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

Sotera Health Co is the larger business by last-quarter revenue ($303.4M vs $219.1M, roughly 1.4× Iridium Communications Inc.). Sotera Health Co runs the higher net margin — 11.5% vs 9.9%, a 1.6% gap on every dollar of revenue. On growth, Sotera Health Co posted the faster year-over-year revenue change (4.6% vs 1.9%). Over the past eight quarters, Sotera Health Co's revenue compounded faster (10.6% CAGR vs 4.4%).

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...

Sotera Health Co is a global provider of end-to-end medical safety solutions. It offers sterilization services, analytical laboratory testing, and regulatory advisory support for medical device manufacturers, pharmaceutical firms, and food and consumer product companies, helping clients meet industry standards and ensure product safety for end users worldwide.

IRDM vs SHC — Head-to-Head

Bigger by revenue
SHC
SHC
1.4× larger
SHC
$303.4M
$219.1M
IRDM
Growing faster (revenue YoY)
SHC
SHC
+2.6% gap
SHC
4.6%
1.9%
IRDM
Higher net margin
SHC
SHC
1.6% more per $
SHC
11.5%
9.9%
IRDM
Faster 2-yr revenue CAGR
SHC
SHC
Annualised
SHC
10.6%
4.4%
IRDM

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
IRDM
IRDM
SHC
SHC
Revenue
$219.1M
$303.4M
Net Profit
$21.6M
$34.8M
Gross Margin
54.7%
Operating Margin
23.2%
23.2%
Net Margin
9.9%
11.5%
Revenue YoY
1.9%
4.6%
Net Profit YoY
-29.0%
182.8%
EPS (diluted)
$0.12

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
SHC
SHC
Q1 26
$219.1M
Q4 25
$212.9M
$303.4M
Q3 25
$226.9M
$311.3M
Q2 25
$216.9M
$294.3M
Q1 25
$214.9M
$254.5M
Q4 24
$213.0M
$290.2M
Q3 24
$212.8M
$285.5M
Q2 24
$201.1M
$276.6M
Net Profit
IRDM
IRDM
SHC
SHC
Q1 26
$21.6M
Q4 25
$24.9M
$34.8M
Q3 25
$37.1M
$48.4M
Q2 25
$22.0M
$8.0M
Q1 25
$30.4M
$-13.3M
Q4 24
$36.3M
$12.3M
Q3 24
$24.4M
$17.0M
Q2 24
$32.3M
$8.8M
Gross Margin
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
54.7%
Q3 25
57.0%
Q2 25
56.6%
Q1 25
53.2%
Q4 24
56.6%
Q3 24
55.4%
Q2 24
55.2%
Operating Margin
IRDM
IRDM
SHC
SHC
Q1 26
23.2%
Q4 25
25.9%
23.2%
Q3 25
30.9%
23.4%
Q2 25
23.2%
6.4%
Q1 25
28.1%
-5.8%
Q4 24
24.5%
30.0%
Q3 24
25.8%
28.2%
Q2 24
21.7%
27.8%
Net Margin
IRDM
IRDM
SHC
SHC
Q1 26
9.9%
Q4 25
11.7%
11.5%
Q3 25
16.4%
15.5%
Q2 25
10.1%
2.7%
Q1 25
14.2%
-5.2%
Q4 24
17.1%
4.2%
Q3 24
11.5%
6.0%
Q2 24
16.1%
3.2%
EPS (diluted)
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
$0.24
$0.12
Q3 25
$0.35
$0.17
Q2 25
$0.20
$0.03
Q1 25
$0.27
$-0.05
Q4 24
$0.30
$0.05
Q3 24
$0.21
$0.06
Q2 24
$0.27
$0.03

