Houston-based Prosperity Bancshares will acquire Stellar Bank, also based in the city, in a deal worth roughly $2 billion, the banks announced Wednesday.
The transaction, expected to close in the second quarter of 2026, is Prosperity’s third announced acquisition since July – and by far the largest.
The Houston bank said in July it would buy fellow Texas lender American Bank for $321.5 million; that deal closed Jan. 1 with conversion expected by September. Prosperity then announced last October that it would acquire San Antonio-based Southwest Bancshares for $268.9 million. That deal is expected to close Feb. 1 after gaining Southwest shareholder approval last week…