HEICO Corporation (NYSE:HEI) is one of Billionaire Ken Fisher’s 15 Most Notable Moves for 2026. HEICO Corporation (NYSE:HEI) has been a core holding of the 13F portfolio of Fisher Asset Management for many years, stretching as far back as early 2014. Back then, Fisher’s stake in the firm consisted of 94,000 shares with an average price of $29 per share. Through the coming quarters, Fisher added to this stake, growing it to nearly 4 million shares. Since then, however, this holding has been trimmed, and pr ...