WINTRUST FINANCIAL CORP (WTFC) stock intrinsic value fair value estimate & owner earnings analysis

Wintrust Financial is a Chicago-based bank holding company with about $74.7 billion of assets and $61.1 billion of deposits at June 30, 2026. It runs a network of locally branded community banks across the Chicago area, southern Wisconsin, northwest Indiana and, since the August 2024 purchase of Macatawa Bank, west Michigan. Two specialty lenders set it apart: FIRST Insurance Funding (with FIFC Canada), which lends businesses the money to pay property-and-casualty insurance premiums and originated about $19.9 billion of those short-term loans in 2025, and Wintrust Life Finance, which finances life-insurance premiums. These loans are secured by unearned premiums or policy cash values and have produced very small losses: 0.19% of property-and-casualty premium loans in 2025 and essentially nothing on life premium loans. Total loans were $53.1 billion at the end of 2025, with commercial real estate of roughly $10.8 billion the main credit exposure to watch. Company-wide net charge-offs were $72.3 million in 2025, 0.14% of loans, down from 0.21% in 2024. The July 2026 agreement to buy Northern Trust's guardianship services business is small and adds nothing to our figures. How we measured earnings. A bank's reported operating cash flow mostly tracks mortgages it originates and sells, so it says little about earning power: Wintrust's was negative $518 million in 2020, a profitable year. We therefore started from net income available to common shareholders, added back depreciation and the amortization of acquired deposit relationships, and subtracted the cost of keeping branches and systems current. Loan-loss provisions stay in as a real cost. On this basis owner earnings were $3.69 per share in 2016, $4.69 in the 2020 pandemic year, $10.02 in 2023, $10.22 in 2024 and $12.11 in 2025, up 18.5% in the latest year. First-half 2026 earnings to common were $444 million, about 20% above the first half of 2025. The acquired-deposit amortization we add back (about $0.30 per share in 2025) is a wasting asset because acquired customers drift away; we allow for that by keeping growth well below the historical record rather than by cutting the starting level. The starting level. Bank earnings swing with interest rates and credit costs, so we measure them against the balance sheet over a full cycle. From 2018 to 2025, a stretch covering the 2020 credit scare, near-zero rates, the 2022-2023 rate increases and the cuts that followed, owner earnings averaged about 1.0% of assets, with recent years at 1.1-1.2%. Applying a normal 1.0% to today's roughly $1,093 of assets per diluted share gives a starting level of about $11.50 per share next year. That is above the 2021-2025 median of $10.02, because the balance sheet is about 50% larger per share than in 2021, but below the $12.11 of 2025 and the 2026 run rate. Our year-one figure therefore assumes earnings growth below the 18.5% actually achieved in 2025; we did not lift the level to the recent peak returns. Growth, and what it costs. Wintrust has grown for three decades by opening branches, adding customers in its premium finance businesses and making a steady run of small bank purchases, and it kept doing so through 2008-2010 and 2020. Assets per share have grown about 9% a year over the past decade. That record is the only growth we credit, and always at rates below it; we credit no market-share gains, new products or margin expansion. Growth is not free for a bank: it must hold roughly $9 of shareholder capital for every $100 of new assets, so every case subtracts that retained capital from what owners receive. After year ten we assume no further growth, with earnings held flat because a deposit franchise and lending niches built over 30 years keep earning as loans repay and are replaced. Debt and the preferred stock. For a bank, deposits and borrowings are the raw material it lends out, and their interest is already deducted from the earnings we value, so nothing further is subtracted; the value of the business is the value of the common shares. The one claim ranking ahead of common is the $425 million Series F preferred stock issued in May 2025 at 7.875%. Its roughly $33.5 million yearly dividend is deducted before the earnings we value, so it is not subtracted a second time. Base case, $217.38 per share: owner earnings of 1.0% of assets; assets per share grow 5% a year for five years, slowing to 2% by year ten, with the required capital retained; earnings then held flat at about $16.33 per share. The business is worth $217.38 per share, owes nothing further ahead of the common, and the shares are worth $217.38. Bear case, $143.14 per share: falling rates and competition for deposits push normal returns down to about 0.85% of assets, close to the 0.8% Wintrust earned in the low-rate years of 2016-2017, and a full credit cycle of the 2008-2010 kind hits in years two to four. We sized it from that episode, when Midwest commercial banks lost several percent of their loans over three years: about $1.5 billion of extra after-tax losses, roughly 3.7% of today's loans before tax, concentrated in commercial real estate and commercial loans, taking owner earnings to about $0.30 per share in year two, $1.30 in year three and $4.30 in year four before recovering to about $9.50. Growth stops for four years and runs at 2% after that. Because earnings stay slightly positive even at the trough and the bank entered with a 10.3% common equity tier 1 ratio against a 7.0% requirement including buffers, the case assumes no forced share issuance. Its terminal earnings settle at about $10.47 per share. The business is worth $143.14 per share, owes nothing further, and the shares are worth $143.14. That is above tangible book value of about $93 per share. We think the excess is earned even in a downturn because Wintrust's low-cost Chicago-area deposit base and its premium finance niches kept producing profits through 2008-2010 and 2020, and a franchise that keeps earning is worth more than its capital. Bull case, $276.36 per share: the 1.15% return on assets of 2023-2025 holds and assets per share grow 7% a year for four years, slowing to 3% by year ten, still below the 9% achieved over the past decade; earnings then held flat at about $21.66 per share. The business and the shares are each worth $276.36. Compared with our previous estimate ($145 / $215 / $272), the base and bull cases are slightly higher because six more months of balance-sheet growth lifted assets per share, while the bear case is slightly lower because it now carries a deeper, longer credit-loss cycle sized from 2008-2010 rather than a one-year shock similar to 2020. The margin-of-safety price. We are reasonably confident of the earnings level: it is measured against today's assets at a return the bank has met or beaten in every year since 2018 except the 2020 provision build, and it sits below current results. The worst plausible outcome is a commercial real estate and commercial loan downturn worse than our bear case, combined with near-zero rates squeezing lending margins; a bank holding roughly $11 of assets for every $1 of equity has little room if losses ran at twice the 2008-2010 pace, and that could force a share issue at depressed prices. Wintrust's structure helps: short-duration, well-collateralized premium finance loans make up roughly a third of the book, the deposit base is granular, and it has no controlling owner. If we are wrong about the normal return (0.85% instead of 1.0%) and growth stalls, the shares look worth around $145; if both happen alongside a severe credit cycle, closer to $120-130. Much of the value lies beyond year ten and depends on the bank staying well capitalized for decades. During the holding period the shares pay $2.20 a year in dividends, and normal earnings of about $11.50 per share on a $135 price is an 8.5% earnings yield that the bank largely reinvests in growing its balance sheet. At $135, roughly 1.45 times tangible book, we estimate the business itself compounds at low double digits, and the base case implies a move toward its value within an assumed three-to-four-year holding period that supplies the rest of a 20% annual return, while the bear case implies a value close to that price. Above that price, a single credit cycle could consume most of the return, so the margin-of-safety price is $135.