0001050446 mstr:M800SeriesAPerpetualStrikePreferredStock0001ParValuePerShareMember 2026-02-23 2026-02-23 0001050446 2026-02-23 2026-02-23 0001050446 mstr:VariableRateSeriesAPerpetualStretchPreferredStock0001ParValuePerShareMember 2026-02-23 2026-02-23 0001050446 us-gaap:CommonStockMember 2026-02-23 2026-02-23 0001050446 mstr:M1000SeriesAPerpetualStridePreferredStock0001ParValuePerShareMember 2026-02-23 2026-02-23 0001050446 2026-10-28 2026-10-28 0001050446 mstr:M1000SeriesAPerpetualStrifePreferredStock0001ParValuePerShareMember 2026-02-23 2026-02-23 false 0001050446 8-K 2026-10-28 STRATEGY INC DE 001-42509 51-0323571 1850 Towers Crescent Plaza Tysons Corner VA 22182 (703) 848-8600 false false false false 10.00% Series A Perpetual Strife Preferred Stock, $0.001 par value per share STRF NASDAQ Variable Rate Series A Perpetual Stretch Preferred Stock, $0.001 par value per share STRC NASDAQ 8.00% Series A Perpetual Strike Preferred Stock, $0.001 par value per share STRK NASDAQ 10.00% Series A Perpetual Stride Preferred Stock, $0.001 par value per share STRD NASDAQ Class A Common Stock, $0.001 par value per share MSTR NASDAQ false