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Side-by-side financial comparison of Fastly, Inc. (FSLY) 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 $172.6M, roughly 1.8× Fastly, Inc.). Sotera Health Co runs the higher net margin — 11.5% vs -9.0%, a 20.5% gap on every dollar of revenue. On growth, Fastly, Inc. posted the faster year-over-year revenue change (22.8% vs 4.6%). Sotera Health Co produced more free cash flow last quarter ($52.4M vs $12.2M). Over the past eight quarters, Fastly, Inc.'s revenue compounded faster (13.7% CAGR vs 10.6%).

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.

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.

FSLY vs SHC — Head-to-Head

Bigger by revenue
SHC
SHC
1.8× larger
SHC
$303.4M
$172.6M
FSLY
Growing faster (revenue YoY)
FSLY
FSLY
+18.2% gap
FSLY
22.8%
4.6%
SHC
Higher net margin
SHC
SHC
20.5% more per $
SHC
11.5%
-9.0%
FSLY
More free cash flow
SHC
SHC
$40.2M more FCF
SHC
$52.4M
$12.2M
FSLY
Faster 2-yr revenue CAGR
FSLY
FSLY
Annualised
FSLY
13.7%
10.6%
SHC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FSLY
FSLY
SHC
SHC
Revenue
$172.6M
$303.4M
Net Profit
$-15.5M
$34.8M
Gross Margin
61.4%
54.7%
Operating Margin
-8.7%
23.2%
Net Margin
-9.0%
11.5%
Revenue YoY
22.8%
4.6%
Net Profit YoY
52.9%
182.8%
EPS (diluted)
$-0.10
$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
FSLY
FSLY
SHC
SHC
Q4 25
$172.6M
$303.4M
Q3 25
$158.2M
$311.3M
Q2 25
$148.7M
$294.3M
Q1 25
$144.5M
$254.5M
Q4 24
$140.6M
$290.2M
Q3 24
$137.2M
$285.5M
Q2 24
$132.4M
$276.6M
Q1 24
$133.5M
$248.2M
Net Profit
FSLY
FSLY
SHC
SHC
Q4 25
$-15.5M
$34.8M
Q3 25
$-29.5M
$48.4M
Q2 25
$-37.5M
$8.0M
Q1 25
$-39.1M
$-13.3M
Q4 24
$-32.9M
$12.3M
Q3 24
$-38.0M
$17.0M
Q2 24
$-43.7M
$8.8M
Q1 24
$-43.4M
$6.3M
Gross Margin
FSLY
FSLY
SHC
SHC
Q4 25
61.4%
54.7%
Q3 25
58.4%
57.0%
Q2 25
54.5%
56.6%
Q1 25
53.2%
53.2%
Q4 24
53.4%
56.6%
Q3 24
54.5%
55.4%
Q2 24
55.1%
55.2%
Q1 24
54.8%
51.2%
Operating Margin
FSLY
FSLY
SHC
SHC
Q4 25
-8.7%
23.2%
Q3 25
-18.2%
23.4%
Q2 25
-24.8%
6.4%
Q1 25
-26.4%
-5.8%
Q4 24
-24.4%
30.0%
Q3 24
-29.6%
28.2%
Q2 24
-35.3%
27.8%
Q1 24
-34.6%
21.4%
Net Margin
FSLY
FSLY
SHC
SHC
Q4 25
-9.0%
11.5%
Q3 25
-18.6%
15.5%
Q2 25
-25.2%
2.7%
Q1 25
-27.1%
-5.2%
Q4 24
-23.4%
4.2%
Q3 24
-27.7%
6.0%
Q2 24
-33.0%
3.2%
Q1 24
-32.5%
2.5%
EPS (diluted)
FSLY
FSLY
SHC
SHC
Q4 25
$-0.10
$0.12
Q3 25
$-0.20
$0.17
Q2 25
$-0.26
$0.03
Q1 25
$-0.27
$-0.05
Q4 24
$-0.23
$0.05
Q3 24
$-0.27
$0.06
Q2 24
$-0.32
$0.03
Q1 24
$-0.32
$0.02

