Company: WTFCN
Filing Date: 2025-11-06
Form Type: 10-Q
Source: 0001015328-25-000207
Chunk: 99

Company: WINTRUST FINANCIAL CORP
Filing Date: 2025-11-06
Form: 10-Q
Item: Item 1
Chunk 99
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15,341,805 $14,246,538 0.78 0.78 0.93 Net interest income/margin  (GAAP) (8)$567,010 $546,694 $502,583 3.48 %3.52 %3.49 %Fully taxable-equivalent adjustment2,829 2,880 3,144 0.02 0.02 0.02 Net interest income/margin, fully taxable-equivalent (non-GAAP) (8) $569,839 $549,574 $505,727 3.50 %3.54 %3.51 %

(1)Includes interest-bearing deposits with banks and securities purchased under resale agreements with original maturities of greater than three months. Cash equivalents include federal funds sold and securities purchased under resale agreements with original maturities of three months or less. 

(2)Investment securities includes investment securities classified as available-for-sale and held-to-maturity, and equity securities with readily determinable fair values. Equity securities without readily determinable fair values are included within other assets.

(3)Interest income on tax-advantaged loans, trading securities and investment securities reflects a tax-equivalent adjustment based on the marginal federal corporate tax rate in effect as of the applicable period. The total adjustments for the three months ended September 30, 2025, June 30, 2025 and September 30, 2024 were $2.8 million, $2.9 million and $3.1 million, respectively.

(4)Other earning assets include brokerage customer receivables and trading account securities.

(5)Loans, net of unearned income, include nonaccrual loans.

(6)Interest rate spread is the difference between the yield earned on earning assets and the rate paid on interest-bearing liabilities.

(7)Net free funds are the difference between total average earning assets and total average interest-bearing liabilities. The estimated contribution to net interest margin from net free funds is calculated using the rate paid for total interest-bearing liabilities.

(8)See “Supplemental Non-GAAP Financial Measures/Ratios” for additional information on this performance measure/ratio.

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Table of Contents

For the third quarter of 2025, net interest income totaled $567.0 million, an increase of $20.3 million as compared to the second quarter of 2025, and an increase of $64.