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Some of the largest U.S.-based Bitcoin miners\u2014CleanSpark, MARA, and Riot Platforms\u2014released their May 2025 operational updates today, reporting solid gains.<\/p>\n
All three companies reported month-over-month gains in Bitcoin (BTC) production, infrastructure development, and strategic positioning in the post-halving market.<\/p>\n
CleanSpark produced<\/a> 694 BTC in May and reached a hashrate of 45.6 EH\/s, a 7.5% increase from the previous month. The company also announced it now holds 12,502 BTC, double its treasury from a year ago, with all reserves mined directly.\u00a0<\/p>\n CleanSpark expanded its contracted power capacity to 987 megawatts and is on track to become the first public miner to hit 50 EH\/s with fully self-operated infrastructure.\u00a0<\/p>\n CEO Zach Bradford said CleanSpark\u2019s infrastructure-first model is built to support scaling beyond 60 EH\/s while maintaining full operational control.<\/p>\n <\/p>\n MARA, meanwhile, reported<\/a> its strongest month since the April 2024 halving. The company produced 950 BTC in May, up 35% from April, and earned 282 blocks\u2014a 38% month-over-month increase.\u00a0<\/p>\n MARA\u2019s BTC holdings now exceed 49,000, with its self-operated MARA Pool contributing significantly through above-average block reward \u201cluck\u201d and operational efficiencies.\u00a0<\/p>\n CEO Fred Thiel emphasized MARA\u2019s vertically integrated model as key to driving down costs and optimizing energy use.<\/p>\n