Balance Sheet & Financial Strength

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

Metric
FSLY
FSLY
SHC
SHC
Cash + ST InvestmentsLiquidity on hand
$361.8M
$344.6M
Total DebtLower is stronger
$2.1B
Stockholders' EquityBook value
$929.6M
$606.0M
Total Assets
$1.5B
$3.3B
Debt / EquityLower = less leverage
3.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSLY
FSLY
SHC
SHC
Q4 25
$361.8M
$344.6M
Q3 25
$342.9M
$299.2M
Q2 25
$321.2M
$332.4M
Q1 25
$307.3M
$304.4M
Q4 24
$295.9M
$277.2M
Q3 24
$308.2M
$306.7M
Q2 24
$311.8M
$246.1M
Q1 24
$329.5M
$261.1M
Total Debt
FSLY
FSLY
SHC
SHC
Q4 25
$2.1B
Q3 25
$2.1B
Q2 25
$2.2B
Q1 25
$2.2B
Q4 24
$2.2B
Q3 24
$2.2B
Q2 24
$2.2B
Q1 24
$2.2B
Stockholders' Equity
FSLY
FSLY
SHC
SHC
Q4 25
$929.6M
$606.0M
Q3 25
$937.0M
$550.5M
Q2 25
$942.6M
$511.3M
Q1 25
$957.0M
$414.1M
Q4 24
$965.3M
$404.9M
Q3 24
$969.5M
$470.2M
Q2 24
$981.2M
$422.8M
Q1 24
$991.8M
$429.4M
Total Assets
FSLY
FSLY
SHC
SHC
Q4 25
$1.5B
$3.3B
Q3 25
$1.5B
$3.2B
Q2 25
$1.5B
$3.2B
Q1 25
$1.4B
$3.1B
Q4 24
$1.5B
$3.1B
Q3 24
$1.5B
$3.1B
Q2 24
$1.5B
$3.1B
Q1 24
$1.5B
$3.1B
Debt / Equity
FSLY
FSLY
SHC
SHC
Q4 25
3.53×
Q3 25
3.89×
Q2 25
4.34×
Q1 25
5.36×
Q4 24
5.49×
Q3 24
4.73×
Q2 24
5.26×
Q1 24
5.19×

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
SHC
SHC
Operating Cash FlowLast quarter
$22.4M
$103.1M
Free Cash FlowOCF − Capex
$12.2M
$52.4M
FCF MarginFCF / Revenue
7.1%
17.3%
Capex IntensityCapex / Revenue
5.9%
16.7%
Cash ConversionOCF / Net Profit
2.96×
TTM Free Cash FlowTrailing 4 quarters
$65.8M
$149.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSLY
FSLY
SHC
SHC
Q4 25
$22.4M
$103.1M
Q3 25
$28.9M
$71.2M
Q2 25
$25.8M
$57.4M
Q1 25
$17.3M
$55.5M
Q4 24
$5.2M
$55.7M
Q3 24
$5.0M
$97.5M
Q2 24
$-4.9M
$61.3M
Q1 24
$11.1M
$9.7M
Free Cash Flow
FSLY
FSLY
SHC
SHC
Q4 25
$12.2M
$52.4M
Q3 25
$22.9M
$35.0M
Q2 25
$15.9M
$26.2M
Q1 25
$14.7M
$35.6M
Q4 24
$251.0K
$-10.2M
Q3 24
$3.0M
$61.1M
Q2 24
$-6.7M
$19.4M
Q1 24
$9.5M
$-25.2M
FCF Margin
FSLY
FSLY
SHC
SHC
Q4 25
7.1%
17.3%
Q3 25
14.5%
11.2%
Q2 25
10.7%
8.9%
Q1 25
10.2%
14.0%
Q4 24
0.2%
-3.5%
Q3 24
2.2%
21.4%
Q2 24
-5.1%
7.0%
Q1 24
7.1%
-10.2%
Capex Intensity
FSLY
FSLY
SHC
SHC
Q4 25
5.9%
16.7%
Q3 25
3.8%
11.6%
Q2 25
6.6%
10.6%
Q1 25
1.8%
7.8%
Q4 24
3.5%
22.7%
Q3 24
1.5%
12.7%
Q2 24
1.3%
15.2%
Q1 24
1.2%
14.1%
Cash Conversion
FSLY
FSLY
SHC
SHC
Q4 25
2.96×
Q3 25
1.47×
Q2 25
7.21×
Q1 25
Q4 24
4.52×
Q3 24
5.73×
Q2 24
7.00×
Q1 24
1.53×

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%

SHC
SHC

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

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