Mizuho Financial MFG Institutional Ownership

Updated Oct 21, 2026

Mizuho Financial Group Inc (NYSE:MFG) appeared in the 13F filings of 460 institutional investors for the quarter ended June 30, 2026.

• These investors held 21.84% of Mizuho Financial's outstanding shares at the end of Q2 2026, up from 20.46% in Q1 2026.
• Total shares held in Mizuho Financial rose 6.75% versus Q1 2026, while the number of holders rose 42.86% versus Q2 2025.
• Among the 460 holders of Mizuho Financial, 321 added to their positions, 77 reduced their stakes and 62 left their positions unchanged.
• Altogether, institutional holders owned 271.84Mn MFG shares at the end of Q2 2026, up 17.19Mn from the prior quarter and up 123.1Mn from a year earlier.
• As of June 30, 2026, the biggest holder of Mizuho Financial was Morgan Stanley with 60.95Mn shares, or 4.90% of shares outstanding.
• The largest position increases in MFG for Q2 2026 were by FMR LLC (+4.42Mn shares), Artemis Investment Management LLP (+4.02Mn shares), Quantinno Capital Management LP (+1.63Mn shares), Jones Financial Companies LLLP (+1.45Mn shares) and AQR Capital Management LLC (+1.38Mn shares).
• The biggest cuts to MFG positions during Q2 2026 came from Toronto Dominion Bank (-2.33Mn shares), Renaissance Technologies LLC (-1.98Mn shares), Qube Research & Technologies Ltd (-1.28Mn shares), BNP Paribas Financial Markets (-305.22K shares) and Lazard Asset Management LLC (-280.71K shares).
• Business Quant data shows the 10 biggest positions in Mizuho Financial as of Q2 2026 were held by Morgan Stanley (60.95Mn shares), FMR LLC (28.05Mn shares), Natixis Advisors, LLC (17.79Mn shares), Jones Financial Companies LLLP (16.83Mn shares), Goldman Sachs Group Inc (16.78Mn shares), Bank of America Corp (16.72Mn shares), BlackRock, Inc. (13.52Mn shares), Northern Trust Corp (10.63Mn shares), CIBC Bancorp USA Inc. (8.23Mn shares) and American Century Companies Inc (5.69Mn shares).