The investment seeks long-term capital appreciation. The fund invests mainly in common stocks of U.S. companies of any size, with a focus on companies whose products and services provide solutions that directly contribute to sustainable social, environmental and economic development (Impact Companies). Under normal circumstances, the fund invests at least 80% of the value of its net assets in securities that meet Putnam Management?s sustainability criteria. In applying these criteria, Putnam Management will assign each company a proprietary environmental, social and/or corporate governance (ESG) rating ranging from 1 to 4.