Mizuho Financial Group Inc (MZHOF) shareholders
MZHOFOTCNational Commercial BanksAlso trades as MFG
$52.83+2.85 (+5.70%)
Close on Oct 19, 2026Market cap $12.03BP/E 1.6Yield 19.14%
Ownership
Who owns Mizuho Financial's shares
Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 194,458,382 | 7.70% | 13G (passive) amendment | Dec 31, 2023 |
| Sumitomo Mitsui Trust Holdings, Inc. | 145,772,939 | 5.70% | 13G (passive) amendment | Dec 31, 2023 |
| Mizuho Financial Group, Inc. | 505,896 | 7.36% | 13G (passive) | Sep 30, 2024 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| Makoto Samejima | See Remarks, Director | 4,211 | Jul 28, 2026 |
| Fusae Akamatsu | See Remarks, Director | 466 | Jul 28, 2026 |
| Shiro Shiraishi | See Remarks, Director | 8,340 | Jul 28, 2026 |
| Masahiro Kihara | See Remarks, Director | 52,423 | Jul 28, 2026 |
| Mitsuhiro Kanazawa | Chief Information Officer, Director | 12,122 | Mar 18, 2026 |
| Hideki Tsujimori | See Remarks | 3,699 | Jul 28, 2026 |
| Shuji Matsuura | See Remarks | 16,196 | Jul 28, 2026 |
| Naoshi Inomata | See Remarks | 23,034 | Jul 28, 2026 |
| Takefumi Yonezawa | See Remarks | 7,292 | Jul 28, 2026 |
| Masayuki Sugawara | See Remarks | 33,392 | Jul 28, 2026 |
| Shinichiro Hihara | See Remarks | 7,826 | Jul 28, 2026 |
| Minori Komatsu | See Remarks | 395 | Jul 28, 2026 |
| Natsumi Akita | See Remarks | 10,718 | Jul 28, 2026 |
| Minako Yagi | See Remarks | 6,462 | Jul 28, 2026 |
| Tatsuya Kurosawa | See Remarks | 5,072 | Jul 28, 2026 |
| Takeshi Koyama | See Remarks | 17,912 | Jul 28, 2026 |
| Nobuhiro Kaminoyama | See Remarks | 19,968 | Jul 28, 2026 |
| Kazutoshi Isogai | See Remarks | 5,610 | Mar 18, 2026 |
| Hisashi Kikuchi | Chief Audit Executive | 30,608 | Mar 18, 2026 |
| Noriyuki Sato | See Remarks | 1,156 | Mar 18, 2026 |
| Takashi Tsukioka | Director | 2,614 | Jul 28, 2026 |
| Yuki Kanzaki | Director | – | Jul 28, 2026 |
| Takakazu Uchida | Director | 1,641 | Jul 28, 2026 |
| Hiromichi Shinohara | Director | – | Jul 28, 2026 |
| Keiji Kojima | Director | – | Jul 28, 2026 |
| Kotaro Ohno | Director | – | Jul 28, 2026 |
| Masahiko Tezuka | Director | 985 | Jul 28, 2026 |
| Makoto Hitomi | Director | 5,156 | Jul 28, 2026 |
| Hidekatsu Take | Director | 33,269 | Jul 28, 2026 |
| Yumiko Noda | Director | – | Jul 28, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Takefumi Yonezawa See Remarks | Jul 1, 2026 | Option exercise | +3,069 | – | – | 6,472 |
| Takefumi Yonezawa See Remarks | Jul 1, 2026 | Returned to company | −1,228 | $59140.78 | $72.62M | 5,244 |
| Masayuki Sugawara See Remarks | Jul 1, 2026 | Returned to company | −2,114 | $101810.76 | $215.23M | 26,143 |
| Masayuki Sugawara See Remarks | Jul 1, 2026 | Option exercise | +5,281 | – | – | 28,257 |
| Shinichiro Hihara See Remarks | Jul 1, 2026 | Returned to company | −1,038 | $49990.33 | $51.89M | 6,805 |
| Shinichiro Hihara See Remarks | Jul 1, 2026 | Option exercise | +2,595 | – | – | 7,843 |
| Shiro Shiraishi See Remarks, Director | Jul 1, 2026 | Returned to company | −526 | $25332.29 | $13.32M | 8,340 |
| Shiro Shiraishi See Remarks, Director | Jul 1, 2026 | Option exercise | +1,315 | – | – | 8,866 |
| Minako Yagi See Remarks | Jul 1, 2026 | Returned to company | −1,228 | $59140.78 | $72.62M | 5,234 |
