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To evaluate a public company that holds bitcoin on its balance sheet, assess three connected but distinct things: its operating business, the bitcoin it owns and can access, and the securities or obligations that finance those holdings. The headline bitcoin count does not tell you how much value belongs to common shareholders. Reconcile the holdings, calculate exposure per diluted share, examine liquidity and senior claims, and test whether the company can withstand a bitcoin decline without forced sales or distressed financing.
This is a filing-based framework, not a stock recommendation. Figures cited below come from issuer-specific 2025 annual filings filed in 2026; they are historical examples, not current holdings or valuations. When applying the framework, use the latest filings and dated market data available for the company you are assessing.
How to evaluate a public company that holds bitcoin on its balance sheet
Begin by identifying what kind of company you are analyzing. Bitcoin can be a modest reserve beside an operating business, the central treasury asset, the output of a mining operation, or an asset that is lent, pledged, traded, or held for customers. Those cases have different sources of risk and value.
Separate the business from the treasury
Review the latest 10-K, 10-Q, 8-K, earnings materials, and the company’s description of its strategy. Then assess operating revenue, costs, cash generation, capital needs, and competitive position without assuming that bitcoin appreciation will fund the business. For a treasury-centered company, ask whether operating cash flow can cover corporate costs and financing commitments without new securities issuance or bitcoin sales.
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Management’s stated intention to hold bitcoin indefinitely does not establish that the company will never sell it. Strategy’s 2025 filing describes acquiring bitcoin with proceeds from capital raising. MARA Holdings’ 2025 filing describes treasury holdings alongside lending and permissions to sell bitcoin. These issuer-specific examples show why stated strategy should be compared with the actual financing and operating disclosures.
How much bitcoin does it hold, and can it use it?
Record the quantity and reporting date, then reconcile changes through purchases, mining production, sales, lending, collateral pledges, and transfers. Establish who legally owns the bitcoin, who holds custody, how keys are controlled, and whether any holdings are for customers or other parties. A blockchain address alone does not prove the company has the right and practical ability to control or use the assets.
Custody controls deserve specific scrutiny. In Block, Inc.’s 2025 Form 10-K, filed in 2026, the independent auditor identified the existence of bitcoin and whether Block controlled it as a critical audit matter. The auditor described procedures that included reviewing blockchain evidence, testing management’s reconciliation of records to the blockchain, and observing bitcoin movement to test control of private keys. Such procedures illustrate what an audit may address; they do not establish that another issuer’s custody arrangements are equivalent.
Block reported a fair value of $777.5 million for its bitcoin investment at December 31, 2025. That is a dated, issuer-specific balance-sheet figure, not a current valuation or a measure of what common shareholders would receive after other claims.
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Does bitcoin per share increase?
Total bitcoin held is not the same as bitcoin exposure per common share. Calculate bitcoin per diluted common share using holdings and a share-count definition from the same reporting date. Track that figure over time, and account for securities that could increase the share count or rank ahead of common equity.
Strategy Inc.’s 2025 annual report, filed in 2026, reported 158,826 satoshis per share at the start of 2025 and 194,986 at year end, along with a 22.8% BTC Yield. These are Strategy’s own period-specific, issuer-defined measures—not an industry standard, a forecast, or a guarantee of shareholder return. The report also describes multiple preferred securities and capital raising. Before treating bitcoin per share as common-equity value, read the terms of each relevant security, including its dividends, redemption rights, liquidation priority, conversion terms, and potential dilution.
Review debt, preferred shares, convertible debt, warrants, and other claims alongside the common share count. A rising bitcoin-per-share measure can coexist with financing costs, senior claims, or other changes that affect the value attributable to common shareholders.
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Build a schedule of cash needs and financing obligations rather than treating the bitcoin balance as available cash. Include operating cash flow, cash and short-term investments, debt principal and interest, preferred distributions, leases, capital expenditures, and other material commitments. Identify which bitcoin is pledged, lent, or otherwise difficult to access, and read borrowing-base rules, collateral triggers, recall provisions, and the company’s stated options if prices decline.
