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IWS vs MMID

iShares Russell Mid-Cap Value ETF vs MFS Active Mid Cap ETF

IWS

iShares Russell Mid-Cap Value ETF

iShares

Annual cost

0.23%

Fund size

$14.9B

MMID

MFS Active Mid Cap ETF

MFS

Annual cost

0.59%

Fund size

$34M

Key differences

  • IWS costs 0.36% less per year.
  • IWS is significantly larger than MMID — larger funds tend to be more liquid and less likely to close.
  • IWS follows a index tracking strategy; MMID uses active selection.
  • IWS has a longer track record, which may reduce uncertainty around long-term behavior.

Side-by-side comparison

IWSMMID
Annual cost (TER)0.23%0.59%
Fund size (AUM)$14.9B$34M
Since20012025
Dividend yield1.38%
Asset classequityequity
Regionnorth america
Strategyindex trackingactive selection
CAGR 1Y+26.4%N/A
CAGR 3Y+17.1%N/A
CAGR 5Y+8.2%N/A
Sharpe 3Y0.87N/A
Volatility 1Y13.31%
Max drawdown-43.83%-7.93%

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

Similar to IWS and MMID