Mizuho Financial Group Inc 6-K, filed Aug 14, 2026
Mizuho Financial Group Inc (MFG)
About this 6-K
Mizuho Financial Group Inc filed this 6-K on August 14, 2026.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934
For the month of August 2026
Commission File Number 001-33098
Mizuho Financial Group, Inc.
(Translation of registrant’s name into English)
5-5, Otemachi 1-chome
Chiyoda-ku, Tokyo 100-8176
Japan
(Address of principal executive office)
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F. Form 20-F ☒ Form 40-F ☐
THIS REPORT ON FORM 6-K SHALL BE DEEMED TO BE INCORPORATED BY REFERENCE INTO THE PROSPECTUS FORMING A PART OF MIZUHO FINANCIAL GROUP, INC.’S REGISTRATION STATEMENT ON FORM F-3 (FILE NO. 333-282497) AND TO BE A PART OF SUCH PROSPECTUS FROM THE DATE ON WHICH THIS REPORT IS FURNISHED, TO THE EXTENT NOT SUPERSEDED BY DOCUMENTS OR REPORTS SUBSEQUENTLY FILED OR FURNISHED.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
| Date: | August 14, 2026 | |
| Mizuho Financial Group, Inc. | ||
| By: | /s/ Makoto Samejima | |
| Name: | Makoto Samejima | |
| Title: | Senior Managing Corporate Executive / Group CFO | |
August 14, 2026
To whom it may concern:
| Company Name: | Mizuho Financial Group, Inc. | |
| Representative: | Masahiro Kihara, President & CEO | |
| Head Office: | 1-5-5 Otemachi, Chiyoda-ku, Tokyo | |
| Stock Code Number: | 8411 | |
| (Tokyo Stock Exchange (Prime Market)) |
Announcement regarding Capital Ratio as of June 30, 2026
Mizuho Financial Group, Inc. hereby announces Capital Ratio as of June 30, 2026, as shown in the appendix.
Capital Ratio
| Consolidated | (%, Billions of yen) | |||||||||||||||
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| Mizuho Financial Group International Standard |
As of June 30, 2026 |
Change | As of March 31, 2026 |
|||||||||||||
| (1) Total Capital Ratio |
17.74 | 0.13 | 17.61 | |||||||||||||
| (2) Tier 1 Capital Ratio |
15.94 | 0.21 | 15.73 | |||||||||||||
| (3) Common Equity Tier 1 Capital Ratio |
13.51 | 0.35 | 13.16 | |||||||||||||
| (4) Total Capital |
14,590.7 | 337.9 | 14,252.8 | |||||||||||||
| (5) Tier 1 Capital |
13,107.9 | 374.3 | 12,733.5 | |||||||||||||
| (6) Common Equity Tier 1 Capital |
11,110.0 | 459.5 | 10,650.5 | |||||||||||||
| (7) Risk-weighted Assets |
82,213.7 | 1,288.4 | 80,925.3 | |||||||||||||
| (8) Total Required Capital (7)x8% |
6,577.1 | 103.0 | 6,474.0 | |||||||||||||
| Consolidated | Non-Consolidated | |||||||||||||||
| Mizuho Bank International Standard |
As of June 30, 2026 |
Change | As of March 31, 2026 |
As of June 30, 2026 |
||||||||||||
| (1) Total Capital Ratio |
16.56 | 0.18 | 16.38 | 15.39 | ||||||||||||
| (2) Tier 1 Capital Ratio |
14.59 | 0.21 | 14.38 | 13.28 | ||||||||||||
| (3) Common Equity Tier 1 Capital Ratio |
11.95 | 0.38 | 11.57 | 10.45 | ||||||||||||
| (4) Total Capital |
12,546.0 | 384.1 | 12,161.9 | 10,818.4 | ||||||||||||
| (5) Tier 1 Capital |
11,054.9 | 381.8 | 10,673.0 | 9,333.8 | ||||||||||||
| (6) Common Equity Tier 1 Capital |
9,055.8 | 469.0 | 8,586.8 | 7,347.0 | ||||||||||||
| (7) Risk-weighted Assets |
75,754.9 | 1,549.3 | 74,205.5 | 70,274.2 | ||||||||||||
| (8) Total Required Capital (7)x8% |
6,060.3 | 123.9 | 5,936.4 | 5,621.9 | ||||||||||||
| Consolidated | Non-Consolidated | |||||||||||||||
| Mizuho Trust & Banking Domestic Standard |
As of June 30, 2026 |
Change | As of March 31, 2026 |
As of June 30, 2026 |
||||||||||||
| (1) Capital Ratio |
31.05 | 1.77 | 29.28 | 30.78 | ||||||||||||
| (2) Core Capital |
444.7 | 8.3 | 436.4 | 424.8 | ||||||||||||
| (3) Risk-weighted Assets |
1,432.0 | (58.0 | ) | 1,490.0 | 1,380.0 | |||||||||||
| (4) Total Required Capital (3)x4% |
57.2 | (2.3 | ) | 59.6 | 55.2 | |||||||||||
| Consolidated | Non-Consolidated | |||||||||||||||
| Mizuho Trust & Banking International Standard (Reference) |
As of June 30, 2026 |
Change | As of March 31, 2026 |
As of June 30, 2026 |
||||||||||||
| (1) Total Capital Ratio |
33.98 | 1.66 | 32.32 | 33.81 | ||||||||||||
| (2) Tier 1 Capital Ratio |
33.92 | 1.67 | 32.25 | 33.75 | ||||||||||||
| (3) Common Equity Tier 1 Capital Ratio |
33.92 | 1.68 | 32.24 | 33.75 | ||||||||||||