I found some details here: https://www.straitstimes.com/world/europe/funds-linked-to-hungary-pm-orban-were-used-in-euronews-takeover-says-report
The paywalled Le Monde article cited as a source above: https://www.lemonde.fr/en/economy/article/2024/04/11/orban-s-shadow-looms-over-euronews-takeover_6668144_19.html
75% by media companies, divided into about 4 big owners,
25% by an independence pole made of their journalists, employees and readers.
The independence pole has the right to approve changes of shareholders.
The editors-in-chief of the different mediae of Le Monde Group are elected by the employees of the media.
The two last points provide an uncommon independence to Le Monde journalists compared to other big news sources.