Otudeko owns a majority stake in Honeywell Flour Mills Plc.
The gains came off the back of a double-digit rise in the bank’s share price on the Mauritian bourse.
Health facilities across Nigeria will benefit from the donation from the Sir Emeka Offor Foundation.
The news comes after its successful listing on the Johannesburg Stock Exchange and London Stock Exchange on June 7.
The financial services sector is revving up for recovery to pre-pandemic levels.
Dangote Cement recently listed three tranches of N50-billion bonds on the Nigerian Exchange.
Compared with last year, the group’s consolidated revenue rose by 20 percent.
This translates to an average loss of $4.88 million per day for the billionaire since July 2.
The market value of his stake has increased from $2.61 million to $3.74 million between June 30 and Aug. 12.
Profits for H1 2021 performed better than in the six months ending June 2019.