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

Proto Labs Inc is the larger business by last-quarter revenue ($136.5M vs $102.2M, roughly 1.3× ACCURAY INC). On growth, Proto Labs Inc posted the faster year-over-year revenue change (12.1% vs -12.0%). Proto Labs Inc produced more free cash flow last quarter ($8.4M vs $-19.0M). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (3.3% CAGR vs 0.5%).

Accuray is a radiation therapy company that develops, manufactures, and sells radiation therapy systems to deliver treatments including stereotactic radiosurgery (SRS) and stereotactic body radiation therapy (SBRT). It is the developer of innovative technologies, the CyberKnife and TomoTherapy platforms, including the Radixact System, the latest generation TomoTherapy platform. The company is headquartered in Sunnyvale, CA, the United States. The platforms are installed in leading healthcare ...

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...

ARAY vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.3× larger
PRLB
$136.5M
$102.2M
ARAY
Growing faster (revenue YoY)
PRLB
PRLB
+24.1% gap
PRLB
12.1%
-12.0%
ARAY
More free cash flow
PRLB
PRLB
$27.4M more FCF
PRLB
$8.4M
$-19.0M
ARAY
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
3.3%
0.5%
ARAY

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
ARAY
ARAY
PRLB
PRLB
Revenue
$102.2M
$136.5M
Net Profit
$-13.8M
Gross Margin
23.5%
44.2%
Operating Margin
-11.3%
5.0%
Net Margin
-13.5%
Revenue YoY
-12.0%
12.1%
Net Profit YoY
-642.8%
EPS (diluted)
$-0.11
$0.25

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
ARAY
ARAY
PRLB
PRLB
Q4 25
$102.2M
$136.5M
Q3 25
$93.9M
$135.4M
Q2 25
$127.5M
$135.1M
Q1 25
$113.2M
$126.2M
Q4 24
$116.2M
$121.8M
Q3 24
$101.5M
$125.6M
Q2 24
$134.3M
$125.6M
Q1 24
$101.1M
$127.9M
Net Profit
ARAY
ARAY
PRLB
PRLB
Q4 25
$-13.8M
Q3 25
$-21.7M
$7.2M
Q2 25
$1.1M
$4.4M
Q1 25
$-1.3M
$3.6M
Q4 24
$2.5M
Q3 24
$-4.0M
$7.2M
Q2 24
$3.4M
$4.5M
Q1 24
$-6.3M
$5.3M
Gross Margin
ARAY
ARAY
PRLB
PRLB
Q4 25
23.5%
44.2%
Q3 25
28.3%
45.3%
Q2 25
30.6%
44.3%
Q1 25
27.9%
44.1%
Q4 24
36.1%
42.7%
Q3 24
33.9%
45.6%
Q2 24
28.6%
45.0%
Q1 24
28.7%
44.9%
Operating Margin
ARAY
ARAY
PRLB
PRLB
Q4 25
-11.3%
5.0%
Q3 25
-12.0%
6.5%
Q2 25
3.3%
3.7%
Q1 25
0.9%
3.6%
Q4 24
4.1%
-1.2%
Q3 24
-2.1%
6.8%
Q2 24
5.1%
4.8%
Q1 24
-4.5%
5.3%
Net Margin
ARAY
ARAY
PRLB
PRLB
Q4 25
-13.5%
Q3 25
-23.1%
5.3%
Q2 25
0.9%
3.3%
Q1 25
-1.1%
2.9%
Q4 24
2.2%
Q3 24
-3.9%
5.7%
Q2 24
2.5%
3.6%
Q1 24
-6.3%
4.1%
EPS (diluted)
ARAY
ARAY
PRLB
PRLB
Q4 25
$-0.11
$0.25
Q3 25
$-0.18
$0.30
Q2 25
$0.01
$0.18
Q1 25
$-0.01
$0.15
Q4 24
$0.02
$-0.01
Q3 24
$-0.04
$0.29
Q2 24
$0.03
$0.18
Q1 24
$-0.06
$0.20

