vs

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

ADTRAN Holdings, Inc. is the larger business by last-quarter revenue ($291.6M vs $199.4M, roughly 1.5× Ecovyst Inc.). On growth, Ecovyst Inc. posted the faster year-over-year revenue change (34.0% vs 20.1%). ADTRAN Holdings, Inc. produced more free cash flow last quarter ($30.6M vs $22.9M). Over the past eight quarters, Ecovyst Inc.'s revenue compounded faster (18.7% CAGR vs 13.5%).

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.

Ecovyst Inc. is a global sustainable specialty materials provider that develops and manufactures high-performance catalysts and functional additives. Its offerings serve key segments including industrial manufacturing, consumer goods, and environmental protection, helping clients improve operational efficiency and lower carbon emissions across North America, Europe, and Asia-Pacific markets.

ADTN vs ECVT — Head-to-Head

Bigger by revenue
ADTN
ADTN
1.5× larger
ADTN
$291.6M
$199.4M
ECVT
Growing faster (revenue YoY)
ECVT
ECVT
+13.9% gap
ECVT
34.0%
20.1%
ADTN
More free cash flow
ADTN
ADTN
$7.6M more FCF
ADTN
$30.6M
$22.9M
ECVT
Faster 2-yr revenue CAGR
ECVT
ECVT
Annualised
ECVT
18.7%
13.5%
ADTN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ADTN
ADTN
ECVT
ECVT
Revenue
$291.6M
$199.4M
Net Profit
$-3.6M
Gross Margin
39.0%
23.4%
Operating Margin
1.5%
10.9%
Net Margin
-1.2%
Revenue YoY
20.1%
34.0%
Net Profit YoY
92.2%
EPS (diluted)
$-0.02
$0.06

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
ECVT
ECVT
Q4 25
$291.6M
$199.4M
Q3 25
$279.4M
$204.9M
Q2 25
$265.1M
$176.1M
Q1 25
$247.7M
$143.1M
Q4 24
$242.9M
$148.9M
Q3 24
$227.7M
$153.9M
Q2 24
$226.0M
$154.0M
Q1 24
$226.2M
$141.6M
Net Profit
ADTN
ADTN
ECVT
ECVT
Q4 25
$-3.6M
Q3 25
$-10.3M
$-79.3M
Q2 25
$-20.5M
$6.0M
Q1 25
$-11.3M
$-3.6M
Q4 24
$-46.1M
Q3 24
$-33.3M
$14.3M
Q2 24
$-49.7M
$8.3M
Q1 24
$-330.8M
$1.2M
Gross Margin
ADTN
ADTN
ECVT
ECVT
Q4 25
39.0%
23.4%
Q3 25
38.3%
25.4%
Q2 25
37.3%
22.8%
Q1 25
38.4%
13.3%
Q4 24
36.9%
28.9%
Q3 24
36.5%
29.3%
Q2 24
36.0%
27.3%
Q1 24
31.1%
23.5%
Operating Margin
ADTN
ADTN
ECVT
ECVT
Q4 25
1.5%
10.9%
Q3 25
-1.0%
13.8%
Q2 25
-5.0%
9.0%
Q1 25
-1.6%
-0.7%
Q4 24
-6.9%
15.1%
Q3 24
-11.5%
17.9%
Q2 24
-17.0%
14.1%
Q1 24
-153.1%
9.5%
Net Margin
ADTN
ADTN
ECVT
ECVT
Q4 25
-1.2%
Q3 25
-3.7%
-38.7%
Q2 25
-7.7%
3.4%
Q1 25
-4.5%
-2.5%
Q4 24
-19.0%
Q3 24
-14.6%
9.3%
Q2 24
-22.0%
5.4%
Q1 24
-146.2%
0.9%
EPS (diluted)
ADTN
ADTN
ECVT
ECVT
Q4 25
$-0.02
$0.06
Q3 25
$-0.12
$-0.69
Q2 25
$-0.24
$0.05
Q1 25
$-0.14
$-0.03
Q4 24
$-0.58
$-0.26
Q3 24
$-0.38
$0.12
Q2 24
$-0.63
$0.07
Q1 24
$-4.20
$0.01

