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

Penumbra Inc is the larger business by last-quarter revenue ($385.4M vs $313.0M, roughly 1.2× FIRST INTERSTATE BANCSYSTEM INC). FIRST INTERSTATE BANCSYSTEM INC runs the higher net margin — 34.8% vs 12.3%, a 22.5% gap on every dollar of revenue. On growth, Penumbra Inc posted the faster year-over-year revenue change (22.1% vs 19.8%). Over the past eight quarters, Penumbra Inc's revenue compounded faster (17.6% CAGR vs 13.7%).

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.

Penumbra, Inc. is an American medical device company headquartered in Alameda, California. The company was founded by Arani Bose and Adam Elsesser in 2004. It manufactures devices for interventional therapies to treat vascular conditions such as stroke and aneurysm.

FIBK vs PEN — Head-to-Head

Bigger by revenue
PEN
PEN
1.2× larger
PEN
$385.4M
$313.0M
FIBK
Growing faster (revenue YoY)
PEN
PEN
+2.4% gap
PEN
22.1%
19.8%
FIBK
Higher net margin
FIBK
FIBK
22.5% more per $
FIBK
34.8%
12.3%
PEN
Faster 2-yr revenue CAGR
PEN
PEN
Annualised
PEN
17.6%
13.7%
FIBK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FIBK
FIBK
PEN
PEN
Revenue
$313.0M
$385.4M
Net Profit
$108.8M
$47.3M
Gross Margin
68.0%
Operating Margin
44.5%
15.4%
Net Margin
34.8%
12.3%
Revenue YoY
19.8%
22.1%
Net Profit YoY
108.8%
40.6%
EPS (diluted)
$1.07
$1.20

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
PEN
PEN
Q4 25
$313.0M
$385.4M
Q3 25
$250.5M
$354.7M
Q2 25
$248.3M
$339.5M
Q1 25
$247.0M
$324.1M
Q4 24
$261.3M
$315.5M
Q3 24
$251.9M
$301.0M
Q2 24
$244.3M
$299.4M
Q1 24
$242.2M
$278.7M
Net Profit
FIBK
FIBK
PEN
PEN
Q4 25
$108.8M
$47.3M
Q3 25
$71.4M
$45.9M
Q2 25
$71.7M
$45.3M
Q1 25
$50.2M
$39.2M
Q4 24
$52.1M
$33.7M
Q3 24
$55.5M
$29.5M
Q2 24
$60.0M
$-60.2M
Q1 24
$58.4M
$11.0M
Gross Margin
FIBK
FIBK
PEN
PEN
Q4 25
68.0%
Q3 25
67.8%
Q2 25
66.0%
Q1 25
66.6%
Q4 24
66.8%
Q3 24
66.5%
Q2 24
54.4%
Q1 24
65.0%
Operating Margin
FIBK
FIBK
PEN
PEN
Q4 25
44.5%
15.4%
Q3 25
37.0%
13.8%
Q2 25
37.7%
12.0%
Q1 25
26.9%
12.4%
Q4 24
25.5%
13.6%
Q3 24
28.9%
11.7%
Q2 24
32.1%
-27.0%
Q1 24
31.7%
4.3%
Net Margin
FIBK
FIBK
PEN
PEN
Q4 25
34.8%
12.3%
Q3 25
28.5%
12.9%
Q2 25
28.9%
13.3%
Q1 25
20.3%
12.1%
Q4 24
19.9%
10.7%
Q3 24
22.0%
9.8%
Q2 24
24.6%
-20.1%
Q1 24
24.1%
3.9%
EPS (diluted)
FIBK
FIBK
PEN
PEN
Q4 25
$1.07
$1.20
Q3 25
$0.69
$1.17
Q2 25
$0.69
$1.15
Q1 25
$0.49
$1.00
Q4 24
$0.50
$0.88
Q3 24
$0.54
$0.75
Q2 24
$0.58
$-1.55
Q1 24
$0.57
$0.28

