MBB ETF
MBB ETF
$90.00
AUM$35.7B
TER0.04%
Holdings22,427
See how much of MBB you already own
MBB ETF
$90.00
iShares MBS ETF
AUM$35.7B
TER0.04%
Holdings22,427
See how much of MBB you already own
Financials is MBB's largest sector at 86.0% of the fund as of Oct 1, 2026. MBB is iShares MBS ETF.
MBB ETF Sector Allocation
MBB sector allocation breaks down across Financials (86.0%). Across 22427 holdings, this breakdown reveals the ETF's investment focus and diversification.
MBB sector exposure is important for understanding concentration risk. With Financials at 86.0%, the fund has significant sector concentration.
MBB by country shows geographic exposure. MBB overlap reveals how sector exposure compares with other funds.