vs

Side-by-side financial comparison of Iridium Communications Inc. (IRDM) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

Iridium Communications Inc. is the larger business by last-quarter revenue ($219.1M vs $162.6M, roughly 1.3× Ribbon Communications Inc.). Ribbon Communications Inc. runs the higher net margin — 54.8% vs 9.9%, a 44.9% gap on every dollar of revenue. On growth, Iridium Communications Inc. posted the faster year-over-year revenue change (1.9% vs -10.3%). Over the past eight quarters, Iridium Communications Inc.'s revenue compounded faster (4.4% CAGR vs -8.1%).

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...

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

IRDM vs RBBN — Head-to-Head

Bigger by revenue
IRDM
IRDM
1.3× larger
IRDM
$219.1M
$162.6M
RBBN
Growing faster (revenue YoY)
IRDM
IRDM
+12.2% gap
IRDM
1.9%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
44.9% more per $
RBBN
54.8%
9.9%
IRDM
Faster 2-yr revenue CAGR
IRDM
IRDM
Annualised
IRDM
4.4%
-8.1%
RBBN

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
IRDM
IRDM
RBBN
RBBN
Revenue
$219.1M
$162.6M
Net Profit
$21.6M
$89.1M
Gross Margin
42.9%
Operating Margin
23.2%
37.6%
Net Margin
9.9%
54.8%
Revenue YoY
1.9%
-10.3%
Net Profit YoY
EPS (diluted)
$0.50

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
IRDM
IRDM
RBBN
RBBN
Q1 26
$219.1M
$162.6M
Q4 25
$212.9M
$227.3M
Q3 25
$226.9M
$215.4M
Q2 25
$216.9M
$220.6M
Q1 25
$214.9M
$181.3M
Q4 24
$213.0M
$251.4M
Q3 24
$212.8M
$210.2M
Q2 24
$201.1M
$192.6M
Net Profit
IRDM
IRDM
RBBN
RBBN
Q1 26
$21.6M
$89.1M
Q4 25
$24.9M
Q3 25
$37.1M
$-12.1M
Q2 25
$22.0M
$-11.1M
Q1 25
$30.4M
$-26.2M
Q4 24
$36.3M
Q3 24
$24.4M
$-13.4M
Q2 24
$32.3M
$-16.8M
Gross Margin
IRDM
IRDM
RBBN
RBBN
Q1 26
42.9%
Q4 25
53.3%
Q3 25
50.1%
Q2 25
49.6%
Q1 25
45.4%
Q4 24
55.7%
Q3 24
52.1%
Q2 24
50.8%
Operating Margin
IRDM
IRDM
RBBN
RBBN
Q1 26
23.2%
37.6%
Q4 25
25.9%
4.1%
Q3 25
30.9%
1.3%
Q2 25
23.2%
1.9%
Q1 25
28.1%
-10.8%
Q4 24
24.5%
13.2%
Q3 24
25.8%
-0.4%
Q2 24
21.7%
-1.0%
Net Margin
IRDM
IRDM
RBBN
RBBN
Q1 26
9.9%
54.8%
Q4 25
11.7%
Q3 25
16.4%
-5.6%
Q2 25
10.1%
-5.0%
Q1 25
14.2%
-14.5%
Q4 24
17.1%
Q3 24
11.5%
-6.4%
Q2 24
16.1%
-8.7%
EPS (diluted)
IRDM
IRDM
RBBN
RBBN
Q1 26
$0.50
Q4 25
$0.24
$0.50
Q3 25
$0.35
$-0.07
Q2 25
$0.20
$-0.06
Q1 25
$0.27
$-0.15
Q4 24
$0.30
$0.05
Q3 24
$0.21
$-0.08
Q2 24
$0.27
$-0.10

Balance Sheet & Financial Strength

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

Metric
IRDM
IRDM
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$67.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$419.1M
Total Assets
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRDM
IRDM
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$96.5M
$96.4M
Q3 25
$88.5M
$74.8M
Q2 25
$79.3M
$60.5M
Q1 25
$50.9M
$71.2M
Q4 24
$93.5M
$87.8M
Q3 24
$159.6M
$37.2M
Q2 24
$63.5M
$64.6M
Total Debt
IRDM
IRDM
RBBN
RBBN
Q1 26
Q4 25
$1.8B
$342.1M
Q3 25
$344.3M
Q2 25
$346.5M
Q1 25
$347.4M
Q4 24
$1.8B
$348.3M
Q3 24
$349.1M
Q2 24
$350.0M
Stockholders' Equity
IRDM
IRDM
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$462.6M
$449.0M
Q3 25
$450.5M
$360.1M
Q2 25
$473.6M
$370.4M
Q1 25
$518.4M
$381.8M
Q4 24
$576.6M
$404.6M
Q3 24
$663.8M
$395.5M
Q2 24
$786.7M
$405.0M
Total Assets
IRDM
IRDM
RBBN
RBBN
Q1 26
Q4 25
$2.5B
$1.2B
Q3 25
$2.6B
$1.1B
Q2 25
$2.6B
$1.1B
Q1 25
$2.6B
$1.1B
Q4 24
$2.7B
$1.2B
Q3 24
$2.8B
$1.1B
Q2 24
$2.7B
$1.1B
Debt / Equity
IRDM
IRDM
RBBN
RBBN
Q1 26
Q4 25
3.80×
0.76×
Q3 25
0.96×
Q2 25
0.94×
Q1 25
0.91×
Q4 24
3.05×
0.86×
Q3 24
0.88×
Q2 24
0.86×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

Related Comparisons