Public U.S. Bitcoin miners have grown their hashrate share from 15% in 2022 to nearly 34% in mid-2025, doubling their presence.
Access to U.S. capital markets significantly accelerated expansion and profitability for publicly listed Bitcoin mining companies.
MARA Holdings produced 950 BTC in June, with total holdings near 50,000 BTC, leading the U.S. Bitcoin mining landscape.
Publicly listed Bitcoin mining companies in the United States have increased their share of the global hashrate to nearly 34%, according to new data from JPMorgan. This marks a significant rise from January 2022, when their collective contribution stood at about 15%.
While the growth between 2022 and early 2024 showed frequent fluctuations between 20 percent and 23%t, a notable shift occurred by November 2024. At that point, public miners in the U.S. reached the 30% mark. Since then, their share has continued to climb steadily throughout 2025.
Capital Markets Are a Major Factor
Industry analysts highlight access to U.S. capital markets as a critical factor enabling this surge. According to VanEck’s digital assets head Matthew Sigel, access to robust financial resources plays a vital role in supporting infrastructure expansion for publicly traded mining firms.
Among the top performers, MARA Holdings—formerly known as Marathon Digital—has emerged as the leading U.S.-based Bitcoin miner. The company mined 950 BTC in June 2025 alone. Its total Bitcoin holdings are nearing the 50,000 BTC threshold, placing it at the forefront of domestic mining operations.
Record Profits in Recent Quarter
JPMorgan analysts recently reported that these publicly listed miners collectively posted around $2 billion in gross profits during the previous quarter. This marks one of the sector’s strongest financial performances to date and reflects continued operational scaling.
According to the Hashrate Index, the United States currently contributes 36 percent of the total global Bitcoin hashrate. These figures are derived from mining pool data and ASIC hardware trade flows, which provide insight into geographical distribution.
China, once the dominant force in global mining with a 75% share, continues to feel the effects of the 2021 nationwide mining ban. Despite the restrictions, it still accounts for approximately 17% of global hashrate, ranking third globally behind the U.S. and another unnamed region.
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