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Summary of Significant Accounting Policies (Policies) | 9 Months Ended
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Sep. 30, 2025
Accounting Policies [Abstract] |
Basis of Presentation | (a) Basis of Presentation The accompanying Consolidated Financial Statements of Strategy Inc (“Strategy,” or the “Company”) are unaudited. On August 11, 2025, the Company filed with the Secretary of State of the State of Delaware an amendment to its Second Restated Certificate of Incorporation (as amended and supplemented to date, its “Certificate of Incorporation”), to effect a change of its name from “MicroStrategy Incorporated” to “Strategy Inc”. In the opinion of management, all adjustments necessary for a fair statement of financial position and results of operations have been included. All such adjustments are of a normal recurring nature, unless otherwise disclosed. Interim results are not necessarily indicative of results for a full year. On July 11, 2024, the Company announced a 10-for-1 stock split of the Company’s class A common stock and class B common stock. The stock split was effected by means of a stock dividend to the holders of record of the Company’s class A common stock and class B common stock as of the close of business on August 1, 2024, the record date for the dividend. Shares held in treasury by the Company were not impacted by the stock split. The dividend was distributed after the close of trading on August 7, 2024 and trading commenced on a split-adjusted basis at market open on August 8, 2024. As a result of the stock split, all applicable share, per share, and equity award information has been retroactively adjusted in the Consolidated Financial Statements and Notes to Consolidated Financial Statements to reflect the stock split for all periods presented. The Consolidated Financial Statements and Notes to Consolidated Financial Statements are presented as required by the United States Securities and Exchange Commission (“SEC”) and do not contain certain information included in the Company’s annual financial statements and notes. These financial statements should be read in conjunction with the Company’s audited financial statements and the notes thereto filed with the SEC in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024. There have been no significant changes in the Company’s accounting policies since December 31, 2024, except as discussed below in (b) Digital Assets related to ASU 2023-08. The accompanying Consolidated Financial Statements include the accounts of the Company and its subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation.
Digital Assets | (b) Digital Assets In December 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update No. 2023-08, Intangibles—Goodwill and Other—Crypto Assets (Subtopic 350-60): Accounting for and Disclosure of Crypto Assets (“ASU 2023-08”). ASU 2023-08 requires in-scope crypto assets (including the Company's bitcoin holdings) to be measured at fair value in the statement of financial position, with gains and losses from changes in the fair value of such crypto assets recognized in net income each reporting period. ASU 2023-08 also requires certain interim and annual disclosures for crypto assets within the scope of the standard. The Company adopted this guidance effective January 1, 2025 on a prospective basis, with a cumulative-effect adjustment to the opening balance of retained earnings. Prior periods were not restated. As a result, the Company’s financial results for the three and nine months ended September 30, 2025 are not directly comparable to the financial results for earlier periods. See Note 3, Digital Assets, to the Consolidated Financial Statements, for further information. The adoption of ASU 2023-08 resulted in the following impacts as of January 1, 2025:
|  | December 31, 2024 |  |  | Effect of the Adoption |  |  | January 1, 2025 |
Consolidated Balance Sheet |  | As Reported |  |  | of ASU 2023-08 |  |  | As Adjusted |
Digital assets |  | $ | 23,909,373 |  |  | $ | 17,881,048 |  |  | $ | 41,790,421 |
Deferred tax assets |  |  | 1,525,307 |  |  |  | (1,165,605 | ) |  |  | 359,702 |
Deferred tax liabilities |  |  | 407 |  |  |  | 3,969,065 |  |  |  | 3,969,472 |
(Accumulated deficit) retained earnings |  |  | (2,166,876 | ) |  |  | 12,746,378 |  |  |  | 10,579,502 |
Although the Company continues to initially record its bitcoin purchases at cost, subsequent to the Company’s adoption of ASU 2023-08 on January 1, 2025, any increases or decreases in fair value are recognized as incurred in the Company's Consolidated Statements of Operations, and the fair value of the Company’s bitcoin is reflected within the Company's Consolidated Balance Sheets each reporting period-end. As a result of the adoption of ASU 2023-08, the Company no longer accounts for its bitcoin under a cost-less-impairment accounting model and no longer establishes a deferred tax asset related to bitcoin impairment losses. Instead, the Company establishes a deferred tax liability if the market value of bitcoin at the reporting date is greater than the average cost basis of the Company’s bitcoin holdings at such reporting date, and any subsequent increases or decreases in the market value of bitcoin increases or decreases the deferred tax liability. In determining the gain (loss) to be recognized upon sale, the Company calculates the difference between the sales price and carrying value of the specific bitcoin sold immediately prior to sale. The U.S. enacted the Inflation Reduction Act of 2022 (“IRA”) in August 2022. Among other things, unless an exemption by statute or regulation applies, a provision of the IRA would impose a 15% corporate alternative minimum tax (“CAMT”) on a corporation with respect to an initial tax year and subsequent tax years, if the average annual adjusted financial statement income (“AFSI”) for any consecutive three-tax-year period preceding the initial tax year exceeds $1 billion. On September 12, 2024, the Department of the Treasury (the “Treasury”) and the Internal Revenue Service (the “IRS”) issued proposed regulations