MBBA ETF
MBBA ETF
$47.84
AUM$771M
TER0.25%
Holdings699
See how much of MBBA you already own
MBBA ETF
$47.84
iShares Mortgage-Backed Securities Active ETF
AUM$771M
TER0.25%
Holdings699
See how much of MBBA you already own
Leveraged fund≈2xWeights reflect notional exposure via swaps/derivatives and do not sum to 100%.
Net exposure
138.5%
Gross exposure
154.2%
Long
146.3%
Short
-7.8%
Cash & collateral
-38.7%
As of Oct 16, 2026
MBBA ETF Top Holdings
MBBA holdings top 10 positions. The top 10 holdings account for 57.9% of the fund, led by Umbs, Tba at 12.6%, Blackrock Cash Funds: Treasury, Sl Agency Shares at 11.1%, Fannie Mae Or Freddie Mac Tba 6% Due 06/01/2056 at 6.2%.
MBBA portfolio concentration is relatively high, with the top 10 representing 57.9% of total assets. The largest sector exposure is Financials at 26.4%.
MBBA sectors provide a detailed breakdown. MBBA overlap shows how holdings compare to other funds in your portfolio.