vs

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

ADTRAN Holdings, Inc. is the larger business by last-quarter revenue ($291.6M vs $190.3M, roughly 1.5× Empire State Realty Trust, Inc.). Empire State Realty Trust, Inc. runs the higher net margin — 1.6% vs -1.2%, a 2.8% gap on every dollar of revenue. On growth, ADTRAN Holdings, Inc. posted the faster year-over-year revenue change (20.1% vs 5.7%). Over the past eight quarters, ADTRAN Holdings, Inc.'s revenue compounded faster (13.5% CAGR vs 0.2%).

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 Trust is a leading real estate investment trust that owns, manages, and operates a portfolio of premium commercial, residential, and retail properties primarily in the New York City metropolitan area, including the iconic Empire State Building. It serves corporate tenants, retail partners, and residential occupants, focusing on sustainable property operations and long-term asset value growth.

ADTN vs ESRT — Head-to-Head

Bigger by revenue
ADTN
ADTN
1.5× larger
ADTN
$291.6M
$190.3M
ESRT
Growing faster (revenue YoY)
ADTN
ADTN
+14.4% gap
ADTN
20.1%
5.7%
ESRT
Higher net margin
ESRT
ESRT
2.8% more per $
ESRT
1.6%
-1.2%
ADTN
Faster 2-yr revenue CAGR
ADTN
ADTN
Annualised
ADTN
13.5%
0.2%
ESRT

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ADTN
ADTN
ESRT
ESRT
Revenue
$291.6M
$190.3M
Net Profit
$-3.6M
$3.0M
Gross Margin
39.0%
Operating Margin
1.5%
15.5%
Net Margin
-1.2%
1.6%
Revenue YoY
20.1%
5.7%
Net Profit YoY
92.2%
-73.7%
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
ESRT
ESRT
Q1 26
$190.3M
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
Net Profit
ADTN
ADTN
ESRT
ESRT
Q1 26
$3.0M
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
Gross Margin
ADTN
ADTN
ESRT
ESRT
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
ESRT
ESRT
Q1 26
15.5%
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%
Net Margin
ADTN
ADTN
ESRT
ESRT
Q1 26
1.6%
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%
EPS (diluted)
ADTN
ADTN
ESRT
ESRT
Q1 26
$0.20
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

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
ESRT
ESRT
Cash + ST InvestmentsLiquidity on hand
$95.7M
$68.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$145.8M
$1.8B
Total Assets
$1.2B
$4.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
ESRT
ESRT
Q1 26
$68.8M
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
Stockholders' Equity
ADTN
ADTN
ESRT
ESRT
Q1 26
$1.8B
Q4 25
$145.8M
$1.1B
Q3 25
$141.6M
$1.0B
Q2 25
$169.6M
$1.0B
Q1 25
$138.9M
$1.0B
Q4 24
$127.0M
$1.0B
Q3 24
$205.6M
$1.0B
Q2 24
$213.6M
$1.0B
Total Assets
ADTN
ADTN
ESRT
ESRT
Q1 26
$4.4B
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

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
ESRT
ESRT
Operating Cash FlowLast quarter
$42.2M
Free Cash FlowOCF − Capex
$30.6M
FCF MarginFCF / Revenue
10.5%
Capex IntensityCapex / Revenue
4.0%
10.0%
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
ESRT
ESRT
Q1 26
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
Free Cash Flow
ADTN
ADTN
ESRT
ESRT
Q1 26
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
FCF Margin
ADTN
ADTN
ESRT
ESRT
Q1 26
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%
Capex Intensity
ADTN
ADTN
ESRT
ESRT
Q1 26
10.0%
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%
Cash Conversion
ADTN
ADTN
ESRT
ESRT
Q1 26
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×

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%

ESRT
ESRT

Rental revenue (1)$166.1M87%
Observatory revenue$18.5M10%
Other revenue and fees$4.1M2%
Lease termination fees$1.4M1%
Third-party management and other fees$277.0K0%

Related Comparisons