The catalogue › United States › Great Lakes › Wisconsin
The state note · prepared 7 September 2026

Wisconsin

154 banks and 99 credit unions read from their latest filings, every institution ranked against the rest of the state.

Small-business lending ↓

Banks

154 banks filing · read from the 30 June 2026 Call Report
154
banks filing
$183B in assets
+6.0%
Loans, year over year
median; 36 above 10%, 23 shrinking
27.1%
CRE / loans
median
88.4%
Loans / deposits
median
0.28%
NPA / loans
median
10.5%
Equity / assets
median

Wisconsin's 154 banks hold $183B in assets at 30 June 2026. Associated Bank N.A. is the largest at $51.8B, and the five largest hold 47% of the total; 32 institutions are above $1B, holding $137B.

Loans grew a median +6.0% in the year to 30 June 2026: 36 institutions grew faster than 10% and 23 shrank. The median bank lends 88% of its deposits and holds commercial real estate at 27.1% of loans. Nonperforming loans sit at a median 0.28% of the book, return on assets at 1.24%, and equity at 10.5% of assets.

13 of the 154 are in the catalogue, each read from its own filing beside the banks its size in the state: Associated Bank N.A., Nicolet National Bank, Johnson Bank, National Exchange Bank & Trust, One Community Bank, North Shore Bank, Bank Five Nine, Waterstone Bank SSB, National Bank of Commerce, Incrediblebank, Peoples State Bank, Farmers & Merchants Bank, Farmers & Merchants Union Bank.

Who holds the state's assetseach institution's share of the $183B the state's 154 hold; the largest first, amber in the catalogue
Associated Bank N.A.: 28.3%AB28%Nicolet National Bank: 8.4%NN8%Johnson Bank: 3.9%JBBank First N A: 3.3%BFJohn Deere Financial FSB: 2.7%Town Bank National Association: 2.6%First Business Bank: 2.4%Lake Ridge Bank: 1.8%National Exchange Bank & Trust: 1.6%One Community Bank: 1.4%144 others 44%ABAssociated Bank N.A.28.3%NNNicolet National Bank8.4%JBJohnson Bank3.9%BFBank First N A3.3%JDJohn Deere Financial …2.7%TBTown Bank National As…2.6%FBFirst Business Bank2.4%LRLake Ridge Bank1.8%NENational Exchange Ban…1.6%OCOne Community Bank1.4%

Associated Bank N.A. holds 28.3% of the state's bank assets; the five largest hold 47%, and 32 of the 154 are above $1B.

How concentrated that iscumulative share of assets against the share of institutions, largest first; the Gini from the drawn curve
0%0%25%25%50%50%75%75%100%100%equal sharesThe largestAssociated Bank N.A.: 28% of the totalThe five largest47% of the totalThe ten largest56% of the totalGINI0.70 = equal shares · 1 = one holds everythingshare of institutions, largest first →↑ share of the total

The curve's distance from the diagonal is the concentration: 47% of the assets in 3% of the institutions. A Gini near zero would mean equal shares; one would mean a single holder.

What the state's banks lendthe loan book of every bank in the state, summed by category as filed
1-4 family residential, closed-end19.3%$25.9BCommercial & industrial16.7%$22.3BNonfarm nonresidential, non-owner-occupied14.8%$19.8BNonfarm nonresidential, owner-occupied10.9%$14.6BMultifamily10.1%$13.6BConstruction & land6.7%$9.0BAgricultural production4.4%$5.9BOther loans and leases4.2%$5.6BFarmland3.4%$4.6BAuto3.2%$4.3BHome equity lines2.7%$3.7BConsumer, other1.8%$2.4BStates & municipalities1.0%$1.3BCredit card0.7%$876M

1-4 family residential, closed-end is the largest category at 19.3% of the state's $134B in loans, then Commercial & industrial at 16.7% and Nonfarm nonresidential, non-owner-occupied at 14.8%.

