The Gabelli Growth Fund Class AAA (GABGX) is a growth-oriented mutual fund that seeks long-term capital appreciation by investing primarily in common stocks of established companies with above-average growth potential. The fund employs a fundamental, research-driven approach, focusing on undervalued growth stocks across diverse sectors including technology, healthcare, consumer discretionary, and industrials; it maintains a portfolio typically comprising 40 to 70 holdings, with no single position exceeding 10% of assets, and emphasizes companies demonstrating strong earnings growth, innovative products, and competitive advantages. Managed by GAMCO Investors, Inc., the fund offers Class AAA shares with a minimum initial investment of $1,000 for retail investors and institutional share classes, alongside related offerings such as advisor-sold Class A (GABAX), no-load Class I (GABIX), and other Gabelli growth-oriented vehicles like the Gabelli Growth Fund Small Cap variants. Headquartered in Rye, New York, the fund traces its inception to 1993 under the leadership of GAMCO, a firm founded in 1977 by Mario Gabelli. Geographically, it operates globally, with investments spanning U.S. large-cap leaders, mid-cap innovators, and select international equities in North America, Europe, and Asia. Recent developments include a strategic portfolio repositioning in 2024 amid market volatility, reducing exposure to overvalued mega-cap tech stocks and increasing allocations to undervalued healthcare and industrials amid AI-driven growth themes; additionally, GAMCO announced enhanced ESG integration in fund selection processes during its 2025 shareholder updates, alongside a minor fee structure adjustment for Class AAA shares to 1.04% expense ratio following improved economies of scale from $500 million in assets under management.