Screener
MARS vs IYW
Roundhill Space & Technology ETF vs iShares U.S. Technology ETF
Key differences
Both MARS and IYW are equity ETFs. MARS charges 0.75% a year and IYW 0.38%. The main difference: MARS follows a active selection strategy; IYW uses index tracking.
- MARS follows a active selection strategy; IYW uses index tracking.
- IYW costs 0.37% less per year.
- IYW is much larger than MARS. Larger funds are usually more liquid and less likely to close.
- IYW has a longer track record, which may reduce uncertainty around long-term behavior.
Side-by-side comparison
| MARS | IYW | |
|---|---|---|
| Annual cost (TER) | 0.75% | 0.38% |
| Fund size (AUM) | $101M | $25.2B |
| Since | 2026 | 2000 |
| Dividend yield | — | 0.11% |
| Asset class | equity | equity |
| Region | north america | north america |
| Strategy | active selection | index tracking |
| CAGR 1Y | N/A | +48.9% |
| CAGR 3Y | N/A | +33.2% |
| CAGR 5Y | N/A | +21.6% |
| Sharpe 3Y | N/A | 1.18 |
| Volatility 1Y | — | 20.98% |
| Max drawdown | -24.52% | -39.44% |
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