The investment seeks to track the investment results, before fees and expenses, of the TIAA ESG USA Large-Cap Growth Index (the index). Under normal market conditions, the fund invests at least 80% of the sum of its net assets and the amount of any borrowings for investment purposes in the securities of large-capitalization companies. The index is comprised of equity securities issued by large capitalization companies listed on U.S. exchanges that meet certain environmental, social, and governance (ESG) criteria.