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BDYN vs MARS

iShares Dynamic Equity Active ETF vs Roundhill Space & Technology ETF

BDYN

iShares Dynamic Equity Active ETF

BlackRock

Annual cost

0.40%

Fund size

$2.7B

MARS

Roundhill Space & Technology ETF

Roundhill Investments

Annual cost

0.75%

Fund size

$29M

Key differences

  • BDYN costs 0.35% less per year.
  • BDYN is significantly larger than MARS — larger funds tend to be more liquid and less likely to close.
  • BDYN is classified as mixed asset, while MARS is equity — different risk/return profiles.
  • BDYN has a longer track record, which may reduce uncertainty around long-term behavior.

Side-by-side comparison

BDYNMARS
Annual cost (TER)0.40%0.75%
Fund size (AUM)$2.7B$29M
Since20172026
Dividend yield0.96%
Asset classmixed assetequity
Regionnorth america
Strategyactive selectionactive selection
CAGR 1YN/AN/A
CAGR 3YN/AN/A
CAGR 5YN/AN/A
Sharpe 3YN/AN/A
Volatility 1Y
Max drawdown-10.85%-13.96%

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

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