At the same time, the companies comparative index increased by 30.3% and the share price rose by 24.5%.

During the period, the company issued 44,085,000 shares at a premium to its net asset value, raising net proceeds of £159,784,000. Since then a further 3,875,000 shares have been issued raising a further £12,515,000.

The company has total assets of £1,439.1 million (before deduction of loans of £46.7m) as at 30 April 2021.

As at 30 April 2021 the company’s unlisted exposure was 7.9% of total assets, comprised of 11 unlisted investments: Akili Interactive Labs; Astranis Space Technologies; Epic Games; Graphcore; KSQ Therapeutics; Oxford Nanopore Technologies; PsiQuantum; Reaction Engines; Relativity Space; Space Exploration Technologies and Spire Global.

Since 1 February 2014, the company has been invested in a diversified portfolio of companies which individually offer significant long term growth potential and typically have a market capitalisation of less than US$5bn at the time of initial investment.

The company said: “Short term cycles of exaggerated investor behaviour tend to come and go, but company fundamentals prevail over the longer term.

“The long duration cycles of innovation and technological advancement to which the portfolio is aligned remain very robust and we remain hugely excited about how the portfolio will develop over the coming years and decades.”