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

Iridium Communications Inc. is the larger business by last-quarter revenue ($219.1M vs $199.2M, roughly 1.1× Empire State Realty OP, L.P.). Empire State Realty OP, L.P. runs the higher net margin — 16.1% vs 9.9%, a 6.3% gap on every dollar of revenue. On growth, Iridium Communications Inc. posted the faster year-over-year revenue change (1.9% vs 0.8%). Over the past eight quarters, Empire State Realty OP, L.P.'s revenue compounded faster (4.9% CAGR vs 4.4%).

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.

Iridium Communications Inc. is a publicly traded American company headquartered in McLean, Virginia, United States. Iridium operates the Iridium satellite constellation, a system of 80 satellites: 66 are active satellites and the remaining fourteen function as in-orbit spares. Iridium Satellites are used for worldwide voice and data communication from handheld satellite phones, satellite messenger communication devices and integrated transceivers, as well as for two-way satellite messaging se...

ESBA vs IRDM — Head-to-Head

Bigger by revenue
IRDM
IRDM
1.1× larger
IRDM
$219.1M
$199.2M
ESBA
Growing faster (revenue YoY)
IRDM
IRDM
+1.1% gap
IRDM
1.9%
0.8%
ESBA
Higher net margin
ESBA
ESBA
6.3% more per $
ESBA
16.1%
9.9%
IRDM
Faster 2-yr revenue CAGR
ESBA
ESBA
Annualised
ESBA
4.9%
4.4%
IRDM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ESBA
ESBA
IRDM
IRDM
Revenue
$199.2M
$219.1M
Net Profit
$32.2M
$21.6M
Gross Margin
Operating Margin
17.8%
23.2%
Net Margin
16.1%
9.9%
Revenue YoY
0.8%
1.9%
Net Profit YoY
71.2%
EPS (diluted)
$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
ESBA
ESBA
IRDM
IRDM
Q1 26
$219.1M
Q4 25
$199.2M
$212.9M
Q3 25
$197.7M
$226.9M
Q2 25
$191.3M
$216.9M
Q1 25
$180.1M
$214.9M
Q4 24
$197.6M
$213.0M
Q3 24
$199.6M
$212.8M
Q2 24
$189.5M
$201.1M
Net Profit
ESBA
ESBA
IRDM
IRDM
Q1 26
$21.6M
Q4 25
$32.2M
$24.9M
Q3 25
$13.6M
$37.1M
Q2 25
$11.4M
$22.0M
Q1 25
$15.8M
$30.4M
Q4 24
$18.8M
$36.3M
Q3 24
$22.8M
$24.4M
Q2 24
$28.6M
$32.3M
Operating Margin
ESBA
ESBA
IRDM
IRDM
Q1 26
23.2%
Q4 25
17.8%
25.9%
Q3 25
19.9%
30.9%
Q2 25
18.4%
23.2%
Q1 25
14.3%
28.1%
Q4 24
21.7%
24.5%
Q3 24
22.7%
25.8%
Q2 24
20.8%
21.7%
Net Margin
ESBA
ESBA
IRDM
IRDM
Q1 26
9.9%
Q4 25
16.1%
11.7%
Q3 25
6.9%
16.4%
Q2 25
6.0%
10.1%
Q1 25
8.8%
14.2%
Q4 24
9.5%
17.1%
Q3 24
11.4%
11.5%
Q2 24
15.1%
16.1%
EPS (diluted)
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
$0.11
$0.24
Q3 25
$0.05
$0.35
Q2 25
$0.04
$0.20
Q1 25
$0.05
$0.27
Q4 24
$0.07
$0.30
Q3 24
$0.08
$0.21
Q2 24
$0.10
$0.27

Balance Sheet & Financial Strength

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

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

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
$132.7M
$96.5M
Q3 25
$154.1M
$88.5M
Q2 25
$94.6M
$79.3M
Q1 25
$187.8M
$50.9M
Q4 24
$385.5M
$93.5M
Q3 24
$421.9M
$159.6M
Q2 24
$535.5M
$63.5M
Total Debt
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
$1.8B
Q3 25
Q2 25
Q1 25
Q4 24
$1.8B
Q3 24
Q2 24
Stockholders' Equity
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
$462.6M
Q3 25
$450.5M
Q2 25
$473.6M
Q1 25
$518.4M
Q4 24
$576.6M
Q3 24
$663.8M
Q2 24
$786.7M
Total Assets
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
$4.5B
$2.5B
Q3 25
$4.1B
$2.6B
Q2 25
$4.1B
$2.6B
Q1 25
$4.1B
$2.6B
Q4 24
$4.5B
$2.7B
Q3 24
$4.4B
$2.8B
Q2 24
$4.4B
$2.7B
Debt / Equity
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
3.80×
Q3 25
Q2 25
Q1 25
Q4 24
3.05×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ESBA
ESBA
IRDM
IRDM
Operating Cash FlowLast quarter
$249.1M
Free Cash FlowOCF − Capex
$50.6M
FCF MarginFCF / Revenue
25.4%
Capex IntensityCapex / Revenue
99.6%
13.7%
Cash ConversionOCF / Net Profit
7.74×
TTM Free Cash FlowTrailing 4 quarters
$109.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
$249.1M
$108.6M
Q3 25
$105.3M
$100.8M
Q2 25
$26.7M
$129.6M
Q1 25
$83.1M
$61.1M
Q4 24
$260.9M
$104.8M
Q3 24
$102.8M
$118.6M
Q2 24
$37.1M
$81.1M
Free Cash Flow
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
$50.6M
$75.1M
Q3 25
$72.8M
$79.2M
Q2 25
$-55.1M
$108.9M
Q1 25
$41.1M
$36.5M
Q4 24
$88.0M
$80.5M
Q3 24
$-65.1M
$100.0M
Q2 24
$19.5M
$68.7M
FCF Margin
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
25.4%
35.3%
Q3 25
36.8%
34.9%
Q2 25
-28.8%
50.2%
Q1 25
22.8%
17.0%
Q4 24
44.5%
37.8%
Q3 24
-32.6%
47.0%
Q2 24
10.3%
34.2%
Capex Intensity
ESBA
ESBA
IRDM
IRDM
Q1 26
13.7%
Q4 25
99.6%
15.7%
Q3 25
16.5%
9.5%
Q2 25
42.8%
9.5%
Q1 25
23.4%
11.4%
Q4 24
87.5%
11.4%
Q3 24
84.1%
8.7%
Q2 24
9.3%
6.2%
Cash Conversion
ESBA
ESBA
IRDM
IRDM
Q1 26
Q4 25
7.74×
4.37×
Q3 25
7.72×
2.71×
Q2 25
2.35×
5.90×
Q1 25
5.27×
2.01×
Q4 24
13.88×
2.88×
Q3 24
4.51×
4.85×
Q2 24
1.30×
2.51×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ESBA
ESBA

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

IRDM
IRDM

Voice and data$57.4M26%
IoT data (2)$46.0M21%
Government$39.5M18%
Government service revenue (5)$27.6M13%
Subscriber equipment$20.2M9%
Hosted payload and other data service (4)$14.8M7%
Broadband (3)$12.2M6%
Commercial$1.3M1%

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