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Side-by-side financial comparison of Iridium Communications Inc. (IRDM) and GIBRALTAR INDUSTRIES, INC. (ROCK). Click either name above to swap in a different company.

GIBRALTAR INDUSTRIES, INC. is the larger business by last-quarter revenue ($225.0M vs $219.1M, roughly 1.0× Iridium Communications Inc.). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs 1.9%). Over the past eight quarters, Iridium Communications Inc.'s revenue compounded faster (4.4% CAGR vs -12.3%).

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...

Gibraltar Industries, Inc. is a leading manufacturer and distributor of specialized building, infrastructure, and renewable energy products. Its offerings include ventilation systems, roofing accessories, solar mounting solutions, and landscape and garden products, serving residential, commercial construction, and clean energy markets primarily across North America, with a focus on innovative, sustainable solutions for its customers.

IRDM vs ROCK — Head-to-Head

Bigger by revenue
ROCK
ROCK
1.0× larger
ROCK
$225.0M
$219.1M
IRDM
Growing faster (revenue YoY)
ROCK
ROCK
+23.0% gap
ROCK
24.9%
1.9%
IRDM
Faster 2-yr revenue CAGR
IRDM
IRDM
Annualised
IRDM
4.4%
-12.3%
ROCK

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
IRDM
IRDM
ROCK
ROCK
Revenue
$219.1M
$225.0M
Net Profit
$21.6M
Gross Margin
25.3%
Operating Margin
23.2%
7.9%
Net Margin
9.9%
Revenue YoY
1.9%
24.9%
Net Profit YoY
EPS (diluted)

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
ROCK
ROCK
Q1 26
$219.1M
Q4 25
$212.9M
$225.0M
Q3 25
$226.9M
$310.9M
Q2 25
$216.9M
$309.5M
Q1 25
$214.9M
$290.0M
Q4 24
$213.0M
$180.1M
Q3 24
$212.8M
$277.1M
Q2 24
$201.1M
$273.6M
Net Profit
IRDM
IRDM
ROCK
ROCK
Q1 26
$21.6M
Q4 25
$24.9M
Q3 25
$37.1M
$-89.1M
Q2 25
$22.0M
$26.0M
Q1 25
$30.4M
$21.1M
Q4 24
$36.3M
Q3 24
$24.4M
$34.0M
Q2 24
$32.3M
$32.2M
Gross Margin
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
25.3%
Q3 25
26.6%
Q2 25
28.4%
Q1 25
26.8%
Q4 24
29.0%
Q3 24
29.4%
Q2 24
30.5%
Operating Margin
IRDM
IRDM
ROCK
ROCK
Q1 26
23.2%
Q4 25
25.9%
7.9%
Q3 25
30.9%
12.8%
Q2 25
23.2%
12.8%
Q1 25
28.1%
8.8%
Q4 24
24.5%
13.3%
Q3 24
25.8%
15.6%
Q2 24
21.7%
14.9%
Net Margin
IRDM
IRDM
ROCK
ROCK
Q1 26
9.9%
Q4 25
11.7%
Q3 25
16.4%
-28.6%
Q2 25
10.1%
8.4%
Q1 25
14.2%
7.3%
Q4 24
17.1%
Q3 24
11.5%
12.3%
Q2 24
16.1%
11.8%
EPS (diluted)
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
$0.24
Q3 25
$0.35
$-2.98
Q2 25
$0.20
$0.87
Q1 25
$0.27
Q4 24
$0.30
Q3 24
$0.21
$1.11
Q2 24
$0.27
$1.05

Balance Sheet & Financial Strength

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

Metric
IRDM
IRDM
ROCK
ROCK
Cash + ST InvestmentsLiquidity on hand
$115.7M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$950.4M
Total Assets
$1.4B
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
$96.5M
$115.7M
Q3 25
$88.5M
$89.4M
Q2 25
$79.3M
$43.3M
Q1 25
$50.9M
$25.1M
Q4 24
$93.5M
$269.5M
Q3 24
$159.6M
$228.9M
Q2 24
$63.5M
$179.1M
Total Debt
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
$1.8B
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$1.8B
$0
Q3 24
$0
Q2 24
$0
Stockholders' Equity
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
$462.6M
$950.4M
Q3 25
$450.5M
$951.8M
Q2 25
$473.6M
$1.0B
Q1 25
$518.4M
$1.0B
Q4 24
$576.6M
$1.0B
Q3 24
$663.8M
$1.0B
Q2 24
$786.7M
$975.7M
Total Assets
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
$2.5B
$1.4B
Q3 25
$2.6B
$1.4B
Q2 25
$2.6B
$1.5B
Q1 25
$2.6B
$1.4B
Q4 24
$2.7B
$1.4B
Q3 24
$2.8B
$1.4B
Q2 24
$2.7B
$1.4B
Debt / Equity
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
3.80×
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
3.05×
0.00×
Q3 24
0.00×
Q2 24
0.00×

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
ROCK
ROCK
Operating Cash FlowLast quarter
$35.5M
Free Cash FlowOCF − Capex
$26.2M
FCF MarginFCF / Revenue
11.7%
Capex IntensityCapex / Revenue
13.7%
4.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$120.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
$108.6M
$35.5M
Q3 25
$100.8M
$73.0M
Q2 25
$129.6M
$44.9M
Q1 25
$61.1M
$13.7M
Q4 24
$104.8M
$19.9M
Q3 24
$118.6M
$64.7M
Q2 24
$81.1M
$36.5M
Free Cash Flow
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
$75.1M
$26.2M
Q3 25
$79.2M
$64.8M
Q2 25
$108.9M
$27.3M
Q1 25
$36.5M
$2.3M
Q4 24
$80.5M
$14.1M
Q3 24
$100.0M
$60.5M
Q2 24
$68.7M
$33.5M
FCF Margin
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
35.3%
11.7%
Q3 25
34.9%
20.8%
Q2 25
50.2%
8.8%
Q1 25
17.0%
0.8%
Q4 24
37.8%
7.8%
Q3 24
47.0%
21.8%
Q2 24
34.2%
12.2%
Capex Intensity
IRDM
IRDM
ROCK
ROCK
Q1 26
13.7%
Q4 25
15.7%
4.1%
Q3 25
9.5%
2.6%
Q2 25
9.5%
5.7%
Q1 25
11.4%
3.9%
Q4 24
11.4%
3.3%
Q3 24
8.7%
1.5%
Q2 24
6.2%
1.1%
Cash Conversion
IRDM
IRDM
ROCK
ROCK
Q1 26
Q4 25
4.37×
Q3 25
2.71×
Q2 25
5.90×
1.73×
Q1 25
2.01×
0.65×
Q4 24
2.88×
Q3 24
4.85×
1.90×
Q2 24
2.51×
1.13×

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%

ROCK
ROCK

Transferred At Point In Time$183.5M82%
Infrastructure$22.5M10%
Other$18.9M8%

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