U.S. Bitcoin Miners Report Strong May 2025 Gains
Three major U.S. Bitcoin miners—CleanSpark,MARA,and Riot Platforms—have shared their May 2025 updates,showing extraordinary growth. Each company reported increases in Bitcoin production, infrastructure, and strategic positioning in the post-halving market.
CleanSpark mined 694 BTC in May, with a hashrate of 45.6 EH/s, up 7.5% from April. The company now holds 12,502 BTC, double its holdings from a year ago. CEO Zach Bradford highlighted CleanSpark’s infrastructure-first approach, aiming to surpass 60 EH/s while maintaining full control.
MARA had its best month as the April 2024 halving. It produced 950 BTC, a 35% increase from April, and earned 282 blocks, up 38%. MARA’s BTC holdings now exceed 49,000. CEO Fred Thiel stressed the importance of MARA’s vertically integrated model for cost reduction and energy efficiency.
Riot Platforms mined 514 BTC in May, up 11% from April. The company is also expanding its data centre business. it acquired 355 acres near its Texas site to build high-performance computing centers for enterprise clients. Riot appointed Jonathan Gibbs as Chief Data Center Officer to lead this initiative.
These miners are adapting to the post-halving surroundings by focusing on infrastructure, vertical integration, and strategic treasury management.
