Tycoon William Tewiah's $338 million ZEN Petroleum stake makes him the richest stockholder on the Ghana Stock Exchange

Billionaires Africa | 18.05.2026 23:21
William Tewiah has become the richest individual stockholder in the history of the Ghana Stock Exchange. His 80% stake in ZEN Petroleum Holdings PLC, the indigenous downstream energy group he founded in 2010 and listed on the exchange in April 2026, is currently worth GHS 3,865,600,000, approximately USD 338.1 million at the prevailing exchange rate of GHS 11.44 to the dollar. No single individual investor has ever sat on a disclosed listed equity position of that size on the Ghana bourse.