Bitcoin Miners MARA Holdings and CleanSpark Face Revenue Plunge Amid Industry Transformation

Key Takeaways

Table of Contents

MARA Holdings recorded Q2 2026 revenue of $174.9 million, representing a 27% year-over-year decline
CleanSpark’s third fiscal quarter revenue plummeted 30.5% to $138 million
Both mining operations are diversifying into artificial intelligence and high-performance computing sectors
Market reactions to AI infrastructure announcements have weakened significantly, with average stock gains falling from 24% to approximately 10%
The TEM AI Infrastructure Growth Index has declined roughly 28.5% since reaching its June high

Leading Bitcoin mining operations MARA Holdings and CleanSpark have disclosed disappointing quarterly financial results, reflecting broader industry challenges as companies pivot toward artificial intelligence and high-performance computing solutions.

MARA disclosed second-quarter 2026 revenue totaling $174.9 million, marking a 27% decrease from the $238.5 million generated during the corresponding quarter last year. Meanwhile, CleanSpark announced third fiscal quarter revenue of $138 million, down 30.5% compared to the $198.6 million recorded in the prior-year period.

MARA, the Largest Publicly Traded Bitcoin Miner, Reports 29% YoY Decline in Bitcoin Holdings to 35,577 BTC in Q2

MARA, the largest publicly traded Bitcoin miner, reported a 29% year-over-year decline in its Bitcoin holdings to 35,577 BTC in Q2 2026. Revenue fell 27% to $175… pic.twitter.com/NTzZcFdDZS

— Wu Blockchain (@WuBlockchain) August 7, 2026

Financial Setbacks Deepen for Mining Operators

MARA experienced a significant expansion in net losses, reaching $611.3 million compared to net income of $808.2 million during the same quarter last year. The company attributed much of this deterioration to a $343 million fair-value write-down on its digital asset holdings. Its adjusted EBITDA reversed dramatically from a $1.2 billion profit to a $360.9 million loss.

Similarly, CleanSpark reported a net loss of $239.8 million, contrasting sharply with the $257.4 million in net income achieved in the previous year’s comparable period. The company’s adjusted EBITDA flipped from a positive $377.7 million to a negative $113 million.

During the quarter, MARA successfully mined 2,422 Bitcoin at an approximate average market price of $71,325. The company’s energized hashrate increased 22% year-over-year, reaching 70.3 EH/s. MARA currently maintains holdings of 35,577 Bitcoin, valued at approximately $2.1 billion, securing its position as the fourth-largest corporate Bitcoin holder globally.

CleanSpark’s Bitcoin treasury stood at 13,924 coins as of June 30, placing it eleventh among publicly traded companies. The firm also maintained $202.6 million in cash reserves alongside total assets valued at $2.7 billion.

Market Response to AI Initiatives Weakens

Notwithstanding the financial challenges, both mining firms continue advancing their AI infrastructure strategies. MARA is moving forward with finalizing its Long Ridge acquisition, anticipated to contribute immediate positive EBITDA while expanding operational capacity at its Hannibal facility. The company also secured an additional 2 GW capacity through a new site in Matagorda County, Texas.

CleanSpark announced a substantial 20-year lease agreement valued at $6.6 billion for its Sandersville facility, partnering with what the company characterized as a high investment-grade client.

Nevertheless, market enthusiasm for AI-related announcements has noticeably diminished. Research conducted by Blocksbridge Consulting examined 25 AI and HPC partnership announcements made between June 2024 and August 2026. Their analysis revealed that average same-day stock price increases declined from approximately 24% for initial deals to roughly 10% for more recent announcements.

Initial deals generated exceptional market responses. Core Scientific’s inaugural CoreWeave hosting partnership propelled its stock price upward by more than 40%. TeraWulf’s first Fluidstack agreement generated a nearly 60% surge in share value.

By contrast, recent announcements have produced more modest market reactions. TeraWulf’s 401-megawatt lease agreement with Anthropic resulted in approximately 5% share price appreciation. CleanSpark’s $6.6 billion AI hosting arrangement generated roughly 9% gains.

The TEM AI Infrastructure Growth Index, which monitors companies developing AI data center capabilities, has declined approximately 28.5% from its June peak. The Philadelphia Semiconductor Index has similarly fallen nearly 17% since reaching its July high.

MARA CEO Fred Thiel emphasized that the company intends to engage across various segments of the AI infrastructure value chain while maintaining disciplined capital allocation practices.

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