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Japan's June Buyback Filings Span Zero to ¥29.6bn in a Day

Twelve Tokyo-listed companies disclosed June share-repurchase activity on the same day, and the contrast is stark: Mitani Sekisan bought no stock at all while Kyocera spent ¥29.6bn in a single session.

Illustration of unevenly sized stacks of yen banknotes next to blank corporate placards, representing the wide range in Japanese companies' June 2026 share buyback spending.

Twelve Tokyo-listed companies filed monthly share-buyback status reports on July 6, 2026, and the numbers inside them span an enormous range. Kyocera Corp. bought back 8,364,800 shares for ¥29.6bn in a single session on June 2, then followed with ¥8.72bn on June 5 and ¥6.63bn on June 8. Mitani Sekisan Co., a Fukui-based filer, reported buying no shares at all in June, even though its board had approved a ¥1.0bn, 680,000-share repurchase with a window that opened June 25.

Every company running a buyback under its articles of incorporation must file a monthly status report once the board authorizes a repurchase, whether or not any shares were bought that month. The batch filed July 6 covers programs authorized between February and June 2026, several running into 2027.

June 2026 Buyback Snapshot
Figures are full-month totals for June 2026 as disclosed in each company's buyback status filing.
CompanyJune SharesJune CostCumulativeAuthorized Ceiling
Mitani Sekisan (5273)0¥0¥1.0bn (680,000 shares)
The Pack (3950)243,800¥315.1mn382,700 shares / ¥499.9mn¥2.0bn (1.8mn shares)
oRo (3983)70,400¥143.9mn303,300 shares / ¥604.7mn¥1.0bn (650,000 shares)
Quick (4318)291,600¥210.3mn552,000 shares / ¥404.5mn¥1.0bn (1.5mn shares)
Nippon Kayaku (4272)957,200¥1.99bn1,244,100 shares / ¥2.60bn¥15.0bn (13mn shares)
Ricoh (7752)2,448,100¥3.61bn4,417,500 shares / ¥6.46bn¥25.0bn (23mn shares)

Among filers that reported full-month totals for June, Ricoh Co. spent the most in yen terms: ¥3.61bn on 2,448,100 shares, lifting its cumulative purchases under a ¥25.0bn programme (board-approved May 12, running to November 30, 2026) to 4,417,500 shares and ¥6.46bn. Nippon Kayaku Co., whose board authorized its own buyback on the same date as Ricoh's, spent ¥1.99bn on 957,200 shares toward a ¥15.0bn ceiling. Quick Co., The Pack Corp. and oRo Co. moved at a smaller scale: ¥210.3mn, ¥315.1mn and ¥143.9mn respectively, against ceilings of ¥1.0bn, ¥2.0bn and ¥1.0bn.

A second group of filers reported only specific trading days rather than full monthly totals. Marubeni Corp. bought 579,000 shares for ¥2.83bn on June 1 under a ¥60.0bn authorization running through January 2027. Vision Inc. bought 104,600 shares for ¥108.1mn on June 1 and a further 74,000 shares on June 2, against an ¥1.8bn ceiling that closed June 22. Chugai Ro Co. bought 9,500 shares for ¥40.3mn on June 1 under a ¥1.14bn programme running to the end of August, and Eco's Co. bought 3,000 shares on each of June 1 and June 2 against a ¥900mn ceiling.

The fastest single-day execution in the batch came from NAC Co., whose filing covers May rather than June. A ToSTNeT-3 off-auction trade on May 18 bought 1,455,000 shares for ¥745.0mn, covering 90.9% of the shares and roughly 90.8% of the yen value the board had authorized three days earlier, on May 15.

Most of the programs disclosed on July 6 still have months to run, several into 2027, so this batch of filings is an early marker of pace rather than a final tally.