Japanese banks are selling their stake in the company behind Super Mario. Nintendo's $2.2 billion share offering isn't just corporate news; it's a sign that Japan's decades-old system of corporate alliances, built on mutual stock ownership, is finally unraveling. Here's what it means for investors and for Japan Inc.

Nintendo Approves Up to $2.2 Billion Cross-Shareholding Unwind

On February 27, 2026, Nintendo's board of directors approved a massive secondary share offering. Four institutional shareholders, the Bank of Kyoto, Nomura Trust and Banking (managing MUFG Bank's pension trust shares), Resona Bank, and mobile gaming partner DeNA, will sell a combined 32.7 million shares. Including an overallotment option of up to 4.9 million additional shares, the total deal could be worth as much as ¥338.2 billion (approximately $2.2 billion) based on the day's closing price of ¥8,995.

The breakdown of shares being sold:

  • Nomura Trust and Banking (MUFG Bank pension trust): 16.15 million shares
  • Bank of Kyoto: 10 million shares
  • DeNA: 6 million shares
  • Resona Bank: 548,000 shares

The offering price will be set between March 9–12, with Nomura Securities and Mitsubishi UFJ Morgan Stanley among the lead underwriters. The shares will be marketed primarily to domestic retail investors, with a portion allocated to overseas institutional investors.

Buyback and Cancellation to Cushion Market Impact

Anticipating the supply-demand impact, Nintendo simultaneously announced a share buyback of up to 14 million shares or ¥100 billion ($660 million), whichever comes first. The repurchase will be conducted on March 3–4 via the ToSTNeT-3 off-auction trading system, and all acquired shares will be retired on March 31. This marks Nintendo's first buyback in approximately four years.

Analyst Hideki Yasuda of Toyo Securities noted that pairing the offering with repurchases could limit the impact on market liquidity. Nintendo shares rose 3% on the day of the announcement, suggesting investors viewed the restructuring favorably.

What Is "Cross-Shareholding" and Why Should You Care?

To understand the significance of this deal, international readers need to know about Japan's unique practice of "seisaku hoyū kabushiki" (政策保有株式), commonly translated as "strategic shareholdings" or "cross-shareholdings."

In Japan, companies have historically held shares in each other, not for investment returns, but to cement business relationships, ensure stable management, and defend against hostile takeovers. A bank would own shares in a manufacturer, and that manufacturer would bank with them. This web of mutual ownership created an implicit understanding: "You don't criticize my management, and I won't criticize yours."

During Japan's post-war economic boom, this system provided corporate stability. However, critics, especially foreign investors and governance experts, have long argued it causes serious harm:

  • Poor capital efficiency: Companies sit on low-return assets instead of deploying capital productively
  • Weakened governance: "Silent shareholders" don't hold management accountable
  • Neglect of shareholder interests: Protected by friendly shareholders, management tends to prioritize the status quo over value creation

This practice is largely absent in Western markets, where shareholders expect returns and hold boards accountable through active voting and engagement.

Why the Unwind Is Accelerating Now

The dismantling of cross-shareholdings didn't happen overnight. Several converging forces have turned a gradual trend into a tsunami since 2023.

Corporate Governance Code (2015–2021)

Japan's Tokyo Stock Exchange introduced the Corporate Governance Code in 2015, later revised in 2021 to require companies to disclose the purpose, value, and rationale for each strategic shareholding. Companies that can't justify their holdings face pressure to sell.

TSE Market Restructuring & "Capital-Conscious Management" (2022–2023)

In April 2022, the TSE reorganized into three tiers, Prime, Standard, and Growth, with the Prime Market demanding stricter standards on free-float ratios. Then in March 2023, the TSE issued a game-changing directive: all listed companies should pursue "management that is conscious of capital costs and stock price." Companies trading below a price-to-book ratio (PBR) of 1.0 were asked to disclose improvement plans. This single move sent shockwaves through corporate Japan.

