Soluna Holdings, Inc. SLNH

FY2025 · ended Dec 31, 2025 · Revenue $29.72M, -21.8% YoY · Filed Mar 30, 2026

Soluna Holdings, Inc. (SLNH) files with the SEC under industry code 6199, Finance Services. In fiscal 2025, which ended Dec 31, 2025, it reported revenue of $29.7 million and a net loss of $53.4 million. Free cash flow was -$37.2 million. As of Jun 30, 2026 it held $113.4 million in cash and investments and $39.3 million in total debt.

Revenue (TTM)
$42.08M
+50.9% vs year-ago TTM
Net income (TTM)
$-76.65M
-23.3% vs year-ago TTM
Operating cash flow (TTM)
$-19.43M
-577.3% vs year-ago TTM
Free cash flow (TTM)
$-49.19M
-155.7% vs year-ago TTM
EPS (TTM)
$-1.19
+86.8% vs year-ago TTM
Dividend per share
None
Shares outstanding
111.38M
+792.0% vs prior year
Net cash
$74.07M
as of Jun 30, 2026
Operating margin
-127.0%
FY 2026

Company profile

Industry
Finance Services (SIC 6199)
Listed as
SLNH (Nasdaq), SLNHP (Nasdaq)
Fiscal year ends
December 31
Incorporated in
NV
Headquarters
Albany, NY
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
64463
Former names
MECHANICAL TECHNOLOGY INC (until Oct 29, 2021)

Other Finance Services companies

Key figures

Fiscal-year totals from the annual reports. Balance sheet lines are as of each year end.

Line
FY 2025
Dec 31, 2025
FY 2024
Dec 31, 2024
FY 2023
Dec 31, 2023
FY 2022
Dec 31, 2022
FY 2021
Dec 31, 2021
Revenue
$29.7M
$38.0M
$21.1M
$28.5M
$14.3M
Operating income
-$33.7M
-$47.5M
-$20.2M
-$84.8M
-$4.5M
Net income
-$53.4M
-$63.3M
-$29.2M
-$98.7M
-$5.3M
Diluted EPS
-$2.38
-$14.94
-$27.79
—
-$0.50
Operating cash flow
-$9.1M
-$5.1M
-$3.0M
-$6.1M
$4.6M
Free cash flow
-$37.2M
-$13.9M
-$15.7M
-$69.8M
-$41.2M
Total assets
$187.9M
$88.0M
$91.3M
$85.0M
$117.7M
Total liabilities
$75.7M
$60.7M
$37.9M
$38.7M
$26.7M
Stockholders' equity
$53.5M
-$12.5M
$26.5M
$41.9M
$91.0M
Cash and investments
$76.4M
$7.8M
$6.4M
$1.1M
$10.3M
Total debt
$29.3M
$7.4M
$436,000
$13.2M
$421,000

Recent SEC filings

Recent SEC filings
Form Description Filed Period
8-K Current report
Regulation FD disclosure
Oct 26, 2026 Oct 26, 2026
8-K Current report
Material agreement, Unregistered share sale
Oct 21, 2026 Oct 20, 2026
8-K Current report
Regulation FD disclosure
Oct 21, 2026 Oct 21, 2026
8-K Current report
Regulation FD disclosure
Oct 20, 2026 Oct 20, 2026
8-K Current report
Bylaw or fiscal year change, Shareholder vote results
Oct 19, 2026 Oct 16, 2026
8-K Current report
Regulation FD disclosure
Sep 28, 2026 Sep 28, 2026

Source: SEC EDGAR filings. This is company-reported data, not investment advice.