DeFi Development Corp. (DFDV) increased its Solana treasury holdings by 101,381 SOL and SOL equivalents between September 14 and 18, according to SEC filings. The acquisition represents a 4% month-over-month increase, bringing total holdings from 2,388,923 to 2,490,304 SOL. During the same period, the company completed the exercise and settlement of the over-allotment option for its Series C preferred stock (CHAD). The latest accumulation reinforces DFDV's strategy as a dedicated Solana treasury company.