MUB vs MYI

iShares National Muni Bond ETF against BLACKROCK MUNIYIELD QUALITY FUND III, INC.: cost, size, returns, what they hold and how much of it is the same.

Fee gap
—
same fee
1-year return gap
6.6 pts
MUB is ahead
Larger fund
MUB
$52.1B

Side by side

MUBMYI
FundiShares National Muni Bond ETFBLACKROCK MUNIYIELD QUALITY FUND III, INC.
IssueriSharesiShares
CategoryNational MuniNational Muni
Expense ratio0.05%—
Assets$52.1B$1.2B
Average daily dollar volume$1.8B$9.8M
ListedSep 7, 2007Apr 13, 1992
FrenzyCap score9971
1-month return−0.3%−2.3%
3-month return−2.7%−9.1%
Year to date−4.3%−10.1%
1-year return−4.7%−11.3%
30-day volatility6.3%18.2%
Worst drawdown, 1 year−7.9%−16.2%
Trailing 12-month yield3.33%—
Holdings7,665—
Top 10 weight1.2%—
Look-through P/E——
Holdings vs fair value——
Holdings above 200-day average——
Net flow, latest 3 reported months+$2.4B thru May 2026—
30-day implied volatility7.5%—
Holdings as ofas of Oct 20, 2026issuer data

Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.

More: full overlap table · MUB holdings · MYI holdings

Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.