IP Group, a major backer of university spin-outs in the UK, has recorded a pretax profit of £72.6m in 2013 – a 78% increase from its 2012 total of £40.7m – boosted by strong returns from its portfolio.

The commercialisation firm’s portfolio made net gains of £83m during 2013 (compared to £50.2m in 2012), with only a slight rise in admin costs, up £500,000 from last year to £13.2m.

It has been an active year for IP Group. Alan Aubrey,…