Loans, year over yearWisconsin banks, 30 June 2026 against a year earlier · no better direction, largest first · the 25 highest of 152 · amber, in the catalogue
state median +6.0% NN Nicolet National Bank +64.5% GN Great North Bank +53.1% Bo Bank of Lake Mills +43.5% BC Bank CMG +40.0% BF Bank First N A +26.2% SB State Bank of Reeseville +25.6% FM Farmers & Merchants Union Bank +23.8% FC First Citizens State Bank +22.9% IB Ixonia Bank +19.4% AB Associated Bank N.A. +19.1% OC One Community Bank +18.2% WR Wolf River Community Bank +17.4% CS Collins State Bank +17.2% FS First State Bank +17.2% DS Dairy State Bank +15.7% WS Woodford State Bank +15.5% SB Security Bank +15.3% SB State Bank Financial +15.2% FB Forward Bank +13.9% Bo Bank of Brodhead +13.8% EB Ergo Bank +13.5% SB State Bank of Chilton +13.4% FN First National Community Bank +13.4% PS Peoples State Bank +13.1% CF Conservation First Bank +13.1%

Nicolet National Bank grew fastest at +64.5%; 36 grew faster than 10% and 23 shrank, Columbia Savings & Loan Association the most at -14.6%. The median is +6.0%.

Commercial real estate, share of loansWisconsin banks, 30 June 2026 · construction, multifamily and non-owner-occupied nonresidential; listed largest first · the 25 highest of 152 · amber, in the catalogue
state median 27.1% DC DMB Community Bank 80.5% RB River Bank 73.2% TC Tri City National Bank 66.8% Bo Bank of Wisconsin Dells 64.6% FM Farmers & Merchants State Bank 64.3% MB Marathon Bank 64.2% CB Capitol Bank 60.0% OC One Community Bank 59.4% PB Park Bank 59.4% CB Citizens Bank 58.8% WB Waterstone Bank SSB 58.1% BS Baraboo State Bank 54.3% Bo Bank of Alma 54.3% FF First Federal Bank of Wisconsin 52.1% Bo Bank of Sun Prairie 52.0% CS Citizens State Bank of Loan Assoc… 51.2% CN Ccfbank National Association 50.4% FB Forte Bank 49.9% WB Woodtrust Bank 49.2% FM Farmers & Merchants Union Bank 49.0% PB Pyramax Bank FSB 48.6% WB Westbury Bank 48.3% LR Lake Ridge Bank 47.4% NE National Exchange Bank & Trust 46.5% EB Equitable Bank SSB 46.5%

DMB Community Bank is the most CRE-weighted at 80.5% of loans; 43 of the 154 are above 40%, against a median of 27.1%.

Commercial real estate against capital, the 300% screenWisconsin banks, 30 June 2026 · the 2006 interagency guidance's screen; total risk-based capital where filed, Tier 1 for a CBLR filer; listed largest first · the 25 highest of 154 · amber, in the catalogue
state median 173% 300% screen DC DMB Community Bank 539% FM Farmers & Merchants State Bank 504% RB River Bank 465% PB Park Bank 424% EB Equitable Bank SSB 418% OC One Community Bank 396% Bo Bank of Wisconsin Dells 381% FM Farmers & Merchants Union Bank 366% MB Marathon Bank 361% FB Forte Bank 357% TC Tri City National Bank 348% Bo Bank of Sun Prairie 341% WB Westbury Bank 340% FB First Business Bank 340% UB Unity Bank 339% BC Bank CMG 333% CB Capitol Bank 333% CS Citizens State Bank of Loan Assoc… 329% LR Lake Ridge Bank 327% FS First State Bank 323% CN Ccfbank National Association 321% NB National Bank of Commerce 318% FM Farmers & Merchants Bank 313% CF Citizens First Bank 304% WB Waterstone Bank SSB 294%

24 of the 154 banks sit above the 300% screen, DMB Community Bank the highest at 539% of capital; the median is 173%. Crossing the screen is not a violation; it is the level at which examiners expect the risk-management practices the guidance describes.

Construction and land development against capital, the 100% screenWisconsin banks, 30 June 2026 · the guidance's first prong; listed largest first · the 25 highest of 154 · amber, in the catalogue
state median 36% 100% screen Bo Bank of Wisconsin Dells 123% Bo Bank of Milton 111% WS Waukesha State Bank 107% SB Spring Bank 104% Bo Bank of Deerfield 94% BF Bank Five Nine 94% BM Bristol Morgan Bank 92% RF River Falls State Bank 92% OC One Community Bank 90% CS Collins State Bank 87% Bo Bank of Kaukauna 84% FM Farmers & Merchants Union Bank 82% BC Bank CMG 82% BC BLC Community Bank 82% FB Fortifi Bank 81% Bo Bank of New Glarus 81% GM Great Midwest Bank SSB 81% NB National Bank of Commerce 81% PW Port Washington State Bank 74% WS Waldo State Bank 70% FC First Community Bank 70% SF Security Financial Bank 69% CC Crossbridge Community Bank 68% FB Forte Bank 66% FM Farmers & Merchants Bank 64%

4 of the 154 banks sit above the 100% construction screen, Bank of Wisconsin Dells the highest at 123%; the median is 36%.

