Hennessy Advisors, Inc. engages in the provision of investment advisory services to a family of open-ended mutual funds and an exchange-traded fund. The company is headquartered in Novato, California and currently employs 17 full-time employees. The company went IPO on 2002-09-03. The Company’s operating activities consist primarily of providing investment advisory services to 17 open-end mutual funds and one exchange-traded fund (ETF) branded as the Hennessy Funds. The firm serves as the investment advisor to all classes of the Hennessy Cornerstone Growth Fund, the Hennessy Focus Fund, the Hennessy Cornerstone Mid Cap 30 Fund, the Hennessy Cornerstone Large Growth Fund, the Hennessy Cornerstone Value Fund, the Hennessy Total Return Fund, the Hennessy Equity and Income Fund, the Hennessy Balanced Fund, the Hennessy Energy Transition Fund, the Hennessy Midstream Fund, the Hennessy Gas Utility Fund, the Hennessy Japan Fund, the Hennessy Japan Small Cap Fund, the Hennessy Large Cap Financial Fund, the Hennessy Small Cap Financial Fund, and the Hennessy Technology Fund, as well as to the Hennessy Stance ESG ETF.