with respect to the application of the CAMT. Following the Company’s adoption of ASU 2023-08, the Company previously disclosed that, given the magnitude of the unrealized gain on its digital assets as of June 30, 2025, the Company expected that it would become subject to CAMT in the tax years beginning in 2026 and beyond. On September 30, 2025, the Treasury and the IRS issued interim guidance (the “Interim Guidance”) which, in relevant part, clarifies that a corporation may disregard unrealized gains and losses on its digital asset holdings when computing AFSI for purposes of determining whether it is subject to the 15% CAMT under the IRA. The Treasury and IRS intend to issue revised proposed regulations similar to this Interim Guidance. Pursuant to the Interim Guidance, the Company plans to exclude its unrealized gains and losses on its bitcoin holdings from the calculation of its AFSI for purposes of determining whether it is subject to CAMT. As a result, the Company no longer expects to become subject to CAMT due to unrealized gains on its bitcoin holdings. The Company accounts for its digital assets, which are comprised solely of bitcoin, as indefinite-lived intangible assets in accordance with ASC 350, Intangibles—Goodwill and Other and ASU 2023-08. The Company’s digital assets are initially recorded at cost. Subsequent to the Company’s adoption of ASU 2023-08 on January 1, 2025, bitcoin assets are measured at fair value as of each reporting period. The Company determines the fair value of its bitcoin in accordance with ASC 820, Fair Value Measurement, based on quoted (unadjusted) prices on the Coinbase exchange, the active exchange that the Company has determined is its principal market for bitcoin (Level 1 inputs). Changes in fair value are recognized as incurred in the Company's Consolidated Statements of Operations, within “Unrealized gain on digital assets”, within operating expenses in the Company’s Consolidated Statement of Operations. Prior to the adoption of ASU 2023-08, the Company’s digital assets were initially recorded at cost, and subsequently measured at cost, net of any impairment losses incurred since acquisition. Impairment losses were recognized as “Digital asset impairment losses” in the Company’s Consolidated Statement of Operations in the period in which the impairment occurred. Gains (if any) were not recorded until realized upon sale, at which point they were presented net of any impairment losses in the Company’s Consolidated Statements of Operations.
Redeemable Preferred Stock | (c) Redeemable Preferred Stock As of September 30, 2025, the following series of preferred stock of the Company were outstanding: (i) 10.00% Series A Perpetual Strife Preferred Stock (“STRF Stock”), (ii) Variable Rate Series A Perpetual Stretch Preferred Stock (“STRC Stock”), (iii) 8.00% Series A Perpetual Strike Preferred Stock (“STRK Stock”), and (iv) 10.00% Series A Perpetual Stride Preferred Stock (“STRD Stock”). In these Notes to Consolidated Financial Statements, STRF Stock, STRC Stock, STRK Stock and STRD Stock are collectively referred to as “Preferred Stock.” In accordance with Accounting Standards Codification (“ASC”) 480, Distinguishing Liabilities from Equity, each series of Preferred Stock outstanding as of September 30, 2025 is classified within mezzanine equity, as certain events that could cause shares of each such series of Preferred Stock to become redeemable are not solely within the control of the Company. In each case, the shares are initially recognized based on proceeds received, net of issuance costs, and are not accreted to their redemption value unless it becomes probable that the shares will become redeemable. Refer to Note 9, Redeemable Preferred Stock and Note 14, Subsequent Events for further discussion.
Segment Reporting | (d) Segment Reporting The Company has adopted ASU 2023-07 Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures (“ASU 2023-07”) for the year ended December 31, 2024, and for interim periods beginning January 1, 2025 as reflected in Note 12, Segment Information, to the Consolidated Financial Statements, including retroactive application to all prior periods presented. Refer to Note 3, Recent Accounting Pronouncements in the Company’s financial statements as of and for the year ended December 31, 2024 for further discussion.
Income Taxes | The Company computes its year-to-date provision for (benefit from) income taxes by applying the estimated annual effective tax rate to year-to-date pretax income or loss and adjusts the provision for (benefit from) income taxes for discrete tax items recorded in the period. The estimated effective tax rate is subject to fluctuation based on the level and mix of earnings and losses by tax jurisdiction, foreign tax rate differentials, and the relative impact of permanent book to tax differences. Each quarter, a cumulative adjustment is recorded for any fluctuations in the estimated annual effective tax rate as compared to the prior quarter.
Basic and Diluted Earnings per Share | The impact from potential shares of common stock on the diluted earnings per common share calculation are included when dilutive. Potential shares of class A common stock issuable upon the exercise of outstanding stock options, the vestin g of restricted stock units and performance stock units considered probable of achievement, and in connection with the 2021 ESPP are computed using the treasury stock method. Potential shares of class A common stock issuable upon conversion of the Convertible Notes and upon conversion of the STRK Stock are computed using the if-converted method. In computing diluted earnings per common share, the Company first calculates the earnings per incremental share (“EPIS”) for each class of potential shares of common stock and ranks the classes from the most dilutive (i.e., lowest EPIS) to the least dilutive (i.e., highest EPIS). Basic earnings per common share is then adjusted for the effect of each class of shares, in sequence and cumulatively, until a particular class no longer produces further dilution.

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