Roundhill Space & Technology ETF (MARS)

Roundhill Space & Technology ETF is an exchange-traded fund from Roundhill Investments, a New York-based sponsor of thematic ETFs. As its name indicates, it focuses on companies tied to the space economy and related technologies.

That theme can include businesses that build and launch rockets, manufacture satellites and spacecraft, operate satellite communications and earth-observation networks, and supply components and software for space systems. The fund's selection methodology and holdings should be confirmed in its prospectus.