IBMO Performance — iShares iBonds Dec 2026 Term Muni Bond ETF
Data updated: 2026-09-25
IBMO returned +1.40% year to date and +2.42% over one year to Jul 2026. Annualised returns are +2.89% over 3 years and +0.63% over 5 years. The fund trailed its Ultrashort Municipal Bond category average: $100 invested three years ago grew to $109, against $109 for the category, and to $102 over one year, against $103. Volatility over the past three years was 1.79% a year. In the 12 months to Jul 2026 the fund took in a net $53.9M, and assets reached $576.01M.
IBMO Growth of $100
What $100 invested in iShares iBonds Dec 2026 Term Muni Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Ultrashort Municipal Bond category average over the same months.
| Period | IBMO | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $102 | $103 |
| 3 years (Aug 2023 – Jul 2026) | $109 | $109 |
| 5 years (Aug 2021 – Jul 2026) | $103 | $109 |
| Since data start (Aug 2019 – Jul 2026) | $110 | $113 |
IBMO Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.40% |
| 1 year | +2.42% |
| 3 years (annualised) | +2.89% |
| 5 years (annualised) | +0.63% |
IBMO Annual Returns
Calendar-year total returns of iShares iBonds Dec 2026 Term Muni Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +1.40% |
| 2025 | +3.09% |
| 2024 | +1.98% |
| 2023 | +2.91% |
| 2022 | −5.36% |
| 2021 | −0.20% |
| 2020 | +5.47% |
| 2019 (Aug–Dec) | +1.02% |
IBMO 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 | +0.3% | +0.2% | +0.1% | +0.2% | +0.2% | +0.2% | +0.2% | — | — | — | — | — |
| 2025 | +0.5% | +0.4% | +0.1% | 0.0% | +0.4% | +0.4% | +0.4% | +0.3% | +0.1% | +0.1% | +0.3% | +0.3% |
| 2024 | −0.1% | 0.0% | −0.2% | −0.3% | 0.0% | +0.7% | +0.8% | +0.8% | +0.4% | −0.4% | +0.4% | 0.0% |
| 2023 | +1.6% | −2.0% | +1.9% | −0.7% | −0.7% | +0.5% | +0.1% | −0.2% | −1.1% | +0.1% | +2.4% | +0.9% |
| 2022 | −2.5% | −0.4% | −2.2% | −1.7% | +1.5% | −0.4% | +1.8% | −1.8% | −2.4% | 0.0% | +2.4% | +0.4% |
| 2021 | +0.3% | −1.5% | +0.4% | +0.6% | 0.0% | +0.1% | +0.7% | −0.2% | −0.6% | −0.2% | +0.3% | +0.1% |
| 2020 | +2.0% | +0.9% | −3.0% | −0.4% | +3.6% | +0.2% | +1.4% | −0.2% | +0.1% | −0.2% | +0.8% | +0.3% |
| 2019 | — | — | — | — | — | — | — | +1.6% | −1.1% | +0.1% | +0.1% | +0.3% |
IBMO Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 1.79%
- 3-year Sharpe ratio: -0.90 (vs 4.5% risk-free rate)
- Best month: +2.41% (Nov 2023)
- Worst month: −1.05% (Sep 2023)
IBMO Fund Flows
Monthly money in and out of iShares iBonds Dec 2026 Term Muni Bond ETF, from SEC Form N-PORT.
- 12-month net flow: $53.9M
- 12-month gross sales (incl. reinvestments): $116.7M
- Sales ÷ redemptions: 1.86×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $2.6M | $11.5M | −$9.0M |
| Jun 2026 | $3.8M | $6.4M | −$2.6M |
| May 2026 | $9.0M | $3.8M | $5.1M |
| Apr 2026 | $15.4M | $5.1M | $10.3M |
| Mar 2026 | $1.3M | $6.4M | −$5.1M |
| Feb 2026 | $2.6M | $1.3M | $1.3M |
| Jan 2026 | $9.0M | $2.6M | $6.4M |
| Dec 2025 | $15.4M | $0 | $15.4M |
| Nov 2025 | $51.3M | $6.4M | $44.9M |
| Oct 2025 | $0 | $12.8M | −$12.8M |
| Sep 2025 | $3.9M | $2.6M | $1.3M |
| Aug 2025 | $2.6M | $3.8M | −$1.3M |
IBMO Assets Under Management
Net assets of iShares iBonds Dec 2026 Term Muni Bond ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $576.01M |
| 2026-04-30 | $582.38M |
| 2026-01-31 | $576.67M |
| 2025-10-31 | $508.72M |
| 2025-07-31 | $522.14M |
| 2025-04-30 | $509.01M |
| 2025-01-31 | $509.85M |
| 2024-10-31 | $493.19M |
| 2024-07-31 | $471.85M |
| 2024-04-30 | $450.02M |
| 2024-01-31 | $432.71M |
| 2023-10-31 | $319.51M |
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.