Soluna Holdings, Inc
Soluna Holdings, Inc. (Nasdaq: SLNH) develops, owns, and operates digital infrastructure for energy-intensive computing, colocating data centers with renewable power plants to use underutilized energy. Its businesses include Bitcoin hosting and proprietary Bitcoin mining, AI and high-performance computing (HPC) data… From the company’s description.
Over the twelve months to Jun 30, 2026, Soluna Holdings, Inc reported revenue of $42.08M, up 50.9% from a year earlier, and a net loss of $82.38M. Its pre-tax margin was −127.0%. In fiscal 2025, it reported revenue of $29.72M, down 21.8% from fiscal 2024, and a net loss of $56.99M.
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 Soluna Holdings, Inc does
In the company’s own words
Soluna Holdings, Inc. (Nasdaq: SLNH) develops, owns, and operates digital infrastructure for energy-intensive computing, colocating data centers with renewable power plants to use underutilized energy. Its businesses include Bitcoin hosting and proprietary Bitcoin mining, AI and high-performance computing (HPC) data center development and hosting, and demand response services for grid operators and utilities. Hosting customers include large-scale Bitcoin miners; the planned HPC business targets hyperscalers and neocloud providers, with enterprise customers over time. In 2025, Bitcoin hosting generated approximately 57% of revenue, Bitcoin mining 38%, and demand response 4%; HPC infrastructure was in development. The company operates its facilities with MaestroOS, its proprietary software platform for managing computing operations and power use. At December 31, 2025, Soluna operated approximately 123 MW across two sites, had 83 MW under construction, and reported a development pipeline of approximately 4.3 GW. The company, formerly Mechanical Technology, Incorporated, changed its name to Soluna Holdings in 2021 and sold its MTI Instruments subsidiary in 2022. Its website is http://www.solunacomputing.com.
Company details
- Sector
- Financials
- Industry (SIC)
- Finance Services
- Headquarters
- ALBANY, NY
- Fiscal year end
- December
- CIK
- 64463
- 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 Soluna Holdings, Inc — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Soluna Holdings, Inc’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
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”.
Could not be determined for this company: bond issues.
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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