Summary · why it matters
Prateep Tangmatitham, a major shareholder of RATCH Group Public Company Limited, or RATCH, has clearly reduced his shareholding. He now holds 18,845,650 shares, or 0.87%, down from 27,335,450 shares, or 1.26%, marking his lowest stake in six years compared with 31,930,650 shares, or 1.47%, on September 3, 2025. This reduction earned him gains from share price appreciation and dividends proportional to his holding of about 13.19 million baht, after RATCH announced an interim cash dividend of 0.70 baht per share, payable on September 24, 2026. RATCH shares rose 29.66% during 2026. In the latest shareholder structure, the Electricity Generating Authority of Thailand is the largest holder with 978,750,000 shares, or 45.00%, followed by the Electricity Generating Authority of Thailand Savings Cooperative Limited with 128,224,936 shares, or 5.90%, and the Social Security Office with 101,870,550 shares, or 4.68%. Tisco Securities recommends a hold rating on RATCH with a fair value of 37.00 baht, viewing data centers as a potentially significant growth opportunity. RATCH is studying the development of a data center hub to support peak electricity demand of 1,400 megawatts and is in talks with five to six potential data center customers.
Ratch Group Public Company Limited
TISCO Financial Group Public Company Limited