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6-K ·Filed Sep 24, 2026

MFG

MIZUHO FINANCIAL GROUP INC
NEUTRAL
Impact 4/10
Horizonweeks Processed1mo ago SEC0001193125-26-400092
Notable filing: 6-K
Actionable Insight • Neutral

The buyback completion at the authorized ceiling shows disciplined capital allocation. Monitor the October 23 cancellation for the EPS accretion effect. The concurrent 424B5 perpetual subordinated note offering (16 days prior) suggests the bank is simultaneously optimizing its capital structure — the buyback returns equity while the sub-debt issuance bolsters Tier 1/TLAC ratios.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+20d
MFG ▼ -8.05% at T+20d
NEUTRAL call -8.05% · α vs SPY -7.63% · entry $10.56 → $9.71
Next anchor: T+60d in 8w
Latest observation: T+21 -8.63% FF3 residual α
Entry = T+0 close
Sep 24, 2026
via day close
T+1d
+4.83%
call +4.83% · α +4.29%
$11.07
settled 4w ago
T+5d
+1.89%
call +1.89% · α +2.31%
$10.76
settled 25d ago
T+20d
-8.05%
call -8.05% · α -7.63%
$9.71
settled 4d ago
T+60d
Pending
in 8w

Price Chart

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Executive Summary

Mizuho Financial Group completed its ¥200 billion common stock repurchase program, buying back 24,352,700 shares (1.0% of outstanding) and will cancel all repurchased shares on October 23, 2026. The buyback was fully executed near the authorized ceiling, signaling strong capital return to shareholders. The cancellation reduces share count, providing a modest EPS accretion effect.

Key Facts

  • Aggregate shares repurchased: 24,352,700 shares (1.0% of total outstanding shares before cancellation)
  • Aggregate repurchase price: ¥199,999,944,900 (near the ¥200 billion authorized maximum)
  • Repurchase period: May 18, 2026 to September 18, 2026 (trade date basis)
  • Scheduled cancellation date: October 23, 2026
  • Total shares outstanding (excluding treasury stock) as of June 30, 2026: 2,433,537,063 shares
  • Treasury stock held as of June 30, 2026: 9,294,931 shares

Financial Impact

¥200 billion (~$1.3B) buyback completed; 1.0% share count reduction via cancellation

shares outstandingeps

Risk Factors

  • Buyback was fully executed near the ¥200B ceiling, leaving no remaining authorization for further near-term repurchases
  • Share cancellation of only 1.0% is modest and unlikely to materially move the stock
  • The perpetual subordinated note offering (424B5 filed Sep 8) adds interest cost and potential future write-down risk

Investment Themes

Traditional Finance

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
6-K Filing (Primary)0001193125-26-400092
Document: 0001193125-26-400092-index-headers.html0001193125-26-400092
Document: 0001193125-26-400092-index.html0001193125-26-400092
Document: 0001193125-26-400092.txt0001193125-26-400092
12 reports for MFG
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for MFG — sortable, filterable
TypeNow
Oct 14, 2026
12d ago
Institutional Cluster
BULLISH ★ 4/10
$10.22 $9.71▼ −4.99%▼ −3.98%$9.51 (−6.95%)
Sep 24, 2026
4w ago
6-K
NEUTRAL ★ 4/10
$10.56 $10.76▲ +1.89%▲ +2.31%$9.51 (−9.94%)
Sep 14, 2026
6w ago
6-K
NEUTRAL ★ 3/10
$11.33 $11.09▼ −2.12%▼ −2.22%$9.51 (−16.06%)
Sep 1, 2026
7w ago
6-K
NEUTRAL ★ 3/10
$10.74 $10.94▲ +1.86%▲ +1.78%$9.51 (−11.45%)
Aug 14, 2026
10w ago
6-K
NEUTRAL ★ 3/10
$10.87 $10.28▼ −5.43%▼ −4.06%$9.51 (−12.51%)
Jul 13, 2026
15w ago
6-K
NEUTRAL ★ 3/10
$10.49 $9.87▼ −5.91%▼ −5.13%$9.51 (−9.34%)
Jul 1, 2026
16w ago
6-K
NEUTRAL ★ 2/10
$9.80 $10.19▲ +3.98%▲ +3.72%$9.51 (−2.96%)
Jul 1, 2026
16w ago
6-K
NEUTRAL ★ 3/10
$9.80 $10.19▲ +3.98%▲ +3.72%$9.51 (−2.96%)
Jul 1, 2026
16w ago
6-K
NEUTRAL ★ 2/10
$9.80 $10.19▲ +3.98%▲ +3.72%$9.51 (−2.96%)
Jun 29, 2026
17w ago
424B5
NEUTRAL ★ 3/10
$9.56 $10.35▲ +8.26%▲ +6.88%$9.51 (−0.52%)
Showing 10 of 12

US Market Status

Market Closed — Opens Tue (< 1m)

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Report published Sep 24, 2026