Mannkind MNKD Institutional Ownership

Updated Oct 11, 2026

Mannkind Corp (NASDAQ:MNKD) was reported as a holding by 254 institutional investors in 13F filings for the quarter ended June 30, 2026.

• These investors held 58.62% of Mannkind's outstanding shares at the end of Q2 2026, up from 57.21% in Q1 2026.
• Total holdings of Mannkind shares rose 2.80% from Q1 2026, and the number of holders rose 11.40% from Q2 2025.
• Of these 254 holders, 145 added to their positions, 63 reduced their stakes and 46 left their positions unchanged.
• The aggregate institutional position in Mannkind was 181.66Mn shares at the end of Q2 2026, up 4.94Mn from the prior quarter and up 17.35Mn from a year earlier.
• BlackRock, Inc. led 13F holders of MNKD with 32.13Mn shares as of June 30, 2026, or 10.37% of shares outstanding.
• Among holders that already owned Mannkind, the biggest buyers in Q2 2026 were Rubric Capital Management LP (+14.38Mn shares), Wellington Management Group LLP (+4.56Mn shares), BlackRock, Inc. (+3.53Mn shares), AQR Capital Management LLC (+3.36Mn shares) and Frazier Life Sciences Management, L.P. (+700K shares).
• The biggest cuts to MNKD positions during Q2 2026 came from Millennium Management LLC (-5.96Mn shares), UBS Group AG (-5.37Mn shares), Dimensional Fund Advisors LP (-3.86Mn shares), State Street Corp (-2.51Mn shares) and Morgan Stanley (-2.32Mn shares).
• Mannkind's 10 largest institutional shareholders as of Q2 2026 were BlackRock, Inc. (32.13Mn shares), Rubric Capital Management LP (18Mn shares), State Street Corp (16.17Mn shares), Vanguard Capital Management LLC (13.17Mn shares), Geode Capital Management, LLC (7.95Mn shares), Wellington Management Group LLP (7.84Mn shares), Frazier Life Sciences Management, L.P. (6.6Mn shares), Deep Track Capital, LP (6Mn shares), 180 Wealth Advisors, LLC (4.96Mn shares) and FMR LLC (4.1Mn shares), per Business Quant data.