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Side-by-side financial comparison of IONIS PHARMACEUTICALS INC (IONS) and Mirion Technologies, Inc. (MIR). Click either name above to swap in a different company.

Mirion Technologies, Inc. is the larger business by last-quarter revenue ($257.6M vs $203.3M, roughly 1.3× IONIS PHARMACEUTICALS INC). On growth, Mirion Technologies, Inc. posted the faster year-over-year revenue change (27.5% vs -10.3%). Over the past eight quarters, IONIS PHARMACEUTICALS INC's revenue compounded faster (30.4% CAGR vs 11.5%).

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.

Mirion Technologies, Inc. is a global provider of radiation detection, monitoring, and safety solutions. Its core offerings include personal dosimetry systems, radiation imaging equipment, and risk management software, serving nuclear power, healthcare, defense, and industrial sectors across North America, Europe, and the Asia Pacific.

IONS vs MIR — Head-to-Head

Bigger by revenue
MIR
MIR
1.3× larger
MIR
$257.6M
$203.3M
IONS
Growing faster (revenue YoY)
MIR
MIR
+37.8% gap
MIR
27.5%
-10.3%
IONS
Faster 2-yr revenue CAGR
IONS
IONS
Annualised
IONS
30.4%
11.5%
MIR

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
IONS
IONS
MIR
MIR
Revenue
$203.3M
$257.6M
Net Profit
$-229.4M
Gross Margin
96.1%
46.2%
Operating Margin
-105.5%
1.4%
Net Margin
-112.8%
Revenue YoY
-10.3%
27.5%
Net Profit YoY
-119.8%
EPS (diluted)
$-1.35
$-0.01

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
IONS
IONS
MIR
MIR
Q1 26
$257.6M
Q4 25
$203.3M
$277.4M
Q3 25
$156.7M
$223.1M
Q2 25
$452.0M
$222.9M
Q1 25
$131.6M
$202.0M
Q4 24
$226.6M
$254.3M
Q3 24
$133.8M
$206.8M
Q2 24
$225.3M
$207.1M
Net Profit
IONS
IONS
MIR
MIR
Q1 26
Q4 25
$-229.4M
$17.3M
Q3 25
$-128.6M
$2.9M
Q2 25
$123.6M
$8.3M
Q1 25
$-146.9M
$300.0K
Q4 24
$-104.3M
$15.0M
Q3 24
$-140.5M
$-13.6M
Q2 24
$-66.3M
$-11.7M
Gross Margin
IONS
IONS
MIR
MIR
Q1 26
46.2%
Q4 25
96.1%
48.8%
Q3 25
98.5%
46.8%
Q2 25
99.1%
46.0%
Q1 25
98.9%
47.6%
Q4 24
98.3%
48.1%
Q3 24
99.2%
44.9%
Q2 24
98.2%
47.0%
Operating Margin
IONS
IONS
MIR
MIR
Q1 26
1.4%
Q4 25
-105.5%
9.2%
Q3 25
-102.2%
3.3%
Q2 25
30.9%
4.4%
Q1 25
-111.6%
4.3%
Q4 24
-48.9%
11.4%
Q3 24
-111.1%
-0.8%
Q2 24
-29.3%
1.1%
Net Margin
IONS
IONS
MIR
MIR
Q1 26
Q4 25
-112.8%
6.2%
Q3 25
-82.1%
1.3%
Q2 25
27.3%
3.7%
Q1 25
-111.6%
0.1%
Q4 24
-46.1%
5.9%
Q3 24
-105.0%
-6.6%
Q2 24
-29.4%
-5.6%
EPS (diluted)
IONS
IONS
MIR
MIR
Q1 26
$-0.01
Q4 25
$-1.35
$0.07
Q3 25
$-0.80
$0.01
Q2 25
$0.70
$0.03
Q1 25
$-0.93
$0.00
Q4 24
$-0.66
$0.08
Q3 24
$-0.95
$-0.07
Q2 24
$-0.45
$-0.06

