Bitcoin mining stock prices diverge sharply in 2025 as AI pivots drive gains

Bitcoin mining companies that diversified into AI and high-performance computing (HPC) outperformed pure-play cryptocurrency miners in 2025. IREN (NASDAQ: IREN) and Cipher (NASDAQ: CIFR) led the sector with triple-digit stock returns following multi-billion dollar agreements with major technology firms, while traditional miners like Marathon Digital (NASDAQ: MARA) and Bitdeer (NASDAQ: BTDR) faced declines. IREN posted a 285% return for the year to lead the group tracked in the sector. The company signed ...