Hennessy Advisors, Inc. is an investment management firm. The Company is engaged in managing, servicing and marketing its open-end mutual funds, the Hennessy Funds. The Company manages 16 mutual funds that have each been categorized as a Domestic Equity product, Balanced and Fixed Income product, or Sector and Specialty product.I ts Domestic Equity product includes Hennessy Cornerstone Growth Fund, Hennessy Focus Fund, Hennessy Cornerstone Mid Cap 30 Fund, Hennessy Cornerstone Large Growth Fund, Hennessy Cornerstone Value Fund, Hennessy Large Value Fund and Hennessy Total Return Fund. Its Balanced and Fixed Income product includes Hennessy Equity and Income Fund; Hennessy Balanced Fund, and Hennessy Core Bond Fund. Its Sector and Specialty product includes Hennessy Gas Utility Index Fund, Hennessy Small Cap Financial Fund, Hennessy Large Cap Financial Fund, Hennessy Technology Fund, Hennessy Japan Fund and Hennessy Japan Small Cap Fund.