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Jýsan Bank, originally called Tsesnabank, was acquired by First Heartland Securities in February 2019.
First Heartland Securities is part of the First Heartland Group, which is owned by Pioneer Capital Invest LLP. Pioneer Capital Invest is owned by Nazarbayev University (16.06%), Nazarbayev Intellectual Schools (9.46%) and the Nazarbayev Foundation (74.48%).

https://www.globenewswire.com/news-release/2020/12/12/2144122/0/en/Kazakhstan-s-Jýsan-Bank-To-Acquire-Rival-ATF-Bank.html