vs

Side-by-side financial comparison of ADTRAN Holdings, Inc. (ADTN) and Mirion Technologies, Inc. (MIR). Click either name above to swap in a different company.

ADTRAN Holdings, Inc. is the larger business by last-quarter revenue ($291.6M vs $257.6M, roughly 1.1× Mirion Technologies, Inc.). On growth, Mirion Technologies, Inc. posted the faster year-over-year revenue change (27.5% vs 20.1%). Over the past eight quarters, ADTRAN Holdings, Inc.'s revenue compounded faster (13.5% CAGR vs 11.5%).

Adtran, Inc. is an American fiber networking and telecommunications company headquartered in Huntsville, Alabama. It is a vendor of both residential and enterprise networking equipment, along with administrative software for network management and deployment. Its customers include communications service providers, governments, enterprises and utilities.

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.

ADTN vs MIR — Head-to-Head

Bigger by revenue
ADTN
ADTN
1.1× larger
ADTN
$291.6M
$257.6M
MIR
Growing faster (revenue YoY)
MIR
MIR
+7.5% gap
MIR
27.5%
20.1%
ADTN
Faster 2-yr revenue CAGR
ADTN
ADTN
Annualised
ADTN
13.5%
11.5%
MIR

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ADTN
ADTN
MIR
MIR
Revenue
$291.6M
$257.6M
Net Profit
$-3.6M
Gross Margin
39.0%
46.2%
Operating Margin
1.5%
1.4%
Net Margin
-1.2%
Revenue YoY
20.1%
27.5%
Net Profit YoY
92.2%
EPS (diluted)
$-0.02
$-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
ADTN
ADTN
MIR
MIR
Q1 26
$257.6M
Q4 25
$291.6M
$277.4M
Q3 25
$279.4M
$223.1M
Q2 25
$265.1M
$222.9M
Q1 25
$247.7M
$202.0M
Q4 24
$242.9M
$254.3M
Q3 24
$227.7M
$206.8M
Q2 24
$226.0M
$207.1M
Net Profit
ADTN
ADTN
MIR
MIR
Q1 26
Q4 25
$-3.6M
$17.3M
Q3 25
$-10.3M
$2.9M
Q2 25
$-20.5M
$8.3M
Q1 25
$-11.3M
$300.0K
Q4 24
$-46.1M
$15.0M
Q3 24
$-33.3M
$-13.6M
Q2 24
$-49.7M
$-11.7M
Gross Margin
ADTN
ADTN
MIR
MIR
Q1 26
46.2%
Q4 25
39.0%
48.8%
Q3 25
38.3%
46.8%
Q2 25
37.3%
46.0%
Q1 25
38.4%
47.6%
Q4 24
36.9%
48.1%
Q3 24
36.5%
44.9%
Q2 24
36.0%
47.0%
Operating Margin
ADTN
ADTN
MIR
MIR
Q1 26
1.4%
Q4 25
1.5%
9.2%
Q3 25
-1.0%
3.3%
Q2 25
-5.0%
4.4%
Q1 25
-1.6%
4.3%
Q4 24
-6.9%
11.4%
Q3 24
-11.5%
-0.8%
Q2 24
-17.0%
1.1%
Net Margin
ADTN
ADTN
MIR
MIR
Q1 26
Q4 25
-1.2%
6.2%
Q3 25
-3.7%
1.3%
Q2 25
-7.7%
3.7%
Q1 25
-4.5%
0.1%
Q4 24
-19.0%
5.9%
Q3 24
-14.6%
-6.6%
Q2 24
-22.0%
-5.6%
EPS (diluted)
ADTN
ADTN
MIR
MIR
Q1 26
$-0.01
Q4 25
$-0.02
$0.07
Q3 25
$-0.12
$0.01
Q2 25
$-0.24
$0.03
Q1 25
$-0.14
$0.00
Q4 24
$-0.58
$0.08
Q3 24
$-0.38
$-0.07
Q2 24
$-0.63
$-0.06

