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

FNB CORP is the larger business by last-quarter revenue ($366.0M vs $291.6M, roughly 1.3× ADTRAN Holdings, Inc.). FNB CORP runs the higher net margin — 45.9% vs -1.2%, a 47.1% gap on every dollar of revenue. On growth, ADTRAN Holdings, Inc. posted the faster year-over-year revenue change (20.1% vs 13.7%). FNB CORP produced more free cash flow last quarter ($99.0M vs $30.6M). Over the past eight quarters, ADTRAN Holdings, Inc.'s revenue compounded faster (13.5% CAGR vs 7.1%).

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.

FNB Corporation is a diversified financial services corporation based in Pittsburgh, Pennsylvania, and the holding company for its largest subsidiary, First National Bank. As of December 31, 2025, FNB has total assets of more than $50 billion. FNB's market coverage spans several major metropolitan areas, including Pittsburgh, Pennsylvania; Baltimore, Maryland; Cleveland, Ohio; Washington, D.C.; Charlotte, Raleigh, Durham and the Piedmont Triad in North Carolina; and Charleston, South Carolina...

ADTN vs FNB — Head-to-Head

Bigger by revenue
FNB
FNB
1.3× larger
FNB
$366.0M
$291.6M
ADTN
Growing faster (revenue YoY)
ADTN
ADTN
+6.4% gap
ADTN
20.1%
13.7%
FNB
Higher net margin
FNB
FNB
47.1% more per $
FNB
45.9%
-1.2%
ADTN
More free cash flow
FNB
FNB
$68.4M more FCF
FNB
$99.0M
$30.6M
ADTN
Faster 2-yr revenue CAGR
ADTN
ADTN
Annualised
ADTN
13.5%
7.1%
FNB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ADTN
ADTN
FNB
FNB
Revenue
$291.6M
$366.0M
Net Profit
$-3.6M
$168.0M
Gross Margin
39.0%
Operating Margin
1.5%
45.1%
Net Margin
-1.2%
45.9%
Revenue YoY
20.1%
13.7%
Net Profit YoY
92.2%
52.7%
EPS (diluted)
$-0.02
$0.47

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
FNB
FNB
Q4 25
$291.6M
$366.0M
Q3 25
$279.4M
$359.0M
Q2 25
$265.1M
$348.0M
Q1 25
$247.7M
$323.0M
Q4 24
$242.9M
$322.0M
Q3 24
$227.7M
$323.0M
Q2 24
$226.0M
$316.0M
Q1 24
$226.2M
$319.0M
Net Profit
ADTN
ADTN
FNB
FNB
Q4 25
$-3.6M
$168.0M
Q3 25
$-10.3M
$150.0M
Q2 25
$-20.5M
$130.0M
Q1 25
$-11.3M
$117.0M
Q4 24
$-46.1M
$110.0M
Q3 24
$-33.3M
$110.0M
Q2 24
$-49.7M
$123.0M
Q1 24
$-330.8M
$122.0M
Gross Margin
ADTN
ADTN
FNB
FNB
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%
Q1 24
31.1%
Operating Margin
ADTN
ADTN
FNB
FNB
Q4 25
1.5%
45.1%
Q3 25
-1.0%
52.9%
Q2 25
-5.0%
47.7%
Q1 25
-1.6%
45.8%
Q4 24
-6.9%
31.7%
Q3 24
-11.5%
43.3%
Q2 24
-17.0%
49.7%
Q1 24
-153.1%
48.9%
Net Margin
ADTN
ADTN
FNB
FNB
Q4 25
-1.2%
45.9%
Q3 25
-3.7%
41.8%
Q2 25
-7.7%
37.4%
Q1 25
-4.5%
36.2%
Q4 24
-19.0%
34.2%
Q3 24
-14.6%
34.1%
Q2 24
-22.0%
38.9%
Q1 24
-146.2%
38.2%
EPS (diluted)
ADTN
ADTN
FNB
FNB
Q4 25
$-0.02
$0.47
Q3 25
$-0.12
$0.41
Q2 25
$-0.24
$0.36
Q1 25
$-0.14
$0.32
Q4 24
$-0.58
$0.31
Q3 24
$-0.38
$0.30
Q2 24
$-0.63
$0.34
Q1 24
$-4.20
$0.32

