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Side-by-side financial comparison of FIRST INTERSTATE BANCSYSTEM INC (FIBK) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

FIRST INTERSTATE BANCSYSTEM INC is the larger business by last-quarter revenue ($313.0M vs $162.6M, roughly 1.9× Ribbon Communications Inc.). Ribbon Communications Inc. runs the higher net margin — 54.8% vs 34.8%, a 20.0% gap on every dollar of revenue. On growth, FIRST INTERSTATE BANCSYSTEM INC posted the faster year-over-year revenue change (19.8% vs -10.3%). Over the past eight quarters, FIRST INTERSTATE BANCSYSTEM INC's revenue compounded faster (13.7% CAGR vs -8.1%).

First Interstate BancSystem, Inc. is a financial holding company headquartered in Billings, Montana. It is the parent company of First Interstate Bank, a community bank with locations throughout 14 states within the Western and Midwestern United States. It is the largest bank based in Montana, as measured by total assets.

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

FIBK vs RBBN — Head-to-Head

Bigger by revenue
FIBK
FIBK
1.9× larger
FIBK
$313.0M
$162.6M
RBBN
Growing faster (revenue YoY)
FIBK
FIBK
+30.1% gap
FIBK
19.8%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
20.0% more per $
RBBN
54.8%
34.8%
FIBK
Faster 2-yr revenue CAGR
FIBK
FIBK
Annualised
FIBK
13.7%
-8.1%
RBBN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
FIBK
FIBK
RBBN
RBBN
Revenue
$313.0M
$162.6M
Net Profit
$108.8M
$89.1M
Gross Margin
42.9%
Operating Margin
44.5%
37.6%
Net Margin
34.8%
54.8%
Revenue YoY
19.8%
-10.3%
Net Profit YoY
108.8%
EPS (diluted)
$1.07
$0.50

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
FIBK
FIBK
RBBN
RBBN
Q1 26
$162.6M
Q4 25
$313.0M
$227.3M
Q3 25
$250.5M
$215.4M
Q2 25
$248.3M
$220.6M
Q1 25
$247.0M
$181.3M
Q4 24
$261.3M
$251.4M
Q3 24
$251.9M
$210.2M
Q2 24
$244.3M
$192.6M
Net Profit
FIBK
FIBK
RBBN
RBBN
Q1 26
$89.1M
Q4 25
$108.8M
Q3 25
$71.4M
$-12.1M
Q2 25
$71.7M
$-11.1M
Q1 25
$50.2M
$-26.2M
Q4 24
$52.1M
Q3 24
$55.5M
$-13.4M
Q2 24
$60.0M
$-16.8M
Gross Margin
FIBK
FIBK
RBBN
RBBN
Q1 26
42.9%
Q4 25
53.3%
Q3 25
50.1%
Q2 25
49.6%
Q1 25
45.4%
Q4 24
55.7%
Q3 24
52.1%
Q2 24
50.8%
Operating Margin
FIBK
FIBK
RBBN
RBBN
Q1 26
37.6%
Q4 25
44.5%
4.1%
Q3 25
37.0%
1.3%
Q2 25
37.7%
1.9%
Q1 25
26.9%
-10.8%
Q4 24
25.5%
13.2%
Q3 24
28.9%
-0.4%
Q2 24
32.1%
-1.0%
Net Margin
FIBK
FIBK
RBBN
RBBN
Q1 26
54.8%
Q4 25
34.8%
Q3 25
28.5%
-5.6%
Q2 25
28.9%
-5.0%
Q1 25
20.3%
-14.5%
Q4 24
19.9%
Q3 24
22.0%
-6.4%
Q2 24
24.6%
-8.7%
EPS (diluted)
FIBK
FIBK
RBBN
RBBN
Q1 26
$0.50
Q4 25
$1.07
$0.50
Q3 25
$0.69
$-0.07
Q2 25
$0.69
$-0.06
Q1 25
$0.49
$-0.15
Q4 24
$0.50
$0.05
Q3 24
$0.54
$-0.08
Q2 24
$0.58
$-0.10

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
FIBK
FIBK
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$67.6M
Total DebtLower is stronger
$146.3M
Stockholders' EquityBook value
$3.4B
$419.1M
Total Assets
$26.6B
Debt / EquityLower = less leverage
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FIBK
FIBK
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$96.4M
Q3 25
$74.8M
Q2 25
$60.5M
Q1 25
$71.2M
Q4 24
$87.8M
Q3 24
$37.2M
Q2 24
$64.6M
Total Debt
FIBK
FIBK
RBBN
RBBN
Q1 26
Q4 25
$146.3M
$342.1M
Q3 25
$146.2M
$344.3M
Q2 25
$252.0M
$346.5M
Q1 25
$347.4M
Q4 24
$132.2M
$348.3M
Q3 24
$137.3M
$349.1M
Q2 24
$383.4M
$350.0M
Stockholders' Equity
FIBK
FIBK
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$3.4B
$449.0M
Q3 25
$3.4B
$360.1M
Q2 25
$3.4B
$370.4M
Q1 25
$3.4B
$381.8M
Q4 24
$3.3B
$404.6M
Q3 24
$3.4B
$395.5M
Q2 24
$3.2B
$405.0M
Total Assets
FIBK
FIBK
RBBN
RBBN
Q1 26
Q4 25
$26.6B
$1.2B
Q3 25
$27.3B
$1.1B
Q2 25
$27.6B
$1.1B
Q1 25
$28.3B
$1.1B
Q4 24
$29.1B
$1.2B
Q3 24
$29.6B
$1.1B
Q2 24
$30.3B
$1.1B
Debt / Equity
FIBK
FIBK
RBBN
RBBN
Q1 26
Q4 25
0.04×
0.76×
Q3 25
0.04×
0.96×
Q2 25
0.07×
0.94×
Q1 25
0.91×
Q4 24
0.04×
0.86×
Q3 24
0.04×
0.88×
Q2 24
0.12×
0.86×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
FIBK
FIBK
RBBN
RBBN
Operating Cash FlowLast quarter
$305.6M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
2.81×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FIBK
FIBK
RBBN
RBBN
Q1 26
Q4 25
$305.6M
$29.2M
Q3 25
$91.7M
$26.5M
Q2 25
$68.1M
$-795.0K
Q1 25
$78.5M
$-3.5M
Q4 24
$355.0M
$61.8M
Q3 24
$89.9M
$-14.8M
Q2 24
$82.3M
$-9.8M
Free Cash Flow
FIBK
FIBK
RBBN
RBBN
Q1 26
Q4 25
$27.3M
Q3 25
$21.0M
Q2 25
$-6.5M
Q1 25
$-15.7M
Q4 24
$53.8M
Q3 24
$-23.7M
Q2 24
$-12.9M
FCF Margin
FIBK
FIBK
RBBN
RBBN
Q1 26
Q4 25
12.0%
Q3 25
9.7%
Q2 25
-2.9%
Q1 25
-8.7%
Q4 24
21.4%
Q3 24
-11.3%
Q2 24
-6.7%
Capex Intensity
FIBK
FIBK
RBBN
RBBN
Q1 26
Q4 25
0.9%
Q3 25
2.6%
Q2 25
2.6%
Q1 25
6.7%
Q4 24
3.2%
Q3 24
4.2%
Q2 24
1.6%
Cash Conversion
FIBK
FIBK
RBBN
RBBN
Q1 26
Q4 25
2.81×
Q3 25
1.28×
Q2 25
0.95×
Q1 25
1.56×
Q4 24
6.81×
Q3 24
1.62×
Q2 24
1.37×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

FIBK
FIBK

Segment breakdown not available.

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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