The Insurance Scandal Trigger (Late 2023–2024)

A cartel scandal involving major Japanese insurers in late 2023, which resulted in regulatory penalties from the Financial Services Agency, proved to be the accelerant. The three major insurance groups, Tokio Marine, SOMPO, and MS&AD, announced plans to reduce their strategic shareholdings to zero by around 2030, representing combined divestitures of over $40 billion.

The cumulative effect: in 2025, Japanese companies sold a record ¥9.77 trillion (approximately $64.5 billion) in strategic shareholdings, a 50% increase from the previous year. Financial institutions accounted for nearly half of all sales.

Toyota's $19 Billion Unwind: A "Watershed Moment"

Just one day before Nintendo's announcement, an even larger story broke. Toyota Motor Corporation is reportedly planning an unwinding of strategic shareholdings involving banks and insurers selling approximately ¥3 trillion ($19 billion) of its shares.

Toyota's major shareholders include Sumitomo Mitsui Financial Group, Mitsubishi UFJ Financial Group, and MS&AD Insurance Group. The automaker plans to absorb shares through buybacks, with a secondary offering also under consideration.

If executed, this would be one of the largest cross-shareholding unwinds in Japanese corporate history. For the world's biggest automaker to take this step sends an unmistakable signal: the era of corporate Japan's cozy shareholder networks is ending.

The momentum continued into 2026 with other major offerings. In February alone, eight financial institutions including MUFG Bank and Sompo Japan sold shares in Shin-Etsu Chemical worth approximately ¥130 billion ($860 million). Companies like Ibiden and Nichirei also announced offerings worth hundreds of millions.

How Foreign Investors Are Responding

International investors are the biggest cheerleaders for Japan's cross-shareholding reform.

Foreign ownership of Japanese listed shares hit a record 32.4% in fiscal 2024, surpassing domestic financial institutions for the first time ever. Foreign investors also dominate trading volumes, accounting for more than half of all transactions on the Tokyo Stock Exchange, making them the most influential force in Japanese stock price formation.

These investors strongly prefer companies with high ROE (return on equity) and PBR (price-to-book ratio), and the unwinding of cross-shareholdings directly improves these metrics. The Nikkei 225 hit a 34-year high in February 2024, with continued gains attributed significantly to expectations around governance reform.

However, the International Corporate Governance Network (ICGN), representing investors managing approximately $77 trillion in assets, has assessed that while Japan has made formal progress, substantive change remains a work in progress. Key gaps include the proportion of independent outside directors (still around one-third at Prime Market companies vs. a majority in the U.S. and Europe) and the rarity of independent board chairs.

What This Means for Nintendo

For Nintendo, this offering represents a modernization of its shareholder base. The Bank of Kyoto, a regional lender headquartered in the same city as Nintendo, held a 4.19% stake as the third-largest shareholder, a relationship symbolizing Nintendo's deep roots in Kyoto's business community.

A previous offering in 2019 was worth about ¥71 billion ($470 million). This time, the unwind is roughly five times larger. DeNA's sale of 6 million shares (worth approximately ¥54 billion) is also notable, suggesting a shift from capital-based to commercially-based partnerships. DeNA itself announced a buyback of up to 25 million shares / ¥50 billion, signaling its own push for improved capital efficiency.

The shares will be marketed primarily to domestic retail investors, broadening Nintendo's shareholder base beyond the traditional circle of corporate and institutional holders. This diversification aligns with global best practices and should make Nintendo's governance structure more responsive to market discipline.

The Quiet Revolution Rolls On

Nintendo's $2.2 billion share offering is emblematic of an irreversible shift in Japanese corporate culture.

Driven by TSE reform demands, foreign investor pressure, and the rise of activist shareholders, Japan is dismantling a system that once defined its economic identity. For international investors, this means a more transparent, accountable, and investable Japanese market. For Japan itself, the challenge is balancing these gains with the stability that long-term corporate relationships once provided.

Does your country have a similar practice of companies holding shares in each other? Or are shareholders strictly return-seeking? What do you think about Japan unwinding these decades-old corporate ties? Let us know in the comments!

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