Soluna Holdings, Inc. (SLNH)
NASDAQ: SLNH · Real-Time Price · USD
0.5200
-0.0499 (-8.76%)
At close: Aug 15, 2025, 4:00 PM
0.5101
-0.0099 (-1.90%)
After-hours: Aug 15, 2025, 7:56 PM EDT

Company Description

Soluna Holdings, Inc., together with its subsidiaries, engages in the mining of cryptocurrency through data centres.

It operates through three segments, Cryptocurrency Mining, Data Center Hosting, and High-Performance Computing Services.

The company also operates in the blockchain business, as well as offers colocation and hosting services for companies seeking to train large language models, fine-tune existing artificial intelligence models, and deploy other compute-intensive AI or HPC workloads.

In addition, the company develops and builds modular data centres that use for cryptocurrency mining.

Further, it provides data centre hosting services, including electrical power and network connectivity to cryptocurrency mining customers.

Soluna Holdings, Inc. was formerly known as Mechanical Technology Inc and as changed to Soluna Holdings, Inc. in November 2021.

The company was founded in 1961 and is headquartered in Albany, New York.

Soluna Holdings, Inc.
Soluna Holdings logo
Country United States
Founded 1961
Industry Capital Markets
Sector Financials
Employees 47
CEO John Belizaire

Contact Details

Address:
325 Washington Avenue Extension
Albany, New York 12205
United States
Phone 516-216-9257
Website solunacomputing.com

Stock Details

Ticker Symbol SLNH
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
CIK Code 0000064463
CUSIP Number 583543103
ISIN Number US5835433013
Employer ID 14-1462255
SIC Code 6199

Key Executives

Name Position
John Belizaire Chief Executive Officer and Director
Michael M. Toporek III Executive Chairman
John Tunison Chief Financial Officer and Treasurer
Jim Reynolds Vice President of Operations
Jessica L. Thomas Chief Accounting Officer and Corporate Secretary
Dipul Patel Chief Technology Officer
Mary Jennifer O'Reilly Chief People Officer
Lisa Brennan Corporate Controller
Kim Su Lloyd Marketing Consultant - MTI Instruments

Latest SEC Filings

Date Type Title
Aug 15, 2025 8-K Current Report
Aug 14, 2025 10-Q Quarterly Report
Aug 12, 2025 8-K Current Report
Aug 8, 2025 8-K Current Report
Aug 7, 2025 8-K Current Report
Aug 6, 2025 8-K Current Report
Jul 22, 2025 8-K Current Report
Jul 21, 2025 ARS Filing
Jul 21, 2025 DEF 14A Other definitive proxy statements
Jul 18, 2025 SCHEDULE 13G Filing