Warren Buffett’s support sparks surge in Japanese trading house shares

WEB DESK: Japan’s retail investors have started to place their bets on trading house stocks, heavily backed by Berkshire Hathaway Inc.’s legendary investor Warren Buffett, eyeing strong business models and stellar shareholder returns.

Investment demand from Nippon Individual Savings Accounts, or NISA for short, has spread to trading companies alongside traditional favourite like Nippon Telegraph & Telephone Corp., Japan Tobacco Inc. and Mitsubishi UFJ Financial Group Inc.

Mitsubishi Corp., one of Japan’s biggest trading companies, placed third for the first time since March among retail holdings under the tax-exempt savings programme. That’s according to data from SBI Securities Co., while Rakuten Securities’ ranked it fourth since April.

Reflecting the support from retail investors, trading house shares have been outperforming the market since US President Donald Trump’s “Liberation Day” tariff on April 2, despite uncertainties over effects on trade.

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Japanese trading companies share gained following comments from Buffett at the Berkshire Hathaway’s annual meeting that he expects his company to hold the shares for 50 years or more. Mitsubishi Corp., Marubeni Corp., Mitsui & Co. Itochu Corp. and Sumitomo Corp. rose by more than 3 percent in reaction.

“Many individual investors feel that their value-investing style aligns with Warren Buffett, who is known for such a approach, and they are inclined to follow his lead – “If Buffett is buying, I’ll follow,” said Naomi Kurimoto, an employee in the SBI Securities Investment Market Research Department. Buffett’s name on reports boosts page views driven by individual investors, she added.

The five major Japanese trading houses released cautious profit forecasts for the year, setting aside hundreds of millions of dollars to hedge against tariff uncertainty. Despite these concerns, the companies have actively been pursuing dividend increases.

The projected 12-month dividend yields for Mitsubishi Corp., Mitsui & Co., Sumitomo and Marubeni are all above 3.5 percent, exceeding the 2.7 percent estimated calendar year average for 2025 for the Topic index. Although Itochu’s projected 12-month dividend yield was 2.66 percent, it joins the other four in having doubled dividend payouts over the past five years.

Characteristics of the sectors favoured under the NISA programme are those with low risk of dividend cuts, even if their earnings growth or share price aren’t expected to rapidly rise, said Yusuke Maeyama, a researcher at NLI Research Institute. “Among high-dividend stocks, trading companies may offer an additional advantage in the form of strong expectations for future dividend increases,” he added.

Corporate governance reforms also play a major role in influencing individual investors’ stock selection process. The Tokyo Stock Exchange is planning to encourage companies to conduct stock splits, which would make it easier for retail investors to participate. Because trading on the TSE uses 100 share lots, split would reduce the minimum investment amount.

While Buffett’s influence has helped trading house shares, the companies themselves have been making efforts to expand their shareholder base in the past year. Before the launch of the revamped NISA system at the end of 2023, Mitsubishi Corp conducted a 3-for-1 stock split, lowering the minimum investment amount. Mitsui & Co. conducted a stock split at the end of June last year, halving the minimum investment amount.

Trading houses will benefit from increased retail investor participation through programmes like NISA as “they can expect medium to long—term ownership, which helps build a more stable shareholder base,” said Kazuhiro Sasaki, head of research at Phillip Securities Japan. On the other hand, there could be downsides like increased burden associated with servicing hundreds of investor accounts and handling of much larger shareholder meetings, he added.

The total amount of new purchases made under the growth investment quota across all financial institutions’ NISA accounts in 2024 reached approximately ¥12.5 trillion ($87.4 billion), according to data compiled by Japan Securities Dealers Association. At the end of 2024, the total number of NISA accounts stood at 25.6 million. Among securities firms, Rakuten Securities held the largest share with 6 million accounts, followed by SBI Securities with 5.36 million.

Any deployment of funds by domestic investors would be positive for Japanese equities and even a 1 percent point shift from cash into domestic stocks “would unleash $220 billion of flows into equities,” said HSBC strategists including Herald van der Linde in a note.