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MBB vs IMTG

iShares MBS ETF vs Invesco Agency MBS ETF

MBB

iShares MBS ETF

iShares

Annual cost

0.04%

Fund size

$38.3B

IMTG

Invesco Agency MBS ETF

Invesco

Annual cost

0.22%

Fund size

$15M

Key differences

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

Side-by-side comparison

MBBIMTG
Annual cost (TER)0.04%0.22%
Fund size (AUM)$38.3B$15M
Since20072026
Dividend yield4.23%
Asset classfixed incomefixed income
Regionnorth americanorth america
Strategyindex trackingactive selection
CAGR 1Y+7.4%N/A
CAGR 3Y+4.1%N/A
CAGR 5Y+0.3%N/A
Sharpe 3Y0.11N/A
Volatility 1Y4.54%
Max drawdown-17.65%-2.86%

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

Similar to MBB and IMTG