Balance Sheet & Financial Strength

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

Metric
IONS
IONS
MIR
MIR
Cash + ST InvestmentsLiquidity on hand
$2.7B
$397.9M
Total DebtLower is stronger
$1.8B
Stockholders' EquityBook value
$489.1M
$1.9B
Total Assets
$3.5B
$3.5B
Debt / EquityLower = less leverage
3.71×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IONS
IONS
MIR
MIR
Q1 26
$397.9M
Q4 25
$2.7B
$412.3M
Q3 25
$2.2B
$933.2M
Q2 25
$2.3B
$262.6M
Q1 25
$2.1B
$185.8M
Q4 24
$2.3B
$175.2M
Q3 24
$2.5B
$133.3M
Q2 24
$2.1B
$122.2M
Total Debt
IONS
IONS
MIR
MIR
Q1 26
Q4 25
$1.8B
Q3 25
$444.8M
Q2 25
$444.9M
Q1 25
$686.6M
Q4 24
$1.3B
$686.4M
Q3 24
$685.1M
Q2 24
$684.1M
Stockholders' Equity
IONS
IONS
MIR
MIR
Q1 26
$1.9B
Q4 25
$489.1M
$1.9B
Q3 25
$618.0M
$1.8B
Q2 25
$631.7M
$1.5B
Q1 25
$475.7M
$1.5B
Q4 24
$588.4M
$1.5B
Q3 24
$662.5M
$1.5B
Q2 24
$263.7M
$1.5B
Total Assets
IONS
IONS
MIR
MIR
Q1 26
$3.5B
Q4 25
$3.5B
$3.6B
Q3 25
$3.0B
$3.5B
Q2 25
$3.0B
$2.7B
Q1 25
$2.8B
$2.6B
Q4 24
$3.0B
$2.6B
Q3 24
$3.1B
$2.7B
Q2 24
$2.7B
$2.6B
Debt / Equity
IONS
IONS
MIR
MIR
Q1 26
Q4 25
3.71×
Q3 25
0.24×
Q2 25
0.30×
Q1 25
0.46×
Q4 24
2.13×
0.46×
Q3 24
0.45×
Q2 24
0.45×

Cash Flow & Capital Efficiency

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

Metric
IONS
IONS
MIR
MIR
Operating Cash FlowLast quarter
$-137.7M
$18.9M
Free Cash FlowOCF − Capex
$-159.0M
FCF MarginFCF / Revenue
-78.2%
Capex IntensityCapex / Revenue
10.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-320.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IONS
IONS
MIR
MIR
Q1 26
$18.9M
Q4 25
$-137.7M
$73.0M
Q3 25
$-131.4M
$22.3M
Q2 25
$151.3M
$12.4M
Q1 25
$-150.8M
$35.6M
Q4 24
$-116.1M
$60.8M
Q3 24
$-115.0M
$17.1M
Q2 24
$-119.9M
$15.2M
Free Cash Flow
IONS
IONS
MIR
MIR
Q1 26
Q4 25
$-159.0M
$63.2M
Q3 25
$-136.7M
$13.0M
Q2 25
$139.0M
$3.6M
Q1 25
$-163.4M
$27.1M
Q4 24
$-141.6M
$49.1M
Q3 24
$-124.0M
$3.9M
Q2 24
$-126.1M
$4.1M
FCF Margin
IONS
IONS
MIR
MIR
Q1 26
Q4 25
-78.2%
22.8%
Q3 25
-87.2%
5.8%
Q2 25
30.8%
1.6%
Q1 25
-124.1%
13.4%
Q4 24
-62.5%
19.3%
Q3 24
-92.7%
1.9%
Q2 24
-56.0%
2.0%
Capex Intensity
IONS
IONS
MIR
MIR
Q1 26
Q4 25
10.5%
3.5%
Q3 25
3.4%
4.2%
Q2 25
2.7%
3.9%
Q1 25
9.6%
4.2%
Q4 24
11.3%
4.6%
Q3 24
6.8%
6.4%
Q2 24
2.8%
5.4%
Cash Conversion
IONS
IONS
MIR
MIR
Q1 26
Q4 25
4.22×
Q3 25
7.69×
Q2 25
1.22×
1.49×
Q1 25
118.67×
Q4 24
4.05×
Q3 24
Q2 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

MIR
MIR

Product$197.0M76%
Service$60.6M24%

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