Tempus AI ($TEM) has seen a notable rise in its stock price, increasing by 5% on January 22, 2025, and has surged 72% since Cathie Wood's Ark Invest made significant purchases earlier this month. On January 17, Ark Invest executed major buys of Tempus AI, and recent reports indicate that Wood has boosted her holdings by over 600,000 shares in 2025. Additionally, $TEM was highlighted as a strong performer, with one trader reporting a 20% gain from buying in the 47s and selling over 56. Ark Invest also holds over $107 million in Coinbase ($COIN) within its ARKF ETF, and Tesla ($TSLA) remains the top holding in Wood's fund, comprising 12% of the portfolio.