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
FNB
FNB
Cash + ST InvestmentsLiquidity on hand
$95.7M
$2.5B
Total DebtLower is stronger
$1.9B
Stockholders' EquityBook value
$145.8M
$6.8B
Total Assets
$1.2B
$50.2B
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
FNB
FNB
Q4 25
$95.7M
$2.5B
Q3 25
$93.7M
$2.4B
Q2 25
$106.3M
$2.4B
Q1 25
$101.3M
$2.4B
Q4 24
$76.0M
$2.4B
Q3 24
$88.5M
$2.1B
Q2 24
$111.2M
$1.9B
Q1 24
$106.8M
$1.5B
Total Debt
ADTN
ADTN
FNB
FNB
Q4 25
$1.9B
Q3 25
$2.1B
Q2 25
$2.7B
Q1 25
$2.5B
Q4 24
$3.0B
Q3 24
$2.5B
Q2 24
$2.0B
Q1 24
$2.1B
Stockholders' Equity
ADTN
ADTN
FNB
FNB
Q4 25
$145.8M
$6.8B
Q3 25
$141.6M
$6.6B
Q2 25
$169.6M
$6.5B
Q1 25
$138.9M
$6.4B
Q4 24
$127.0M
$6.3B
Q3 24
$205.6M
$6.2B
Q2 24
$213.6M
$6.1B
Q1 24
$260.8M
$6.0B
Total Assets
ADTN
ADTN
FNB
FNB
Q4 25
$1.2B
$50.2B
Q3 25
$1.2B
$49.9B
Q2 25
$1.2B
$49.7B
Q1 25
$1.2B
$49.0B
Q4 24
$1.2B
$48.6B
Q3 24
$1.3B
$48.0B
Q2 24
$1.3B
$47.7B
Q1 24
$1.3B
$45.9B
Debt / Equity
ADTN
ADTN
FNB
FNB
Q4 25
0.28×
Q3 25
0.32×
Q2 25
0.41×
Q1 25
0.39×
Q4 24
0.48×
Q3 24
0.40×
Q2 24
0.33×
Q1 24
0.35×

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
FNB
FNB
Operating Cash FlowLast quarter
$42.2M
$128.0M
Free Cash FlowOCF − Capex
$30.6M
$99.0M
FCF MarginFCF / Revenue
10.5%
27.0%
Capex IntensityCapex / Revenue
4.0%
7.9%
Cash ConversionOCF / Net Profit
0.76×
TTM Free Cash FlowTrailing 4 quarters
$98.0M
$376.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADTN
ADTN
FNB
FNB
Q4 25
$42.2M
$128.0M
Q3 25
$12.2M
$167.0M
Q2 25
$32.2M
$123.0M
Q1 25
$43.2M
$64.0M
Q4 24
$2.4M
$326.0M
Q3 24
$43.3M
$-14.0M
Q2 24
$19.9M
$85.0M
Q1 24
$37.9M
$245.0M
Free Cash Flow
ADTN
ADTN
FNB
FNB
Q4 25
$30.6M
$99.0M
Q3 25
$4.2M
$149.0M
Q2 25
$27.5M
$85.0M
Q1 25
$35.8M
$43.0M
Q4 24
$-895.0K
$278.0M
Q3 24
$37.1M
$-46.0M
Q2 24
$8.4M
$55.0M
Q1 24
$24.4M
$216.0M
FCF Margin
ADTN
ADTN
FNB
FNB
Q4 25
10.5%
27.0%
Q3 25
1.5%
41.5%
Q2 25
10.4%
24.4%
Q1 25
14.4%
13.3%
Q4 24
-0.4%
86.3%
Q3 24
16.3%
-14.2%
Q2 24
3.7%
17.4%
Q1 24
10.8%
67.7%
Capex Intensity
ADTN
ADTN
FNB
FNB
Q4 25
4.0%
7.9%
Q3 25
2.9%
5.0%
Q2 25
1.8%
10.9%
Q1 25
3.0%
6.5%
Q4 24
1.4%
14.9%
Q3 24
2.7%
9.9%
Q2 24
5.1%
9.5%
Q1 24
6.0%
9.1%
Cash Conversion
ADTN
ADTN
FNB
FNB
Q4 25
0.76×
Q3 25
1.11×
Q2 25
0.95×
Q1 25
0.55×
Q4 24
2.96×
Q3 24
-0.13×
Q2 24
0.69×
Q1 24
2.01×

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%

FNB
FNB

Segment breakdown not available.

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