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First Interstate BancSystem(FIBK) - 2023 Q3 - Quarterly Report

Total Assets Total assets decreased $1,747.0 million, or 5.4%, to $30,540.8 million as of September 30, 2023, from $32,287.8 million as of December 31, 2022, primarily due to a decrease in cash and cash equivalents and investment securities as a result of a decline in deposits and securities sold under repurchase agreements, partially offset by an increase in loans held for investment. Significant fluctuations in balance sheet accounts are discussed below. More information regarding the results as of Decemb ...