# OEF (iShares S&P 100 ETF)

iShares · Stock ETFs · U.S. large-cap blend · data as of Oct 2, 2026

OEF tracks an index and returned +16.2% over the past year.

## Key facts

- OEF, total return, 1 year: +16.2%, as of Oct 2, 2026.
- OEF, expense ratio: 0.20%, as of Oct 2, 2026.
- OEF, holdings: 105, as of Oct 2, 2026.
- OEF, below its high: −0.6%, as of Oct 2, 2026.
- OEF, net assets: $20.6bn (the issuer’s own daily fund list, as of Oct 2, 2026).

## OEF over each window to Oct 2, 2026

| Window | Total return | S&P 500 | Gap to S&P 500 | Gap to Nasdaq-100 |
| --- | --- | --- | --- | --- |
| 3 months | +5.3% | +3.6% | +1.7 pts | 0.0 pts |
| 6 months | +20.6% | +17.9% | +2.6 pts | −7.8 pts |
| 1 year | +16.2% | +16.2% | 0.0 pts | −8.1 pts |
| 3 years | +99.6% | +89.3% | +10.3 pts | −15.1 pts |
| Since listing | +882.7% | +813.0% | +69.8 pts | −879.2 pts |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| What it tracks | not read by ETFIQ | ETFIQ |
| Fund type | Equity fund | ETFIQ |
| Category | Stocks · U.S. large-cap blend | ETFIQ |
| Expense ratio | 0.20% | 485BPOS XBRL, Jul 27, 2026 |
| Price | $384.83 | ETFIQ |
| Listed since | Jan 4, 2010 | ETFIQ |
| Net assets | $20.6bn | the issuer’s own daily fund list, as of Oct 2, 2026 |
| Below its high | −0.6% | ETFIQ |
| Holdings | 105 | ETFIQ |
| Top ten weight | 52.5% | ETFIQ |
| Holdings published for | Oct 1, 2026 | the issuer’s daily file |
| Already in the S&P 500, by weight | 100.0% | ETFIQ |
| Active share vs the S&P 500 | 28.3% | ETFIQ |
| Already in the Nasdaq-100, by weight | 65.3% | ETFIQ |

## Questions

### How has OEF performed?

Over the year to Oct 2, 2026, OEF returned +16.2% with distributions reinvested, against +16.2% for the S&P 500. Over three years the figure is +99.6%.

### What does OEF cost?

The prospectus expense ratio is 0.20% a year.

### What does OEF hold?

105 positions as published by its issuer for Oct 1, 2026, with the top ten at 52.5% of the fund. 100% of its weight is in stocks the S&P 500 also holds.

### How far is OEF below its high?

0.6% below its high of Sep 21, 2026, measured on the reinvested series to Oct 2, 2026.


## Cite this page

ETFIQ, OEF, data as of Oct 2, 2026. https://etfiq.com/funds/oef
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

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