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

Fastly, Inc. is the larger business by last-quarter revenue ($172.6M vs $139.3M, roughly 1.2× Proto Labs Inc). Proto Labs Inc runs the higher net margin — 5.8% vs -9.0%, a 14.8% gap on every dollar of revenue. On growth, Fastly, Inc. posted the faster year-over-year revenue change (22.8% vs 10.4%). Over the past eight quarters, Fastly, Inc.'s revenue compounded faster (13.7% CAGR vs 5.3%).

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.

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

FSLY vs PRLB — Head-to-Head

Bigger by revenue
FSLY
FSLY
1.2× larger
FSLY
$172.6M
$139.3M
PRLB
Growing faster (revenue YoY)
FSLY
FSLY
+12.4% gap
FSLY
22.8%
10.4%
PRLB
Higher net margin
PRLB
PRLB
14.8% more per $
PRLB
5.8%
-9.0%
FSLY
Faster 2-yr revenue CAGR
FSLY
FSLY
Annualised
FSLY
13.7%
5.3%
PRLB

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
FSLY
FSLY
PRLB
PRLB
Revenue
$172.6M
$139.3M
Net Profit
$-15.5M
$8.1M
Gross Margin
61.4%
45.6%
Operating Margin
-8.7%
7.1%
Net Margin
-9.0%
5.8%
Revenue YoY
22.8%
10.4%
Net Profit YoY
52.9%
125.4%
EPS (diluted)
$-0.10
$0.29

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
PRLB
PRLB
Q1 26
$139.3M
Q4 25
$172.6M
$136.5M
Q3 25
$158.2M
$135.4M
Q2 25
$148.7M
$135.1M
Q1 25
$144.5M
$126.2M
Q4 24
$140.6M
$121.8M
Q3 24
$137.2M
$125.6M
Q2 24
$132.4M
$125.6M
Net Profit
FSLY
FSLY
PRLB
PRLB
Q1 26
$8.1M
Q4 25
$-15.5M
Q3 25
$-29.5M
$7.2M
Q2 25
$-37.5M
$4.4M
Q1 25
$-39.1M
$3.6M
Q4 24
$-32.9M
Q3 24
$-38.0M
$7.2M
Q2 24
$-43.7M
$4.5M
Gross Margin
FSLY
FSLY
PRLB
PRLB
Q1 26
45.6%
Q4 25
61.4%
44.2%
Q3 25
58.4%
45.3%
Q2 25
54.5%
44.3%
Q1 25
53.2%
44.1%
Q4 24
53.4%
42.7%
Q3 24
54.5%
45.6%
Q2 24
55.1%
45.0%
Operating Margin
FSLY
FSLY
PRLB
PRLB
Q1 26
7.1%
Q4 25
-8.7%
5.0%
Q3 25
-18.2%
6.5%
Q2 25
-24.8%
3.7%
Q1 25
-26.4%
3.6%
Q4 24
-24.4%
-1.2%
Q3 24
-29.6%
6.8%
Q2 24
-35.3%
4.8%
Net Margin
FSLY
FSLY
PRLB
PRLB
Q1 26
5.8%
Q4 25
-9.0%
Q3 25
-18.6%
5.3%
Q2 25
-25.2%
3.3%
Q1 25
-27.1%
2.9%
Q4 24
-23.4%
Q3 24
-27.7%
5.7%
Q2 24
-33.0%
3.6%
EPS (diluted)
FSLY
FSLY
PRLB
PRLB
Q1 26
$0.29
Q4 25
$-0.10
$0.25
Q3 25
$-0.20
$0.30
Q2 25
$-0.26
$0.18
Q1 25
$-0.27
$0.15
Q4 24
$-0.23
$-0.01
Q3 24
$-0.27
$0.29
Q2 24
$-0.32
$0.18

Balance Sheet & Financial Strength

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

Metric
FSLY
FSLY
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$361.8M
$124.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$929.6M
$683.1M
Total Assets
$1.5B
$778.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSLY
FSLY
PRLB
PRLB
Q1 26
$124.0M
Q4 25
$361.8M
$128.1M
Q3 25
$342.9M
$119.2M
Q2 25
$321.2M
$103.2M
Q1 25
$307.3M
$96.8M
Q4 24
$295.9M
$103.1M
Q3 24
$308.2M
$100.5M
Q2 24
$311.8M
$112.9M
Stockholders' Equity
FSLY
FSLY
PRLB
PRLB
Q1 26
$683.1M
Q4 25
$929.6M
$673.9M
Q3 25
$937.0M
$664.7M
Q2 25
$942.6M
$664.7M
Q1 25
$957.0M
$656.8M
Q4 24
$965.3M
$670.2M
Q3 24
$969.5M
$680.0M
Q2 24
$981.2M
$685.2M
Total Assets
FSLY
FSLY
PRLB
PRLB
Q1 26
$778.6M
Q4 25
$1.5B
$763.4M
Q3 25
$1.5B
$756.9M
Q2 25
$1.5B
$743.3M
Q1 25
$1.4B
$737.5M
Q4 24
$1.5B
$743.5M
Q3 24
$1.5B
$753.8M
Q2 24
$1.5B
$758.2M

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
PRLB
PRLB
Operating Cash FlowLast quarter
$22.4M
$17.5M
Free Cash FlowOCF − Capex
$12.2M
FCF MarginFCF / Revenue
7.1%
Capex IntensityCapex / Revenue
5.9%
Cash ConversionOCF / Net Profit
2.16×
TTM Free Cash FlowTrailing 4 quarters
$65.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSLY
FSLY
PRLB
PRLB
Q1 26
$17.5M
Q4 25
$22.4M
$16.5M
Q3 25
$28.9M
$29.1M
Q2 25
$25.8M
$10.6M
Q1 25
$17.3M
$18.4M
Q4 24
$5.2M
$17.3M
Q3 24
$5.0M
$24.8M
Q2 24
$-4.9M
$14.4M
Free Cash Flow
FSLY
FSLY
PRLB
PRLB
Q1 26
Q4 25
$12.2M
$8.4M
Q3 25
$22.9M
$25.0M
Q2 25
$15.9M
$9.1M
Q1 25
$14.7M
$17.1M
Q4 24
$251.0K
$16.5M
Q3 24
$3.0M
$23.2M
Q2 24
$-6.7M
$10.2M
FCF Margin
FSLY
FSLY
PRLB
PRLB
Q1 26
Q4 25
7.1%
6.2%
Q3 25
14.5%
18.5%
Q2 25
10.7%
6.7%
Q1 25
10.2%
13.6%
Q4 24
0.2%
13.5%
Q3 24
2.2%
18.5%
Q2 24
-5.1%
8.2%
Capex Intensity
FSLY
FSLY
PRLB
PRLB
Q1 26
Q4 25
5.9%
5.9%
Q3 25
3.8%
3.0%
Q2 25
6.6%
1.1%
Q1 25
1.8%
1.0%
Q4 24
3.5%
0.7%
Q3 24
1.5%
1.2%
Q2 24
1.3%
3.3%
Cash Conversion
FSLY
FSLY
PRLB
PRLB
Q1 26
2.16×
Q4 25
Q3 25
4.03×
Q2 25
2.39×
Q1 25
5.11×
Q4 24
Q3 24
3.44×
Q2 24
3.18×

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%

PRLB
PRLB

CNC Machining$63.2M45%
Injection Molding$51.1M37%
3D Printing$20.5M15%
Sheet Metal$4.4M3%
Other Revenue$207.0K0%

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