PANews reported on October 23rd that billionaire Ken Griffin, founder and CEO of Citadel, disclosed a 4.5% stake in DeFi Development Corp. ( DFDV ). Citadel Advisors and affiliated entities hold a combined 2.7% . DFDV, a digital asset fund management firm focused on increasing its holdings in Solana ( SOL ), recently purchased approximately $11.7 billion worth of Solana over eight days , bringing its total holdings to over 21,900 tokens at a cost of approximately $23.6 billion. This is second only to Forward Industries, which holds 68,200 tokens. Analysts warn that the DAT (Digital Asset Treasurer) model faces regulatory, liquidity, and valuation compression risks.