ILTB Performance — iShares Core 10+ Year USD Bond ETF
Data updated: 2026-07-24
ILTB returned +0.38% year to date and +6.83% over one year to May 2026. Annualised returns are +2.86% over 3 years and −2.75% over 5 years. The fund beat its Long-Term Government Bond category average: $100 invested three years ago grew to $109, against $104 for the category, and to $107 over one year, against $106. Volatility over the past three years was 11.58% a year. In the 12 months to May 2026 the fund lost a net $11.1M, and assets reached $591.45M.
ILTB Growth of $100
What $100 invested in iShares Core 10+ Year USD Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Long-Term Government Bond category average over the same months.
| Period | ILTB | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $107 | $106 |
| 3 years (Jun 2023 – May 2026) | $109 | $104 |
| 5 years (Jun 2021 – May 2026) | $87 | $86 |
| Since data start (Sep 2019 – May 2026) | $91 | $89 |
ILTB Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.38% |
| 1 year | +6.83% |
| 3 years (annualised) | +2.86% |
| 5 years (annualised) | −2.75% |
ILTB Annual Returns
Calendar-year total returns of iShares Core 10+ Year USD Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +0.38% |
| 2025 | +7.17% |
| 2024 | −2.79% |
| 2023 | +7.94% |
| 2022 | −26.72% |
| 2021 | −2.47% |
| 2020 | +15.93% |
| 2019 (Sep–Dec) | −2.39% |
ILTB 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 | 0.0% | +3.0% | −3.7% | +0.2% | +1.0% | — | — | — | — | — | — | — |
| 2025 | +0.5% | +4.1% | −1.2% | −1.1% | −1.5% | +2.8% | −0.2% | +0.6% | +3.1% | +1.1% | +0.4% | −1.4% |
| 2024 | −1.3% | −2.1% | +1.6% | −5.1% | +2.8% | +1.0% | +3.3% | +2.2% | +2.4% | −4.4% | +2.2% | −4.7% |
| 2023 | +6.9% | −4.8% | +4.0% | +0.6% | −2.6% | +1.0% | −0.8% | −2.3% | −6.0% | −4.3% | +9.8% | +7.6% |
| 2022 | −4.6% | −2.9% | −3.7% | −9.1% | −0.3% | −3.5% | +3.8% | −4.1% | −8.3% | −3.5% | +8.3% | −1.5% |
| 2021 | −2.8% | −4.0% | −3.4% | +2.1% | +0.9% | +3.4% | +2.6% | −0.2% | −2.3% | +1.4% | +1.0% | −0.7% |
| 2020 | +4.9% | +3.5% | −4.6% | +4.8% | +0.8% | +1.8% | +5.4% | −3.3% | −0.4% | −1.4% | +3.8% | +0.1% |
| 2019 | — | — | — | — | — | — | — | — | −1.8% | 0.0% | +0.1% | −0.7% |
ILTB Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 11.58%
- 3-year Sharpe ratio: -0.14 (vs 4.5% risk-free rate)
- Best month: +9.85% (Nov 2023)
- Worst month: −6.03% (Sep 2023)
ILTB Fund Flows
Monthly money in and out of iShares Core 10+ Year USD Bond ETF, from SEC Form N-PORT.
- 12-month net flow: −$11.1M
- 12-month gross sales (incl. reinvestments): $65.0M
- Sales ÷ redemptions: 0.85×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $0 | $0 | $0 |
| Apr 2026 | $4.9M | $34.5M | −$29.5M |
| Mar 2026 | $10.0M | $0 | $10.0M |
| Feb 2026 | $0 | $5.1M | −$5.1M |
| Jan 2026 | $0 | $0 | $0 |
| Dec 2025 | $39.9M | $0 | $39.9M |
| Nov 2025 | $5.1M | $0 | $5.1M |
| Oct 2025 | $5.1M | $0 | $5.1M |
| Sep 2025 | $0 | $5.1M | −$5.1M |
| Aug 2025 | $0 | $4.9M | −$4.9M |
| Jul 2025 | $0 | $14.5M | −$14.5M |
| Jun 2025 | $0 | $12.1M | −$12.1M |
ILTB Assets Under Management
Net assets of iShares Core 10+ Year USD Bond ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $591.45M |
| 2026-02-28 | $634.98M |
| 2025-11-30 | $597.27M |
| 2025-08-31 | $572.74M |
| 2025-05-31 | $593.43M |
| 2025-02-28 | $626.37M |
| 2024-11-30 | $625.34M |
| 2024-08-31 | $604.13M |
| 2024-05-31 | $578.58M |
| 2024-02-29 | $580.70M |
| 2023-11-30 | $521.09M |
| 2023-08-31 | $531.73M |
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.