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Basic and Diluted Loss per Common Share - Computation of Basic and Diluted (Loss) Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Numerator: |  |  |  |  |  |  |  |  |
Net Income (Loss) |  | $ 2,785,024 | $ 10,020,846 | $ (4,217,370) | $ (340,174) | $ (102,559) | $ (53,118) | $ 8,588,500 | $ (495,851)
Dividends on preferred stock |  | (139,898) |  |  | 0 |  |  | (198,040) | 0
Net income (loss) attributable to common stockholders of Strategy - Basic |  | 2,645,126 |  |  | (340,174) |  |  | 8,390,460 | (495,851)
Effect of dilutive shares on net income (loss): |  |  |  |  |  |  |  |  |
Net income (loss) - Diluted |  | $ 2,655,838 |  |  | $ (340,174) |  |  | $ 8,422,442 | $ (495,851)
Denominator: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Basic |  | 284,376 |  |  | 197,273 |  |  | 272,143 | 182,695
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 315,393 |  |  | 197,273 |  |  | 303,986 | 182,695
Income (loss) per share: |  |  |  |  |  |  |  |  |
Basic income (loss) per share | [1] | $ 9.3 |  |  | $ (1.72) |  |  | $ 30.83 | $ (2.71)
Diluted income (loss) per share (1) | [1] | $ 8.42 |  |  | $ (1.72) |  |  | $ 27.71 | $ (2.71)
Employee Stock Option |  |  |  |  |  |  |  |  |
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 3,419 |  |  | 0 |  |  | 3,704 | 0
RSU |  |  |  |  |  |  |  |  |
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 655 |  |  | 0 |  |  | 769 | 0
Performance stock units |  |  |  |  |  |  |  |  |
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 503 |  |  | 0 |  |  | 508 | 0
Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 0 |  |  | 0 |  |  | 2 | 0
2027 Convertible Notes |  |  |  |  |  |  |  |  |
Effect of dilutive shares on net income (loss): |  |  |  |  |  |  |  |  |
Interest expense, net of tax |  | $ 0 |  |  | $ 0 |  |  | $ 286 | $ 0
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 0 |  |  | 0 |  |  | 1,315 | 0
2028 Convertible Notes |  |  |  |  |  |  |  |  |
Effect of dilutive shares on net income (loss): |  |  |  |  |  |  |  |  |
Interest expense, net of tax |  | $ 1,871 |  |  | $ 0 |  |  | $ 5,626 | $ 0
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 5,513 |  |  | 0 |  |  | 5,513 | 0
2029 Convertible Notes |  |  |  |  |  |  |  |  |
Effect of dilutive shares on net income (loss): |  |  |  |  |  |  |  |  |
Interest expense, net of tax |  | $ 1,296 |  |  | $ 0 |  |  | $ 3,899 | $ 0
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 4,462 |  |  | 0 |  |  | 4,462 | 0
2030A Convertible Notes |  |  |  |  |  |  |  |  |
Effect of dilutive shares on net income (loss): |  |  |  |  |  |  |  |  |
Interest expense, net of tax |  | $ 1,592 |  |  | $ 0 |  |  | $ 4,786 | $ 0
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 5,342 |  |  | 0 |  |  | 5,342 | 0
2030B Convertible Notes |  |  |  |  |  |  |  |  |
Effect of dilutive shares on net income (loss): |  |  |  |  |  |  |  |  |
Interest expense, net of tax |  | $ 890 |  |  | $ 0 |  |  | $ 2,154 | $ 0
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 4,614 |  |  | 0 |  |  | 3,719 | 0
2031 Convertible Notes |  |  |  |  |  |  |  |  |
Effect of dilutive shares on net income (loss): |  |  |  |  |  |  |  |  |
Interest expense, net of tax |  | $ 1,378 |  |  | $ 0 |  |  | $ 4,145 | $ 0
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 2,594 |  |  | 0 |  |  | 2,594 | 0
2032 Convertible Notes |  |  |  |  |  |  |  |  |
Effect of dilutive shares on net income (loss): |  |  |  |  |  |  |  |  |
Interest expense, net of tax |  | $ 3,685 |  |  | $ 0 |  |  | $ 11,086 | $ 0
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 3,915 |  |  | 0 |  |  | 3,915 | 0
Class A |  |  |  |  |  |  |  |  |
Denominator: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Basic |  | 264,736 |  |  | 177,633 |  |  | 252,503 | 163,055
Class B |  |  |  |  |  |  |  |  |
Denominator: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Basic |  | 19,640 |  |  | 19,640 |  |  | 19,640 | 19,640
Convertible preferred stock |  |  |  |  |  |  |  |  |
Effect of dilutive shares on weighted average common shares outstanding: |  |  |  |  |  |  |  |  |
Total weighted average shares of common stock outstanding - Diluted |  | 0 |  |  | 0 |  |  |  | 0
STRK Stock |  |  |  |  |  |  |  |  |
Effect of dilutive shares on net income (loss): |  |  |  |  |  |  |  |  |
Dividends on STRK Stock |  | $ 0 |  |  | $ 0 |  |  | $ 0 | $ 0
[1] | Basic and fully diluted earnings per common share for class A and class B common stock are the same.

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