% | 0.91% |
| CVX | 1.00% | 0.84% |
| CAT | 0.88% | 0.74% |
| MRK | 0.84% | 0.71% |
| PG | 0.84% | 0.70% |
| KO | 0.81% | 0.68% |
| GE | 0.76% | 0.64% |
| PM | 0.75% | 0.63% |
| TXN | 0.63% | 0.53% |
| GS | 0.62% | 0.52% |
| RTX | 0.59% | 0.50% |
Sector mix of the stock holdings
| Sector | IOO | OEF | Gap |
|---|---|---|---|
| Technology | 53.7% | 56.7% | −3.1% |
| Consumer Discretionary | 8.1% | 10.9% | −2.8% |
| Health Care | 6.7% | 7.9% | −1.2% |
| Industrials | 6.1% | 8.0% | −1.9% |
| Financials | 5.5% | 5.9% | −0.5% |
| Energy | 4.2% | 2.6% | +1.6% |
| Consumer Staples | 3.0% | 3.0% | −0.0% |
| Materials | 1.7% | 0.4% | +1.3% |
| Communication Services | 0.0% | 1.6% | −1.6% |
| Utilities | 0.2% | 0.7% | −0.5% |
| Real Estate | 0.2% | 0.2% | +0.0% |
More: full overlap table · IOO holdings · OEF holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.