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

Iridium Communications Inc. is the larger business by last-quarter revenue ($219.1M vs $210.1M, roughly 1.0× MARTEN TRANSPORT LTD). Iridium Communications Inc. runs the higher net margin — 9.9% vs 1.8%, a 8.1% gap on every dollar of revenue. On growth, Iridium Communications Inc. posted the faster year-over-year revenue change (1.9% vs -8.8%). Over the past eight quarters, Iridium Communications Inc.'s revenue compounded faster (4.4% CAGR vs -8.3%).

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...

Marten Transport, Ltd. is an American trucking company headquartered in Mondovi, Wisconsin. The company offers refrigerated and dry van freight transport services across the United States, Canada, and Mexico.

IRDM vs MRTN — Head-to-Head

Bigger by revenue
IRDM
IRDM
1.0× larger
IRDM
$219.1M
$210.1M
MRTN
Growing faster (revenue YoY)
IRDM
IRDM
+10.8% gap
IRDM
1.9%
-8.8%
MRTN
Higher net margin
IRDM
IRDM
8.1% more per $
IRDM
9.9%
1.8%
MRTN
Faster 2-yr revenue CAGR
IRDM
IRDM
Annualised
IRDM
4.4%
-8.3%
MRTN

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
IRDM
IRDM
MRTN
MRTN
Revenue
$219.1M
$210.1M
Net Profit
$21.6M
$3.7M
Gross Margin
Operating Margin
23.2%
2.2%
Net Margin
9.9%
1.8%
Revenue YoY
1.9%
-8.8%
Net Profit YoY
-34.4%
EPS (diluted)
$0.04

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
MRTN
MRTN
Q1 26
$219.1M
Q4 25
$212.9M
$210.1M
Q3 25
$226.9M
$220.5M
Q2 25
$216.9M
$229.9M
Q1 25
$214.9M
$223.2M
Q4 24
$213.0M
$230.4M
Q3 24
$212.8M
$237.4M
Q2 24
$201.1M
$246.2M
Net Profit
IRDM
IRDM
MRTN
MRTN
Q1 26
$21.6M
Q4 25
$24.9M
$3.7M
Q3 25
$37.1M
$2.2M
Q2 25
$22.0M
$7.2M
Q1 25
$30.4M
$4.3M
Q4 24
$36.3M
$5.6M
Q3 24
$24.4M
$3.8M
Q2 24
$32.3M
$7.9M
Operating Margin
IRDM
IRDM
MRTN
MRTN
Q1 26
23.2%
Q4 25
25.9%
2.2%
Q3 25
30.9%
1.2%
Q2 25
23.2%
4.2%
Q1 25
28.1%
2.6%
Q4 24
24.5%
2.9%
Q3 24
25.8%
1.8%
Q2 24
21.7%
4.1%
Net Margin
IRDM
IRDM
MRTN
MRTN
Q1 26
9.9%
Q4 25
11.7%
1.8%
Q3 25
16.4%
1.0%
Q2 25
10.1%
3.1%
Q1 25
14.2%
1.9%
Q4 24
17.1%
2.4%
Q3 24
11.5%
1.6%
Q2 24
16.1%
3.2%
EPS (diluted)
IRDM
IRDM
MRTN
MRTN
Q1 26
Q4 25
$0.24
$0.04
Q3 25
$0.35
$0.03
Q2 25
$0.20
$0.09
Q1 25
$0.27
$0.05
Q4 24
$0.30
$0.06
Q3 24
$0.21
$0.05
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
MRTN
MRTN
Cash + ST InvestmentsLiquidity on hand
$43.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$767.6M
Total Assets
$949.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRDM
IRDM
MRTN
MRTN
Q1 26
Q4 25
$96.5M
$43.3M
Q3 25
$88.5M
$49.5M
Q2 25
$79.3M
$35.1M
Q1 25
$50.9M
$39.9M
Q4 24
$93.5M
$17.3M
Q3 24
$159.6M
$43.0M
Q2 24
$63.5M
$77.2M
Total Debt
IRDM
IRDM
MRTN
MRTN
Q1 26
Q4 25
$1.8B
Q3 25
Q2 25
Q1 25
Q4 24
$1.8B
Q3 24
Q2 24
Stockholders' Equity
IRDM
IRDM
MRTN
MRTN
Q1 26
Q4 25
$462.6M
$767.6M
Q3 25
$450.5M
$768.2M
Q2 25
$473.6M
$770.7M
Q1 25
$518.4M
$767.5M
Q4 24
$576.6M
$767.9M
Q3 24
$663.8M
$766.5M
Q2 24
$786.7M
$766.8M
Total Assets
IRDM
IRDM
MRTN
MRTN
Q1 26
Q4 25
$2.5B
$949.8M
Q3 25
$2.6B
$975.7M
Q2 25
$2.6B
$991.8M
Q1 25
$2.6B
$983.3M
Q4 24
$2.7B
$968.8M
Q3 24
$2.8B
$1.0B
Q2 24
$2.7B
$1.0B
Debt / Equity
IRDM
IRDM
MRTN
MRTN
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
IRDM
IRDM
MRTN
MRTN
Operating Cash FlowLast quarter
$5.6M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
13.7%
Cash ConversionOCF / Net Profit
1.51×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRDM
IRDM
MRTN
MRTN
Q1 26
Q4 25
$108.6M
$5.6M
Q3 25
$100.8M
$18.5M
Q2 25
$129.6M
$33.2M
Q1 25
$61.1M
$36.2M
Q4 24
$104.8M
$23.8M
Q3 24
$118.6M
$29.5M
Q2 24
$81.1M
$35.8M
Free Cash Flow
IRDM
IRDM
MRTN
MRTN
Q1 26
Q4 25
$75.1M
Q3 25
$79.2M
Q2 25
$108.9M
Q1 25
$36.5M
Q4 24
$80.5M
Q3 24
$100.0M
Q2 24
$68.7M
FCF Margin
IRDM
IRDM
MRTN
MRTN
Q1 26
Q4 25
35.3%
Q3 25
34.9%
Q2 25
50.2%
Q1 25
17.0%
Q4 24
37.8%
Q3 24
47.0%
Q2 24
34.2%
Capex Intensity
IRDM
IRDM
MRTN
MRTN
Q1 26
13.7%
Q4 25
15.7%
Q3 25
9.5%
Q2 25
9.5%
Q1 25
11.4%
Q4 24
11.4%
Q3 24
8.7%
Q2 24
6.2%
Cash Conversion
IRDM
IRDM
MRTN
MRTN
Q1 26
Q4 25
4.37×
1.51×
Q3 25
2.71×
8.33×
Q2 25
5.90×
4.61×
Q1 25
2.01×
8.35×
Q4 24
2.88×
4.22×
Q3 24
4.85×
7.85×
Q2 24
2.51×
4.54×

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%

MRTN
MRTN

Revenue Net Of Fuel Surcharge$91.2M43%
Dedicated$65.9M31%
Brokerage$38.2M18%
Truckload Fuel Surcharge Revenue$14.8M7%
Fuel Surcharge Revenue$9.8M5%

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