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

Upstart Holdings, Inc. is the larger business by last-quarter revenue ($296.1M vs $291.6M, roughly 1.0× ADTRAN Holdings, Inc.). Upstart Holdings, Inc. runs the higher net margin — 6.3% vs -1.2%, a 7.5% gap on every dollar of revenue. On growth, Upstart Holdings, Inc. posted the faster year-over-year revenue change (35.2% vs 20.1%). Upstart Holdings, Inc. produced more free cash flow last quarter ($108.4M vs $30.6M). Over the past eight quarters, Upstart Holdings, Inc.'s revenue compounded faster (52.2% 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.

Upstart is an AI lending platform that partners with banks and credit unions to provide consumer loans using non-traditional variables, such as education and employment, to predict creditworthiness.

ADTN vs UPST — Head-to-Head

Bigger by revenue
UPST
UPST
1.0× larger
UPST
$296.1M
$291.6M
ADTN
Growing faster (revenue YoY)
UPST
UPST
+15.2% gap
UPST
35.2%
20.1%
ADTN
Higher net margin
UPST
UPST
7.5% more per $
UPST
6.3%
-1.2%
ADTN
More free cash flow
UPST
UPST
$77.8M more FCF
UPST
$108.4M
$30.6M
ADTN
Faster 2-yr revenue CAGR
UPST
UPST
Annualised
UPST
52.2%
13.5%
ADTN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ADTN
ADTN
UPST
UPST
Revenue
$291.6M
$296.1M
Net Profit
$-3.6M
$18.6M
Gross Margin
39.0%
Operating Margin
1.5%
6.4%
Net Margin
-1.2%
6.3%
Revenue YoY
20.1%
35.2%
Net Profit YoY
92.2%
776.4%
EPS (diluted)
$-0.02
$0.20

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
UPST
UPST
Q4 25
$291.6M
$296.1M
Q3 25
$279.4M
$277.1M
Q2 25
$265.1M
$257.3M
Q1 25
$247.7M
$213.4M
Q4 24
$242.9M
$219.0M
Q3 24
$227.7M
$162.1M
Q2 24
$226.0M
$127.6M
Q1 24
$226.2M
$127.8M
Net Profit
ADTN
ADTN
UPST
UPST
Q4 25
$-3.6M
$18.6M
Q3 25
$-10.3M
$31.8M
Q2 25
$-20.5M
$5.6M
Q1 25
$-11.3M
$-2.4M
Q4 24
$-46.1M
$-2.8M
Q3 24
$-33.3M
$-6.8M
Q2 24
$-49.7M
$-54.5M
Q1 24
$-330.8M
$-64.6M
Gross Margin
ADTN
ADTN
UPST
UPST
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
UPST
UPST
Q4 25
1.5%
6.4%
Q3 25
-1.0%
8.5%
Q2 25
-5.0%
1.8%
Q1 25
-1.6%
-2.1%
Q4 24
-6.9%
-2.2%
Q3 24
-11.5%
-27.8%
Q2 24
-17.0%
-43.5%
Q1 24
-153.1%
-52.8%
Net Margin
ADTN
ADTN
UPST
UPST
Q4 25
-1.2%
6.3%
Q3 25
-3.7%
11.5%
Q2 25
-7.7%
2.2%
Q1 25
-4.5%
-1.1%
Q4 24
-19.0%
-1.3%
Q3 24
-14.6%
-4.2%
Q2 24
-22.0%
-42.7%
Q1 24
-146.2%
-50.5%
EPS (diluted)
ADTN
ADTN
UPST
UPST
Q4 25
$-0.02
$0.20
Q3 25
$-0.12
$0.23
Q2 25
$-0.24
$0.05
Q1 25
$-0.14
$-0.03
Q4 24
$-0.58
$-0.01
Q3 24
$-0.38
$-0.07
Q2 24
$-0.63
$-0.62
Q1 24
$-4.20
$-0.74

