MIZUHO FINANCIAL GROUP INC
Congressional Trades
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
Alan ArmstrongSenate · R · OK |
MFGMIZUHO FINANCIAL GROUP INC · Stock |
Purchase $15,001 - $50,000 |
Jul 21, 2026 | Mar 30, 2026 | Filing ↗ |
Daniel S. GoldmanHouse · D · NY |
MFGMIZUHO FINANCIAL GROUP INC · Stock |
Sale $15,001 - $50,000 |
Aug 13, 2023 | Jul 10, 2023 | Filing ↗ |
Daniel S. GoldmanHouse · D · NY |
MFGMIZUHO FINANCIAL GROUP INC · Stock |
Purchase $1,001 - $15,000 |
Apr 17, 2023 | Mar 31, 2023 | Filing ↗ |
Greg GianforteHouse · R · MT |
MFGMIZUHO FINANCIAL GROUP INC · Stock |
Sale $15,001 - $50,000 |
Dec 2, 2020 | Nov 13, 2020 | Filing ↗ |
Greg GianforteHouse · R · MT |
MFGMIZUHO FINANCIAL GROUP INC · Stock |
Purchase $1,001 - $15,000 |
Apr 7, 2020 | Mar 18, 2020 | Filing ↗ |
Whale Activity
- Increased2
- New0
- Held0
- Decreased2
- Closed0
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 13.5M | $129.6M | increased |
| MILLENNIUM MANAGEMENT LLC | 1.4M | $13.0M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 236.4K | $2.3M | decreased |
| TWO SIGMA INVESTMENTS, LP | 16.4K | $157K | decreased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
No open-market insider buys or sells in the last two years.
Recent Insider Transactions
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Kurosawa TatsuyaGroup Chief Governance Officer | Disposition to issuer | −288 | $12993.09 | $3.7M | Jun 1, 2026 | Form 4 ↗ |
| Kurosawa TatsuyaGroup Chief Governance Officer | Option exercise | +719 | $0.00 | $0 | Jun 1, 2026 | Form 4 ↗ |
| Komatsu MinoriSee Remarks | Disposition to issuer | −264 | $11910.34 | $3.1M | Jun 1, 2026 | Form 4 ↗ |
| Komatsu MinoriSee Remarks | Option exercise | +659 | $0.00 | $0 | Jun 1, 2026 | Form 4 ↗ |
| Koyama TakeshiGroup Chief Strategy Officer | Disposition to issuer | −420 | $18948.26 | $8.0M | Jun 1, 2026 | Form 4 ↗ |
| Koyama TakeshiGroup Chief Strategy Officer | Option exercise | +1,048 | $0.00 | $0 | Jun 1, 2026 | Form 4 ↗ |
| Samejima MakotoGroup Chief Financial Officer | Disposition to issuer | −682 | $30768.37 | $21.0M | Jun 1, 2026 | Form 4 ↗ |
| Samejima MakotoGroup Chief Financial Officer | Option exercise | +1,703 | $0.00 | $0 | Jun 1, 2026 | Form 4 ↗ |
| Akamatsu FusaeGroup Chief Compliance Officer | Disposition to issuer | −312 | $14075.85 | $4.4M | Jun 1, 2026 | Form 4 ↗ |
| Akamatsu FusaeGroup Chief Compliance Officer | Option exercise | +778 | $0.00 | $0 | Jun 1, 2026 | Form 4 ↗ |
Fund Holders
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| Avantis International Equity ETF American Century ETF Trust | 4.6M | $41.2M | 0.24% | May 31, 2026 |
| Global Concentrated Portfolio MORGAN STANLEY INSTITUTIONAL FUND INC | 2.8M | $26.3M | 6.33% | Jun 30, 2026 |
| Invesco International Dividend AchieversTM ETF Invesco Exchange-Traded Fund Trust | 1.3M | $13.4M | 1.45% | Jul 31, 2026 |
| Steward Values Enhanced International Fund Steward Funds Inc | 384.6K | $4.0M | 1.18% | Jul 31, 2026 |
| iShares Dynamic Equity Active ETF BlackRock ETF Trust | 304.9K | $3.2M | 0.11% | Jul 31, 2026 |
| ActivePassive International Equity ETF Trust for Professional Managers | 351.9K | $3.2M | 0.30% | May 31, 2026 |
| Avantis International Large Cap Value ETF American Century ETF Trust | 342.4K | $3.1M | 0.17% | May 31, 2026 |
| Avantis International Equity Fund American Century ETF Trust | 302.6K | $2.7M | 0.26% | May 31, 2026 |
| Avantis Responsible International Equity ETF American Century ETF Trust | 191.9K | $1.7M | 0.37% | May 31, 2026 |
| Global Core Portfolio MORGAN STANLEY INSTITUTIONAL FUND INC | 146.4K | $1.4M | 2.15% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list MFG's shares (CUSIP 60687Y109), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
No 13D/13G beneficial-ownership filings on record.
Corporate Lobbying
No lobbying filings found naming MIZUHO FINANCIAL GROUP INC as the client.
Government Contracts
No federal contract awards found for MIZUHO FINANCIAL GROUP INC.
U.S. Patents
No USPTO patent applications found for MIZUHO FINANCIAL GROUP INC.
Annual Financials
No annual XBRL figures on record for MFG. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
No stock splits in MFG's price history.
Material Events (8-K)
No 8-K filings on record.



