SUB — iShares Short-Term National Muni Bond ETF
Data updated: 2026-07-24
SUB — iShares Short-Term National Muni Bond ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Short Municipal - National Bond · $11.26B AUM · 0.07% expense ratio · 3.1% 1-yr return. From SEC regulatory filings.
SUB Fund Overview
SUB — iShares Short-Term National Muni Bond ETF is a US ETF managed by iSHARES TRUST, categorised as Short Municipal - National Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: iSHARES TRUST
- Category: Short Municipal - National Bond
- Assets under management: $11.26B
- 1-year return: 3.1%
- Ticker: SUB
- SEC CIK: 0001100663
- SEC series ID: S000023507
- Share class ID: C000069126
SUB Holdings
Top 10 holdings of iShares Short-Term National Muni Bond ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| BlackRock Liquidity Funds | 0.59% |
| New Jersey Economic Development Authority | 0.37% |
| County of King | 0.35% |
| San Antonio Water System | 0.28% |
| City of Seattle | 0.27% |
| State of California | 0.27% |
| Empire State Development Corp. | 0.25% |
| Pennsylvania Turnpike Commission | 0.25% |
| University of California | 0.25% |
| New Jersey Turnpike Authority | 0.25% |
SUB Portfolio Allocation
Asset-class allocation of iShares Short-Term National Muni Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 94.9% |
| Cash & Equivalents | 5.5% |
SUB Performance
Total returns for SUB (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.8% |
| 1 year | 3.1% |
| 3 years (annualised) | 3.1% |
| 5 years (annualised) | 1.5% |
SUB Risk Information
Risk metrics for SUB, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 1.2%
SUB Costs and Fees
SUB costs about $7 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.07%
- Gross expense ratio: 0.07%
- Portfolio turnover: 29%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
SUB Cashflows
Over the 12 months to 2026-02, iShares Short-Term National Muni Bond ETF had net inflows of $1.72B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $107.29M |
| 2026-01 | $294.60M |
| 2025-12 | $309.19M |
| 2025-11 | $37.31M |
| 2025-10 | −$5.27M |
| 2025-09 | −$144.44M |
SUB Debt Constituents
Largest debt holdings of iShares Short-Term National Muni Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| New Jersey Economic Development Authority | 0.37% |
| State of California | 0.27% |
| Empire State Development Corp. | 0.25% |
| University of California | 0.25% |
| New Jersey Turnpike Authority | 0.25% |
| State of California | 0.24% |
| State of California | 0.24% |
| State of Connecticut Special Tax | 0.21% |
| State of New Jersey | 0.21% |
| New York City Transitional Finance Authority Future Tax Secured | 0.21% |
SUB Prospectus and SEC Filings
Official iShares Short-Term National Muni Bond ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Short Municipal - National Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.