Bitcoin Miners MARA Holdings and CleanSpark Face Revenue Plunge Amid Industry Transformation
MARA Holdings reported Q2 2026 revenue of $174.9 million, down 27% year over year, with net loss of $611.3 million and adjusted EBITDA of -$360.9 million, citing a $343 million digital asset fair-value write-down. CleanSpark reported Q3 revenue of $138 million, down 30.5%, with net loss of $239.8 million and adjusted EBITDA of -$113 million. Both are expanding into AI/HPC, while market gains around AI announcements have eased.
How this was made
The 30-second read
Why it matters
Traders may treat the results as a reset of expectations for miner earnings power, with AI announcements currently failing to generate the prior level of equity enthusiasm.
Market read
New quarterly financial disclosures for two major US-listed Bitcoin miners, plus evidence that AI infrastructure deal headlines are moving stocks less than before.
What to watch
The article emphasizes write-downs and adjusted EBITDA swings but does not quantify operating cash flow, hedging, or BTC price assumptions that could change the forward risk profile.
Background
The piece frames MARA and CleanSpark as pivoting from pure Bitcoin mining toward AI infrastructure and high-performance computing, while reporting sharp quarterly revenue and profitability declines.
Ticker impact
MARA reported Q2 2026 revenue of $174.9M, down 27% YoY, alongside a $343M fair-value write-down and EBITDA swing to a loss.
Bearish bias for the next several sessions as traders reprice margin and treasury volatility risk.
The article provides concrete quarterly financial deterioration (revenue, net loss, adjusted EBITDA) and ties it to digital asset valuation, which typically drives miner equity risk premia.
CleanSpark posted fiscal Q3 revenue of $138M, down 30.5% YoY, with adjusted EBITDA flipping from +$377.7M to -$113M.
Negative-to-choppy trading likely until investors see evidence that AI infrastructure deals offset mining earnings pressure.
The text includes specific quarterly revenue and profitability reversals, which are direct inputs to valuation and near-term positioning for miners.
Market effects
Weak same-day market response to AI/HPC mining-adjacent announcements suggests investors are discounting narrative catalysts versus near-term cash flow.
Limited direct regional read-through; Texas facility capacity additions are mentioned but no immediate regional demand shock is quantified.
Highlights broader global miner earnings sensitivity to digital-asset valuation and financing conditions during industry transformation.
Counterpoint
AI/HPC capacity expansions (Long Ridge, Matagorda County, Sandersville lease) could improve utilization and revenue diversification, potentially stabilizing earnings if execution is strong.
Key entities
- companyMARA Holdings
Reported Q2 2026 revenue decline and large net loss driven by a digital asset fair-value write-down, while continuing AI infrastructure expansion plans.
- companyCleanSpark
Reported fiscal Q3 revenue decline and adjusted EBITDA reversal to negative, alongside a large 20-year lease for its Sandersville facility.
- indexTEM AI Infrastructure Growth Index
Index tracking AI data center capability developers, cited as down about 28.5% from its June peak.
