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

Iridium Communications Inc. is the larger business by last-quarter revenue ($219.1M vs $209.4M, roughly 1.0× MarketAxess). MarketAxess runs the higher net margin — 44.0% vs 9.9%, a 34.2% gap on every dollar of revenue. On growth, MarketAxess posted the faster year-over-year revenue change (3.5% vs 1.9%). Over the past eight quarters, Iridium Communications Inc.'s revenue compounded faster (4.4% CAGR vs -0.2%).

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...

MarketAxess Holdings Inc. is an international financial technology company that operates an electronic trading platform for the institutional credit markets, and also provides market data and post-trade services. It enables institutional investors and broker-dealers to trade credit instruments, including corporate bonds, and other types of fixed income products.

IRDM vs MKTX — Head-to-Head

Bigger by revenue
IRDM
IRDM
1.0× larger
IRDM
$219.1M
$209.4M
MKTX
Growing faster (revenue YoY)
MKTX
MKTX
+1.5% gap
MKTX
3.5%
1.9%
IRDM
Higher net margin
MKTX
MKTX
34.2% more per $
MKTX
44.0%
9.9%
IRDM
Faster 2-yr revenue CAGR
IRDM
IRDM
Annualised
IRDM
4.4%
-0.2%
MKTX

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
IRDM
IRDM
MKTX
MKTX
Revenue
$219.1M
$209.4M
Net Profit
$21.6M
$92.2M
Gross Margin
Operating Margin
23.2%
36.3%
Net Margin
9.9%
44.0%
Revenue YoY
1.9%
3.5%
Net Profit YoY
41.6%
EPS (diluted)
$2.49

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
MKTX
MKTX
Q1 26
$219.1M
Q4 25
$212.9M
$209.4M
Q3 25
$226.9M
$208.8M
Q2 25
$216.9M
$219.5M
Q1 25
$214.9M
$208.6M
Q4 24
$213.0M
$202.4M
Q3 24
$212.8M
$206.7M
Q2 24
$201.1M
$197.7M
Net Profit
IRDM
IRDM
MKTX
MKTX
Q1 26
$21.6M
Q4 25
$24.9M
$92.2M
Q3 25
$37.1M
$68.2M
Q2 25
$22.0M
$71.1M
Q1 25
$30.4M
$15.1M
Q4 24
$36.3M
$65.1M
Q3 24
$24.4M
$71.5M
Q2 24
$32.3M
$64.9M
Operating Margin
IRDM
IRDM
MKTX
MKTX
Q1 26
23.2%
Q4 25
25.9%
36.3%
Q3 25
30.9%
41.0%
Q2 25
23.2%
41.9%
Q1 25
28.1%
42.4%
Q4 24
24.5%
39.5%
Q3 24
25.8%
42.1%
Q2 24
21.7%
41.2%
Net Margin
IRDM
IRDM
MKTX
MKTX
Q1 26
9.9%
Q4 25
11.7%
44.0%
Q3 25
16.4%
32.6%
Q2 25
10.1%
32.4%
Q1 25
14.2%
7.2%
Q4 24
17.1%
32.2%
Q3 24
11.5%
34.6%
Q2 24
16.1%
32.9%
EPS (diluted)
IRDM
IRDM
MKTX
MKTX
Q1 26
Q4 25
$0.24
$2.49
Q3 25
$0.35
$1.84
Q2 25
$0.20
$1.91
Q1 25
$0.27
$0.40
Q4 24
$0.30
$1.74
Q3 24
$0.21
$1.90
Q2 24
$0.27
$1.72

Balance Sheet & Financial Strength

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

Metric
IRDM
IRDM
MKTX
MKTX
Cash + ST InvestmentsLiquidity on hand
$519.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.1B
Total Assets
$1.9B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRDM
IRDM
MKTX
MKTX
Q1 26
Q4 25
$96.5M
$519.7M
Q3 25
$88.5M
$473.3M
Q2 25
$79.3M
$462.8M
Q1 25
$50.9M
$486.2M
Q4 24
$93.5M
$544.5M
Q3 24
$159.6M
$446.3M
Q2 24
$63.5M
$434.1M
Total Debt
IRDM
IRDM
MKTX
MKTX
Q1 26
Q4 25
$1.8B
Q3 25
Q2 25
Q1 25
Q4 24
$1.8B
Q3 24
Q2 24
Stockholders' Equity
IRDM
IRDM
MKTX
MKTX
Q1 26
Q4 25
$462.6M
$1.1B
Q3 25
$450.5M
$1.4B
Q2 25
$473.6M
$1.4B
Q1 25
$518.4M
$1.3B
Q4 24
$576.6M
$1.4B
Q3 24
$663.8M
$1.4B
Q2 24
$786.7M
$1.3B
Total Assets
IRDM
IRDM
MKTX
MKTX
Q1 26
Q4 25
$2.5B
$1.9B
Q3 25
$2.6B
$2.0B
Q2 25
$2.6B
$2.0B
Q1 25
$2.6B
$1.9B
Q4 24
$2.7B
$1.8B
Q3 24
$2.8B
$1.8B
Q2 24
$2.7B
$1.9B
Debt / Equity
IRDM
IRDM
MKTX
MKTX
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
MKTX
MKTX
Operating Cash FlowLast quarter
$382.1M
Free Cash FlowOCF − Capex
$373.9M
FCF MarginFCF / Revenue
178.6%
Capex IntensityCapex / Revenue
13.7%
3.9%
Cash ConversionOCF / Net Profit
4.14×
TTM Free Cash FlowTrailing 4 quarters
$592.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRDM
IRDM
MKTX
MKTX
Q1 26
Q4 25
$108.6M
$382.1M
Q3 25
$100.8M
$90.2M
Q2 25
$129.6M
$103.7M
Q1 25
$61.1M
$29.6M
Q4 24
$104.8M
$385.2M
Q3 24
$118.6M
$95.1M
Q2 24
$81.1M
$118.8M
Free Cash Flow
IRDM
IRDM
MKTX
MKTX
Q1 26
Q4 25
$75.1M
$373.9M
Q3 25
$79.2M
$88.7M
Q2 25
$108.9M
$102.5M
Q1 25
$36.5M
$27.7M
Q4 24
$80.5M
$375.3M
Q3 24
$100.0M
$94.3M
Q2 24
$68.7M
$111.2M
FCF Margin
IRDM
IRDM
MKTX
MKTX
Q1 26
Q4 25
35.3%
178.6%
Q3 25
34.9%
42.5%
Q2 25
50.2%
46.7%
Q1 25
17.0%
13.3%
Q4 24
37.8%
185.4%
Q3 24
47.0%
45.6%
Q2 24
34.2%
56.2%
Capex Intensity
IRDM
IRDM
MKTX
MKTX
Q1 26
13.7%
Q4 25
15.7%
3.9%
Q3 25
9.5%
0.7%
Q2 25
9.5%
0.5%
Q1 25
11.4%
0.9%
Q4 24
11.4%
4.9%
Q3 24
8.7%
0.4%
Q2 24
6.2%
3.9%
Cash Conversion
IRDM
IRDM
MKTX
MKTX
Q1 26
Q4 25
4.37×
4.14×
Q3 25
2.71×
1.32×
Q2 25
5.90×
1.46×
Q1 25
2.01×
1.97×
Q4 24
2.88×
5.91×
Q3 24
4.85×
1.33×
Q2 24
2.51×
1.83×

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%

MKTX
MKTX

Commission Revenue$181.3M87%
Information Services$13.5M6%
Post Trade Services$11.0M5%
Technology Services$3.6M2%

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