Web Reference: Kenneth Lawrence Fisher (born November 29, 1950) is an American billionaire investment analyst, author, and the founder and executive chairman of Fisher Investments, a fee-only financial adviser. Ken has written 11 books, including 4 New York Times bestsellers. His 1970s’ theoretical work pioneered an investment analysis tool called the Price-to-Sales Ratio, now part of financial core curriculum. His credits span a multitude of professional and scholarly journals. Ken Fisher founded Fisher Investments in 1979, which as of 12/31/2025 is a $386-plus billion* investment adviser and money management firm serving large institutions and high net worth individuals globally. It is one of the world’s largest pure play ’40 Act Investment Advisers.
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Ken Fisher Advisor Information - Latest Information & Updates 2026 Information & Biography

Details: $85M - $94M
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Last Updated: April 2, 2026
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