Mizuho Financial MFG
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: −$3.21M (12 inflow days, 8 outflow days).
Net flow by order size, last 20 sessions
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 23.8% of shares outstanding.
Largest holders
By investor type
Reported short interest has held roughly steady near 0.09% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Goldman Sachs Asset Management, L.P. | Mutual Fund | 2026/Q3 | +2,242,415 | 0.4% |
| Franklin Resources | Mutual Fund | 2026/Q3 | +26,495,910 | 0.4% |
| Capital Research | Mutual Fund | 2026/Q3 | +11,635,500 | 1.9% |
| J.P. Morgan Asset Management, Inc. | Mutual Fund | 2026/Q3 | +8,099,515 | 0.6% |
| Invesco Capital Management LLC | Mutual Fund | 2026/Q3 | +5,612,990 | 0.1% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +4,366,770 | 3.8% |
| Artemis Investment Management LLP | Mutual Fund | 2026/Q3 | +3,406,700 | 0.1% |
| WCM Investment Management | Mutual Fund | 2026/Q3 | +3,169,000 | 0.1% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +3,130,500 | 3.8% |
| Goldman Sachs Asset Management, L.P. | Mutual Fund | 2026/Q3 | +2,217,525 | 0.3% |
| Putnam LLC | Mutual Fund | 2026/Q3 | +1,964,500 | 0.0% |
| Barclays PLC | Public Company | 2026/Q3 | +84,356,180 | 0.0% |
| Strategic Advisers LLC | Mutual Fund | 2026/Q3 | +2,517,105 | 0.6% |
| RBC Global Asset Management Inc. | Mutual Fund | 2026/Q3 | +12,071,560 | 0.1% |
| Deutsche Asset & Wealth Management | Mutual Fund | 2026/Q3 | +10,243,955 | 0.5% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 23 Jul 2026 | Takeshi Koyama | Other Derivative Acquisition | +500 | – | 500 | |
| 23 Jul 2026 | Takeshi Koyama | Other Derivative Acquisition | +881 | – | 881 | |
| 23 Jul 2026 | Hiromichi Shinohara | Independent Outside Director | Other Derivative Acquisition | +490 | – | 3,560 |
| 23 Jul 2026 | Takashi Tsukioka | Independent Outside Director | Other Derivative Acquisition | +490 | – | 6,820 |
| 23 Jul 2026 | Keiji Kojima | Independent Outside Director | Other Derivative Acquisition | +490 | – | 490 |
| 23 Jul 2026 | Takakazu Uchida | Independent Outside Director | Other Derivative Acquisition | +490 | – | 2,140 |
| 23 Jul 2026 | Tatsuya Kurosawa | Senior Managing Corporate Executive & Group Chief Governance Officer | Other Derivative Acquisition | +520 | – | 1,280 |
| 23 Jul 2026 | Tatsuya Kurosawa | Senior Managing Corporate Executive & Group Chief Governance Officer | Other Derivative Acquisition | +3,513 | – | 3,513 |
| 23 Jul 2026 | Hidekatsu Take | Chairperson | Other Derivative Acquisition | +670 | – | 27,124 |
| 23 Jul 2026 | Hidekatsu Take | Chairperson | Other Derivative Acquisition | +6,863 | – | 6,863 |
| 23 Jul 2026 | Masayuki Sugawara | Dpty. Pres., Corp. Exe., Head of Domestic Wholesale Bus.,Head of Corp. & Inv. Banking Co. | Other Derivative Acquisition | +840 | – | 24,688 |
| 23 Jul 2026 | Masayuki Sugawara | Dpty. Pres., Corp. Exe., Head of Domestic Wholesale Bus.,Head of Corp. & Inv. Banking Co. | Other Derivative Acquisition | +6,370 | – | 6,370 |
| 23 Jul 2026 | Masahiro Kihara | President, Group CEO, Representative Corporate Executive & Executive Director | Other Derivative Acquisition | +1,680 | – | 44,774 |
| 23 Jul 2026 | Masahiro Kihara | President, Group CEO, Representative Corporate Executive & Executive Director | Other Derivative Acquisition | +15,391 | – | 15,391 |
| 23 Jul 2026 | Kotaro Ohno | Independent Outside Director | Other Derivative Acquisition | +490 | – | 3,560 |
| 23 Jul 2026 | Shuji Matsuura | Senior Managing Executive, Head of Global Corporate & Investment Banking | Other Derivative Acquisition | +610 | – | 18,118 |
| 23 Jul 2026 | Shuji Matsuura | Senior Managing Executive, Head of Global Corporate & Investment Banking | Other Derivative Acquisition | +3,680 | – | 3,680 |
| 23 Jul 2026 | Naoshi Inomata | Sr. Mang. Corp. Exe., Grp Chf Strat Off., Hd of Domst Retl Bus.,Co-Hd of Retl & Bus. Bnkng Comp. | Other Derivative Acquisition | +790 | – | 22,738 |
| 23 Jul 2026 | Naoshi Inomata | Sr. Mang. Corp. Exe., Grp Chf Strat Off., Hd of Domst Retl Bus.,Co-Hd of Retl & Bus. Bnkng Comp. | Other Derivative Acquisition | +4,445 | – | 4,445 |
| 23 Jul 2026 | Nobuhiro Kaminoyama | Senior Managing Corporate Executive & Group Chief Digital Transformation Officer | Other Derivative Acquisition | +610 | – | 19,950 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 10,621,779 | 0.1% | 3.2 |
| 30 Sep 2026 | 10,608,612 | 0.1% | 3.4 |
| 15 Sep 2026 | 8,772,957 | 0.1% | 2.4 |
| 31 Aug 2026 | 7,405,924 | 0.1% | 2.6 |
| 14 Aug 2026 | 7,991,755 | 0.1% | 2.8 |
| 31 Jul 2026 | 11,795,198 | 0.1% | 2.8 |
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