Core Viewpoint - Madison Square Garden Sports Corp. (NYSE:MSGS) is identified as a strong investment opportunity by billionaire Mario Gabelli, highlighting its potential for value unlock based on the valuation of its sports franchises [1][3]. Group 1: Investment Position - GAMCO Investors holds a $158.7 million position in MSGS, representing 1.52% of its 13F portfolio, making it the fourth-largest holding for the firm [1]. - GAMCO Investors ranks among the top 10 institutional investors in MSGS with a 3.14% stake [2]. Group 2: Valuation Insights - The New York Knicks are valued at approximately $10 billion and the New York Rangers at around $4 billion, suggesting a potential stock value of $500 per share when divided by MSGS' share count of 24.1 million, while the stock currently trades at $250 [3]. - The commentary from GAMCO Investors emphasizes that MSGS provides public access to the positive dynamics of sports franchises, which are seen as valuable assets in an inflationary environment [3]. Group 3: Performance and Growth Potential - MSGS has experienced significant stock performance, with a nearly 23% increase in 2026, a 15% rise in 2025, and over 67% growth in the past year [3]. - The company benefits from the improving on-court performance of the Knicks, which is expected to enhance fan engagement and pricing power in the future [3].