Coherent Corp. (NYSE:COHR) is one of Billionaire Ken Fisher’s 15 Most Notable Moves for 2026. Coherent Corp. (NYSE:COHR) only represents 0.03% of the total 13F portfolio of Fisher Asset Management. However, the notable move here is that the fund increased its stake in the firm by 34% during the fourth quarter of 2024, compared to filings for the previous quarter. Fisher first bought a position in the firm earlier in the year and added to it in the third quarter of 2025 as well. At the end of the fourth qu ...