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MARA Holdings, Inc.’s 2025 Form 10-K, filed in 2026, reported 53,822 bitcoin at December 31, 2025, including 15,315 bitcoin loaned or pledged as collateral. The filing also described changes permitting sales of bitcoin produced from operations and, in 2026, balance-sheet bitcoin. It reported a $422.2 million decrease from fair-value changes during 2025. These figures show why quantity, availability, financing use, and accounting movement need to be read together.
Bitcoin is not equivalent to cash. A 2026 annual report states that the issuer’s holdings are less liquid than cash and may not provide liquidity to the same extent; it also explains that price declines can affect collateralized borrowing and may force liquidation. This is an issuer disclosure, not a claim that every bitcoin holder has identical borrowing arrangements.
Ask whether the company could meet operating needs and financing obligations during a sharp decline without selling bitcoin at an unfavorable time, posting additional collateral, or raising capital on costly terms. Consider how weaker capital markets would affect that answer.
How do accounting rules affect reported results?
Check the accounting framework, jurisdiction, and rules effective for the reporting period before comparing companies or years. The cited U.S. filing says ASU 2023-08 requires covered bitcoin holdings to be measured at fair value in the statement of financial position, with fair-value gains and losses recognized in net income each reporting period and related interim and annual disclosures. The issuer also warns that price volatility can affect carrying values, earnings, and taxes.
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Read the company’s accounting policy, fair-value hierarchy disclosures, quantity reconciliation, realized and unrealized gains or losses, tax disclosures, and any transition explanation. A change in accounting treatment can make period-to-period results less comparable. Distinguish non-cash fair-value movements from operating cash generation, while checking whether accounting movements may also affect taxes, covenants, investor perceptions, or reported capital measures.
How to rebuild valuation from the capital structure
Equity market capitalization divided by the market value of bitcoin is only a starting ratio. It does not by itself establish what the business or common shares are worth. Build a dated net-asset bridge that makes assumptions visible:
- Value bitcoin using a clearly dated market price and the reconciled quantity the company owns.
- Add cash, other investments, and relevant operating assets; assess whether the operating business contributes value or consumes cash.
- Subtract debt, preferred claims, leases, and other material liabilities.
- Use a diluted share count and account for securities that could convert into or otherwise increase common shares.
- Show alternative bitcoin-price and financing scenarios rather than presenting one mNAV figure as intrinsic value.
Check the formula and scope of any quoted NAV or mNAV. BTCT’s investor-relations page says its indicative NAV/mNAV figures exclude cash, liabilities, and other corporate assets, and are neither audited financial statements nor official valuations. A ratio with those exclusions cannot substitute for a complete assessment of claims on the company’s assets.
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Use the same reporting dates, share-count definitions, and valuation assumptions across companies wherever possible. If a comparable value is not disclosed, mark it as not stated rather than inferring it from a different measure.
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| Comparison area | What to examine |
|---|---|
| Operating business | Source and durability of cash flow, capital needs, and business concentration. |
| Treasury exposure | Bitcoin quantity, disclosed cost basis, current fair value, and bitcoin per diluted share. |
| Capital structure | Debt, preferred claims, conversion terms, maturities, dilution, and financing track record. |
| Liquidity and custody | Cash runway, pledged or loaned holdings, custodian concentration, key control, and access rights. |
| Valuation | Equity value against a complete net-asset bridge, with operating business value and senior claims considered. |
| Downside resilience | Ability to withstand falling bitcoin prices and weaker capital markets without forced sales or distressed refinancing. |
What risks and governance disclosures matter?
Read the issuer’s own risk factors rather than assuming that all companies holding bitcoin face the same exposure. Relevant disclosures can cover price volatility, asset concentration, custody and counterparty failure, private-key access, lending and collateral, liquidity, leverage, dependence on capital markets, taxes, regulation, and other digital assets.
A 2025 SEC-filed annual report warns that if a custodian enters insolvency, ownership could be disputed or access delayed; that report also says the company is not registered as an investment company. These are disclosures about that issuer and should not be generalized to every company that holds bitcoin.
Examine board oversight, conflicts, treasury policy, custody controls, delegated managers, related-party arrangements, and how management changes the strategy. Compare the stated policy with purchases, sales, collateral arrangements, and financing decisions disclosed over time.
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