Hennessy Advisors, Inc. is a St. Louis–based SEC-registered investment adviser founded in 1992 by William F. Hennessy. The firm specializes in portfolio management for mutual funds, closed-end funds and exchange-traded funds, serving both individual investors and institutional clients. Through fundamental research and bottom-up stock selection, Hennessy Advisors offers a range of equity strategies spanning large-cap growth, small-cap value, balanced income and international markets.
In June 2021, the company issued $40 million aggregate principal amount of its 4.875% Notes due 2026, which are listed on the Nasdaq under the ticker HNNAZ. These senior unsecured notes were structured to diversify Hennessy’s capital base and support ongoing investment in its product lineup and operational infrastructure.
Hennessy Advisors sponsors multiple investment vehicles, including the Hennessy Focus Fund, Hennessy Cornerstone Growth Fund and Hennessy Japan Fund, among others. Each fund is managed by dedicated portfolio teams that emphasize sector diversification and risk controls. The firm’s strategy seeks to balance capital appreciation with income generation, adapting to market cycles through disciplined buy-and-sell decisions.
Since its founding, William F. Hennessy has served as chairman and chief executive officer, guiding the company’s growth and oversight. Under his leadership, the firm has maintained an independent, research-driven culture while expanding its distribution network across the United States. Hennessy Advisors continues to pursue opportunities that align with its core investment philosophy and client-focused approach.
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