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iShares MBS ETFiShares MBS ETFiShares MBS ETF

iShares MBS ETF

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Fund composition


As of March 12, 2026
Symbol
Weight %
Shares
Market value
A
American Builders & Contractors Supply Co., Inc. 3.875% 15-NOV-2029
5.11%
‪‪2.06 B‬‬
‪‪2.06 B‬‬USD
F
FHLMC 30yr Pool#SD8146 2.000% 01-May-2051 2.0% 01-MAY-2051
1.03%
‪‪508.49 M‬‬
‪‪414.14 M‬‬USD
G
GNMA II TBA 30yr 5.5% March Delivery 5.500% 01-JUL-2055
0.99%
‪‪394.48 M‬‬
‪‪397.21 M‬‬USD
U
UMBS TBA 30yr 5.5% April Delivery 5.500% 01-MAY-2055
0.67%
‪‪268.98 M‬‬
‪‪270.83 M‬‬USD
U
UMBS TBA 30yr 5% April Delivery 5.000% 01-DEC-2055
0.66%
‪‪268.22 M‬‬
‪‪265.45 M‬‬USD
G
GNMA II TBA 30yr 5% March Delivery 5.000% 01-DEC-2055
0.55%
‪‪222.41 M‬‬
‪‪221.22 M‬‬USD
G
GNMA II 30yr Pool#MB0025 5.000% 20-Nov-2054 5.0% 20-NOV-2054
0.55%
‪‪221.58 M‬‬
‪‪220.71 M‬‬USD
G
GNMA II 30yr Pool#MA7648 2.000% 20-Oct-2051 2.0% 20-OCT-2051
0.54%
‪‪261.14 M‬‬
‪‪215.85 M‬‬USD
G
GNMA II 30yr Pool#MA7766 2.000% 20-Dec-2051 2.0% 20-DEC-2051
0.53%
‪‪256.66 M‬‬
‪‪212.15 M‬‬USD
F
FNMA 30yr Pool#MA4492 2.000% 01-Dec-2051 2.0% 01-DEC-2051
0.51%
‪‪253.86 M‬‬
‪‪205.82 M‬‬USD
Get deeper insights with ETF data
Explore detailed ETF holdings data, including weight, shares, and market value.