CLEANSPARK, INC.
CleanSpark, Inc. (NASDAQ: CLSK) operates as a data center developer with a primary focus on bitcoin mining and an expanding presence in artificial intelligence and high-performance computing hosting. The company maintains its corporate website at www.cleanspark.com. From the company’s description.
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) operates as a data center developer with a primary focus on bitcoin mining and an expanding presence in artificial intelligence and high-performance computing hosting. The company maintains its corporate website at www.cleanspark.com.
The company independently owns, leases, and operates a substantial portfolio of data centers and power assets across the United States, with locations in Georgia, Tennessee, Mississippi, and Wyoming, providing a total contracted power capacity of approximately 1,027 megawatts as of September 30, 2025. CleanSpark's bitcoin mining operations represent its principal revenue-generating business activity, with the company contributing computing power to a single mining pool operator in exchange for variable bitcoin rewards. During fiscal year 2025, CleanSpark mined approximately 7,873 bitcoins net of mining pool fees. The company owned approximately 336,544 miners, of which approximately 241,934 were in service, with an average operating energy efficiency of 16.7 watts per terahash and an average miner age of approximately 15 months.
Beyond bitcoin mining, CleanSpark is actively pursuing diversification into AI and HPC hosting and leasing, leveraging its expertise in power optimization, infrastructure development, and data center operations. In October 2025, the company acquired approximately 271 acres in Austin County, Texas, and executed long-term power supply agreements totaling 285 megawatts to support a next-generation data center campus. The company also announced a collaboration framework with Submer Technologies to evaluate opportunities for developing AI data centers at gigawatt scale.
CleanSpark operates 33 wholly owned mining locations across its four primary states, with Georgia providing the largest operational footprint at 620 megawatts supporting 27.02 exahash per second of computing power. The company employs 314 staff members, all located in the United States, with 309 full-time employees. CleanSpark maintains strategic relationships with major equipment suppliers, including Bitmain Technologies Delaware Limited, and utilizes Coinbase for custody of its bitcoin holdings. The company does not hold any cryptocurrency assets other than bitcoin.
Company details
- Sector
- Financials
- Industry
- Finance Services
- Headquarters
- HENDERSON, NV
- Fiscal year end
- September
- CIK
- 827876
- SIC
- 6199
Financial performance, year by year
Fiscal 2013–2025 · 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.
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