
iShares Short-Term National Muni Bond ETF
SUBNYSEARCABlackRockFixed Income
As of Oct 16, 2026 close
- Assets (AUM)
- $11.68B
- Expense ratio
- 0.07%
- Dividend yield
- 2.59%
- Holdings
- 2,989
- 52-week range
- $104.05$107.51
- Volume (live)
- -
- Avg. volume (3M)
- 1.40M
SUB ETF Holdings: iShares Short-Term National Muni Bond ETF
Every listed position with its portfolio weight, plus sector breakdown and geographic exposure for this Fixed Income ETF. Analyze fund diversification and concentration.
Portfolio Allocations
Distribution breakdown by sector, asset type, and geographic region. Understand the fund's diversification strategy across markets and asset classes.
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Top 5 of 2,989 SUB Holdings by Portfolio Weight
Holdings as of Oct 4, 2026. Ticker, name, asset type and portfolio weight for each position. Fund disclosures available to us list the largest 5 positions.
| # | Symbol | Name | Type | Weight |
|---|---|---|---|---|
| 1 | NMFQS:MCSXX | - | Cash | 0.95% |
| 2 | NY.TRBTRN 01.01.2032 | TRIBOROUGH BRDG & TUNL AUTH N - 3.99 2032-01-01 | Stock | 0.25% |
| 3 | NY.NYCGEN 05.01.2055 | NEW YORK N Y CITY TRANSITIONAL - 2.4 2055-05-01 | Stock | 0.20% |
| 4 | WA.SEAPWR 08.01.2056 | SEATTLE WASH MUN LT & PWR REV - 2.5 2056-08-01 | Stock | 0.20% |
| 5 | WA.KINUTL 01.01.2042 | KING CNTY WASH SWR REV - 2.43 2042-01-01 | Stock | 0.19% |
Source: Fund holdings disclosures. Data as of Oct 4, 2026. Data sources and methodology
Frequently Asked Questions About iShares Short-Term National Muni Bond ETF Holdings
What are the top holdings in SUB?
As of Oct 4, 2026, iShares Short-Term National Muni Bond ETF (SUB) holds 2,989 securities. The largest are NMFQS:MCSXX (0.95%), TRIBOROUGH BRDG & TUNL AUTH N - 3.99 2032-01-01 (0.25%), NEW YORK N Y CITY TRANSITIONAL - 2.4 2055-05-01 (0.20%). The holdings table lists each position by portfolio weight with its ticker, name and asset type.
How concentrated is SUB's portfolio?
Portfolio concentration is measured by the weight of top holdings. A concentrated portfolio has fewer large positions with higher individual weights, while a diversified portfolio distributes holdings more evenly. Review SUB's holdings table to analyze concentration risk.
What is SUB's sector allocation?
The Sector Allocation chart shows how SUB distributes investments across different industries like Technology, Healthcare, Financials, and more. This sector exposure helps understand the fund's industry diversification strategy.
What countries does SUB invest in?
SUB's geographic exposure is shown in the Countries tab under Portfolio Allocations. This reveals the fund's international diversification and exposure to different regions and global markets.
How diversified is SUB ETF?
SUB's diversification can be assessed by reviewing its 2,989 holdings (as of Oct 4, 2026), sector allocation, and geographic exposure. A well-diversified ETF spreads investments across multiple securities, sectors, and regions to reduce concentration risk.