Bitcoin Miners MARA Holdings and CleanSpark Face Sharp Revenue Declines Amid Industry Shift

Key Takeaways

Table of Contents

MARA Holdings experienced a 27% year-over-year revenue decline to $174.9 million in Q2 2026
CleanSpark’s third fiscal quarter revenue plummeted 30.5% to $138 million
Both mining operations are strategically pivoting toward AI and high-performance computing facilities
Market reactions to AI infrastructure announcements have diminished from 24% average gains to approximately 10%
The TEM AI Infrastructure Growth Index has declined roughly 28.5% since reaching its June high

Two prominent Bitcoin mining companies, MARA Holdings and CleanSpark, have disclosed disappointing quarterly financial results as the sector undergoes a significant transformation toward artificial intelligence and high-performance computing operations.

MARA Holdings revealed second-quarter 2026 revenues of $174.9 million, representing a 27% decrease from the $238.5 million recorded during the corresponding quarter last year. Meanwhile, CleanSpark announced third fiscal quarter revenues of $138 million, marking a 30.5% reduction from the $198.6 million generated in the same period twelve months earlier.

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 Losses Expand for Mining Operators

MARA Holdings saw its net loss balloon to $611.3 million, a stark reversal from the $808.2 million net income recorded in the comparable year-ago quarter. The company attributed much of this decline to a $343 million fair-value impairment on its digital asset holdings. Its adjusted EBITDA flipped from a $1.2 billion profit to a $360.9 million loss.

CleanSpark similarly experienced a net loss of $239.8 million, contrasting sharply with the $257.4 million net income from the previous year. The company’s adjusted EBITDA reversed from a profit of $377.7 million to a loss of $113 million.

During the quarter, MARA successfully mined 2,422 Bitcoin at an average market price of approximately $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 roughly $2.1 billion, positioning it as the fourth-largest corporate Bitcoin holder globally.

CleanSpark reported Bitcoin holdings of 13,924 coins as of June 30, ranking eleventh among publicly traded corporations. The company also maintained $202.6 million in cash reserves and reported total assets valued at $2.7 billion.

Market Response to AI Infrastructure Announcements Weakens

Notwithstanding the financial setbacks, both mining companies continue advancing their AI infrastructure strategies. MARA is moving forward with finalizing its Long Ridge acquisition, anticipating immediate positive EBITDA contributions and expanded operational capacity at its Hannibal facility. The company also secured an additional 2 GW capacity through a new site located in Matagorda County, Texas.

CleanSpark announced a significant 20-year lease agreement valued at $6.6 billion at its Sandersville location, reportedly with a tenant carrying a high investment-grade credit rating.

Nevertheless, investor sentiment toward AI-related announcements has noticeably cooled. Research conducted by Blocksbridge Consulting examined 25 AI and HPC transaction announcements spanning June 2024 through August 2026. The analysis revealed that average same-day stock price increases declined from approximately 24% for initial deals to around 10% for more recent announcements.

Early agreements generated exceptional market responses. Core Scientific’s inaugural CoreWeave hosting partnership drove its stock price up more than 40%. TeraWulf’s initial Fluidstack arrangement triggered a nearly 60% surge.

Recent transactions have produced more modest movements. TeraWulf’s 401-megawatt leasing 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 operations, has declined approximately 28.5% from its June peak. Similarly, the Philadelphia Semiconductor Index has dropped nearly 17% from its July high point.

MARA CEO Fred Thiel emphasized that the company intends to establish presence across multiple segments of the AI infrastructure ecosystem while maintaining rigorous capital allocation standards.

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