A $239.8M quarterly loss underscores the toll of bitcoin's price collapse on CleanSpark's mining revenue, while a newly signed $6.6B data center lease signals a high-stakes pivot
CLSK sits 64% above its 52-week low of $8.
Summary
A $239.8M quarterly loss hit CleanSpark as bitcoin's price drop crushed mining revenue and asset values. After quarter-end, the company disclosed a major data center lease that requires substantial new funding, while insiders put 10b5-1 sale plans in place.
Key Events · Earnings and Guidance · CLSK
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Q3 Net Loss of $239.8M
Revenue dropped 31% YoY to $138.0M as bitcoin prices fell. A $116.3M non-cash loss on bitcoin fair value and $111.0M in depreciation drove the loss, compared to a $257.4M profit a year ago.
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Bitcoin Holdings Value Halved
The company held 12,205 BTC worth $714.3M at quarter-end, down from $1.19B at September 30, 2025. The average cost basis is $90,188 per bitcoin versus a fair value of $58,524.
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Debt-Fueled Cash Build
Cash rose to $202.6M from $43.0M, primarily from issuing $1.15B in 2032 convertible notes. Long-term debt surged to $1.78B, with $1.8B in total principal maturities, mostly in 2030 and 2032.
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Strategic Pivot: $6.6B Data Center Lease
After quarter-end, CleanSpark signed a 20-year, 175 MW lease with a global tech company for AI/HPC hosting. The project requires substantial additional financing and construction, with deliveries expected in Q4 2027.
Analysis · CLSK · Crypto Assets
The third-quarter figures lay bare how deeply bitcoin's price decline has cut into CleanSpark's mining operations. Revenue contracted 31% year-over-year to $138.0M, and a $116.3M non-cash loss on bitcoin holdings, combined with heavy depreciation, pushed the company to a $239.8M net loss. The balance sheet tells a story of transformation: cash swelled to $202.6M after the issuance of $1.15B in convertible notes, but long-term debt ballooned to $1.78B. In a subsequent move, the signing of a 20-year, 175 MW data center lease with a top-tier tech company marks a strategic shift toward AI/HPC hosting—a pivot that demands substantial additional capital and introduces execution risk. Meanwhile, all top officers adopted 10b5-1 trading plans, authorizing sales of over 1.4M shares, a notable overhang even if driven primarily by tax obligations.
At the time of this filing, CLSK was trading at $13.15 on NASDAQ in the Crypto Assets sector, with a market capitalization of approximately $3.3B. The 52-week trading range was $8.00 to $23.61. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.