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SPMB vs IMTG

State Street SPDR Portfolio Mortgage Backed Bond ETF vs Invesco Agency MBS ETF

SPMB

State Street SPDR Portfolio Mortgage Backed Bond ETF

State Street Investment Management

Annual cost

0.04%

Fund size

$6.9B

IMTG

Invesco Agency MBS ETF

Invesco

Annual cost

0.22%

Fund size

$15M

Key differences

  • SPMB costs 0.18% less per year.
  • SPMB is significantly larger than IMTG — larger funds tend to be more liquid and less likely to close.
  • SPMB follows a index tracking strategy; IMTG uses active selection.
  • SPMB has a longer track record, which may reduce uncertainty around long-term behavior.

Side-by-side comparison

SPMBIMTG
Annual cost (TER)0.04%0.22%
Fund size (AUM)$6.9B$15M
Since20092026
Dividend yield4.04%
Asset classfixed incomefixed income
Regionnorth americanorth america
Strategyindex trackingactive selection
CAGR 1Y+7.2%N/A
CAGR 3Y+4.0%N/A
CAGR 5Y+0.2%N/A
Sharpe 3Y0.10N/A
Volatility 1Y4.28%
Max drawdown-18.03%-2.86%

Green dot indicates the better value for that metric. Performance data is historical and does not predict future results.

Similar to SPMB and IMTG