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
MIR
MIR
Cash + ST InvestmentsLiquidity on hand
$95.7M
$397.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$145.8M
$1.9B
Total Assets
$1.2B
$3.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
MIR
MIR
Q1 26
$397.9M
Q4 25
$95.7M
$412.3M
Q3 25
$93.7M
$933.2M
Q2 25
$106.3M
$262.6M
Q1 25
$101.3M
$185.8M
Q4 24
$76.0M
$175.2M
Q3 24
$88.5M
$133.3M
Q2 24
$111.2M
$122.2M
Total Debt
ADTN
ADTN
MIR
MIR
Q1 26
Q4 25
Q3 25
$444.8M
Q2 25
$444.9M
Q1 25
$686.6M
Q4 24
$686.4M
Q3 24
$685.1M
Q2 24
$684.1M
Stockholders' Equity
ADTN
ADTN
MIR
MIR
Q1 26
$1.9B
Q4 25
$145.8M
$1.9B
Q3 25
$141.6M
$1.8B
Q2 25
$169.6M
$1.5B
Q1 25
$138.9M
$1.5B
Q4 24
$127.0M
$1.5B
Q3 24
$205.6M
$1.5B
Q2 24
$213.6M
$1.5B
Total Assets
ADTN
ADTN
MIR
MIR
Q1 26
$3.5B
Q4 25
$1.2B
$3.6B
Q3 25
$1.2B
$3.5B
Q2 25
$1.2B
$2.7B
Q1 25
$1.2B
$2.6B
Q4 24
$1.2B
$2.6B
Q3 24
$1.3B
$2.7B
Q2 24
$1.3B
$2.6B
Debt / Equity
ADTN
ADTN
MIR
MIR
Q1 26
Q4 25
Q3 25
0.24×
Q2 25
0.30×
Q1 25
0.46×
Q4 24
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
ADTN
ADTN
MIR
MIR
Operating Cash FlowLast quarter
$42.2M
$18.9M
Free Cash FlowOCF − Capex
$30.6M
FCF MarginFCF / Revenue
10.5%
Capex IntensityCapex / Revenue
4.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$98.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADTN
ADTN
MIR
MIR
Q1 26
$18.9M
Q4 25
$42.2M
$73.0M
Q3 25
$12.2M
$22.3M
Q2 25
$32.2M
$12.4M
Q1 25
$43.2M
$35.6M
Q4 24
$2.4M
$60.8M
Q3 24
$43.3M
$17.1M
Q2 24
$19.9M
$15.2M
Free Cash Flow
ADTN
ADTN
MIR
MIR
Q1 26
Q4 25
$30.6M
$63.2M
Q3 25
$4.2M
$13.0M
Q2 25
$27.5M
$3.6M
Q1 25
$35.8M
$27.1M
Q4 24
$-895.0K
$49.1M
Q3 24
$37.1M
$3.9M
Q2 24
$8.4M
$4.1M
FCF Margin
ADTN
ADTN
MIR
MIR
Q1 26
Q4 25
10.5%
22.8%
Q3 25
1.5%
5.8%
Q2 25
10.4%
1.6%
Q1 25
14.4%
13.4%
Q4 24
-0.4%
19.3%
Q3 24
16.3%
1.9%
Q2 24
3.7%
2.0%
Capex Intensity
ADTN
ADTN
MIR
MIR
Q1 26
Q4 25
4.0%
3.5%
Q3 25
2.9%
4.2%
Q2 25
1.8%
3.9%
Q1 25
3.0%
4.2%
Q4 24
1.4%
4.6%
Q3 24
2.7%
6.4%
Q2 24
5.1%
5.4%
Cash Conversion
ADTN
ADTN
MIR
MIR
Q1 26
Q4 25
4.22×
Q3 25
7.69×
Q2 25
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

ADTN
ADTN

Subscriber Solutions$96.2M33%
Optical Networking Solutions$81.8M28%
Access Aggregation Solutions$64.6M22%
Services And Support$48.9M17%

MIR
MIR

Product$197.0M76%
Service$60.6M24%

Related Comparisons