Mizuho Financial Group Inc.
Ownership
Ownership Structure
Who owns Mizuho Financial Group Inc. (MFG)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.9% of the shares are freely tradable; institutional investors hold 2.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Morgan Stanley - Brokerage Accounts | 0.50 | 60,949,488 | +1.9 | 06/30/2026 |
| FMR Inc | 0.23 | 28,048,752 | +18.7 | 06/30/2026 |
| Natixis Advisors, LLC. | 0.15 | 17,787,274 | +8.3 | 06/30/2026 |
| JONES FINANCIAL COMPANIES LLLP | 0.14 | 16,833,587 | +9.4 | 06/30/2026 |
| The Goldman Sachs Group Inc | 0.14 | 16,781,783 | +6.8 | 06/30/2026 |
| Bank of America Corp | 0.14 | 16,718,717 | +8.2 | 06/30/2026 |
| BlackRock Inc | 0.11 | 13,523,218 | +2.3 | 06/30/2026 |
| Northern Trust Corp | 0.09 | 10,633,824 | +0.5 | 06/30/2026 |
| CIBC Bancorp USA Inc. | 0.07 | 8,233,388 | -3.1 | 06/30/2026 |
| American Century Companies Inc | 0.05 | 5,693,411 | +5.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 12, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.