On December 31, 2023, Chuck Royce (Trades, Portfolio)'s investment firm made a notable addition to its holdings in Haynes International Inc (NASDAQ:HAYN), a company specializing in high-performance nickel and cobalt-based alloys. This transaction has increased the firm's stake in Haynes International Inc to 5.25% of its portfolio, with a position ratio of 0.39%. Charles M. Royce, a renowned figure in small-cap investing, has been managing the Royce Pennsylvania Mutual Fund since 1972.