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

SentinelOne, Inc. is the larger business by last-quarter revenue ($258.9M vs $136.5M, roughly 1.9× Proto Labs Inc). On growth, SentinelOne, Inc. posted the faster year-over-year revenue change (22.9% vs 12.1%). SentinelOne, Inc. produced more free cash flow last quarter ($20.9M vs $8.4M).

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...

SentinelOne, Inc. is an American cybersecurity company listed on NYSE based in Mountain View, California. The company was founded in 2013 by Tomer Weingarten, Almog Cohen and Ehud ("Udi") Shamir. Weingarten acts as the company's CEO. The company has approximately 2,800 employees and offices in Mountain View, Boston, Prague, Tokyo, and Tel Aviv. The company uses machine learning for monitoring personal computers, IoT devices, and cloud workloads. The company's platform utilizes a heuristic mod...

PRLB vs S — Head-to-Head

Bigger by revenue
S
S
1.9× larger
S
$258.9M
$136.5M
PRLB
Growing faster (revenue YoY)
S
S
+10.8% gap
S
22.9%
12.1%
PRLB
More free cash flow
S
S
$12.5M more FCF
S
$20.9M
$8.4M
PRLB

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
PRLB
PRLB
S
S
Revenue
$136.5M
$258.9M
Net Profit
$-60.3M
Gross Margin
44.2%
73.8%
Operating Margin
5.0%
-28.3%
Net Margin
-23.3%
Revenue YoY
12.1%
22.9%
Net Profit YoY
23.1%
EPS (diluted)
$0.25
$-0.18

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
PRLB
PRLB
S
S
Q4 25
$136.5M
$258.9M
Q3 25
$135.4M
$242.2M
Q2 25
$135.1M
$229.0M
Q1 25
$126.2M
Q4 24
$121.8M
Q3 24
$125.6M
Q2 24
$125.6M
Q1 24
$127.9M
Net Profit
PRLB
PRLB
S
S
Q4 25
$-60.3M
Q3 25
$7.2M
$-72.0M
Q2 25
$4.4M
$-208.2M
Q1 25
$3.6M
Q4 24
Q3 24
$7.2M
Q2 24
$4.5M
Q1 24
$5.3M
Gross Margin
PRLB
PRLB
S
S
Q4 25
44.2%
73.8%
Q3 25
45.3%
75.0%
Q2 25
44.3%
75.3%
Q1 25
44.1%
Q4 24
42.7%
Q3 24
45.6%
Q2 24
45.0%
Q1 24
44.9%
Operating Margin
PRLB
PRLB
S
S
Q4 25
5.0%
-28.3%
Q3 25
6.5%
-33.3%
Q2 25
3.7%
-38.2%
Q1 25
3.6%
Q4 24
-1.2%
Q3 24
6.8%
Q2 24
4.8%
Q1 24
5.3%
Net Margin
PRLB
PRLB
S
S
Q4 25
-23.3%
Q3 25
5.3%
-29.7%
Q2 25
3.3%
-90.9%
Q1 25
2.9%
Q4 24
Q3 24
5.7%
Q2 24
3.6%
Q1 24
4.1%
EPS (diluted)
PRLB
PRLB
S
S
Q4 25
$0.25
$-0.18
Q3 25
$0.30
$-0.22
Q2 25
$0.18
$-0.63
Q1 25
$0.15
Q4 24
$-0.01
Q3 24
$0.29
Q2 24
$0.18
Q1 24
$0.20

Balance Sheet & Financial Strength

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

Metric
PRLB
PRLB
S
S
Cash + ST InvestmentsLiquidity on hand
$128.1M
$649.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$673.9M
$1.5B
Total Assets
$763.4M
$2.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRLB
PRLB
S
S
Q4 25
$128.1M
$649.8M
Q3 25
$119.2M
$810.8M
Q2 25
$103.2M
$766.9M
Q1 25
$96.8M
Q4 24
$103.1M
Q3 24
$100.5M
Q2 24
$112.9M
Q1 24
$109.7M
Stockholders' Equity
PRLB
PRLB
S
S
Q4 25
$673.9M
$1.5B
Q3 25
$664.7M
$1.5B
Q2 25
$664.7M
$1.5B
Q1 25
$656.8M
Q4 24
$670.2M
Q3 24
$680.0M
Q2 24
$685.2M
Q1 24
$687.3M
Total Assets
PRLB
PRLB
S
S
Q4 25
$763.4M
$2.4B
Q3 25
$756.9M
$2.4B
Q2 25
$743.3M
$2.4B
Q1 25
$737.5M
Q4 24
$743.5M
Q3 24
$753.8M
Q2 24
$758.2M
Q1 24
$769.8M

Cash Flow & Capital Efficiency

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

Metric
PRLB
PRLB
S
S
Operating Cash FlowLast quarter
$16.5M
$21.0M
Free Cash FlowOCF − Capex
$8.4M
$20.9M
FCF MarginFCF / Revenue
6.2%
8.1%
Capex IntensityCapex / Revenue
5.9%
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRLB
PRLB
S
S
Q4 25
$16.5M
$21.0M
Q3 25
$29.1M
$-1.0M
Q2 25
$10.6M
$52.3M
Q1 25
$18.4M
Q4 24
$17.3M
Q3 24
$24.8M
Q2 24
$14.4M
Q1 24
$21.3M
Free Cash Flow
PRLB
PRLB
S
S
Q4 25
$8.4M
$20.9M
Q3 25
$25.0M
$-1.3M
Q2 25
$9.1M
$52.1M
Q1 25
$17.1M
Q4 24
$16.5M
Q3 24
$23.2M
Q2 24
$10.2M
Q1 24
$18.8M
FCF Margin
PRLB
PRLB
S
S
Q4 25
6.2%
8.1%
Q3 25
18.5%
-0.5%
Q2 25
6.7%
22.8%
Q1 25
13.6%
Q4 24
13.5%
Q3 24
18.5%
Q2 24
8.2%
Q1 24
14.7%
Capex Intensity
PRLB
PRLB
S
S
Q4 25
5.9%
0.0%
Q3 25
3.0%
0.1%
Q2 25
1.1%
0.1%
Q1 25
1.0%
Q4 24
0.7%
Q3 24
1.2%
Q2 24
3.3%
Q1 24
2.0%
Cash Conversion
PRLB
PRLB
S
S
Q4 25
Q3 25
4.03×
Q2 25
2.39×
Q1 25
5.11×
Q4 24
Q3 24
3.44×
Q2 24
3.18×
Q1 24
4.05×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRLB
PRLB

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

S
S

US$154.8M60%
Non Us$104.1M40%

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