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Wednesday, August 19, 2026The Morning Brief →Sign in

MBBvsSUB

iShares MBS ETF against iShares Short-Term National Muni Bond ETF — the fee, the flows, the book, and a year head-to-head.

One year, growth of $100
MBB 100SUB 99Aug 25Aug 26GROWTH OF $100
Head to head
MBBSUB
Expense ratio0.040%0.070%
Assets$39B$11.5B
Net flow, 1 month+$26M+$138M
Net flow, 1 year−$1B+$1.4B
Return, YTD-1.7%-0.4%
Return, 1 year
Avg daily volume2.1M433K
Holdings108952479
ListedMar 12, 2007Nov 4, 2008
Options marketYesNo

MARKED CELLS LEAD ON THAT LINE · LOWER FEE, LARGER ASSETS, STRONGER FLOWS & RETURNS

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