IGLB Performance — iShares 10+ Year Investment Grade Corporate Bond ETF
Data updated: 2026-07-24
IGLB returned +1.10% year to date and +7.96% over one year to May 2026. Annualised returns are +4.70% over 3 years and −1.41% over 5 years. Against its Long-Term Corporate Bond category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $115, against $116 for the category, and to $108 over one year, against $108. Volatility over the past three years was 11.08% a year. In the 12 months to May 2026 the fund took in a net $187.2M, and assets reached $2.64B.
IGLB Growth of $100
What $100 invested in iShares 10+ Year Investment Grade Corporate Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Long-Term Corporate Bond category average over the same months.
| Period | IGLB | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $108 | $108 |
| 3 years (Jun 2023 – May 2026) | $115 | $116 |
| 5 years (Jun 2021 – May 2026) | $93 | $99 |
| Since data start (Sep 2019 – May 2026) | $99 | $106 |
IGLB Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.10% |
| 1 year | +7.96% |
| 3 years (annualised) | +4.70% |
| 5 years (annualised) | −1.41% |
IGLB Annual Returns
Calendar-year total returns of iShares 10+ Year Investment Grade Corporate Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +1.10% |
| 2025 | +7.46% |
| 2024 | −1.12% |
| 2023 | +11.22% |
| 2022 | −25.73% |
| 2021 | −1.62% |
| 2020 | +13.59% |
| 2019 (Sep–Dec) | −0.19% |
IGLB 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% | +1.9% | −3.3% | +0.6% | +1.5% | — | — | — | — | — | — | — |
| 2025 | +0.5% | +3.5% | −1.5% | −1.3% | −0.5% | +3.0% | +0.1% | +0.7% | +3.1% | +0.5% | +0.5% | −1.3% |
| 2024 | −0.3% | −2.7% | +1.8% | −4.7% | +2.8% | +0.5% | +3.2% | +2.1% | +2.7% | −4.0% | +2.1% | −4.2% |
| 2023 | +7.5% | −5.2% | +4.1% | +0.8% | −2.6% | +1.4% | −0.1% | −1.9% | −5.1% | −4.2% | +10.6% | +6.9% |
| 2022 | −5.2% | −3.6% | −2.8% | −9.4% | +0.5% | −4.0% | +4.5% | −4.1% | −8.7% | −2.4% | +8.8% | −1.5% |
| 2021 | −2.6% | −3.2% | −3.0% | +1.8% | +0.7% | +4.0% | +2.3% | −0.4% | −1.9% | +1.4% | +0.3% | −0.7% |
| 2020 | +4.1% | +1.8% | −10.8% | +7.7% | +1.4% | +2.6% | +6.2% | −3.4% | −0.5% | −0.5% | +5.2% | +0.4% |
| 2019 | — | — | — | — | — | — | — | — | −1.5% | +0.6% | +0.6% | +0.1% |
IGLB Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 11.08%
- 3-year Sharpe ratio: 0.02 (vs 4.5% risk-free rate)
- Best month: +10.60% (Nov 2023)
- Worst month: −5.09% (Sep 2023)
IGLB Fund Flows
Monthly money in and out of iShares 10+ Year Investment Grade Corporate Bond ETF, from SEC Form N-PORT.
- 12-month net flow: $187.2M
- 12-month gross sales (incl. reinvestments): $2.6B
- Sales ÷ redemptions: 1.08×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $108.8M | $153.4M | −$44.5M |
| Apr 2026 | $184.8M | $129.5M | $55.3M |
| Mar 2026 | $389.8M | $488.2M | −$98.4M |
| Feb 2026 | $168.5M | $189.3M | −$20.8M |
| Jan 2026 | $289.4M | $269.4M | $20.0M |
| Dec 2025 | $249.3M | $187.4M | $61.9M |
| Nov 2025 | $286.0M | $219.7M | $66.3M |
| Oct 2025 | $201.7M | $135.0M | $66.7M |
| Sep 2025 | $228.1M | $158.6M | $69.5M |
| Aug 2025 | $301.5M | $241.0M | $60.5M |
| Jul 2025 | $123.8M | $94.2M | $29.6M |
| Jun 2025 | $44.7M | $123.6M | −$79.0M |
IGLB Assets Under Management
Net assets of iShares 10+ Year Investment Grade Corporate Bond ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $2.64B |
| 2026-02-28 | $2.80B |
| 2025-11-30 | $2.74B |
| 2025-08-31 | $2.47B |
| 2025-05-31 | $2.40B |
| 2025-02-28 | $2.72B |
| 2024-11-30 | $2.86B |
| 2024-08-31 | $2.55B |
| 2024-05-31 | $2.28B |
| 2024-02-29 | $2.09B |
| 2023-11-30 | $2.01B |
| 2023-08-31 | $2.06B |
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.