Securities investment funds raise funds by issuing fund shares, and individual investors or institutional investors participate in fund investment by purchasing a certain number of fund shares. Option c is correct. The funds raised by the Fund are independent according to law, kept by the selected fund custodian, and entrusted to the fund manager to make diversified portfolio investments such as stocks and bonds. Option a is wrong. Fund investors are the owners of funds. Option b is wrong. Unlike direct investment in stocks or bonds, securities investment funds are an indirect investment tool. Option d is wrong.