Balance Sheet & Financial Strength

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

Metric
IRDM
IRDM
SHC
SHC
Cash + ST InvestmentsLiquidity on hand
$344.6M
Total DebtLower is stronger
$2.1B
Stockholders' EquityBook value
$606.0M
Total Assets
$3.3B
Debt / EquityLower = less leverage
3.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
$96.5M
$344.6M
Q3 25
$88.5M
$299.2M
Q2 25
$79.3M
$332.4M
Q1 25
$50.9M
$304.4M
Q4 24
$93.5M
$277.2M
Q3 24
$159.6M
$306.7M
Q2 24
$63.5M
$246.1M
Total Debt
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
$1.8B
$2.1B
Q3 25
$2.1B
Q2 25
$2.2B
Q1 25
$2.2B
Q4 24
$1.8B
$2.2B
Q3 24
$2.2B
Q2 24
$2.2B
Stockholders' Equity
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
$462.6M
$606.0M
Q3 25
$450.5M
$550.5M
Q2 25
$473.6M
$511.3M
Q1 25
$518.4M
$414.1M
Q4 24
$576.6M
$404.9M
Q3 24
$663.8M
$470.2M
Q2 24
$786.7M
$422.8M
Total Assets
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
$2.5B
$3.3B
Q3 25
$2.6B
$3.2B
Q2 25
$2.6B
$3.2B
Q1 25
$2.6B
$3.1B
Q4 24
$2.7B
$3.1B
Q3 24
$2.8B
$3.1B
Q2 24
$2.7B
$3.1B
Debt / Equity
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
3.80×
3.53×
Q3 25
3.89×
Q2 25
4.34×
Q1 25
5.36×
Q4 24
3.05×
5.49×
Q3 24
4.73×
Q2 24
5.26×

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
SHC
SHC
Operating Cash FlowLast quarter
$103.1M
Free Cash FlowOCF − Capex
$52.4M
FCF MarginFCF / Revenue
17.3%
Capex IntensityCapex / Revenue
13.7%
16.7%
Cash ConversionOCF / Net Profit
2.96×
TTM Free Cash FlowTrailing 4 quarters
$149.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
$108.6M
$103.1M
Q3 25
$100.8M
$71.2M
Q2 25
$129.6M
$57.4M
Q1 25
$61.1M
$55.5M
Q4 24
$104.8M
$55.7M
Q3 24
$118.6M
$97.5M
Q2 24
$81.1M
$61.3M
Free Cash Flow
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
$75.1M
$52.4M
Q3 25
$79.2M
$35.0M
Q2 25
$108.9M
$26.2M
Q1 25
$36.5M
$35.6M
Q4 24
$80.5M
$-10.2M
Q3 24
$100.0M
$61.1M
Q2 24
$68.7M
$19.4M
FCF Margin
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
35.3%
17.3%
Q3 25
34.9%
11.2%
Q2 25
50.2%
8.9%
Q1 25
17.0%
14.0%
Q4 24
37.8%
-3.5%
Q3 24
47.0%
21.4%
Q2 24
34.2%
7.0%
Capex Intensity
IRDM
IRDM
SHC
SHC
Q1 26
13.7%
Q4 25
15.7%
16.7%
Q3 25
9.5%
11.6%
Q2 25
9.5%
10.6%
Q1 25
11.4%
7.8%
Q4 24
11.4%
22.7%
Q3 24
8.7%
12.7%
Q2 24
6.2%
15.2%
Cash Conversion
IRDM
IRDM
SHC
SHC
Q1 26
Q4 25
4.37×
2.96×
Q3 25
2.71×
1.47×
Q2 25
5.90×
7.21×
Q1 25
2.01×
Q4 24
2.88×
4.52×
Q3 24
4.85×
5.73×
Q2 24
2.51×
7.00×

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)$43.9M20%
Government$35.8M16%
Government service revenue (5)$26.8M12%
Subscriber equipment$23.1M11%
Hosted payload and other data service (4)$14.9M7%
Broadband (3)$12.9M6%
Commercial$1.6M1%

SHC
SHC

Transferred At Point In Time$198.4M65%
Nelson Labs$55.2M18%
Nordion$49.8M16%

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