Thematic ETF company Roundhill Investments is back with a new sector ETF launching Thursday. Here are the details for investors. New ETF The Roundhill IO Digital Infrastructure ETF is targeting growth opportunities in the digital infrastructure sector. “Digital infrastructure is comprised of the high-tech physical assets that support the efficient-storage and transmission of data, powering the internet,” according to Roundhill. Companies that operate in the digital infrastructure include fixed-line, high-speed data transmission technology and hardware, data centers, mobile towers and infrastructure asset companies. The new ETF will track the IO Digital Infrastructure Index (BYTE Index), a newly formed index from ETF partner IO Digital Index Partners. Holdings in the fund include American Tower, Altice USA and Equinix Inc. “We believe digital infrastructure is the backbone underpinning the growth of the consumer internet globally,” Roundhill Investments CEO and co-founder Will Hershey said. “Whether you’re playing Roblox, hosting a conference call on …