SPMB – SPDR Portfolio Mortgage Backed Bond
SPDR Portfolio Mortgage Backed Bond (SPMB) is a Government Mortgage-Backed Bond ETF, issued by State Street Investment Management, $6.9B in assets, 0.03% expense ratio.
Returns as of Oct 23, 2026: 1 week +0.7%, 1 year -1.5%.
Tracks U.S. agency mortgage pass-through segment of investment grade bond market.
Top holdings
- GVMXX – State Street Master Funds - State Street U.S. Government Money Market Portfolio, 6.3%