Ardian | 153,854 followers on LinkedIn. Ardian is a world-leading private investment firm, managing or advising $180bn of assets. | Ardian is a world-leading private investment firm, managing or advising $180bn of assets on behalf of more than 1,680 clients globally. Our broad expertise, spanning Private Equity, Real Assets and Credit, enables us to offer a wide range of investment opportunities and respond flexibly to our clients’ differing needs. Through Ardian Customized Solutions we create bespoke portfolios that allow institutional clients to specify the precise mix of assets they require and to gain access to funds managed by leading third-party sponsors.