MBB ETF
MBB ETF
$89.79
AUM$36.5B
TER0.04%
Holdings22,427
See how much of MBB you already own
MBB ETF
$89.79
iShares MBS ETF
AUM$36.5B
TER0.04%
Holdings22,427
See how much of MBB you already own
Financials is MBB's largest sector at 88.3% of the fund as of Sep 11, 2026. MBB is iShares MBS ETF.
MBB ETF Sector Allocation
MBB sector allocation breaks down across Financials (88.3%). 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 88.3%, the fund has significant sector concentration.
MBB by country shows geographic exposure. MBB overlap reveals how sector exposure compares with other funds.