Hennessy Advisors Inc is an investment management company, engaged in the managing and marketing of open-end mutual funds branded as the Hennessy Funds. It offers domestic equity, sectors, and specialty, balanced, and fixed income products. It also provides investment advisory services and shareholder services to the Hennessy Funds which include managing the composition of each fund's portfolio, including the purchase, retention, and disposition of portfolio securities as per the Fund's investment objectives, policies, and restrictions; conducting investment research, and monitoring compliance with each fund's investment restrictions and applicable laws and regulations.