Goldman Sachs: Why individual investors need to look at private investments to further grow wealth

Private investments have outperformed global public markets on 10-15-year time horizons.

Bain estimates that assets under management in alternatives from individuals has risen to around $4 trillion .

Private markets require longer-term capital commitments, careful selection of investment vehicles and precise allocation sizing.

As more companies stay private for longer, a portfolio limited to public companies inevitably will miss market opportunities.