State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) holdings
Top holdings
The 10 largest positions make up 13.8% of the fund, as reported on Aug 27, 2026.
Frequently asked questions
What are the top holdings of SPMB?
As of Aug 27, 2026, the largest positions in State Street SPDR Portfolio Mortgage Backed Bond ETF are GVMXX (7.6%), FHLMC 30yr Pool#RQ0094 5.000% 01-Feb-2056 5.0% 01-FEB-2056 (1.1%), UMBS TBA 30yr 5.5% September Delivery 5.500% 01-MAY-2056 (0.9%), UMBS TBA 30yr 5% September Delivery 5.000% 01-MAY-2056 (0.8%), FNMA 30yr Pool#MA4547 2.000% 01-Feb-2052 2.0% 01-FEB-2052 (0.7%).
How concentrated is SPMB?
The 10 largest positions make up 13.8% of State Street SPDR Portfolio Mortgage Backed Bond ETF, as reported on Aug 27, 2026.
Fund holdings are reported periodically and are a snapshot of a past date, not a live position list — what the fund holds today may differ. Weights cover only the largest positions shown, not the whole portfolio.
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