"We have been extremely pleased with our investment in H3 Global and this further increase in our equity stake reflects our confidence in H3 Global's ability to continue outperforming despite volatility in some key markets," Ascalon chief executive Andrew Landman said.
"H3 Global is gaining considerable recognition in Australia and overseas with its intelligent and incisive approach to investing in often difficult conditions.
"Apart from impressive returns for investors, this approach is being rewarded with a string of significant mandates and awards which recognise the talent and experience of H3 Global's principals, Mathew and Andrew Kaleel."
H3 Global has more than $250 million in funds under management and runs a commodities fund, strategies fund and currency program.