Major institutional investors have purchased 1,551 Bitcoin, while significant Ethereum accumulation was observed among key players like Bitmine and Trend Research, who collectively added over 136,000 ETH in the week ending December 30, 2025. Meanwhile, the stablecoin market value decreased by $97.7 million, reflecting reduced activity on decentralized exchanges. In a notable move, Arthur Hayes reallocated his portfolio, selling Ethereum to invest in LDO, PENDLE, and ENA. The current fear and greed index indicates mixed market sentiment as the year draws to a close, highlighting investor uncertainty in the crypto space.