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iShares MBS ETF (MBB): ETF

ETF traded on XNAS under symbol MBB. Quoted in usd.

iShares MBS ETF logo

iShares MBS ETF

-0.10%$91.29
XNAS:MBBFixed Income
AUM $35.54B·YTD --·Yield --
iShares MBS ETF logoXNAS:MBB$91.29-0.10%

Top Holdings

9.9% of portfolio in top 10 holdings

Concentrated in Federal National Mortgage Association (42.6%)

BLACKROCK CASH CL INST SL AGENCY
Cash
4.47%
FHLMC 30YR UMBS SUPER 2.00% 05/01/2051
Other
1.05%
UMBS 30YR TBA(REG A) 5.50% 11/12/2026
Other
0.60%
GNMA2 30YR 5.00% 11/20/2054
Other
0.59%
GNMA2 30YR 2.00% 10/20/2051
Other
0.54%
GNMA2 30YR 2.00% 12/20/2051
Other
0.53%
FNMA 30YR UMBS 2.00% 12/01/2051
Other
0.53%
GNMA2 30YR TBA(REG C) 5.50% 11/19/2026
Other
0.52%
GNMA2 30YR 2.50% 07/20/2051
Other
0.52%
FHLMC 30YR UMBS SUPER 2.00% 04/01/2051
Other
0.51%
GNMA2 30YR TBA 6.00% 11/19/2026
Other
0.48%
FNMA 30YR UMBS 2.00% 11/01/2051
Other
0.45%
GNMA2 30YR 5.00% 04/20/2056
Other
0.43%
GNMA2 30YR 5.50% 09/20/2053
Other
0.41%
GNMA2 30YR 5.50% 09/20/2055
Other
0.40%
GNMA2 30YR 2.50% 05/20/2051
Other
0.35%
UMBS 30YR TBA(REG A) 5.00% 11/12/2026
Other
0.35%
FNMA 30YR UMBS SUPER 2.00% 04/01/2052
Other
0.33%
GNMA2 30YR 2.00% 01/20/2052
Other
0.33%
GNMA2 30YR 5.00% 05/20/2056
Other
0.32%
FNMA 30YR UMBS 2.00% 10/01/2051
Other
0.32%
GNMA2 30YR 2.50% 08/20/2051
Other
0.30%
FNMA 30YR UMBS 2.00% 04/01/2051
Other
0.30%
FNMA 30YR UMBS 2.00% 03/01/2051
Other
0.29%
GNMA2 30YR TBA(REG C) 5.00% 11/19/2026
Other
0.28%

Institutional Holders

Sector Breakdown

MBB sector weights
SectorWeight
Federal National Mortgage Association42.64%
Federal Home Loan Mortgage Corporation30.24%
Government National Mortgage Association24.01%
Uniform MBS2.67%
Cash and/or Derivatives0.44%

Holdings Treemap

Country Allocation

MBB country weights
CountryWeight
United States100.00%