IAGG Performance — iShares Core International Aggregate Bond ETF
Data updated: 2026-09-25
IAGG returned +0.68% year to date and +1.79% over one year to Jul 2026. Annualised returns are +4.46% over 3 years and +0.78% over 5 years. The fund trailed its International Intermediate Core Bond category average: $100 invested three years ago grew to $114, against $121 for the category, and to $102 over one year, against $106. Volatility over the past three years was 3.41% a year. In the 12 months to Jul 2026 the fund took in a net $861.7M, and assets reached $11.21B.
IAGG Growth of $100
What $100 invested in iShares Core International Aggregate Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Intermediate Core Bond category average over the same months.
| Period | IAGG | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $102 | $106 |
| 3 years (Aug 2023 – Jul 2026) | $114 | $121 |
| 5 years (Aug 2021 – Jul 2026) | $104 | $109 |
| Since data start (Aug 2019 – Jul 2026) | $109 | $114 |
IAGG Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.68% |
| 1 year | +1.79% |
| 3 years (annualised) | +4.46% |
| 5 years (annualised) | +0.78% |
IAGG Annual Returns
Calendar-year total returns of iShares Core International Aggregate Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +0.68% |
| 2025 | +3.05% |
| 2024 | +4.97% |
| 2023 | +8.37% |
| 2022 | −10.70% |
| 2021 | −1.77% |
| 2020 | +4.51% |
| 2019 (Aug–Dec) | +0.43% |
IAGG 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 | +0.4% | +1.2% | −1.8% | +0.4% | +0.9% | +0.5% | −0.9% | — | — | — | — | — |
| 2025 | +0.2% | +0.5% | −0.8% | +1.6% | 0.0% | +0.4% | +0.1% | 0.0% | +0.5% | +0.9% | −0.1% | −0.2% |
| 2024 | −0.1% | −0.3% | +0.8% | −0.8% | +0.3% | +0.8% | +1.8% | +0.6% | +1.1% | −0.5% | +1.5% | −0.2% |
| 2023 | +1.9% | −1.2% | +2.1% | +0.3% | 0.0% | +0.1% | +0.2% | +0.3% | −1.6% | +0.4% | +2.6% | +2.9% |
| 2022 | −1.2% | −1.3% | −1.8% | −2.1% | −0.8% | −1.4% | +2.8% | −2.9% | −2.5% | +0.5% | +1.8% | −2.0% |
| 2021 | −0.5% | −1.8% | 0.0% | −0.1% | +0.1% | +0.4% | +1.5% | −0.3% | −1.1% | −0.4% | +1.1% | −0.7% |
| 2020 | +1.9% | +0.7% | −2.2% | +1.6% | +0.1% | +0.4% | +0.8% | −0.7% | +0.7% | +0.4% | +0.3% | +0.4% |
| 2019 | — | — | — | — | — | — | — | +2.0% | −0.3% | −0.6% | −0.2% | −0.4% |
IAGG Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 3.41%
- 3-year Sharpe ratio: -0.01 (vs 4.5% risk-free rate)
- Best month: +2.87% (Dec 2023)
- Worst month: −1.81% (Mar 2026)
IAGG Fund Flows
Monthly money in and out of iShares Core International Aggregate Bond ETF, from SEC Form N-PORT.
- 12-month net flow: $861.7M
- 12-month gross sales (incl. reinvestments): $4.0B
- Sales ÷ redemptions: 1.28×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $657.3M | $0 | $657.3M |
| Jun 2026 | $0 | $2.8B | −$2.8B |
| May 2026 | $289.3M | $0 | $289.3M |
| Apr 2026 | $314.7M | $0 | $314.7M |
| Mar 2026 | $1.1B | $0 | $1.1B |
| Feb 2026 | $266.4M | $0 | $266.4M |
| Jan 2026 | $423.2M | $0 | $423.2M |
| Dec 2025 | $128.5M | $0 | $128.5M |
| Nov 2025 | $332.8M | $333.9M | −$1.2M |
| Oct 2025 | $18.0M | $0 | $18.0M |
| Sep 2025 | $284.0M | $0 | $284.0M |
| Aug 2025 | $219.4M | $0 | $219.4M |
IAGG Assets Under Management
Net assets of iShares Core International Aggregate Bond ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $11.21B |
| 2026-04-30 | $13.07B |
| 2026-01-31 | $11.54B |
| 2025-10-31 | $11.32B |
| 2025-07-31 | $10.64B |
| 2025-04-30 | $6.99B |
| 2025-01-31 | $7.05B |
| 2024-10-31 | $6.98B |
| 2024-07-31 | $6.50B |
| 2024-04-30 | $5.79B |
| 2024-01-31 | $5.58B |
| 2023-10-31 | $4.77B |
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.