Shares in 3i got a boost at the market open in London after reporting what it called "another good first-half performance" that saw net asset value per share rise by 15.5%.
The multinational venture capital group reported "significant growth" in its infrastructure fund management business, drawing in £830m of new assets under management, and completed four new private equity deals totalling £514m.
Net asset value per share, a key metric in asset management firms, rose to 652p in the half year to 30 September, from 551p in the same period a year ago. Total portfolio value rose to £6.584bn from £5.207bn.
The company announced an interim dividend of 8p a share - the same as last year's interim payment.
Simon Borrows, chief executive (left), said: "This was another good half for 3i. We used our strong balance sheet to invest in some attractive and well-priced businesses in Private Equity and added £830 million of assets under management in Infrastructure.