Fisher Investments — the giant investment fund headed by billionaire Ken Fisher — has sold a minority stake in the firm that values it at nearly $13 billion.
Under the deal, Boston-based private equity firm Advent International and the Abu Dhabi Investment Authority will invest at least $2.5 billion in Fisher Investments, a closely held firm that values itself at $12.75 billion, the company said in a statement on Monday.
The firm’s founder and executive chairman, who is worth an estimated $5 billion, said the agreement would guarantee the firm’s “independence”…
