MBB ETF
MBB ETF
$91.24
AUM$39.4B
TER0.04%
Holdings11,186
See how much of MBB you already own
MBB ETF
$91.24
iShares MBS ETF
AUM$39.4B
TER0.04%
Holdings11,186
See how much of MBB you already own
Financials is MBB's largest sector at 90.7% of the fund as of Sep 1, 2026. MBB is iShares MBS ETF.
MBB ETF Sector Allocation
MBB sector allocation breaks down across Financials (90.7%), Energy (0.2%). Across 11186 holdings, this breakdown reveals the ETF's investment focus and diversification.
MBB sector exposure is important for understanding concentration risk. With Financials at 90.7%, the fund has significant sector concentration.
MBB by country shows geographic exposure. MBB overlap reveals how sector exposure compares with other funds.