Columbia Cornerstone Equity Fund (NSGAX) is an open-end mutual fund that seeks long-term capital appreciation by investing primarily in large-cap U.S. equities. The fund normally invests at least 80% of its net assets in common stocks, preferred stocks, and convertible securities of large-capitalization companies, with up to 20% allocated to foreign securities; it employs a broad research-driven approach emphasizing blend-style large-cap stocks across sectors such as technology, financial services, consumer cyclical, communication services, and healthcare. Class A shares (ticker: NSGAX) feature a minimum initial investment of $2,000, with an expense ratio of approximately 0.65% to 0.85%, portfolio turnover of 29% to 56%, and total net assets exceeding $1.5 billion across share classes.
Managed by Columbia Threadneedle Investments, part of Ameriprise Financial, the fund targets institutional and retail investors seeking exposure to the U.S. large blend category, with operations domiciled in the United States and available for sale primarily in the U.S. market. Portfolio managers include Tiffany Wade (since 2019) and Michael Guttag (since 2024), utilizing a bottom-up stock selection process informed by the firm's fundamental research platform.
Launched on October 2, 1998, the fund is headquartered in Boston, Massachusetts, under Columbia Management Investment Advisers, LLC. A significant recent change occurred on September 1, 2025, when the fund was renamed from Columbia Select Large Cap Equity Fund to Columbia Cornerstone Equity Fund, reflecting a strategic emphasis on its cornerstone large-cap equity strategy without altering the investment objective or approach.