Loans to depositsWisconsin banks, 30 June 2026 · listed highest first · the 25 highest of 154 · amber, in the catalogue
state median 88% JD John Deere Financial FSB 315% GM Great Midwest Bank SSB 151% FN First National Bank of Bangor 136% WB Waterstone Bank SSB 125% Bo Bank of Alma 121% IB Ixonia Bank 121% WP West Pointe Bank 119% BB Bankers Bank 118% FM Farmers & Merchants State Bank 117% DC DMB Community Bank 114% RB River Bank 113% FC First Citizens State Bank 111% SB Spring Bank 111% MB Marathon Bank 111% FF First Federal Bank of Wisconsin 110% CF Conservation First Bank 109% SB State Bank of Newburg 109% OC One Community Bank 108% WR Wolf River Community Bank 107% Bo Bank of Lake Mills 107% CS Citizens State Bank of Loan Assoc… 106% PC Paper City Savings Bank Sa 106% SB Security Bank 105% PB Park Bank 105% NB Northwestern Bank 104%

34 of the 154 lend more than they hold in deposits, John Deere Financial FSB the furthest at 315%; the median is 88%.

Nonperforming loans, share of loansWisconsin banks, 30 June 2026 · listed highest first · the 25 highest of 152 · amber, in the catalogue
state median 0.28% CS Columbia Savings & Loan Associati… 19.47% Bo Bank of Ontario 8.53% UB Unity Bank 8.39% HS Headwaters State Bank 6.35% HN Hiawatha National Bank 5.32% SB Spring Bank 2.70% CB Coulee Bank 2.50% WS Waldo State Bank 2.44% FB Fortifi Bank 2.40% Bo Bank of Milton 2.34% HS Highland State Bank 2.31% CN Ccfbank National Association 2.28% PB Park Bank National Association 2.23% LF Ladysmith Federal Savings & Loan … 2.03% BB Bay Bank 2.03% Bo Bank of New Glarus 1.99% FM Farmers & Merchants Bank 1.96% BF Bank Five Nine 1.91% EB Ergo Bank 1.74% SF Security Financial Bank 1.44% PS Peoples State Bank 1.40% GN Great North Bank 1.40% LS Laona State Bank 1.34% A Abbybank 1.34% WB Woodtrust Bank 1.33%

Columbia Savings & Loan Association carries the most nonperforming loans at 19.47% of the book; 31 of the 154 are above 1%, and the median is 0.28%.

The allowance against nonperforming loansthe twenty widest gaps between the reserve and the trouble it covers, both as shares of loans · bold, in the catalogue
0.00%1.00%2.00%3.00%4.00%5.00%6.00%NPA / loansAllowance / loansPBPark Bank National Association+4.03%NENational Exchange Bank & Trust+2.61%NPNekoosa Port Edwards State Bank+2.16%WPWest Pointe Bank+1.96%DSDairy State Bank+1.94%NBNorthwestern Bank+1.82%FMFarmers & Merchants Union Bank+1.82%BSBaraboo State Bank+1.81%FCFirst Citizens State Bank+1.79%BoBank of Mauston+1.69%WRWolf River Community Bank+1.63%OBOak Bank+1.61%BoBank of Wisconsin Dells+1.60%CBCapitol Bank+1.44%RBRoyal Bank+1.44%SSSecurity State Bank+1.39%BoBank of Prairie Du Sac+1.37%FNFirst National Bank of River Falls+1.34%BRBlack River Country Bank+1.29%FFFirst Federal Bank of Wisconsin+1.28%

The distance between the two dots is the reserve's headroom over the loans already in trouble. 31 of the 154 hold an allowance smaller than their nonperforming loans.

