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Side-by-side financial comparison of ADTRAN Holdings, Inc. (ADTN) and Empire State Realty OP, L.P. (ESBA). Click either name above to swap in a different company.

ADTRAN Holdings, Inc. is the larger business by last-quarter revenue ($291.6M vs $199.2M, roughly 1.5× Empire State Realty OP, L.P.). Empire State Realty OP, L.P. runs the higher net margin — 16.1% vs -1.2%, a 17.4% gap on every dollar of revenue. On growth, ADTRAN Holdings, Inc. posted the faster year-over-year revenue change (20.1% vs 0.8%). Empire State Realty OP, L.P. produced more free cash flow last quarter ($50.6M vs $30.6M). Over the past eight quarters, ADTRAN Holdings, Inc.'s revenue compounded faster (13.5% CAGR vs 4.9%).

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.

Empire State Realty OP, L.P. is a real estate operating partnership focused on owning, managing, and leasing premium commercial and retail properties primarily in the New York City metropolitan area. Its portfolio includes iconic landmarks like the Empire State Building, serving corporate tenants, retail brands and tourism-related business segments.

ADTN vs ESBA — Head-to-Head

Bigger by revenue
ADTN
ADTN
1.5× larger
ADTN
$291.6M
$199.2M
ESBA
Growing faster (revenue YoY)
ADTN
ADTN
+19.2% gap
ADTN
20.1%
0.8%
ESBA
Higher net margin
ESBA
ESBA
17.4% more per $
ESBA
16.1%
-1.2%
ADTN
More free cash flow
ESBA
ESBA
$20.0M more FCF
ESBA
$50.6M
$30.6M
ADTN
Faster 2-yr revenue CAGR
ADTN
ADTN
Annualised
ADTN
13.5%
4.9%
ESBA

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ADTN
ADTN
ESBA
ESBA
Revenue
$291.6M
$199.2M
Net Profit
$-3.6M
$32.2M
Gross Margin
39.0%
Operating Margin
1.5%
17.8%
Net Margin
-1.2%
16.1%
Revenue YoY
20.1%
0.8%
Net Profit YoY
92.2%
71.2%
EPS (diluted)
$-0.02
$0.11

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
ESBA
ESBA
Q4 25
$291.6M
$199.2M
Q3 25
$279.4M
$197.7M
Q2 25
$265.1M
$191.3M
Q1 25
$247.7M
$180.1M
Q4 24
$242.9M
$197.6M
Q3 24
$227.7M
$199.6M
Q2 24
$226.0M
$189.5M
Q1 24
$226.2M
$181.2M
Net Profit
ADTN
ADTN
ESBA
ESBA
Q4 25
$-3.6M
$32.2M
Q3 25
$-10.3M
$13.6M
Q2 25
$-20.5M
$11.4M
Q1 25
$-11.3M
$15.8M
Q4 24
$-46.1M
$18.8M
Q3 24
$-33.3M
$22.8M
Q2 24
$-49.7M
$28.6M
Q1 24
$-330.8M
$10.2M
Gross Margin
ADTN
ADTN
ESBA
ESBA
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
ESBA
ESBA
Q4 25
1.5%
17.8%
Q3 25
-1.0%
19.9%
Q2 25
-5.0%
18.4%
Q1 25
-1.6%
14.3%
Q4 24
-6.9%
21.7%
Q3 24
-11.5%
22.7%
Q2 24
-17.0%
20.8%
Q1 24
-153.1%
17.1%
Net Margin
ADTN
ADTN
ESBA
ESBA
Q4 25
-1.2%
16.1%
Q3 25
-3.7%
6.9%
Q2 25
-7.7%
6.0%
Q1 25
-4.5%
8.8%
Q4 24
-19.0%
9.5%
Q3 24
-14.6%
11.4%
Q2 24
-22.0%
15.1%
Q1 24
-146.2%
5.6%
EPS (diluted)
ADTN
ADTN
ESBA
ESBA
Q4 25
$-0.02
$0.11
Q3 25
$-0.12
$0.05
Q2 25
$-0.24
$0.04
Q1 25
$-0.14
$0.05
Q4 24
$-0.58
$0.07
Q3 24
$-0.38
$0.08
Q2 24
$-0.63
$0.10
Q1 24
$-4.20
$0.03

