OEF — iShares S&P 100 ETF
Data updated: 2026-08-27
OEF — iShares S&P 100 ETF. United States Large Cap Blend / Core Equity · $20.04B AUM · 0.20% expense ratio. Holdings, fees, performance and SEC filings.
OEF Fund Overview
OEF — iShares S&P 100 ETF is a US ETF managed by iSHARES TRUST, categorised as United States Large Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: iSHARES TRUST
- Category: United States Large Cap Blend / Core Equity
- Assets under management: $20.04B
- 1-year return: 21.4%
- Ticker: OEF
- SEC CIK: 0001100663
- SEC series ID: S000004306
- Share class ID: C000012036
OEF Holdings
Top 10 holdings of iShares S&P 100 ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp. | 10.47% |
| Apple, Inc. | 9.18% |
| Microsoft Corp. | 5.99% |
| Amazon.com, Inc. | 5.04% |
| Alphabet, Inc. | 4.53% |
| Broadcom, Inc. | 3.86% |
| Alphabet, Inc. | 3.61% |
| Micron Technology, Inc. | 2.81% |
| Meta Platforms, Inc. | 2.67% |
| Tesla, Inc. | 2.56% |
OEF Portfolio Allocation
Asset-class allocation of iShares S&P 100 ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.9% |
| Cash & Equivalents | 0.1% |
OEF Performance
Total returns for OEF (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 7.3% |
| 1 year | 21.4% |
| 3 years (annualised) | 22.2% |
| 5 years (annualised) | 14.6% |
OEF Risk Information
Risk metrics for OEF, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 15.5%
OEF Costs and Fees
OEF costs about $20 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.20%
- Gross expense ratio: 0.20%
- Portfolio turnover: 4%
- Brokerage commissions: 0.02 bps of average net assets (SEC N-CEN)
OEF Cashflows
Over the 12 months to 2026-06, iShares S&P 100 ETF had net outflows of $4.17B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$21.68M |
| 2026-05 | −$144.00M |
| 2026-04 | −$293.68M |
| 2026-03 | −$9.62B |
| 2026-02 | −$67.62M |
| 2026-01 | $190.41M |
OEF Debt Constituents
No individual debt constituents are reported in iShares S&P 100 ETF's latest SEC N-PORT filing.
OEF Prospectus and SEC Filings
Official iShares S&P 100 ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-07-22
- Prospectus (485BPOS) — filed 2024-07-19
- Prospectus (485BPOS) — filed 2023-07-20
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-05-26
- Portfolio holdings (N-PORT) — filed 2026-02-25
- Annual census (N-CEN) — filed 2026-06-15
- Annual census (N-CEN) — filed 2025-06-13
Related Funds
Other United States Large Cap Blend / Core Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.