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Side-by-side financial comparison of Iridium Communications Inc. (IRDM) and MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX). Click either name above to swap in a different company.

MIAMI INTERNATIONAL HOLDINGS, INC. is the larger business by last-quarter revenue ($339.8M vs $219.1M, roughly 1.6× Iridium Communications Inc.). Iridium Communications Inc. runs the higher net margin — 9.9% vs -30.0%, a 39.9% gap on every dollar of revenue. On growth, MIAMI INTERNATIONAL HOLDINGS, INC. posted the faster year-over-year revenue change (22.8% vs 1.9%).

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...

Miami Air International was an American charter airline based in Miami-Dade County, Florida, United States. It operated worldwide passenger charter flights for diverse groups including cruise operators, professional sports teams and the United States military. It was based at Miami International Airport. Miami Air's customers included incentive groups, sports teams, Fortune 500 companies, major cruise lines, entertainers, political candidates and the United States government. Under the Civil ...

IRDM vs MIAX — Head-to-Head

Bigger by revenue
MIAX
MIAX
1.6× larger
MIAX
$339.8M
$219.1M
IRDM
Growing faster (revenue YoY)
MIAX
MIAX
+20.9% gap
MIAX
22.8%
1.9%
IRDM
Higher net margin
IRDM
IRDM
39.9% more per $
IRDM
9.9%
-30.0%
MIAX

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
IRDM
IRDM
MIAX
MIAX
Revenue
$219.1M
$339.8M
Net Profit
$21.6M
$-102.1M
Gross Margin
32.2%
Operating Margin
23.2%
-0.1%
Net Margin
9.9%
-30.0%
Revenue YoY
1.9%
22.8%
Net Profit YoY
-3086.0%
EPS (diluted)
$-1.46

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
MIAX
MIAX
Q1 26
$219.1M
Q4 25
$212.9M
Q3 25
$226.9M
$339.8M
Q2 25
$216.9M
Q1 25
$214.9M
Q4 24
$213.0M
Q3 24
$212.8M
$276.7M
Q2 24
$201.1M
Net Profit
IRDM
IRDM
MIAX
MIAX
Q1 26
$21.6M
Q4 25
$24.9M
Q3 25
$37.1M
$-102.1M
Q2 25
$22.0M
Q1 25
$30.4M
Q4 24
$36.3M
Q3 24
$24.4M
$-3.2M
Q2 24
$32.3M
Gross Margin
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
Q3 25
32.2%
Q2 25
Q1 25
Q4 24
Q3 24
25.1%
Q2 24
Operating Margin
IRDM
IRDM
MIAX
MIAX
Q1 26
23.2%
Q4 25
25.9%
Q3 25
30.9%
-0.1%
Q2 25
23.2%
Q1 25
28.1%
Q4 24
24.5%
Q3 24
25.8%
-0.4%
Q2 24
21.7%
Net Margin
IRDM
IRDM
MIAX
MIAX
Q1 26
9.9%
Q4 25
11.7%
Q3 25
16.4%
-30.0%
Q2 25
10.1%
Q1 25
14.2%
Q4 24
17.1%
Q3 24
11.5%
-1.2%
Q2 24
16.1%
EPS (diluted)
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
$0.24
Q3 25
$0.35
$-1.46
Q2 25
$0.20
Q1 25
$0.27
Q4 24
$0.30
Q3 24
$0.21
$-0.05
Q2 24
$0.27

Balance Sheet & Financial Strength

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

Metric
IRDM
IRDM
MIAX
MIAX
Cash + ST InvestmentsLiquidity on hand
$401.5M
Total DebtLower is stronger
$6.5M
Stockholders' EquityBook value
$831.9M
Total Assets
$1.2B
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
$96.5M
Q3 25
$88.5M
$401.5M
Q2 25
$79.3M
Q1 25
$50.9M
Q4 24
$93.5M
Q3 24
$159.6M
$125.1M
Q2 24
$63.5M
Total Debt
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
$1.8B
Q3 25
$6.5M
Q2 25
Q1 25
Q4 24
$1.8B
Q3 24
Q2 24
Stockholders' Equity
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
$462.6M
Q3 25
$450.5M
$831.9M
Q2 25
$473.6M
Q1 25
$518.4M
Q4 24
$576.6M
Q3 24
$663.8M
$351.4M
Q2 24
$786.7M
Total Assets
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
$2.5B
Q3 25
$2.6B
$1.2B
Q2 25
$2.6B
Q1 25
$2.6B
Q4 24
$2.7B
Q3 24
$2.8B
Q2 24
$2.7B
Debt / Equity
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
3.80×
Q3 25
0.01×
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
MIAX
MIAX
Operating Cash FlowLast quarter
$120.8M
Free Cash FlowOCF − Capex
$102.2M
FCF MarginFCF / Revenue
30.1%
Capex IntensityCapex / Revenue
13.7%
5.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
$108.6M
Q3 25
$100.8M
$120.8M
Q2 25
$129.6M
Q1 25
$61.1M
Q4 24
$104.8M
Q3 24
$118.6M
Q2 24
$81.1M
Free Cash Flow
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
$75.1M
Q3 25
$79.2M
$102.2M
Q2 25
$108.9M
Q1 25
$36.5M
Q4 24
$80.5M
Q3 24
$100.0M
Q2 24
$68.7M
FCF Margin
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
35.3%
Q3 25
34.9%
30.1%
Q2 25
50.2%
Q1 25
17.0%
Q4 24
37.8%
Q3 24
47.0%
Q2 24
34.2%
Capex Intensity
IRDM
IRDM
MIAX
MIAX
Q1 26
13.7%
Q4 25
15.7%
Q3 25
9.5%
5.5%
Q2 25
9.5%
Q1 25
11.4%
Q4 24
11.4%
Q3 24
8.7%
Q2 24
6.2%
Cash Conversion
IRDM
IRDM
MIAX
MIAX
Q1 26
Q4 25
4.37×
Q3 25
2.71×
Q2 25
5.90×
Q1 25
2.01×
Q4 24
2.88×
Q3 24
4.85×
Q2 24
2.51×

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%

MIAX
MIAX

Transferred At Point In Time$246.7M73%
Transferred Over Time$29.9M9%
Access Fees$27.1M8%
Futures Segment$19.4M6%
Other$9.1M3%
TISEG$4.7M1%

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