Phaunos raised £59m when it listed on the Alternative Investment Market in December, backed by the London Pensions Authority, F&C Asset Management and a Swedish pension fund.

Investor interest is strongest in America, although Phaunos has pledged to look at global markets in a bid to provide long-term returns for its investors.

Meanwhile, Seven Investment Management has added timber to its ‘balanced and moderately cautious funds’.

Senior research analyst Alex Scott said timber was attractive because “trees have many usages”.

“In the early stages of planting, investors will see negative cashflow, but investment will pay off as the trees mature,” he said.