Deposits

3 Months Ended

Mar. 31, 2025

Deposits [Abstract]

Deposits

Deposits

The following table is a summary of deposits as of the dates shown: 

(Dollars in thousands)	March 31, 2025			December 31, 2024			March 31, 2024
Balance:
Non-interest-bearing	$	11,201,859		$	11,410,018		$	9,908,183
NOW and interest-bearing demand deposits	6,340,168			5,865,546			5,720,947
Wealth management deposits	1,408,790			1,469,064			1,347,817
Money market	18,074,733			17,975,191			15,617,717
Savings	6,576,251			6,372,499			5,959,774
Time certificates of deposit	9,968,237			9,420,031			7,894,420
Total deposits	$	53,570,038		$	52,512,349		$	46,448,858
Mix:
Non-interest-bearing	21		%	22		%	21		%
NOW and interest-bearing demand deposits	12			11			12
Wealth management deposits	3			3			3
Money market	34			34			34
Savings	12			12			13
Time certificates of deposit	18			18			17
Total deposits	100		%	100		%	100		%

Wealth management deposits represent deposit balances (primarily money market accounts) at the Company’s subsidiary banks from brokerage customers of Wintrust Investments, LLC (“Wintrust Investments”), Chicago Deferred Exchange Company (“CDEC”) and trust and asset management customers of the Company.