HgCapital, a specialised private equity trust, has been one of the stellar performers of the last few decades, posting an annual net asset total return of 14.3% over the last 20 years. It's become increasingly focused on tech investments, particularly software and services, and often trades at a premium to net assets unlike much of the rest of the private equity sector.

Private equity has often been a difficult sector to navigate for fans of investment trusts. The charges are very high and it can be hard to get much detail on exactly what a particular trust is invested in and how well the un...