LMUB Performance — iShares Long-Term National Muni Bond ETF
Data updated: 2026-07-24
LMUB returned +1.93% year to date and +8.52% over one year to May 2026. Over one year the fund beat its Long-Term Municipal Bond category average: $100 grew to $109, against $107 for the category. Volatility over the past 12 months was 5.58% a year. In the 12 months to May 2026 the fund took in a net $1.6B, and assets reached $1.62B.
LMUB Growth of $100
What $100 invested in iShares Long-Term National Muni Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Long-Term Municipal Bond category average over the same months.
| Period | LMUB | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $109 | $107 |
| Since data start (Mar 2025 – May 2026) | $106 | $104 |
LMUB Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.93% |
| 1 year | +8.52% |
LMUB Annual Returns
Calendar-year total returns of iShares Long-Term National Muni Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +1.93% |
| 2025 (Mar–Dec) | +3.83% |
LMUB 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 | +0.7% | +1.8% | −2.6% | +1.6% | +0.5% | — | — | — | — | — | — | — |
| 2025 | — | — | −0.5% | −0.8% | −1.1% | +0.5% | −1.1% | +1.0% | +3.9% | +1.9% | +0.2% | 0.0% |
LMUB Risk
Risk measures from monthly returns over Jun 2025 – May 2026.
- 1-year volatility (annualised): 5.58%
- Best month: +3.94% (Sep 2025)
- Worst month: −2.55% (Mar 2026)
LMUB Fund Flows
Monthly money in and out of iShares Long-Term National Muni Bond ETF, from SEC Form N-PORT.
- 12-month net flow: $1.6B
- 12-month gross sales (incl. reinvestments): $1.6B
- Sales ÷ redemptions: 425.01×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $129.5M | $3.7M | $125.8M |
| Apr 2026 | $109.7M | $0 | $109.7M |
| Mar 2026 | $1.3B | $0 | $1.3B |
| Feb 2026 | $0 | $0 | $0 |
| Jan 2026 | $0 | $0 | $0 |
| Dec 2025 | $0 | $0 | $0 |
| Nov 2025 | $0 | $0 | $0 |
| Oct 2025 | $0 | $0 | $0 |
| Sep 2025 | $2.5M | $0 | $2.5M |
| Aug 2025 | $2.4M | $0 | $2.4M |
| Jul 2025 | $1.2M | $0 | $1.2M |
| Jun 2025 | $0 | $0 | $0 |
LMUB Assets Under Management
Net assets of iShares Long-Term National Muni Bond ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $1.62B |
| 2026-02-28 | $29.53M |
| 2025-11-30 | $29.11M |
| 2025-08-31 | $25.30M |
| 2025-05-31 | $21.84M |
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.