| Minako Yagi See Remarks | Jul 1, 2026 | Option exercise | +3,069 | – | – | 6,462 |
| Naoshi Inomata See Remarks | Jul 1, 2026 | Option exercise | +6,261 | – | – | 23,034 |
| Naoshi Inomata See Remarks | Jul 1, 2026 | Returned to company | −2,505 | $120641.41 | $302.21M | 20,529 |
| Masahiro Kihara See Remarks, Director | Jul 1, 2026 | Option exercise | +20,474 | – | – | 52,423 |
| Masahiro Kihara See Remarks, Director | Jul 1, 2026 | Returned to company | −8,190 | $394432.41 | $3.23B | 44,233 |
| Makoto Hitomi Director | Jul 1, 2026 | Returned to company | −445 | $21431.31 | $9.54M | 4,537 |
| Makoto Hitomi Director | Jul 1, 2026 | Option exercise | +1,112 | – | – | 4,982 |
| Hideki Tsujimori See Remarks | Jul 1, 2026 | Returned to company | −526 | $25332.29 | $13.32M | 3,152 |
| Hideki Tsujimori See Remarks | Jul 1, 2026 | Option exercise | +1,315 | – | – | 3,678 |
| Natsumi Akita See Remarks | Jul 1, 2026 | Returned to company | −1,805 | $86929.24 | $156.91M | 5,303 |
| Natsumi Akita See Remarks | Jul 1, 2026 | Option exercise | +4,512 | – | – | 7,108 |
| Nobuhiro Kaminoyama See Remarks | Jul 1, 2026 | Returned to company | −2,422 | $116644.11 | $282.51M | 17,354 |
| Nobuhiro Kaminoyama See Remarks | Jul 1, 2026 | Option exercise | +6,054 | – | – | 19,776 |
| Hidekatsu Take Director | Jul 1, 2026 | Returned to company | −2,642 | $127239.37 | $336.17M | 26,173 |
| Hidekatsu Take Director | Jul 1, 2026 | Option exercise | +6,604 | – | – | 28,815 |
| Shuji Matsuura See Remarks | Jul 1, 2026 | Option exercise | +3,995 | – | – | 16,196 |
| Shuji Matsuura See Remarks | Jul 1, 2026 | Returned to company | −1,598 | $76960.07 | $122.98M | 14,598 |
| Minori Komatsu See Remarks | Jun 1, 2026 | Returned to company | −264 | $11910.34 | $3.14M | 395 |
| Minori Komatsu See Remarks | Jun 1, 2026 | Option exercise | +659 | – | – | 659 |
| Makoto Samejima Group Chief Financial Officer | Jun 1, 2026 | Returned to company | −682 | $30768.37 | $20.98M | 4,211 |
| Makoto Samejima Group Chief Financial Officer | Jun 1, 2026 | Option exercise | +1,703 | – | – | 4,893 |
| Takeshi Koyama Group Chief Strategy Officer | Jun 1, 2026 | Option exercise | +1,048 | – | – | 10,032 |
| Takeshi Koyama Group Chief Strategy Officer | Jun 1, 2026 | Returned to company | −420 | $18948.26 | $7.96M | 9,612 |
| Fusae Akamatsu Group Chief Compliance Officer | Jun 1, 2026 | Returned to company | −312 | $14075.85 | $4.39M | 466 |
| Fusae Akamatsu Group Chief Compliance Officer | Jun 1, 2026 | Option exercise | +778 | – | – | 778 |
| Tatsuya Kurosawa Group Chief Governance Officer | Jun 1, 2026 | Option exercise | +719 | – | – | 4,824 |
| Tatsuya Kurosawa Group Chief Governance Officer | Jun 1, 2026 | Returned to company | −288 | $12993.09 | $3.74M | 4,536 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 15, 2026 (FINRA, reported twice a month)
Short % of shares outstanding
–
3M shares short
Days to cover
341.5
At 0M shares a day
Change since last report
+94.8%
From 2M shares
Short volume, 0 days
–
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Mizuho Financial's stock actually held short. No settlement fails above the SEC's reporting threshold in the last 90 days.