Hamamatsu Photonics kicks off share buyback, acquires ¥4.2 bn in November

Hamamatsu Photonics K.K. (TSE:6965) has announced the initial results of its share repurchase program, acquiring 2,658,800 common shares between November 10, 2025, and November 28, 2025. The total cost for these repurchases amounted to JPY 4,198,919,400. This buyback was executed through market purchases on the Tokyo Stock Exchange.

The repurchases are part of a larger resolution approved by the board of directors on November 8, 2025. Under this resolution, Hamamatsu Photonics K.K. is authorized to buy back up to 15 million shares, representing up to 5.02% of its total issued shares (excluding treasury shares), with a maximum total value of JPY 20 billion. The overall buyback period extends from November 10, 2025, to September 30, 2026.