Return on assetsWisconsin banks, 30 June 2026 · listed highest first · the 25 highest of 154 · amber, in the catalogue
state median 1.24% NM Northwestern Mutual Wealth M 28.40% TT Thrivent Trust Co. 8.24% WB Woodtrust Bank 3.59% FN First National Bank of Bangor 3.45% Bo Bank of Alma 3.14% CS Citizens State Bank of Loan Assoc… 3.02% JD John Deere Financial FSB 2.82% SS Security State Bank 2.71% Bo Bank of Mauston 2.61% SB State Bank of Chilton 2.38% WS Waukesha State Bank 2.37% NB Northwestern Bank 2.37% WP West Pointe Bank 2.34% AB Alliance Bank 2.22% Bo Bank of Lake Mills 2.22% IB International Bank of Amherst 2.17% SB State Bank of Newburg 2.16% CF Conservation First Bank 2.11% CV Chippewa Valley Bank 2.03% NB National Bank of Commerce 1.99% CF Citizens First Bank 1.91% WR Wolf River Community Bank 1.89% CB Community Bank of Cameron 1.85% FC First Citizens State Bank 1.85% NP Nekoosa Port Edwards State Bank 1.81%

Northwestern Mutual Wealth M earns the most at 28.40% and Columbia Savings & Loan Association the least at -3.34%; 12 of the 154 earn under 0.50%, and the median is 1.24%.

The efficiency ratio, with the return beside itWisconsin banks, 30 June 2026 · cost as a share of revenue, lowest first; return on assets at the right · the 25 lowest of 154 · amber, in the catalogue
state median 62.1% Bo Bank of Alma 12.0% ROA 3.14% FN First National Bank of Bangor 16.9% ROA 3.45% JD John Deere Financial FSB 24.8% ROA 2.82% WB Woodtrust Bank 38.2% ROA 3.59% CF Cumberland Federal Bank FSB 39.2% ROA 1.35% WP West Pointe Bank 39.4% ROA 2.34% CS Citizens State Bank of Loan Assoc… 39.4% ROA 3.02% Bo Bank of Wisconsin Dells 39.7% ROA 1.74% SB State Bank of Newburg 39.7% ROA 2.16% Bo Bank of Prairie Du Sac 40.6% ROA 1.53% Bo Bank of Mauston 41.2% ROA 2.61% SB State Bank of Chilton 41.6% ROA 2.38% NP Nekoosa Port Edwards State Bank 42.3% ROA 1.81% TB Town Bank National Association 42.5% ROA 1.40% SS Security State Bank 43.9% ROA 2.71% NB Northwestern Bank 44.7% ROA 2.37% SB Security Bank 46.0% ROA 1.64% FM Farmers & Merchants Union Bank 46.5% ROA 1.62% BC BLC Community Bank 46.7% ROA 1.70% IB International Bank of Amherst 46.8% ROA 2.17% FC First Citizens State Bank 47.1% ROA 1.85% SB Spring Bank 47.1% ROA 1.52% AB Alliance Bank 47.6% ROA 2.22% RB River Bank 48.2% ROA 1.15% CV Chippewa Valley Bank 48.6% ROA 2.03%

Bank of Alma runs the leanest at 12.0% of revenue in cost; 17 of the 154 spend more than 80 cents of every revenue dollar, and the median is 62.1%.

The fifteen largest, 30 June 2026navy: the stronger half of each column; amber: the weaker; darker at the ends; bold rows are in the catalogue
InstitutionAssetsLoans YoYCRE / loansLoans / depositsNPA / loansROAEquity / assets
Associated Bank N.A.$51.8B+19.1%24.7%91%0.42%0.97%10.4%
Nicolet National Bank$15.4B+64.5%28.6%87%0.63%1.01%15.0%
Johnson Bank$7.1B+0.5%37.8%96%0.23%1.32%12.2%
Bank First N A$5.9B+26.2%30.9%90%0.56%1.54%13.6%
John Deere Financial FSB$4.9B+8.5%0.0%315%0.27%2.82%18.0%
Town Bank National Association$4.7B+6.2%20.0%92%0.22%1.40%10.3%
First Business Bank$4.4B+9.8%46.0%100%1.06%1.40%10.2%
Lake Ridge Bank$3.4B+2.1%47.4%88%0.34%1.04%10.5%
National Exchange Bank & Trust$2.9B+1.1%46.5%75%0.37%1.67%19.8%
One Community Bank$2.6B+18.2%59.4%108%0.58%1.31%12.7%
North Shore Bank$2.6B+7.1%45.0%95%0.10%1.01%15.3%
Bank Five Nine$2.5B+7.7%21.6%98%1.91%1.32%9.6%
Waterstone Bank SSB$2.3B+0.5%58.1%125%0.36%1.29%14.7%
National Bank of Commerce$2.2B+1.4%40.9%93%0.64%1.99%9.8%
Incrediblebank$2.1B+5.6%23.2%90%0.89%1.06%7.7%
Five years, 2021 to 2026the 154 institutions filing at both dates; dollars as growth, ratios in points
20212026Change
Loans, in total$85.5B$134B+57%
Deposits, in total$102B$144B+42%
NPA / loans, median0.38%0.28%-0.09 pts
Efficiency, median59.5%62.1%+2.5 pts
ROA, median1.32%1.24%-0.07 pts

