Mill City Ventures III, Ltd., a Nasdaq-listed company, has announced a $450 million investment to establish the first listed Sui treasury, aiming to bridge traditional finance with decentralized finance (DeFi). The initiative, revealed on July 28, 2025, involves purchasing $441 million worth of SUI tokens, with completion expected by July 31, 2025. This strategic move is backed by major investors including Pantera Capital and Galaxy Digital. Despite recent market volatility, Sui's DeFi ecosystem continues to grow, boasting a total value locked of $2.22 billion. Mill City's investment highlights confidence in Sui's potential, although challenges such as price volatility and regulatory issues persist.