CleanSpark, Inc.
CleanSpark, Inc. (Nasdaq: CLSK) develops and operates data centers, with bitcoin mining as its established business and AI and high-performance computing (HPC) hosting and leasing as areas of expansion. Its mining facilities use specialized computers to provide processing power to a mining pool operator, which is… From the company’s description.
Over the twelve months to Jun 30, 2026, CleanSpark, Inc. reported revenue of $679.25M, up 7.5% from a year earlier, and a net loss of $997.82M. Its pre-tax margin was −131.6%. In fiscal 2025, it reported revenue of $766.31M, up 102.2% from fiscal 2024, and net income of $364.46M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What CleanSpark, Inc. does
In the company’s own words
CleanSpark, Inc. (Nasdaq: CLSK) develops and operates data centers, with bitcoin mining as its established business and AI and high-performance computing (HPC) hosting and leasing as areas of expansion. Its mining facilities use specialized computers to provide processing power to a mining pool operator, which is currently its sole customer; the company is developing customers for its AI and HPC data center services among hyperscale cloud providers, AI companies and other technology businesses. CleanSpark operates in Georgia, Mississippi, Tennessee and Wyoming, and is exploring conversion of some sites to support AI and HPC workloads. As of September 30, 2025, it had approximately 1,027 megawatts of contracted power capacity across 33 mining locations and 314 staff members. The company formerly operated as Stratean Inc. and changed its name to CleanSpark in November 2016. Its website is www.cleanspark.com.
Company details
- Sector
- Information Technology
- Industry (SIC)
- Finance Services
- Headquarters
- HENDERSON, NV
- Fiscal year end
- September
- CIK
- 827876
- SIC
- 6199
Financial performance, year by year
Fiscal 2011–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns CleanSpark, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · CleanSpark, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
CleanSpark, Inc.’s bonds, as funds hold them
Funds report holding 2 issues of CleanSpark, Inc.’s debt, $113.44M at market value — what funds hold, not the company’s total debt. Weighted-average coupon 0.00%, maturing 2030 to 2032.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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