iShares S&P 100 ETF (OEF): outlook, holdings and fees
iShares S&P 100 ETF (OEF) is an exchange-traded fund and is managed by iShares. The expense ratio is 0.20% and the yield is 0.87%. The ten largest holdings are 52% of the fund.
Fund data as of Oct 14, 2026 · Price Nov 2, 2026
ATLAS view on OEF
| Last price | $374.61 (+0.3%) |
|---|---|
| ATLAS chance of a higher price in 1 month | 55% |
| Likely 1-month range (50%) | $367.08 – $386.08 |
| Normal 1-day range (±1σ) | ±0.9% |
| Distribution yield | 0.87% |
ATLAS probabilities use the same calibrated model as every stock page. A fair value is shown for companies, not funds; the holdings below link to the fair value of each company.
OEF fund facts
| Issuer | iShares |
|---|---|
| Theme | Other strategies |
| Assets under management | $20.8B |
| Expense ratio | 0.20% |
| Number of holdings | 101 |
| Portfolio turnover | 3% |
| Inception | Oct 23, 2000 |
| Exchange | NYSE |
The fund seeks to track the investment results of the S&P 100® (the "underlying index"), which measures the performance of the large-capitalization sector of the U.S. equity market. It is a subset of the S&P 500® (the "Parent Index") and consists of blue chip stocks from a diverse range of industries in the Parent Index with exchange listed options. The underlying index is a product of S&P Dow Jones Indices LLC (the "index provider" or "SPDJI"), which is"independent of the fund and BFA. The fund is non-diversified.
OEF top holdings
| Holding | Sector | Weight |
|---|---|---|
| NVIDIA Corporation NVDA | Technology | 11.26% |
| Apple Inc. AAPL | Technology | 9.51% |
| Microsoft Corporation MSFT | Technology | 8.12% |
| Amazon.com Inc AMZN | Consumer Cyclical | 5.05% |
| Alphabet Inc Class A GOOGL | Communication Services | 4.03% |
| Broadcom Inc AVGO | Technology | 3.46% |
| Alphabet Inc Class C GOOG | Communication Services | 3.18% |
| Meta Platforms Inc. META | Communication Services | 3.28% |
| Micron Technology Inc MU | Technology | 2.37% |
| Tesla Inc TSLA | Consumer Cyclical | 2.05% |
Holdings with an ATLAS page link to their probability range, fair value and earnings calendar.
OEF sector breakdown
| Sector | Weight |
|---|---|
| Technology | 46.8% |
| Communication Services | 12.4% |
| Financial Services | 10.2% |
| Consumer Cyclicals | 8.7% |
| Healthcare | 8.6% |
| Industrials | 4.6% |
| Consumer Defensive | 4.6% |
| Energy | 2.7% |
| Utilities | 0.7% |
| Basic Materials | 0.5% |
| Real Estate | 0.2% |
By region: North America 100.0%.
OEF returns and risk
| Year to date | +14.1% |
|---|---|
| 1 year | +17.5% |
| 3 years (annualised) | +26.4% |
| 5 years (annualised) | +14.7% |
| 10 years (annualised) | +16.3% |
| Volatility (3 years) | 13.8% |
| Sharpe ratio (3 years) | 1.41 |
Past returns do not guarantee future results.
OEF: frequently asked questions
What does OEF invest in?
iShares S&P 100 ETF invests in a portfolio of securities. Its largest holdings are NVIDIA Corporation (11.3%), Apple Inc. (9.5%), Microsoft Corporation (8.1%), Amazon.com Inc (5.1%), Alphabet Inc Class A (4.0%).
What is the OEF expense ratio?
0.20% a year: about $20.00 for every $10,000 invested.
What is the OEF dividend yield?
0.87%. ATLAS does not hold the exact distribution dates for ETFs.
Will OEF go up?
Nobody can know. The ATLAS model puts the chance of a higher price in one month at 55%, with a likely range (50%) of $367.08 to $386.08 from $374.61 today. It is a probability, not a prediction.
How has OEF performed?
Year to date +14.1%, one year +17.5%, three years +26.4% a year, five years +14.7% a year. Past returns do not guarantee future results.
Similar ETFs: Other strategies
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- Vanguard Mortgage-Backed Securities ETF (VMBS)
- State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM)
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Educational information, not investment advice. Disclaimer