iShares S&P 100 ETF (NYSEARCA:OEF) Tracks 101 U.S. Mega-Cap Stocks: Top Holdings and Fund Facts

Sonal Goyal

27 October 2026 05:28 PM AEDT

iShares S&P 100 ETF (NYSEARCA:OEF) Tracks 101 U.S. Mega-Cap Stocks: Top Holdings and Fund Facts

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Key Highlights

iShares S&P 100 ETF (NYSEARCA:OEF) had net assets of about $20.42 billion and a NAV of $379.90 as of Oct 26, 2026.
The fund tracks the S&P 100 Index with an expense ratio of 0.20%.
Its 30-day SEC yield was 0.79%, with quarterly distributions.

The iShares S&P 100 ETF (NYSEARCA:OEF) follows an index of 100 U.S. mega-cap companies. It reported net assets of about $20.42 billion and a NAV of $379.90 per share as of Oct 26, 2026.

Index and Investment Approach

The fund tracks the S&P 100 Index and has traded since Oct 23, 2000, with a 0.20% expense ratio and quarterly distributions.

Portfolio Composition

The portfolio is highly concentrated at the top. Nvidia accounted for 10.54%, Apple 10.48%, Microsoft 8.04%, Amazon.com 5.02% and Alphabet Class A 3.88%, so the five largest positions represent about 38% of assets.

Yield and Distributions

The fund reported a 30-day SEC yield of 0.79% as of Sep 30, 2026 and a 12-month trailing yield of 0.86%. Distributions are paid quarterly. The most recent distribution was $0.762839 per share, with an ex-date of Sep 15, 2026 and payment on Sep 18, 2026. iShares notes that distribution yield and trailing yield can vary from period to period for reasons such as tax treatment and changes in fund shares outstanding.

Portfolio Characteristics

As of Oct 23, 2026 the portfolio held 101 securities, with a price-to-earnings ratio of 30.71 and a price-to-book ratio of 6.77.

Concentration and Holdings Profile

101 securities were held as of Oct 23, 2026. The five largest positions listed on the fund page totalled about 37.96% of assets, leaving roughly 62.04% across the remaining holdings. That makes the top of the portfolio notably concentrated compared with a broad-market fund. iShares notes that holdings are subject to change and that the weights shown are calculated from vendor prices, which may differ from the fund’s own valuation prices.

Fund Details at a Glance

The iShares S&P 100 ETF (NYSEARCA:OEF) is an index-based equity fund that began trading on Oct 23, 2000. Its benchmark is the S&P 100 Index, and it pays distributions quarterly. As of Oct 26, 2026 it had 53.75 million shares outstanding and net assets of $20,419,687,090. An annual fee of 0.20% works out to $20 for every $10,000 held, before any brokerage commissions.

Risk Disclosures Noted by iShares

Shares of ETFs are bought and sold at market price rather than NAV and are not individually redeemed from the fund, and brokerage commissions will reduce returns. Investing involves risk, including possible loss of principal.

Costs and Trading Details

The expense ratio is 0.20%. The fund is listed on NYSE Arca with 53.75 million shares outstanding and net assets of $20,419,687,090 as of Oct 26, 2026. The closing price was $380.05 as of Oct 26, 2026, against a NAV of $379.90 on Oct 26, and the premium/discount was 0.04. The 30-day median bid/ask spread was 0.02% and 30-day average volume was 190,374 shares.

Wrapping Up

iShares S&P 100 ETF (NYSEARCA:OEF) reported net assets of about $20.42 billion and 101 holdings, with its index, fees and distribution schedule as set out above. The quarterly distribution schedule, 0.20% expense ratio and 0.02% median bid/ask spread are the main cost and income details reported for the fund.

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