Berkshire Hathaway bought up more VeriSign shares as the final days of 2024 ticked away. Warren Buffett’s company paid $15.6 million from Dec. 26 through Monday for 76,487 more shares of VeriSign, a provider of internet domain-name registry services.

VeriSign is ranked 5th in the S&P 500 for the highest profit margin, at about 56%, tied with Nvidia, according to third-quarter financial data.

Warren Buffett has invested more than $74 million in a Reston company best known for controlling internet domains for organizations across the globe.

Yet, Buffett’s Berkshire Hathaway is doubling down on the company, which it first invested in more than a decade ago. The conglomerate bought up about 377,736 shares totaling ar