Nasdaq-listed Solana (SOL) reserve company DeFi Development (Ticker: DFDV) announced that it has acquired an additional 47,706 SOL since September 21, increasing its total holdings to 2,538,010 SOL ($309 million). Its holdings increased by approximately 2% in a week and by over 226,000 SOL, or about 10%, since the Q2 earnings announcement on August 12. The company uses its held SOL for staking and operating its own validators to earn additional SOL and fee revenue.