Strategy Inc (MSTR) Institutional Ownership

Ownership Summary

Strategy Inc (NASDAQ:MSTR) is held by 1,034 institutional investors per 13F filings through December 2025.

• Collectively, these holders controlled 55.5% of Strategy's outstanding shares in December 2025, up from 50.3% in September 2025.
• Their total shares held in MSTR increased 12.94% quarter over quarter, and separately, investors owning Strategy increased 6.49% from a year ago.
• Among the 1,034 funds, 577 bought more Strategy shares, 352 sold down, and 105 held their ground.
• Combined, these investors held 175.04Mn shares in MSTR for December 2025, up by 20.06Mn shares quarter on quarter, and up 57.56Mn shares year over year.
• Capital International Investors holds the largest position in MSTR at 31.44Mn shares as of December 31, 2025, or 9.97% of shares outstanding.
• The biggest buyers of Strategy for the quarter ending December 2025 included VANGUARD PORTFOLIO MANAGEMENT LLC (14.74Mn), VANGUARD CAPITAL MANAGEMENT LLC (14.08Mn), Capital International Investors (10.83Mn), BlackRock, Inc. (3.15Mn), Defiance ETFs, LLC (2.88Mn).
• The largest sales of MSTR for the quarter ending December 2025 came from Amundi (4.26Mn), Goldman Sachs Group Inc (2.87Mn), Royal Bank Of Canada (816.97K), JANE STREET GROUP, LLC (741.35K), Clear Street Group Inc. (687.58K).
• Strategy's 10 largest shareholders as of December 2025 include Capital International Investors (31.44Mn), BlackRock, Inc. (17.75Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (14.74Mn), VANGUARD CAPITAL MANAGEMENT LLC (14.08Mn), Morgan Stanley (9.29Mn), Capital Research Global Investors (7.62Mn), State Street Corp (7.02Mn), UBS Group AG (6.31Mn), GEODE CAPITAL MANAGEMENT, LLC (4.66Mn), Capital World Investors (4.28Mn) per Business Quant data.