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

PROSPERITY BANCSHARES INC is the larger business by last-quarter revenue ($367.6M vs $291.6M, roughly 1.3× ADTRAN Holdings, Inc.). PROSPERITY BANCSHARES INC runs the higher net margin — 31.6% vs -1.2%, a 32.9% gap on every dollar of revenue. Over the past eight quarters, PROSPERITY BANCSHARES INC's revenue compounded faster (19.2% 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.

Prosperity Bancshares, Inc. is a bank holding company headquartered in Houston, Texas with operations in Texas and central Oklahoma. As of December 31, 2019, the company operated 285 branches: 65 in the Houston area, including The Woodlands, Texas; 30 in South Texas, including Corpus Christi, Texas and Victoria, Texas; 75 in the Dallas–Fort Worth metroplex; 22 in East Texas; 29 in Central Texas, including Austin, Texas and San Antonio; 34 in West Texas, including Lubbock, Texas, Midland–Odess...

ADTN vs PB — Head-to-Head

Bigger by revenue
PB
PB
1.3× larger
PB
$367.6M
$291.6M
ADTN
Higher net margin
PB
PB
32.9% more per $
PB
31.6%
-1.2%
ADTN
Faster 2-yr revenue CAGR
PB
PB
Annualised
PB
19.2%
13.5%
ADTN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ADTN
ADTN
PB
PB
Revenue
$291.6M
$367.6M
Net Profit
$-3.6M
$116.3M
Gross Margin
39.0%
Operating Margin
1.5%
Net Margin
-1.2%
31.6%
Revenue YoY
20.1%
Net Profit YoY
92.2%
-10.7%
EPS (diluted)
$-0.02
$1.16

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
PB
PB
Q1 26
$367.6M
Q4 25
$291.6M
$275.0M
Q3 25
$279.4M
$273.4M
Q2 25
$265.1M
$267.7M
Q1 25
$247.7M
$265.4M
Q4 24
$242.9M
$267.8M
Q3 24
$227.7M
$261.7M
Q2 24
$226.0M
$258.8M
Net Profit
ADTN
ADTN
PB
PB
Q1 26
$116.3M
Q4 25
$-3.6M
$139.9M
Q3 25
$-10.3M
$137.6M
Q2 25
$-20.5M
$135.2M
Q1 25
$-11.3M
$130.2M
Q4 24
$-46.1M
$130.1M
Q3 24
$-33.3M
$127.3M
Q2 24
$-49.7M
$111.6M
Gross Margin
ADTN
ADTN
PB
PB
Q1 26
Q4 25
39.0%
Q3 25
38.3%
Q2 25
37.3%
Q1 25
38.4%
Q4 24
36.9%
Q3 24
36.5%
Q2 24
36.0%
Operating Margin
ADTN
ADTN
PB
PB
Q1 26
Q4 25
1.5%
65.1%
Q3 25
-1.0%
64.4%
Q2 25
-5.0%
64.3%
Q1 25
-1.6%
62.7%
Q4 24
-6.9%
62.0%
Q3 24
-11.5%
62.1%
Q2 24
-17.0%
55.2%
Net Margin
ADTN
ADTN
PB
PB
Q1 26
31.6%
Q4 25
-1.2%
50.9%
Q3 25
-3.7%
50.3%
Q2 25
-7.7%
50.5%
Q1 25
-4.5%
49.1%
Q4 24
-19.0%
48.6%
Q3 24
-14.6%
48.6%
Q2 24
-22.0%
43.1%
EPS (diluted)
ADTN
ADTN
PB
PB
Q1 26
$1.16
Q4 25
$-0.02
$1.48
Q3 25
$-0.12
$1.45
Q2 25
$-0.24
$1.42
Q1 25
$-0.14
$1.37
Q4 24
$-0.58
$1.36
Q3 24
$-0.38
$1.34
Q2 24
$-0.63
$1.17

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
PB
PB
Cash + ST InvestmentsLiquidity on hand
$95.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$145.8M
$8.2B
Total Assets
$1.2B
$43.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
PB
PB
Q1 26
Q4 25
$95.7M
Q3 25
$93.7M
Q2 25
$106.3M
Q1 25
$101.3M
Q4 24
$76.0M
Q3 24
$88.5M
Q2 24
$111.2M
Stockholders' Equity
ADTN
ADTN
PB
PB
Q1 26
$8.2B
Q4 25
$145.8M
$7.6B
Q3 25
$141.6M
$7.7B
Q2 25
$169.6M
$7.6B
Q1 25
$138.9M
$7.5B
Q4 24
$127.0M
$7.4B
Q3 24
$205.6M
$7.4B
Q2 24
$213.6M
$7.3B
Total Assets
ADTN
ADTN
PB
PB
Q1 26
$43.6B
Q4 25
$1.2B
$38.5B
Q3 25
$1.2B
$38.3B
Q2 25
$1.2B
$38.4B
Q1 25
$1.2B
$38.8B
Q4 24
$1.2B
$39.6B
Q3 24
$1.3B
$40.1B
Q2 24
$1.3B
$39.8B

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
PB
PB
Operating Cash FlowLast quarter
$42.2M
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
PB
PB
Q1 26
Q4 25
$42.2M
$78.3M
Q3 25
$12.2M
$194.8M
Q2 25
$32.2M
$98.2M
Q1 25
$43.2M
$178.2M
Q4 24
$2.4M
$-205.8M
Q3 24
$43.3M
$274.6M
Q2 24
$19.9M
$216.5M
Free Cash Flow
ADTN
ADTN
PB
PB
Q1 26
Q4 25
$30.6M
$68.5M
Q3 25
$4.2M
$185.7M
Q2 25
$27.5M
$91.8M
Q1 25
$35.8M
$171.1M
Q4 24
$-895.0K
$-210.7M
Q3 24
$37.1M
$270.2M
Q2 24
$8.4M
$211.8M
FCF Margin
ADTN
ADTN
PB
PB
Q1 26
Q4 25
10.5%
24.9%
Q3 25
1.5%
67.9%
Q2 25
10.4%
34.3%
Q1 25
14.4%
64.5%
Q4 24
-0.4%
-78.7%
Q3 24
16.3%
103.3%
Q2 24
3.7%
81.8%
Capex Intensity
ADTN
ADTN
PB
PB
Q1 26
Q4 25
4.0%
3.6%
Q3 25
2.9%
3.3%
Q2 25
1.8%
2.4%
Q1 25
3.0%
2.7%
Q4 24
1.4%
1.8%
Q3 24
2.7%
1.7%
Q2 24
5.1%
1.8%
Cash Conversion
ADTN
ADTN
PB
PB
Q1 26
Q4 25
0.56×
Q3 25
1.42×
Q2 25
0.73×
Q1 25
1.37×
Q4 24
-1.58×
Q3 24
2.16×
Q2 24
1.94×

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%

PB
PB

Net Interest Income$321.1M87%
Noninterest Income$46.5M13%

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