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Side-by-side financial comparison of FIRST INTERSTATE BANCSYSTEM INC (FIBK) and IONIS PHARMACEUTICALS INC (IONS). 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 $203.3M, roughly 1.5× IONIS PHARMACEUTICALS INC). FIRST INTERSTATE BANCSYSTEM INC runs the higher net margin — 34.8% vs -112.8%, a 147.6% 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, IONIS PHARMACEUTICALS INC's revenue compounded faster (30.4% 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.

Ionis Pharmaceuticals, Inc. is a biotechnology company that specializes in discovering and developing antisense therapy, as well as RNA interference and CRISPR therapeutics. The company was founded in 1989 is based in Carlsbad, California. The company was previously known as Isis Pharmaceuticals until December 2015.

FIBK vs IONS — Head-to-Head

Bigger by revenue
FIBK
FIBK
1.5× larger
FIBK
$313.0M
$203.3M
IONS
Growing faster (revenue YoY)
FIBK
FIBK
+30.0% gap
FIBK
19.8%
-10.3%
IONS
Higher net margin
FIBK
FIBK
147.6% more per $
FIBK
34.8%
-112.8%
IONS
Faster 2-yr revenue CAGR
IONS
IONS
Annualised
IONS
30.4%
13.7%
FIBK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FIBK
FIBK
IONS
IONS
Revenue
$313.0M
$203.3M
Net Profit
$108.8M
$-229.4M
Gross Margin
96.1%
Operating Margin
44.5%
-105.5%
Net Margin
34.8%
-112.8%
Revenue YoY
19.8%
-10.3%
Net Profit YoY
108.8%
-119.8%
EPS (diluted)
$1.07
$-1.35

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
IONS
IONS
Q4 25
$313.0M
$203.3M
Q3 25
$250.5M
$156.7M
Q2 25
$248.3M
$452.0M
Q1 25
$247.0M
$131.6M
Q4 24
$261.3M
$226.6M
Q3 24
$251.9M
$133.8M
Q2 24
$244.3M
$225.3M
Q1 24
$242.2M
$119.5M
Net Profit
FIBK
FIBK
IONS
IONS
Q4 25
$108.8M
$-229.4M
Q3 25
$71.4M
$-128.6M
Q2 25
$71.7M
$123.6M
Q1 25
$50.2M
$-146.9M
Q4 24
$52.1M
$-104.3M
Q3 24
$55.5M
$-140.5M
Q2 24
$60.0M
$-66.3M
Q1 24
$58.4M
$-142.8M
Gross Margin
FIBK
FIBK
IONS
IONS
Q4 25
96.1%
Q3 25
98.5%
Q2 25
99.1%
Q1 25
98.9%
Q4 24
98.3%
Q3 24
99.2%
Q2 24
98.2%
Q1 24
98.2%
Operating Margin
FIBK
FIBK
IONS
IONS
Q4 25
44.5%
-105.5%
Q3 25
37.0%
-102.2%
Q2 25
37.7%
30.9%
Q1 25
26.9%
-111.6%
Q4 24
25.5%
-48.9%
Q3 24
28.9%
-111.1%
Q2 24
32.1%
-29.3%
Q1 24
31.7%
-125.1%
Net Margin
FIBK
FIBK
IONS
IONS
Q4 25
34.8%
-112.8%
Q3 25
28.5%
-82.1%
Q2 25
28.9%
27.3%
Q1 25
20.3%
-111.6%
Q4 24
19.9%
-46.1%
Q3 24
22.0%
-105.0%
Q2 24
24.6%
-29.4%
Q1 24
24.1%
-119.5%
EPS (diluted)
FIBK
FIBK
IONS
IONS
Q4 25
$1.07
$-1.35
Q3 25
$0.69
$-0.80
Q2 25
$0.69
$0.70
Q1 25
$0.49
$-0.93
Q4 24
$0.50
$-0.66
Q3 24
$0.54
$-0.95
Q2 24
$0.58
$-0.45
Q1 24
$0.57
$-0.98

