RVER ▲ +0.8% - Trenchless Fund ETF $RVER - River1 Launches BUIL, the Rebuild America ETF, Bringing Builder-Informed Investing Rooted in one of the largest privately held infrastructure companies in the U.S. Trenchless Fund ETF (RVER) rose 0.8% today following River1's launch of BUIL, the Rebuild America ETF, which leverages infrastructure expertise from one of the largest privately held infrastructure companies in the U.S. The new product expansion may have signaled investor confidence in River1's capabilities and growth prospects in the infrastructure investing space. 16-SEP-2026 11:15 AM ET