In finance, a Class B share or Class C share is a designation for a share class of a common or preferred stock that typically has strengthened voting rights or other benefits compared to a Class A share that may have been created. From Wikipedia
The 94-year-old investor, who transformed Berkshire into a $1.2 trillion conglomerate with unparalleled returns, confirmed his transition plan as Q1 2025 earnings reveal a 14% decline.