As of January 1, 2020, members of KASE were represented by 52 companies that had the status of a member in one or several categories, in particular: 32 companies had the status of members of ''foreign exchange'' category, 44 – of ''stock market'' category and 23 – of ''derivatives'' category.

In 2019, KASE terminated membership of First Heartland Bank because of its voluntary reorganization by merging with another member of KASE, First Heartland Jýsan Bank.

The following companies became KASE members under ''foreign exchange'' category: CAIFC INVESTMENT GROUP, Freedom Finance, Kazpost and Shinhan Bank Kazakhstan. Bank RBK became a member of KASE in ''derivatives'' category.