Balance Sheet & Financial Strength

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

Metric
FIBK
FIBK
PEN
PEN
Cash + ST InvestmentsLiquidity on hand
$186.9M
Total DebtLower is stronger
$146.3M
Stockholders' EquityBook value
$3.4B
$1.4B
Total Assets
$26.6B
$1.8B
Debt / EquityLower = less leverage
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FIBK
FIBK
PEN
PEN
Q4 25
$186.9M
Q3 25
$321.0M
Q2 25
$421.8M
Q1 25
$376.1M
Q4 24
$324.4M
Q3 24
$280.5M
Q2 24
$288.3M
Q1 24
$223.1M
Total Debt
FIBK
FIBK
PEN
PEN
Q4 25
$146.3M
Q3 25
$146.2M
Q2 25
$252.0M
Q1 25
Q4 24
$132.2M
Q3 24
$137.3M
Q2 24
$383.4M
Q1 24
$370.8M
Stockholders' Equity
FIBK
FIBK
PEN
PEN
Q4 25
$3.4B
$1.4B
Q3 25
$3.4B
$1.4B
Q2 25
$3.4B
$1.3B
Q1 25
$3.4B
$1.2B
Q4 24
$3.3B
$1.2B
Q3 24
$3.4B
$1.1B
Q2 24
$3.2B
$1.2B
Q1 24
$3.2B
$1.2B
Total Assets
FIBK
FIBK
PEN
PEN
Q4 25
$26.6B
$1.8B
Q3 25
$27.3B
$1.7B
Q2 25
$27.6B
$1.7B
Q1 25
$28.3B
$1.6B
Q4 24
$29.1B
$1.5B
Q3 24
$29.6B
$1.5B
Q2 24
$30.3B
$1.5B
Q1 24
$30.1B
$1.6B
Debt / Equity
FIBK
FIBK
PEN
PEN
Q4 25
0.04×
Q3 25
0.04×
Q2 25
0.07×
Q1 25
Q4 24
0.04×
Q3 24
0.04×
Q2 24
0.12×
Q1 24
0.12×

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
PEN
PEN
Operating Cash FlowLast quarter
$305.6M
$86.5M
Free Cash FlowOCF − Capex
$68.0M
FCF MarginFCF / Revenue
17.7%
Capex IntensityCapex / Revenue
4.8%
Cash ConversionOCF / Net Profit
2.81×
1.83×
TTM Free Cash FlowTrailing 4 quarters
$174.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FIBK
FIBK
PEN
PEN
Q4 25
$305.6M
$86.5M
Q3 25
$91.7M
$58.3M
Q2 25
$68.1M
$44.9M
Q1 25
$78.5M
$49.0M
Q4 24
$355.0M
$51.1M
Q3 24
$89.9M
$56.5M
Q2 24
$82.3M
$22.6M
Q1 24
$87.6M
$38.3M
Free Cash Flow
FIBK
FIBK
PEN
PEN
Q4 25
$68.0M
Q3 25
$42.0M
Q2 25
$29.4M
Q1 25
$35.5M
Q4 24
$45.7M
Q3 24
$51.0M
Q2 24
$18.1M
Q1 24
$32.5M
FCF Margin
FIBK
FIBK
PEN
PEN
Q4 25
17.7%
Q3 25
11.8%
Q2 25
8.7%
Q1 25
11.0%
Q4 24
14.5%
Q3 24
16.9%
Q2 24
6.0%
Q1 24
11.7%
Capex Intensity
FIBK
FIBK
PEN
PEN
Q4 25
4.8%
Q3 25
4.6%
Q2 25
4.6%
Q1 25
4.2%
Q4 24
1.7%
Q3 24
1.8%
Q2 24
1.5%
Q1 24
2.1%
Cash Conversion
FIBK
FIBK
PEN
PEN
Q4 25
2.81×
1.83×
Q3 25
1.28×
1.27×
Q2 25
0.95×
0.99×
Q1 25
1.56×
1.25×
Q4 24
6.81×
1.52×
Q3 24
1.62×
1.91×
Q2 24
1.37×
Q1 24
1.50×
3.48×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FIBK
FIBK

Segment breakdown not available.

PEN
PEN

Thrombectomy$254.7M66%
Other$130.7M34%

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