https://www.live-feeds.com/feed/michigan-files-antitrust-suit-against-blue-cross-blue-shield-over-rising-costsContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/michigan-files-antitrust-suit-against-blue-cross-blue-shield-over-rising-costshttps://www.live-feeds.com/feed/michigan-files-antitrust-suit-against-blue-cross-blue-shield-over-rising-costs#u115955Sun, 11 Oct 2026 11:20:30 +0000Michigan Attorney General Dana Nessel filed a federal antitrust lawsuit against Blue Cross Blue Shield of Michigan, accusing the state's largest health insurer of operating an illegal monopoly that drives up health care costs. The state alleges the company holds 65% of the health insurance market and utilizes anti-competitive agreements with other Blue Cross entities to block competition. The insurer states it was blindsided by the legal action and disputes the allegations.Why it mattersMichigan ranks as the fourth least competitive state for health insurance market concentration. Critics