Shares of DaVita (DVA) lost ground Monday after the kidney disease treatment company revealed it had suffered a ransomware attack.

In a filing with the 澳ꦆ洲幸运5官方开奖结果体彩网:Securities and Exchange Commission (S🎉EC), DaVita said that on🐼 Saturday it "became aware of a ransomware incident that has encrypted certain eleme𒊎nts of our network."

The Denver-based dialysis services firm added that "the incident is impacting some of our operations, and while we have implemented interim measures to allow for the restoration of certain functions, we cannot estimate the duration or extent of the disruption at this time."

DaVita said it has "activated our response protocols and implemented containment measures, including proactively isolating impacted systems. We are actively working to assess and remediate the incident with the assistance of third-party cybersecurity professionals and have notified law enforcement of the matter."

Shares of DaVita fell 3% Monday. They are little changed in 2025 but up 1ꦉ🤡6% over the past 12 months.

UPDATE—April 14, 2025: This article has been updated since it was first published to reflect more recent share price values.