INB

National bank with its head office in Springfield, Illinois, established in 1905 according to the FDIC.

INB reported total assets of $2.7 bn at Q2 2026, up 9.6% on a year earlier, the 471st largest of 497 banks in our US coverage. The CET1 capital ratio at INB was 12.19%, and the uninsured share of INB was 18.23%. Source: FDIC Call Reports.

Key takeaways

  • On common equity tier 1 (CET1) ratio, INB climbed from 390th to 317th among 448 US banks between and (1 = highest; FDIC Call Reports).
Total assets
$2.7 bn
+9.6% on a year earlier
Rank 471 of 497 1 = highest
CET1 capital ratio
12.19%
+0.71 pp on a year earlier
Rank 317 of 448 1 = highest
Return on equity
12.75%
+0.34 pp on a year earlier
Rank 223 of 500 1 = highest
Uninsured share of deposits
18.23%
-0.42 pp on a year earlier
Rank 427 of 500 1 = highest

What sets INB apart

How large is INB?

The balance sheet of INB at : assets $2.7 bn, deposits $2.4 bn, net loans $1.9 bn (loans equal to 80.07% of deposits). Securities make up 3.8% of total assets at INB. Since , when INB held $825.1 mn, its assets grew 225.3%. In the year to , deposits at INB rose 10.0% while its total assets rose 9.6%. At , INB employed 334 full-time equivalent staff across 14 offices, about $8.0 mn of assets per employee and $172.9 mn of deposits per office.

How much funding at INB is uninsured?

At INB, uninsured deposits (above the FDIC limit) made up 18.23% of domestic deposits at (-0.42 pp on a year earlier); INB ranks 427th of 500 on this measure. In dollars, INB estimated $441.3 mn of uninsured deposits.

Key facts, Q2 2026

MetricValueChange from a year earlierUS rank
Total deposits$2.4 bn+10.0%436th of 499
Net loans and leases$1.9 bn-1.7%450th of 500
Loan-to-deposit ratio80.07%-9.53 pp341st of 500
Tier 1 leverage ratio9.44%-0.23 pp375th of 500
Total risk-based capital ratio13.28%+0.75 pp325th of 448
Net interest margin3.21%+0.18 pp370th of 500
Return on assets (ROA)1.20%+0.05 pp310th of 500
Efficiency ratio63.82%-0.85 pp381st of 500 (1 = lowest)
Unrealized gain/loss on available-for-sale securitiesLoss of $4.8 mnNarrowed by $1.0 mn
Noncurrent loans to total loans1.10%+0.26 pp381st of 500 (1 = lowest)
Net charge-offs to average loans0.10%+0.12 pp262nd of 500 (1 = lowest)

US rank of INB: 1 = highest unless marked 1 = lowest.

Balance sheet

INB: assets, deposits and loans

USD bn
Total assets, deposits and net loans of INB each quarter; total assets were $2.7 bn at Q2 2026$426mn$1.0bn$1.6bn$2.2bn$2.8bn20182020202220242026Total assets$2.7bnDeposits$2.4bnNet loans$1.9bnTotal assets, deposits and net loans of INB each quarter; total assets were $2.7 bn at Q2 2026$426mn$1.2bn$2.0bn$2.8bn20202024
  • Total assets $2.7bn
  • Deposits $2.4bn
  • Net loans $1.9bn
to . FDIC Call Reports.

Capital and securities

The CET1 ratio of INB stood at 12.19% in , +0.71 pp year on year. Low and high at INB since : 10.28% () to 12.94% (). Equity capital of INB at : $243.3 mn, or 9.1% of total assets. INB also reported a total capital ratio of 13.28% for , and a tier 1 leverage ratio of 9.44%.

The available-for-sale portfolio of INB showed an unrealized loss of $4.8 mn at ; the loss narrowed by $1.0 mn over the year.

INB: capital ratios

Percent
CET1, total risk-based capital and tier 1 leverage ratios of INB, Q1 2016 to Q2 20267.1%8.9%11%13%14%20182020202220242026Total capital13%CET112%Tier 1 leverage9.4%CET1, total risk-based capital and tier 1 leverage ratios of INB, Q1 2016 to Q2 20267.1%9.5%12%14%20202024
  • Total capital 13%
  • CET1 12%
  • Tier 1 leverage 9.4%
to . FDIC Call Reports.