Small-business lending

SBA 7(a) approvals into Wisconsin since FY2008, across every lender type

$9.3B of 7(a) credit has been approved into Wisconsin since FY2008 across 24,931 loans. Manufacturing is the largest category at 18.6%, Accommodation & food services at 15.2%, Retail trade at 14.3%; the three together are 48% of the money. The heaviest losses fall in Retail trade, at 2.88% of approvals charged off.

7(a) lenders in the state, share of approvalssince FY2008, 426 lenders on record; SBA 7(a) release as of the 2026 file; loans credited to the institution holding them today; amber, in the catalogue
BB Byline Bank 9.3% $864M · 860 loans BF Bank Five Nine 7.9% $733M · 1,782 loans BF Bank First, N.A. 4.7% $437M · 963 loans UB UMB Bank, National Association 3.8% $355M · 672 loans UB U.S. Bank, National Association 3.5% $324M · 1,831 loans NN Nicolet National Bank 3.2% $296M · 741 loans ON Old National Bank 3.0% $279M · 390 loans AB Associated Bank National Associat… 3.0% $278M · 2,089 loans LO Live Oak Banking Company 2.6% $246M · 206 loans SC Summit CU 2.6% $244M · 1,034 loans TH The Huntington National Bank 2.5% $231M · 765 loans WS Waukesha State Bank 2.4% $227M · 512 loans
What the state's 7(a) money financeseach industry's share of approvals since FY2008, the twelve largest
Manufacturing19.5%$1.7B · 3,183 loansAccommodation & food services15.9%$1.4B · 3,288 loansRetail trade14.9%$1.3B · 3,292 loansConstruction8.6%$765M · 2,754 loansHealth care & social assistance8.5%$761M · 2,000 loansOther services6.9%$612M · 2,270 loansProfessional & technical services5.8%$518M · 2,008 loansWholesale trade5.0%$448M · 990 loansTransportation & warehousing4.2%$372M · 1,210 loansArts, entertainment & recreation3.7%$333M · 845 loansAdministrative & waste services3.6%$321M · 1,229 loansReal estate & leasing3.4%$301M · 589 loans
The industries, with what defaultsapprovals, loans and charged-off dollars by industry since FY2008; a loss rate is charged-off over approved dollars, on settled and unsettled cohorts alike
IndustryApprovedLoansShareCharged offLoss rate
Manufacturing$1.7B3,18318.6%$39M2.24%
Accommodation & food services$1.4B3,28815.2%$35M2.45%
Retail trade$1.3B3,29214.3%$38M2.88%
Construction$765M2,7548.2%$17M2.24%
Health care & social assistance$761M2,0008.2%$10M1.37%
Other services$612M2,2706.6%$9M1.44%
Professional & technical services$518M2,0085.6%$9M1.73%
Wholesale trade$448M9904.8%$12M2.57%
Transportation & warehousing$372M1,2104.0%$4M1.10%
Arts, entertainment & recreation$333M8453.6%$9M2.78%
Administrative & waste services$321M1,2293.4%$4M1.36%
Real estate & leasing$301M5893.2%$5M1.68%
The largest county marketsapprovals since FY2008 and how many lenders have written there
CountyApprovedLoansLenders
Milwaukee$1.3B3,295144
Waukesha$1.1B2,902122
Dane$814M2,683141
Brown$470M1,22685
Outagamie$401M1,06691
Sheboygan$359M78959
Washington$341M82775
Winnebago$270M79076
Racine$255M80389
La Crosse$234M77050

Each institution in the catalogue has its own read, prepared for its board and management from the public record. The full pack on any Wisconsin institution, twenty sections from its own filing, is prepared on request.

Ask for a pack

Prepared 7 September 2026
Sources FFIEC Call Report and NCUA 5300 via the FDIC and NCUA; SBA 7(a) release
Cohort every institution filing in Wisconsin

Computed from each institution's own filing as published; medians are unweighted; no estimate, no adjustment; not a rating, not an audited statement and not a supervisory judgement.
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