IEO Performance — iShares U.S. Oil & Gas Exploration & Production ETF
Data updated: 2026-08-24
IEO returned +24.13% year to date and +26.82% over one year to Jun 2026. Annualised returns are +11.69% over 3 years and +17.36% over 5 years. The fund trailed its Energy Equity category average: $100 invested three years ago grew to $139, against $181 for the category, and to $127 over one year, against $128. Volatility over the past three years was 21.52% a year. In the 12 months to Jun 2026 the fund lost a net $75.1M, and assets reached $516.13M.
IEO Growth of $100
What $100 invested in iShares U.S. Oil & Gas Exploration & Production ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Energy Equity category average over the same months.
| Period | IEO | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $127 | $128 |
| 3 years (Jul 2023 – Jun 2026) | $139 | $181 |
| 5 years (Jul 2021 – Jun 2026) | $223 | $257 |
| Since data start (Jul 2019 – Jun 2026) | $242 | $277 |
IEO Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +24.13% |
| 1 year | +26.82% |
| 3 years (annualised) | +11.69% |
| 5 years (annualised) | +17.36% |
IEO Annual Returns
Calendar-year total returns of iShares U.S. Oil & Gas Exploration & Production ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +24.13% |
| 2025 | +2.14% |
| 2024 | −1.38% |
| 2023 | +3.50% |
| 2022 | +58.00% |
| 2021 | +75.58% |
| 2020 | −32.75% |
| 2019 (Jul–Dec) | +0.11% |
IEO Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +10.1% | +10.3% | +15.7% | −1.6% | −7.2% | −3.3% | — | — | — | — | — | — |
| 2025 | +3.0% | +0.6% | +2.3% | −14.0% | +4.3% | +5.1% | +1.9% | +3.8% | −0.5% | −3.6% | +5.1% | −4.2% |
| 2024 | −1.2% | +3.9% | +12.5% | −2.4% | −1.7% | −2.5% | +0.3% | −2.2% | −5.6% | −0.1% | +8.8% | −9.3% |
| 2023 | +2.7% | −8.4% | −0.8% | 0.0% | −7.6% | +7.7% | +11.9% | +2.9% | +0.2% | −0.7% | −2.8% | +0.1% |
| 2022 | +16.4% | +8.5% | +9.7% | −1.7% | +17.8% | −19.7% | +10.5% | +7.7% | −8.8% | +20.9% | +0.6% | −7.1% |
| 2021 | +4.7% | +26.5% | +2.9% | +1.6% | +8.9% | +6.9% | −11.2% | +0.2% | +15.0% | +10.0% | −5.5% | +2.4% |
| 2020 | −13.4% | −16.2% | −42.6% | +47.2% | +0.4% | +0.4% | −4.1% | −0.7% | −16.3% | −4.8% | +33.0% | +7.9% |
| 2019 | — | — | — | — | — | — | −3.4% | −10.5% | +5.8% | −0.4% | 0.0% | +9.9% |
IEO Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 21.52%
- 3-year Sharpe ratio: 0.33 (vs 4.5% risk-free rate)
- Best month: +15.69% (Mar 2026)
- Worst month: −13.99% (Apr 2025)
IEO Fund Flows
Monthly money in and out of iShares U.S. Oil & Gas Exploration & Production ETF, from SEC Form N-PORT.
- 12-month net flow: −$75.1M
- 12-month gross sales (incl. reinvestments): $102.1M
- Sales ÷ redemptions: 0.58×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $0 | $0 | $0 |
| May 2026 | $0 | $29.7M | −$29.7M |
| Apr 2026 | $17.7M | $53.4M | −$35.7M |
| Mar 2026 | $54.8M | $0 | $54.8M |
| Feb 2026 | $10.1M | $0 | $10.1M |
| Jan 2026 | $19.5M | $9.3M | $10.2M |
| Dec 2025 | $0 | $13.3M | −$13.3M |
| Nov 2025 | $0 | $9.1M | −$9.1M |
| Oct 2025 | $0 | $17.7M | −$17.7M |
| Sep 2025 | $0 | $9.1M | −$9.1M |
| Aug 2025 | $0 | $22.1M | −$22.1M |
| Jul 2025 | $0 | $13.4M | −$13.4M |
IEO Assets Under Management
Net assets of iShares U.S. Oil & Gas Exploration & Production ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $516.13M |
| 2026-03-31 | $655.47M |
| 2025-12-31 | $410.68M |
| 2025-09-30 | $467.76M |
| 2025-06-30 | $491.79M |
| 2025-03-31 | $567.05M |
| 2024-12-31 | $569.36M |
| 2024-09-30 | $598.85M |
| 2024-06-30 | $741.79M |
| 2024-03-31 | $770.07M |
| 2023-12-31 | $731.42M |
| 2023-09-30 | $901.52M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.