The multimillion-dollar spike cements his position as one of the largest investors on the local bourse.
Koudounaris, a multimillionaire serial investor and one of Zimbabwe's richest men, owns a 20.9-percent stake in Axia Corp.
Koudounaris holds a governance role in Axia and controls a 20.86-percent stake in the Zimbabwe-based firm.
Axia Corp is a Zimbabwe-based specialty retail and distribution business.
Masimba Holdings is a well-established Zimbabwean group.
His 18.41-percent stake in the company is worth $60.4 million.
Investors on the Zimbabwe Stock Exchange have amassed staggering wealth since the start of the year