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
ESBA
ESBA
Cash + ST InvestmentsLiquidity on hand
$95.7M
$132.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$145.8M
Total Assets
$1.2B
$4.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
ESBA
ESBA
Q4 25
$95.7M
$132.7M
Q3 25
$93.7M
$154.1M
Q2 25
$106.3M
$94.6M
Q1 25
$101.3M
$187.8M
Q4 24
$76.0M
$385.5M
Q3 24
$88.5M
$421.9M
Q2 24
$111.2M
$535.5M
Q1 24
$106.8M
$333.6M
Stockholders' Equity
ADTN
ADTN
ESBA
ESBA
Q4 25
$145.8M
Q3 25
$141.6M
Q2 25
$169.6M
Q1 25
$138.9M
Q4 24
$127.0M
Q3 24
$205.6M
Q2 24
$213.6M
Q1 24
$260.8M
Total Assets
ADTN
ADTN
ESBA
ESBA
Q4 25
$1.2B
$4.5B
Q3 25
$1.2B
$4.1B
Q2 25
$1.2B
$4.1B
Q1 25
$1.2B
$4.1B
Q4 24
$1.2B
$4.5B
Q3 24
$1.3B
$4.4B
Q2 24
$1.3B
$4.4B
Q1 24
$1.3B
$4.2B

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
ESBA
ESBA
Operating Cash FlowLast quarter
$42.2M
$249.1M
Free Cash FlowOCF − Capex
$30.6M
$50.6M
FCF MarginFCF / Revenue
10.5%
25.4%
Capex IntensityCapex / Revenue
4.0%
99.6%
Cash ConversionOCF / Net Profit
7.74×
TTM Free Cash FlowTrailing 4 quarters
$98.0M
$109.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADTN
ADTN
ESBA
ESBA
Q4 25
$42.2M
$249.1M
Q3 25
$12.2M
$105.3M
Q2 25
$32.2M
$26.7M
Q1 25
$43.2M
$83.1M
Q4 24
$2.4M
$260.9M
Q3 24
$43.3M
$102.8M
Q2 24
$19.9M
$37.1M
Q1 24
$37.9M
$70.9M
Free Cash Flow
ADTN
ADTN
ESBA
ESBA
Q4 25
$30.6M
$50.6M
Q3 25
$4.2M
$72.8M
Q2 25
$27.5M
$-55.1M
Q1 25
$35.8M
$41.1M
Q4 24
$-895.0K
$88.0M
Q3 24
$37.1M
$-65.1M
Q2 24
$8.4M
$19.5M
Q1 24
$24.4M
$23.2M
FCF Margin
ADTN
ADTN
ESBA
ESBA
Q4 25
10.5%
25.4%
Q3 25
1.5%
36.8%
Q2 25
10.4%
-28.8%
Q1 25
14.4%
22.8%
Q4 24
-0.4%
44.5%
Q3 24
16.3%
-32.6%
Q2 24
3.7%
10.3%
Q1 24
10.8%
12.8%
Capex Intensity
ADTN
ADTN
ESBA
ESBA
Q4 25
4.0%
99.6%
Q3 25
2.9%
16.5%
Q2 25
1.8%
42.8%
Q1 25
3.0%
23.4%
Q4 24
1.4%
87.5%
Q3 24
2.7%
84.1%
Q2 24
5.1%
9.3%
Q1 24
6.0%
26.3%
Cash Conversion
ADTN
ADTN
ESBA
ESBA
Q4 25
7.74×
Q3 25
7.72×
Q2 25
2.35×
Q1 25
5.27×
Q4 24
13.88×
Q3 24
4.51×
Q2 24
1.30×
Q1 24
6.94×

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%

ESBA
ESBA

Real Estate Segment$163.8M82%
Observatory Segment$35.2M18%

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