
According to a survey conducted by Money Banking magazine, together with Chulalongkorn University’s Faculty of Commerce and Accountancy, his portfolio surged by Bt4.9 billion or 7.8 per cent.
Prasert first claimed the title in 2013 with Bt34 billion.
He is a major shareholder of Bangkok Dusit Medical Services. His 18.3-per-cent stake was valued at Bt61.68 billion as of September 30.
He also owns 10.6 per cent of Bangkok Airways and 0.79 per cent of Nonthavej Hospital.
Ranked second is Keeree Kanjanapas, founder of BTS Group Holdings, the operator of Bangkok’s Skytrain system, with listed securities worth Bt29.35 billion, down 8.9 per cent.
In third place is Thongma Vijitpongpun, whose holding in Pruksa Real Estate was valued at Bt29.38 billion, down 17 per cent.
Coming in fourth is avid investor Niti Osathanugrah, who has stakes in 14 listed companies. His stock portfolio was worth Bt27.15 billion, up 36.6 per cent.
The fifth richest is Anant Asvabhokin, chairman and president of Land & Houses. He holds total listed securities of Bt25.60 billion, up 11.2 per cent.
Sixth on the list with Bt22.41 billion, down 31.0 per cent, is Somphote Ahunai, executive chairman of Energy Absolute, a renewable-energy business.
Pete Bodharamik, CEO of telecom firm Jasmine International, becomes the seventh richest stock investor with Bt19.89 billion, up 7.5 per cent.
Yupin Thirakomen, the No 1 shareholder of MK Restaurant Group, is eighth with 39.9 per cent of the listed restaurant firm. Her shares fell 9.9 per cent to Bt18.89 billion.
Ninth is Prasert’s daughter Poramaporn Prasarttong-Osoth, whose stakes in Bangkok Dusit Medical Services and Bangkok Airways were valued at Bt15.61 billion, up 12.7 per cent.
Last is Chuchat Petaumpai, chairman of Muangthai Leasing. His 37.4-per-cent interest in the finance company was worth Bt14.66 billion, up 19.3 per cent.
By family, the Prasarttong-Osoths were the champion for the second straight year. The five family members own listed securities worth Bt107.92 billion, up 22.5 per cent.