Core Insights - Berkshire Hathaway reduced its stake in VeriSign (VRSN) by $1.2 billion in Q3 2023, indicating a strategic move to manage its investment portfolio [1][2] Group 1: Background - Berkshire Hathaway began acquiring VRSN shares in 2012 at an average cost of approximately $40 per share [1][2] - In Q4 2024, Berkshire Hathaway increased its position in VRSN at around $200 per share [1][2] Group 2: Motivation - The stock price of VRSN reached a peak of $266.93, nearing its historical high, prompting the reduction in stake [1][2] - The reduction is likely aimed at preventing Berkshire's ownership from exceeding 10%, which would trigger additional regulatory disclosures and compliance obligations [1][2] - This action reflects Warren Buffett's precise management of "passive investment boundaries" [1][2]