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

Iridium Communications Inc. is the larger business by last-quarter revenue ($219.1M vs $172.6M, roughly 1.3× Fastly, Inc.). Iridium Communications Inc. runs the higher net margin — 9.9% vs -9.0%, a 18.8% gap on every dollar of revenue. On growth, Fastly, Inc. posted the faster year-over-year revenue change (22.8% vs 1.9%). Over the past eight quarters, Fastly, Inc.'s revenue compounded faster (13.7% CAGR vs 4.4%).

Fastly, Inc. is an American company based in San Francisco, which describes itself as a cloud computing company. Fastly provides content delivery network services, image optimization, and load balancing services. Fastly's cloud security services include denial-of-service attack protection, bot mitigation, and a web application firewall.

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...

FSLY vs IRDM — Head-to-Head

Bigger by revenue
IRDM
IRDM
1.3× larger
IRDM
$219.1M
$172.6M
FSLY
Growing faster (revenue YoY)
FSLY
FSLY
+20.8% gap
FSLY
22.8%
1.9%
IRDM
Higher net margin
IRDM
IRDM
18.8% more per $
IRDM
9.9%
-9.0%
FSLY
Faster 2-yr revenue CAGR
FSLY
FSLY
Annualised
FSLY
13.7%
4.4%
IRDM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
FSLY
FSLY
IRDM
IRDM
Revenue
$172.6M
$219.1M
Net Profit
$-15.5M
$21.6M
Gross Margin
61.4%
Operating Margin
-8.7%
23.2%
Net Margin
-9.0%
9.9%
Revenue YoY
22.8%
1.9%
Net Profit YoY
52.9%
EPS (diluted)
$-0.10

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
FSLY
FSLY
IRDM
IRDM
Q1 26
$219.1M
Q4 25
$172.6M
$212.9M
Q3 25
$158.2M
$226.9M
Q2 25
$148.7M
$216.9M
Q1 25
$144.5M
$214.9M
Q4 24
$140.6M
$213.0M
Q3 24
$137.2M
$212.8M
Q2 24
$132.4M
$201.1M
Net Profit
FSLY
FSLY
IRDM
IRDM
Q1 26
$21.6M
Q4 25
$-15.5M
$24.9M
Q3 25
$-29.5M
$37.1M
Q2 25
$-37.5M
$22.0M
Q1 25
$-39.1M
$30.4M
Q4 24
$-32.9M
$36.3M
Q3 24
$-38.0M
$24.4M
Q2 24
$-43.7M
$32.3M
Gross Margin
FSLY
FSLY
IRDM
IRDM
Q1 26
Q4 25
61.4%
Q3 25
58.4%
Q2 25
54.5%
Q1 25
53.2%
Q4 24
53.4%
Q3 24
54.5%
Q2 24
55.1%
Operating Margin
FSLY
FSLY
IRDM
IRDM
Q1 26
23.2%
Q4 25
-8.7%
25.9%
Q3 25
-18.2%
30.9%
Q2 25
-24.8%
23.2%
Q1 25
-26.4%
28.1%
Q4 24
-24.4%
24.5%
Q3 24
-29.6%
25.8%
Q2 24
-35.3%
21.7%
Net Margin
FSLY
FSLY
IRDM
IRDM
Q1 26
9.9%
Q4 25
-9.0%
11.7%
Q3 25
-18.6%
16.4%
Q2 25
-25.2%
10.1%
Q1 25
-27.1%
14.2%
Q4 24
-23.4%
17.1%
Q3 24
-27.7%
11.5%
Q2 24
-33.0%
16.1%
EPS (diluted)
FSLY
FSLY
IRDM
IRDM
Q1 26
Q4 25
$-0.10
$0.24
Q3 25
$-0.20
$0.35
Q2 25
$-0.26
$0.20
Q1 25
$-0.27
$0.27
Q4 24
$-0.23
$0.30
Q3 24
$-0.27
$0.21
Q2 24
$-0.32
$0.27

Balance Sheet & Financial Strength

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

Metric
FSLY
FSLY
IRDM
IRDM
Cash + ST InvestmentsLiquidity on hand
$361.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$929.6M
Total Assets
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSLY
FSLY
IRDM
IRDM
Q1 26
Q4 25
$361.8M
$96.5M
Q3 25
$342.9M
$88.5M
Q2 25
$321.2M
$79.3M
Q1 25
$307.3M
$50.9M
Q4 24
$295.9M
$93.5M
Q3 24
$308.2M
$159.6M
Q2 24
$311.8M
$63.5M
Total Debt
FSLY
FSLY
IRDM
IRDM
Q1 26
Q4 25
$1.8B
Q3 25
Q2 25
Q1 25
Q4 24
$1.8B
Q3 24
Q2 24
Stockholders' Equity
FSLY
FSLY
IRDM
IRDM
Q1 26
Q4 25
$929.6M
$462.6M
Q3 25
$937.0M
$450.5M
Q2 25
$942.6M
$473.6M
Q1 25
$957.0M
$518.4M
Q4 24
$965.3M
$576.6M
Q3 24
$969.5M
$663.8M
Q2 24
$981.2M
$786.7M
Total Assets
FSLY
FSLY
IRDM
IRDM
Q1 26
Q4 25
$1.5B
$2.5B
Q3 25
$1.5B
$2.6B
Q2 25
$1.5B
$2.6B
Q1 25
$1.4B
$2.6B
Q4 24
$1.5B
$2.7B
Q3 24
$1.5B
$2.8B
Q2 24
$1.5B
$2.7B
Debt / Equity
FSLY
FSLY
IRDM
IRDM
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
FSLY
FSLY
IRDM
IRDM
Operating Cash FlowLast quarter
$22.4M
Free Cash FlowOCF − Capex
$12.2M
FCF MarginFCF / Revenue
7.1%
Capex IntensityCapex / Revenue
5.9%
13.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$65.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSLY
FSLY
IRDM
IRDM
Q1 26
Q4 25
$22.4M
$108.6M
Q3 25
$28.9M
$100.8M
Q2 25
$25.8M
$129.6M
Q1 25
$17.3M
$61.1M
Q4 24
$5.2M
$104.8M
Q3 24
$5.0M
$118.6M
Q2 24
$-4.9M
$81.1M
Free Cash Flow
FSLY
FSLY
IRDM
IRDM
Q1 26
Q4 25
$12.2M
$75.1M
Q3 25
$22.9M
$79.2M
Q2 25
$15.9M
$108.9M
Q1 25
$14.7M
$36.5M
Q4 24
$251.0K
$80.5M
Q3 24
$3.0M
$100.0M
Q2 24
$-6.7M
$68.7M
FCF Margin
FSLY
FSLY
IRDM
IRDM
Q1 26
Q4 25
7.1%
35.3%
Q3 25
14.5%
34.9%
Q2 25
10.7%
50.2%
Q1 25
10.2%
17.0%
Q4 24
0.2%
37.8%
Q3 24
2.2%
47.0%
Q2 24
-5.1%
34.2%
Capex Intensity
FSLY
FSLY
IRDM
IRDM
Q1 26
13.7%
Q4 25
5.9%
15.7%
Q3 25
3.8%
9.5%
Q2 25
6.6%
9.5%
Q1 25
1.8%
11.4%
Q4 24
3.5%
11.4%
Q3 24
1.5%
8.7%
Q2 24
1.3%
6.2%
Cash Conversion
FSLY
FSLY
IRDM
IRDM
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

FSLY
FSLY

Network Services$130.8M76%
Security$35.4M21%
Other$6.4M4%

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%

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