Balance Sheet & Financial Strength

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

Metric
ARAY
ARAY
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$41.3M
$128.1M
Total DebtLower is stronger
$135.9M
Stockholders' EquityBook value
$53.4M
$673.9M
Total Assets
$448.0M
$763.4M
Debt / EquityLower = less leverage
2.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARAY
ARAY
PRLB
PRLB
Q4 25
$41.3M
$128.1M
Q3 25
$63.3M
$119.2M
Q2 25
$57.4M
$103.2M
Q1 25
$77.8M
$96.8M
Q4 24
$62.6M
$103.1M
Q3 24
$59.2M
$100.5M
Q2 24
$68.6M
$112.9M
Q1 24
$60.5M
$109.7M
Total Debt
ARAY
ARAY
PRLB
PRLB
Q4 25
$135.9M
Q3 25
$140.2M
Q2 25
$136.5M
Q1 25
$173.8M
Q4 24
$175.5M
Q3 24
$170.2M
Q2 24
$172.2M
Q1 24
$173.5M
Stockholders' Equity
ARAY
ARAY
PRLB
PRLB
Q4 25
$53.4M
$673.9M
Q3 25
$61.9M
$664.7M
Q2 25
$81.2M
$664.7M
Q1 25
$49.6M
$656.8M
Q4 24
$47.9M
$670.2M
Q3 24
$45.2M
$680.0M
Q2 24
$45.1M
$685.2M
Q1 24
$41.1M
$687.3M
Total Assets
ARAY
ARAY
PRLB
PRLB
Q4 25
$448.0M
$763.4M
Q3 25
$456.8M
$756.9M
Q2 25
$470.2M
$743.3M
Q1 25
$484.3M
$737.5M
Q4 24
$478.4M
$743.5M
Q3 24
$473.1M
$753.8M
Q2 24
$468.6M
$758.2M
Q1 24
$462.5M
$769.8M
Debt / Equity
ARAY
ARAY
PRLB
PRLB
Q4 25
2.54×
Q3 25
2.27×
Q2 25
1.68×
Q1 25
3.50×
Q4 24
3.66×
Q3 24
3.76×
Q2 24
3.82×
Q1 24
4.22×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ARAY
ARAY
PRLB
PRLB
Operating Cash FlowLast quarter
$-16.0M
$16.5M
Free Cash FlowOCF − Capex
$-19.0M
$8.4M
FCF MarginFCF / Revenue
-18.6%
6.2%
Capex IntensityCapex / Revenue
3.0%
5.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-2.7M
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARAY
ARAY
PRLB
PRLB
Q4 25
$-16.0M
$16.5M
Q3 25
$12.2M
$29.1M
Q2 25
$-9.7M
$10.6M
Q1 25
$18.1M
$18.4M
Q4 24
$1.8M
$17.3M
Q3 24
$-7.3M
$24.8M
Q2 24
$9.9M
$14.4M
Q1 24
$-8.1M
$21.3M
Free Cash Flow
ARAY
ARAY
PRLB
PRLB
Q4 25
$-19.0M
$8.4M
Q3 25
$10.3M
$25.0M
Q2 25
$-11.0M
$9.1M
Q1 25
$17.1M
$17.1M
Q4 24
$927.0K
$16.5M
Q3 24
$-8.4M
$23.2M
Q2 24
$9.4M
$10.2M
Q1 24
$-8.9M
$18.8M
FCF Margin
ARAY
ARAY
PRLB
PRLB
Q4 25
-18.6%
6.2%
Q3 25
10.9%
18.5%
Q2 25
-8.6%
6.7%
Q1 25
15.1%
13.6%
Q4 24
0.8%
13.5%
Q3 24
-8.3%
18.5%
Q2 24
7.0%
8.2%
Q1 24
-8.8%
14.7%
Capex Intensity
ARAY
ARAY
PRLB
PRLB
Q4 25
3.0%
5.9%
Q3 25
2.0%
3.0%
Q2 25
1.0%
1.1%
Q1 25
0.8%
1.0%
Q4 24
0.8%
0.7%
Q3 24
1.1%
1.2%
Q2 24
0.3%
3.3%
Q1 24
0.8%
2.0%
Cash Conversion
ARAY
ARAY
PRLB
PRLB
Q4 25
Q3 25
4.03×
Q2 25
-8.64×
2.39×
Q1 25
5.11×
Q4 24
0.71×
Q3 24
3.44×
Q2 24
2.92×
3.18×
Q1 24
4.05×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ARAY
ARAY

Services$57.2M56%
Products$45.0M44%

PRLB
PRLB

CNC Machining Firstcut$65.5M48%
Injection Molding Protomold$47.6M35%
Three D Printing Fineline$18.8M14%
Sheet Metal$4.4M3%

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