Summary of Significant Accounting Policies (Policies)	9 Months Ended
Sep. 30, 2026
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying Consolidated Financial Statements of Strategy Inc (“Strategy,” or the “Company”) are unaudited. The Consolidated Financial Statements and Notes to Consolidated Financial Statements are presented as required by the rules and regulations of the United States Securities and Exchange Commission (“SEC”) for interim reporting 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 fiscal year ended December 31, 2025. Certain prior period amounts have been reclassified or aggregated to conform to the current period presentation. These changes did not have a material impact on the Company’s Consolidated Financial Statements and no underlying accounting policies or measurement bases have changed. 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.
Reclassification	Certain prior period amounts have been reclassified or aggregated to conform to the current period presentation. These changes did not have a material impact on the Company’s Consolidated Financial Statements and no underlying accounting policies or measurement bases have changed.
Consolidation	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.
Repurchases of Preferred Stock	Repurchases of Preferred Stock The Company accounts for repurchases of its Preferred Stock (as defined in Note 10, Redeemable Preferred Stock) as extinguishments. The repurchased Preferred Stock is derecognized from mezzanine equity at its net carrying amount, and the difference between the net carrying amount and the consideration paid, is recorded within accumulated deficit and treated as a deemed contribution (or deemed dividend) in determining net income (loss) attributable to common stockholders.
Recent Accounting Standards	Recent Accounting Standards The following Accounting Standards Updates (“ASU”) were issued by the Financial Accounting Standards Board ("FASB") but have not yet been adopted: In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40), which requires further disaggregation of specific expense captions in the notes to consolidated financial statements. The guidance is effective for the Company’s 2027 annual and 2028 interim periods, with early adoption permitted. The Company is currently evaluating the impact of this standard on its disclosures and does not expect the adoption to have a material impact on its consolidated financial statements. In September 2025, the FASB issued ASU 2025-06, Intangibles: Goodwill and Other‒Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software (ASU 2025-06). Upon adoption, the Company will be required to account for internal-use software under the updated capitalization criteria. The standard is effective for the Company's interim and annual 2028 periods, with early adoption permitted. The standard can be applied either prospectively, retrospectively, or under a modified transition approach. The Company is currently evaluating the impact of this standard on its consolidated financial statements as well as its method of adoption.
Digital Assets	The Company accounts for its digital assets, which are comprised solely of bitcoin, as indefinite-lived intangible assets in accordance with Accounting Standards Codification ("ASC") 350, Intangibles—Goodwill and Other, and ASU 2023-08, Intangibles—Goodwill and Other—Crypto Assets. 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 and gains or losses on sales are recognized in net income within “(Gain) loss on digital assets” within operating expenses in the Company’s Consolidated Statements of Operations.

Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2026

The accompanying Consolidated Financial Statements of Strategy Inc (“Strategy,” or the “Company”) are unaudited.

The Consolidated Financial Statements and Notes to Consolidated Financial Statements are presented as required by the rules and regulations of the United States Securities and Exchange Commission (“SEC”) for interim reporting 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 fiscal year ended December 31, 2025.

Certain prior period amounts have been reclassified or aggregated to conform to the current period presentation. These changes did not have a material impact on the Company’s Consolidated Financial Statements and no underlying accounting policies or measurement bases have changed.

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.

Reclassification

Consolidation

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.

Repurchases of Preferred Stock

The Company accounts for repurchases of its Preferred Stock (as defined in Note 10, Redeemable Preferred Stock) as extinguishments. The repurchased Preferred Stock is derecognized from mezzanine equity at its net carrying amount, and the difference between the net carrying amount and the consideration paid, is recorded within accumulated deficit and treated as a deemed contribution (or deemed dividend) in determining net income (loss) attributable to common stockholders.

Recent Accounting Standards

The following Accounting Standards Updates (“ASU”) were issued by the Financial Accounting Standards Board ("FASB") but have not yet been adopted:

In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40), which requires further disaggregation of specific expense captions in the notes to consolidated financial statements. The guidance is effective for the Company’s 2027 annual and 2028 interim periods, with early adoption permitted. The Company is currently evaluating the impact of this standard on its disclosures and does not expect the adoption to have a material impact on its consolidated financial statements.

In September 2025, the FASB issued ASU 2025-06, Intangibles: Goodwill and Other‒Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software (ASU 2025-06). Upon adoption, the Company will be required to account for internal-use software under the updated capitalization criteria. The standard is effective for the Company's interim and annual 2028 periods, with early adoption permitted. The standard can be applied either prospectively, retrospectively, or under a modified transition approach. The Company is currently evaluating the impact of this standard on its consolidated financial statements as well as its method of adoption.

Digital Assets

The Company accounts for its digital assets, which are comprised solely of bitcoin, as indefinite-lived intangible assets in accordance with Accounting Standards Codification ("ASC") 350, Intangibles—Goodwill and Other, and ASU 2023-08, Intangibles—Goodwill and Other—Crypto Assets. 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 and gains or losses on sales are recognized in net income within “(Gain) loss on digital assets” within operating expenses in the Company’s Consolidated Statements of Operations.