IGOV Performance — iShares International Treasury Bond ETF
Data updated: 2026-09-25
IGOV returned −1.59% year to date and +0.42% over one year to Jul 2026. Annualised returns are +1.87% over 3 years and −4.54% over 5 years. The fund trailed its Long-Term Core Bond category average: $100 invested three years ago grew to $106, against $114 for the category, and to $100 over one year, against $104. Volatility over the past three years was 9.66% a year. In the 12 months to Jul 2026 the fund took in a net $330.5M, and assets reached $1.53B.
IGOV Growth of $100
What $100 invested in iShares International Treasury Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Long-Term Core Bond category average over the same months.
| Period | IGOV | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $100 | $104 |
| 3 years (Aug 2023 – Jul 2026) | $106 | $114 |
| 5 years (Aug 2021 – Jul 2026) | $79 | $99 |
| Since data start (Aug 2019 – Jul 2026) | $84 | $110 |
IGOV Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −1.59% |
| 1 year | +0.42% |
| 3 years (annualised) | +1.87% |
| 5 years (annualised) | −4.54% |
IGOV Annual Returns
Calendar-year total returns of iShares International Treasury Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | −1.59% |
| 2025 | +10.19% |
| 2024 | −6.41% |
| 2023 | +5.64% |
| 2022 | −22.11% |
| 2021 | −9.23% |
| 2020 | +10.63% |
| 2019 (Aug–Dec) | −0.10% |
IGOV 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 | +1.6% | +1.2% | −4.6% | +2.2% | +0.3% | −2.1% | −0.1% | — | — | — | — | — |
| 2025 | +0.2% | +1.0% | +1.4% | +5.9% | 0.0% | +3.0% | −3.5% | +2.1% | +0.5% | −1.0% | −0.1% | +0.5% |
| 2024 | −3.1% | −1.2% | +0.2% | −3.3% | +1.5% | −0.7% | +3.2% | +3.2% | +1.8% | −4.2% | 0.0% | −3.7% |
| 2023 | +3.4% | −5.1% | +4.6% | +0.4% | −2.8% | +0.6% | +0.6% | −2.1% | −4.1% | −1.2% | +6.4% | +5.5% |
| 2022 | −2.5% | −1.6% | −3.8% | −7.3% | −0.1% | −4.9% | +2.5% | −6.2% | −6.6% | +0.6% | +7.4% | −1.2% |
| 2021 | −1.5% | −2.5% | −2.5% | +1.6% | +0.9% | −1.9% | +1.6% | −0.8% | −2.9% | −0.4% | −0.3% | −0.8% |
| 2020 | +0.7% | 0.0% | −2.8% | +1.6% | +0.6% | +1.2% | +4.9% | +0.1% | −0.9% | +0.1% | +2.5% | +2.3% |
| 2019 | — | — | — | — | — | — | — | +1.6% | −1.6% | +0.8% | −1.6% | +0.8% |
IGOV Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 9.66%
- 3-year Sharpe ratio: -0.27 (vs 4.5% risk-free rate)
- Best month: +6.42% (Nov 2023)
- Worst month: −4.58% (Mar 2026)
IGOV Fund Flows
Monthly money in and out of iShares International Treasury Bond ETF, from SEC Form N-PORT.
- 12-month net flow: $330.5M
- 12-month gross sales (incl. reinvestments): $825.0M
- Sales ÷ redemptions: 1.67×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $171.5M | $16.4M | $155.1M |
| Jun 2026 | $87.5M | $55.6M | $32.0M |
| May 2026 | $265.2M | $64.3M | $200.9M |
| Apr 2026 | $10.3M | $18.8M | −$8.4M |
| Mar 2026 | $12.8M | $30.9M | −$18.1M |
| Feb 2026 | $166.1M | $0 | $166.1M |
| Jan 2026 | $54.2M | $15.0M | $39.2M |
| Dec 2025 | $0 | $46.2M | −$46.2M |
| Nov 2025 | $0 | $6.3M | −$6.3M |
| Oct 2025 | $42.5M | $119.2M | −$76.7M |
| Sep 2025 | $14.8M | $0 | $14.8M |
| Aug 2025 | $0 | $121.9M | −$121.9M |
IGOV Assets Under Management
Net assets of iShares International Treasury Bond ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $1.53B |
| 2026-04-30 | $1.17B |
| 2026-01-31 | $1.04B |
| 2025-10-31 | $1.05B |
| 2025-07-31 | $1.21B |
| 2025-04-30 | $841.20M |
| 2025-01-31 | $431.13M |
| 2024-10-31 | $509.84M |
| 2024-07-31 | $524.46M |
| 2024-04-30 | $507.83M |
| 2024-01-31 | $572.13M |
| 2023-10-31 | $1.06B |
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.