MBBA
iShares Mortgage-Backed Securities Active ETF·CBOE
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Key Stats
Assets Under Management
124.74MUSD
Fund Flow (1Y)
-3.04MUSD
Dividend Yield
0.63%
Discount / Premium to NAV
-0.08%
Shares Outstanding
2.52M
Expense Ratio
0.25%
About iShares Mortgage-Backed Securities Active ETF
Issuer
BlackRock Fund Advisors
Brand
iShares
Inception Date
Jan 23, 2026
Structure
Open-Ended Fund
Index Tracked
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Management Style
Active
Dividend Treatment
Distributes
Distribution Tax Treatment
Ordinary income
Income Tax Type
Capital Gains
Max ST Capital Gains Rate
39.60%
Max LT Capital Gains Rate
20.00%
Primary Advisor
BlackRock Fund Advisors
Distributor
BlackRock Investments LLC
MBBA provides access to the agency MBS market, a core segment of the U.S. fixed income universe supported by U.S. government agencies, along with AAA-rated securitized assets.
Classification
Asset Class
Fixed Income
Category
Government, Mortgage-backed
Focus
Investment Grade
Niche
Broad Maturities
Strategy
Active
Geography
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Weighting Scheme
Proprietary
Selection Criteria
Proprietary
Analysis
Holdings
Symbol
Ratio
USD CASH
46.86%
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UMBS 30YR TBA(REG A)
12.82%
BLACKROCK LIQ FUND TFDIN
11.69%
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GNMA2 30YR TBA(REG C)
4.99%
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UMBS 15YR TBA(REG B)
4.60%
Symbol
Ratio
FNMA 30YR UMBS SUPER
3.59%
GNMA_1555 A
2.44%
GNMA2 30YR
2.19%
FHLMC 30YR UMBS SUPER
2.12%
GNMA 30YR PLATINUM
2.06%
Top 10 Weight 93.36%
152 Total Holding
See all holdings
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JMBS
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VCRM
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Seasonals
Volume Profile
Trade Flow Insight
Community
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