https://www.msn.com/en-us/money/markets/understanding-the-hamas-net-worth/ar-AA1ivwb7
The Richest Leaders
Several leaders within Hamas have amassed considerable personal wealth. Khaled Meshaal, the leader of Hamas, is estimated to have a net worth of more than $2.6 billion, with accounts in Qatari and Egyptian banks. Ismail Haniyeh, the former Prime Minister of Gaza, has a capital estimated at $4 million, while Moussa Abu Marzook, another prominent Hamas leader, is believed to have a fortune between $2-3 billion.
https://nypost.com/2023/11/07/news/hamas-leaders-worth-11bn-live-luxury-lives-in-qatar/
https://nationalpost.com/news/world/israel-middle-east/hamas-leaders-wealth