$26.4B
−6.5%y/y
Percentile by value58th percentileby value
FDIC
ASSETFI
First Interstate Bank
Billings, MontanaFDIC Cert #1105
STATEEstablished 1916290 branches
Holding company: FIRST INTRST BANCSYSTEMRegulator: FED
FDIC
CERT + OFFDOMBalance sheet & income statement
Financials
Reported balance-sheet positions and year-to-date earnings from the latest FDIC Call Report.
As of Q1 2026
Balance sheet trend
Assets & deposits
| Quarter | Assets | Deposits |
|---|---|---|
| Q2 2021 | $18.9B | $15.6B |
| Q3 2021 | $19.3B | $16B |
| Q4 2021 | $19.6B | $16.3B |
| Q1 2022 | $33.1B | $28.1B |
| Q2 2022 | $32B | $26.9B |
| Q3 2022 | $31.3B | $25.9B |
| Q4 2022 | $32.2B | $25.1B |
| Q1 2023 | $31.6B | $24.3B |
| Q2 2023 | $30.9B | $23.8B |
| Q3 2023 | $30.5B | $23.8B |
| Q4 2023 | $30.6B | $23.6B |
| Q1 2024 | $30.1B | $23.1B |
| Q2 2024 | $30.2B | $23.1B |
| Q3 2024 | $29.5B | $23.1B |
| Q4 2024 | $29.1B | $23.3B |
| Q1 2025 | $28.2B | $23B |
| Q2 2025 | $27.5B | $23B |
| Q3 2025 | $27.3B | $22.9B |
| Q4 2025 | $26.6B | $22.4B |
| Q1 2026 | $26.4B | $22.2B |
Balance sheet
Core assets, funding, and capital reported at quarter end.
$22.2B
−3.4%y/y
Percentile by value61st percentileby value
FDIC
DEP$14.8B
−14.8%y/y
Percentile by value50th percentileby value
FDIC
LNLSGR$14.6B
−14.9%y/y
Percentile by value50th percentileby value
FDIC
LNLSNET$8.01B
+6.7%y/y
Percentile by value79th percentileby value
FDIC
SC$1.21B
+38.7%y/y
Percentile by value61st percentileby value
FDIC
CHBAL$23.1B
−7.2%y/y
Percentile by value58th percentileby value
FDIC
LIAB$3.27B
−1.7%y/y
Peer standing61st percentile
FDIC
EQIncome statement
Year-to-date reported earnings and core revenue components.
$248M
−0.8%y/y
Peer standing52nd percentile
FDIC
NIM + NONII$205M
−1.8%y/y
Peer standing58th percentile
FDIC
NIM$42.1M
+4.5%y/y
Peer standing56th percentile
FDIC
NONII$6.59M
−67.0%y/y
Percentile by value52nd percentileby value
FDIC
ELNATR$86.6M
+14.6%y/y
Peer standing50th percentile
FDIC
PTAXNETINC$67.3M
+16.1%y/y
Peer standing49th percentile
FDIC
NETINC