Optum, part of UnitedHealth Group, has solidified its position in healthcare analytics with a USD 7.8 billion merger with Change Healthcare, enhancing its data capabilities for over 280 payers and 5,000 hospitals. Oracle, after acquiring Cerner for USD 28.4 billion, integrates advanced analytics into EHR systems, reporting a 417% ROI. Merative, formerly IBM Watson Health, serves over 4,500 clients and boasts a 90% client retention rate, focusing on growth through partnerships and acquisitions.