The AB Portfolios - AB Sustainable Thematic Balanced Portfolio-Z (ABPZX) is a mutual fund that focuses on investing in companies that align with sustainable and socially responsible themes. This balanced portfolio aims to provide investors with a mix of both equity and fixed income securities, while also considering environmental, social, and governance factors. With a ticker symbol of ABPZX, this mutual fund offers investors the opportunity to support companies that are making a positive impact on the world while potentially earning a return on their investment.