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
ECVT
ECVT
Cash + ST InvestmentsLiquidity on hand
$95.7M
$197.2M
Total DebtLower is stronger
$392.6M
Stockholders' EquityBook value
$145.8M
$603.4M
Total Assets
$1.2B
$1.3B
Debt / EquityLower = less leverage
0.65×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
ECVT
ECVT
Q4 25
$95.7M
$197.2M
Q3 25
$93.7M
$82.0M
Q2 25
$106.3M
$69.6M
Q1 25
$101.3M
$127.5M
Q4 24
$76.0M
$131.4M
Q3 24
$88.5M
$123.5M
Q2 24
$111.2M
$83.3M
Q1 24
$106.8M
$103.1M
Total Debt
ADTN
ADTN
ECVT
ECVT
Q4 25
$392.6M
Q3 25
$854.8M
Q2 25
$856.6M
Q1 25
$859.0M
Q4 24
$860.8M
Q3 24
$862.7M
Q2 24
$862.4M
Q1 24
$866.2M
Stockholders' Equity
ADTN
ADTN
ECVT
ECVT
Q4 25
$145.8M
$603.4M
Q3 25
$141.6M
$607.9M
Q2 25
$169.6M
$692.4M
Q1 25
$138.9M
$698.7M
Q4 24
$127.0M
$700.5M
Q3 24
$205.6M
$729.4M
Q2 24
$213.6M
$717.3M
Q1 24
$260.8M
$711.4M
Total Assets
ADTN
ADTN
ECVT
ECVT
Q4 25
$1.2B
$1.3B
Q3 25
$1.2B
$1.7B
Q2 25
$1.2B
$1.8B
Q1 25
$1.2B
$1.8B
Q4 24
$1.2B
$1.8B
Q3 24
$1.3B
$1.8B
Q2 24
$1.3B
$1.8B
Q1 24
$1.3B
$1.8B
Debt / Equity
ADTN
ADTN
ECVT
ECVT
Q4 25
0.65×
Q3 25
1.41×
Q2 25
1.24×
Q1 25
1.23×
Q4 24
1.23×
Q3 24
1.18×
Q2 24
1.20×
Q1 24
1.22×

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
ECVT
ECVT
Operating Cash FlowLast quarter
$42.2M
$41.8M
Free Cash FlowOCF − Capex
$30.6M
$22.9M
FCF MarginFCF / Revenue
10.5%
11.5%
Capex IntensityCapex / Revenue
4.0%
9.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$98.0M
$69.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADTN
ADTN
ECVT
ECVT
Q4 25
$42.2M
$41.8M
Q3 25
$12.2M
$55.3M
Q2 25
$32.2M
$33.0M
Q1 25
$43.2M
$10.3M
Q4 24
$2.4M
$43.5M
Q3 24
$43.3M
$59.9M
Q2 24
$19.9M
$10.0M
Q1 24
$37.9M
$36.5M
Free Cash Flow
ADTN
ADTN
ECVT
ECVT
Q4 25
$30.6M
$22.9M
Q3 25
$4.2M
$53.2M
Q2 25
$27.5M
$7.8M
Q1 25
$35.8M
$-14.0M
Q4 24
$-895.0K
$30.9M
Q3 24
$37.1M
$53.6M
Q2 24
$8.4M
$-9.3M
Q1 24
$24.4M
$19.1M
FCF Margin
ADTN
ADTN
ECVT
ECVT
Q4 25
10.5%
11.5%
Q3 25
1.5%
26.0%
Q2 25
10.4%
4.4%
Q1 25
14.4%
-9.8%
Q4 24
-0.4%
20.7%
Q3 24
16.3%
34.9%
Q2 24
3.7%
-6.1%
Q1 24
10.8%
13.5%
Capex Intensity
ADTN
ADTN
ECVT
ECVT
Q4 25
4.0%
9.4%
Q3 25
2.9%
1.0%
Q2 25
1.8%
14.4%
Q1 25
3.0%
16.9%
Q4 24
1.4%
8.5%
Q3 24
2.7%
4.1%
Q2 24
5.1%
12.5%
Q1 24
6.0%
12.3%
Cash Conversion
ADTN
ADTN
ECVT
ECVT
Q4 25
Q3 25
Q2 25
5.52×
Q1 25
Q4 24
Q3 24
4.21×
Q2 24
1.20×
Q1 24
29.90×

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%

ECVT
ECVT

Industrial Mining Automotive$101.3M51%
Regeneration And Treatment Services$90.0M45%
Other$8.1M4%

Related Comparisons