iShares National Muni Bond ETF (MUB) is a iShares ETF with a 0.05% expense ratio and $53.9B in net assets.
Fee
0.05%
expense ratio
Net assets
$53.9B
Launched
Sep 7, 2007
Holdings
—
no holdings data
Top 10 weight
—
largest ten holdings
Largest sector
—
Yield
30-day SEC 3.95% · TTM 3.31%
as of Oct 22, 2026
Benchmark
ICE AMT-Free US National Municipal Index
No sector breakdown for this fund: its holdings are bonds, commodities or other assets without a sector, or we don't have its holdings.