Business Context and Reporting Period
Company: MARA Holdings, Inc. (formerly Marathon Digital Holdings, Inc.)
Filing Type: Form 10-K (Annual Report)
Period Ended: December 31, 2025
Business Overview: MARA operates as an energy and digital infrastructure company, primarily focused on Bitcoin mining. The company is strategically transitioning to an asset-heavy model (approx. 70% owned capacity) to optimize energy management and is expanding into Artificial Intelligence (AI) and High-Performance Computing (HPC) workloads. As of year-end, MARA operated approximately 1.9 GW of total capacity across 18 data centers globally.
Key Financial Metrics
| Metric | 2025 (in millions) | 2024 (in millions) |
|---|---|---|
| Total Revenue | $907.1 | $656.4 |
| Net Loss (GAAP) | $(1,311.5) | $541.3 (Income) |
| Adjusted EBITDA | $(330.8) | $1,235.0 |
| Operating Cash Flow | $(802.7) | $(677.0) |
| Bitcoin Holdings | 53,822 BTC | 44,893 BTC |
| Bitcoin Fair Value | $4.7 billion | $4.2 billion |
| Cash & Equivalents | $547.1 | $391.8 |
| Total Debt (Principal) | $3.65 billion | $2.49 billion |
| Line of Credit Utilization | $350.0 million (100%) | $200.0 million |
Operational Metrics:
- Energized Hashrate: 66.4 EH/s (up from 53.2 EH/s in 2024).
- Bitcoin Mined: 8,799 BTC (down 7% from 9,430 BTC in 2024 due to the April 2024 halving and increased network difficulty).
- Miner Efficiency: 18.6 J/TH (improved from 19.2 J/TH).
Material Changes vs. Prior Period
- Revenue Growth: Revenue increased 38% to $907.1 million, driven primarily by a 53% increase in the average price of Bitcoin mined ($101,221 vs. $66,249), partially offset by lower production volumes.
- Profitability Shift: The company swung from a net income of $541.3 million in 2024 to a net loss of $1.31 billion in 2025. This was primarily due to a $422.2 million unrealized loss on the fair value of digital assets and a $109.0 million impairment charge (goodwill and storm-damaged assets).
- Cost Structure: Purchased energy costs rose 82% to $179.0 million due to expanded owned sites and higher consumption. Depreciation and amortization increased 80% to $772.8 million due to fleet expansion and accelerated depreciation of certain rigs.
- Balance Sheet: Bitcoin holdings grew by 20% to 53,822 BTC. However, the fair value of these holdings declined due to market price fluctuations (spot price $87,498 at year-end vs. $93,354 in 2024).
Guidance, Outlook, and Risks
Strategic Outlook:
- AI & HPC Expansion: MARA is actively deploying AI inference and HPC capabilities. In February 2026, the company announced a Strategic Agreement with Starwood Digital Ventures to jointly develop AI/HPC infrastructure on select sites, targeting over 1 GW of initial IT capacity.
- Acquisitions: Subsequent to year-end, MARA acquired a majority interest in Exaion (AI/HPC infrastructure) and expanded its Nebraska footprint with a 42 MW data center acquisition.
- Digital Asset Strategy: The company shifted from a purely long-term hold strategy to opportunistically selling mined Bitcoin to fund operations and capital projects, while maintaining a significant treasury position.
Key Risks & Contingencies:
- Bitcoin Volatility: Revenue and profitability are highly correlated with Bitcoin prices. A sustained decline could impair liquidity and force asset sales at losses.
- Regulatory Uncertainty: Evolving regulations regarding digital assets, stablecoins (GENIUS Act), and AI infrastructure pose compliance and operational risks.
- Liquidity & Debt: The company has $350 million in fully utilized lines of credit collateralized by Bitcoin. Significant drops in Bitcoin price could trigger margin calls. Convertible notes totaling $3.3 billion mature between 2026 and 2032.
- Legal Proceedings: Ongoing litigation includes a $138.8 million jury verdict in Ho v. MARA (currently on appeal) and patent infringement claims by Malikie Innovations Ltd.
Investor Verification Checklist
- Bitcoin Price Sensitivity: Verify the impact of current Bitcoin spot prices on the fair value of the 53,822 BTC held and the potential for further unrealized losses.
- Liquidity Coverage: Assess the sufficiency of the $547 million cash balance and $4.7 billion Bitcoin holdings against the $350 million fully utilized line of credit and upcoming debt maturities.
- AI/HPC Execution: Monitor the progress of the Starwood joint venture and Exaion integration to determine if these initiatives will generate material revenue in 2026.
- Legal Exposure: Track the status of the Ho v. MARA appeal and the Malikie patent litigation, as adverse outcomes could result in significant cash outflows.
- Energy Costs: Review the stability of power purchase agreements, particularly for owned sites, as energy costs represent a significant portion of operating expenses.