INB: unrealized securities gains and losses

USD bn
Unrealized gains and losses on available-for-sale and held-to-maturity securities of INB, Q1 2016 to Q2 2026-$17mn-$12mn-$6mn-$1mn$4mn20182020202220242026Held to maturity$0Available for sale-$5mnUnrealized gains and losses on available-for-sale and held-to-maturity securities of INB, Q1 2016 to Q2 2026-$17mn-$10mn-$3mn$4mn20202024
  • Available for sale -$5mn
  • Held to maturity $0
to . FDIC Call Reports.

Profitability and loan quality

For the year to , INB earned a return on equity of 12.75%; return on assets: 1.20%. Net interest margin at INB: 3.21%, +0.18 pp in a year. INB net income: $15.5 mn, up 11.6% year on year. The efficiency ratio of INB was 63.82%: about 64 cents cost per revenue dollar, against 56 cents at the median peer.

At , noncurrent loans were 1.10% of total loans at INB; net charge-offs: 0.10% of average loans. Gross loans and leases at INB: $2.0 bn, down 1.7% in a year.

INB: profitability

Percent, annualized
Return on equity, net interest margin and return on assets of INB, Q1 2016 to Q2 2026-0.9%3.3%7.5%12%16%20182020202220242026Return on equity13%Net interest margin3.2%Return on assets1.2%Return on equity, net interest margin and return on assets of INB, Q1 2016 to Q2 2026-0.9%4.7%10%16%20202024
  • Return on equity 13%
  • Net interest margin 3.2%
  • Return on assets 1.2%
to . FDIC Call Reports.

Peer group of INB

The peer group of INB is the 6 banks nearest to it by total assets at : 3 larger and 3 smaller. Of the peers, 1 shares the charter type of INB (national bank), 6 sit in the same size group ($1 bn to $10 bn) and 1 has its head office in Illinois. Against them, INB shows CET1 ratio 12.19% against a peer median of 13.81%, return on equity 12.75% against a peer median of 12.02% and uninsured deposit share 18.23% against a peer median of 39.13%.

BankCharterStateTotal assetsCET1 ratioReturn on equityUninsured share
Planters Bank & Trust CompanyState nonmember bankMS$2.7 bn15.29%11.63%38.75%
CalPrivate BankState nonmember bankCA$2.7 bn13.61%18.54%56.48%
Beverly Bank & Trust CompanyNational bankIL$2.7 bn11.43%15.97%27.51%
INBNational bankIL$2.7 bn12.19%12.75%18.23%
Interaudi BankState nonmember bankNY$2.7 bn18.12%12.32%57.15%
Machias Savings BankState-chartered stock savings bankME$2.7 bn14.01%8.83%16.38%
AvidbankState nonmember bankCA$2.7 bn11.83%11.72%39.51%

. FDIC Call Reports.

Last eight quarters

Two years at INB, to : assets +15.4%, deposits +15.4%, equity +15.4%. Staff 302 to 334; offices 13 to 14.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Total assets$2.3 bn$2.4 bn$2.4 bn$2.4 bn$2.5 bn$2.5 bn$2.5 bn$2.7 bn
Total deposits$2.1 bn$2.2 bn$2.2 bn$2.2 bn$2.2 bn$2.3 bn$2.3 bn$2.4 bn
Bank equity capital$210.8 mn$216.8 mn$224.7 mn$229.1 mn$235.0 mn$241.7 mn$243.1 mn$243.3 mn
CET1 ratio10.94%11.15%11.36%11.48%11.90%12.11%12.21%12.19%
Return on equity (ROE)7.90%9.27%12.23%12.41%13.16%12.58%12.30%12.75%
Uninsured share of domestic deposits17.79%18.35%17.57%18.64%17.56%18.61%19.36%18.23%
Full-time equivalent employees302295302317310306318334
Number of offices1313131414141414

FDIC Call Reports.

Mergers and acquisitions

No merger or acquisition by INB appears in the FDIC history since , and its total assets never moved more than 25% in one quarter.

Questions and identifiers

What were the total assets of INB?

INB reported $2.7 bn at in its Call Report. That makes INB the 471st largest of 497 banks in our US coverage.

Is INB the same as its holding company?

No. This page covers INB, FDIC certificate 3664; ILLINOIS NATIONAL BCORP INC (as reported to the FDIC), its holding company, reports separately to the Federal Reserve.

Is INB profitable?

INB reported net income of $15.5 mn for the year to ; annualized return on equity: 12.75%. So yes: INB made a profit over these months.

When is data for INB next updated?

Figures from INB for are due after .

Where can I check the figures for INB?

In the FDIC BankFind Suite record for certificate 3664, and in the Call Reports of INB (RSSD ID 925037) at the FFIEC Central Data Repository.