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
UPST
UPST
Cash + ST InvestmentsLiquidity on hand
$95.7M
$652.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$145.8M
$798.8M
Total Assets
$1.2B
$3.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
UPST
UPST
Q4 25
$95.7M
$652.4M
Q3 25
$93.7M
$489.8M
Q2 25
$106.3M
$395.9M
Q1 25
$101.3M
$599.8M
Q4 24
$76.0M
$788.4M
Q3 24
$88.5M
Q2 24
$111.2M
Q1 24
$106.8M
Stockholders' Equity
ADTN
ADTN
UPST
UPST
Q4 25
$145.8M
$798.8M
Q3 25
$141.6M
$743.7M
Q2 25
$169.6M
$722.0M
Q1 25
$138.9M
$676.6M
Q4 24
$127.0M
$633.2M
Q3 24
$205.6M
$595.5M
Q2 24
$213.6M
$594.7M
Q1 24
$260.8M
$612.8M
Total Assets
ADTN
ADTN
UPST
UPST
Q4 25
$1.2B
$3.0B
Q3 25
$1.2B
$2.9B
Q2 25
$1.2B
$2.5B
Q1 25
$1.2B
$2.3B
Q4 24
$1.2B
$2.4B
Q3 24
$1.3B
$1.8B
Q2 24
$1.3B
$1.8B
Q1 24
$1.3B
$1.9B

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
UPST
UPST
Operating Cash FlowLast quarter
$42.2M
$108.6M
Free Cash FlowOCF − Capex
$30.6M
$108.4M
FCF MarginFCF / Revenue
10.5%
36.6%
Capex IntensityCapex / Revenue
4.0%
0.1%
Cash ConversionOCF / Net Profit
5.82×
TTM Free Cash FlowTrailing 4 quarters
$98.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADTN
ADTN
UPST
UPST
Q4 25
$42.2M
$108.6M
Q3 25
$12.2M
$-122.6M
Q2 25
$32.2M
$-120.2M
Q1 25
$43.2M
$-13.5M
Q4 24
$2.4M
$-110.9M
Q3 24
$43.3M
$179.3M
Q2 24
$19.9M
$65.3M
Q1 24
$37.9M
$52.6M
Free Cash Flow
ADTN
ADTN
UPST
UPST
Q4 25
$30.6M
$108.4M
Q3 25
$4.2M
$-122.7M
Q2 25
$27.5M
$-120.3M
Q1 25
$35.8M
Q4 24
$-895.0K
Q3 24
$37.1M
$179.2M
Q2 24
$8.4M
$65.3M
Q1 24
$24.4M
$51.9M
FCF Margin
ADTN
ADTN
UPST
UPST
Q4 25
10.5%
36.6%
Q3 25
1.5%
-44.3%
Q2 25
10.4%
-46.7%
Q1 25
14.4%
Q4 24
-0.4%
Q3 24
16.3%
110.5%
Q2 24
3.7%
51.1%
Q1 24
10.8%
40.6%
Capex Intensity
ADTN
ADTN
UPST
UPST
Q4 25
4.0%
0.1%
Q3 25
2.9%
0.0%
Q2 25
1.8%
0.0%
Q1 25
3.0%
0.0%
Q4 24
1.4%
0.0%
Q3 24
2.7%
0.1%
Q2 24
5.1%
0.0%
Q1 24
6.0%
0.5%
Cash Conversion
ADTN
ADTN
UPST
UPST
Q4 25
5.82×
Q3 25
-3.86×
Q2 25
-21.43×
Q1 25
Q4 24
Q3 24
Q2 24
Q1 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%

UPST
UPST

Personal Lending Segment$201.4M68%
Servicing Fees Net$39.5M13%
Servicing Fees$27.5M9%
Other$15.7M5%
Borrower Fees$8.4M3%
Collection Agency Fees$3.5M1%

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