what is a business portfolio
Thinkstock/Comstock/Getty Images. A business portfolio is a companyâs set of investments, holdings, products, businesses and brands. A product portfolio is the productâs mix of market segments. Marketing managers attempt to make a product appeal to specific groups of people, called segments.he items in a businessâs portfolio may be called strategic business units, or SBUs. When using the growth-share matrix to analyze SBUs, business managers analyze the SBU, not the market.