Fisher Investments’ Founder Ken Fisher Maintains Majority Controlling Interest PLANO, Texas, June 16, 2024 /PRNewswire/ — Fisher Investments (“FI”) announced today that Advent International (“Advent”) and a wholly owned subsidiary of the Abu Dhabi Investment Authority (“ADIA”) have agreed to make a minority investment in Ken Fisher’s namesake firm, Fisher Investments. The investment by Advent and ADIA of […]