Berkshire Hathaway bought up more VeriSign shares as the final days of 2024 ticked away. The purchases were made through Berkshire Hathaway insurance unit Geico, which now owns 7,996,889 VeriSign shares, according to a form Berkshire filed with the Securities and Exchange Commission. Berkshire Hathaway now has total ownership of 13,269,836 VeriSign shares when including stock owned by the pension plans of other units.