Balance Sheet & Financial Strength

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

Metric
FIBK
FIBK
IONS
IONS
Cash + ST InvestmentsLiquidity on hand
$2.7B
Total DebtLower is stronger
$146.3M
$1.8B
Stockholders' EquityBook value
$3.4B
$489.1M
Total Assets
$26.6B
$3.5B
Debt / EquityLower = less leverage
0.04×
3.71×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FIBK
FIBK
IONS
IONS
Q4 25
$2.7B
Q3 25
$2.2B
Q2 25
$2.3B
Q1 25
$2.1B
Q4 24
$2.3B
Q3 24
$2.5B
Q2 24
$2.1B
Q1 24
$2.2B
Total Debt
FIBK
FIBK
IONS
IONS
Q4 25
$146.3M
$1.8B
Q3 25
$146.2M
Q2 25
$252.0M
Q1 25
Q4 24
$132.2M
$1.3B
Q3 24
$137.3M
Q2 24
$383.4M
Q1 24
$370.8M
Stockholders' Equity
FIBK
FIBK
IONS
IONS
Q4 25
$3.4B
$489.1M
Q3 25
$3.4B
$618.0M
Q2 25
$3.4B
$631.7M
Q1 25
$3.4B
$475.7M
Q4 24
$3.3B
$588.4M
Q3 24
$3.4B
$662.5M
Q2 24
$3.2B
$263.7M
Q1 24
$3.2B
$296.5M
Total Assets
FIBK
FIBK
IONS
IONS
Q4 25
$26.6B
$3.5B
Q3 25
$27.3B
$3.0B
Q2 25
$27.6B
$3.0B
Q1 25
$28.3B
$2.8B
Q4 24
$29.1B
$3.0B
Q3 24
$29.6B
$3.1B
Q2 24
$30.3B
$2.7B
Q1 24
$30.1B
$2.8B
Debt / Equity
FIBK
FIBK
IONS
IONS
Q4 25
0.04×
3.71×
Q3 25
0.04×
Q2 25
0.07×
Q1 25
Q4 24
0.04×
2.13×
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
IONS
IONS
Operating Cash FlowLast quarter
$305.6M
$-137.7M
Free Cash FlowOCF − Capex
$-159.0M
FCF MarginFCF / Revenue
-78.2%
Capex IntensityCapex / Revenue
10.5%
Cash ConversionOCF / Net Profit
2.81×
TTM Free Cash FlowTrailing 4 quarters
$-320.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FIBK
FIBK
IONS
IONS
Q4 25
$305.6M
$-137.7M
Q3 25
$91.7M
$-131.4M
Q2 25
$68.1M
$151.3M
Q1 25
$78.5M
$-150.8M
Q4 24
$355.0M
$-116.1M
Q3 24
$89.9M
$-115.0M
Q2 24
$82.3M
$-119.9M
Q1 24
$87.6M
$-149.9M
Free Cash Flow
FIBK
FIBK
IONS
IONS
Q4 25
$-159.0M
Q3 25
$-136.7M
Q2 25
$139.0M
Q1 25
$-163.4M
Q4 24
$-141.6M
Q3 24
$-124.0M
Q2 24
$-126.1M
Q1 24
$-154.4M
FCF Margin
FIBK
FIBK
IONS
IONS
Q4 25
-78.2%
Q3 25
-87.2%
Q2 25
30.8%
Q1 25
-124.1%
Q4 24
-62.5%
Q3 24
-92.7%
Q2 24
-56.0%
Q1 24
-129.2%
Capex Intensity
FIBK
FIBK
IONS
IONS
Q4 25
10.5%
Q3 25
3.4%
Q2 25
2.7%
Q1 25
9.6%
Q4 24
11.3%
Q3 24
6.8%
Q2 24
2.8%
Q1 24
3.8%
Cash Conversion
FIBK
FIBK
IONS
IONS
Q4 25
2.81×
Q3 25
1.28×
Q2 25
0.95×
1.22×
Q1 25
1.56×
Q4 24
6.81×
Q3 24
1.62×
Q2 24
1.37×
Q1 24
1.50×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FIBK
FIBK

Segment breakdown not available.

IONS
IONS

Products$58.0M29%
Spinraza Royalties$54.0M27%
Collaborative Agreement Revenue$52.4M26%
Wainus Royalties$16.0M8%
Wainua Joint Development Revenue$9.6M5%
Other Commercial$7.6M4%
Other Royalties$5.7M3%

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