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

BLACKLINE, INC. is the larger business by last-quarter revenue ($183.2M vs $136.5M, roughly 1.3× Proto Labs Inc). On growth, Proto Labs Inc posted the faster year-over-year revenue change (12.1% vs 8.1%). BLACKLINE, INC. produced more free cash flow last quarter ($26.1M vs $8.4M). Over the past eight quarters, BLACKLINE, INC.'s revenue compounded faster (7.9% CAGR vs 3.3%).

BlackLine Systems, Inc., is an American enterprise software company that develops cloud-based services designed to automate and manage the entire financial close process as well as consolidation, invoice-to-cash, and intercompany accounting. The Los Angeles–based company has 17 offices worldwide.

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...

BL vs PRLB — Head-to-Head

Bigger by revenue
BL
BL
1.3× larger
BL
$183.2M
$136.5M
PRLB
Growing faster (revenue YoY)
PRLB
PRLB
+4.0% gap
PRLB
12.1%
8.1%
BL
More free cash flow
BL
BL
$17.7M more FCF
BL
$26.1M
$8.4M
PRLB
Faster 2-yr revenue CAGR
BL
BL
Annualised
BL
7.9%
3.3%
PRLB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BL
BL
PRLB
PRLB
Revenue
$183.2M
$136.5M
Net Profit
$4.9M
Gross Margin
75.2%
44.2%
Operating Margin
3.7%
5.0%
Net Margin
2.7%
Revenue YoY
8.1%
12.1%
Net Profit YoY
-91.3%
EPS (diluted)
$0.07
$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
BL
BL
PRLB
PRLB
Q4 25
$183.2M
$136.5M
Q3 25
$178.3M
$135.4M
Q2 25
$172.0M
$135.1M
Q1 25
$166.9M
$126.2M
Q4 24
$169.5M
$121.8M
Q3 24
$165.9M
$125.6M
Q2 24
$160.5M
$125.6M
Q1 24
$157.5M
$127.9M
Net Profit
BL
BL
PRLB
PRLB
Q4 25
$4.9M
Q3 25
$5.3M
$7.2M
Q2 25
$8.3M
$4.4M
Q1 25
$6.1M
$3.6M
Q4 24
$56.4M
Q3 24
$17.2M
$7.2M
Q2 24
$76.7M
$4.5M
Q1 24
$10.8M
$5.3M
Gross Margin
BL
BL
PRLB
PRLB
Q4 25
75.2%
44.2%
Q3 25
75.1%
45.3%
Q2 25
75.2%
44.3%
Q1 25
75.5%
44.1%
Q4 24
75.6%
42.7%
Q3 24
75.2%
45.6%
Q2 24
74.9%
45.0%
Q1 24
75.2%
44.9%
Operating Margin
BL
BL
PRLB
PRLB
Q4 25
3.7%
5.0%
Q3 25
4.3%
6.5%
Q2 25
4.4%
3.7%
Q1 25
2.1%
3.6%
Q4 24
3.7%
-1.2%
Q3 24
5.0%
6.8%
Q2 24
1.4%
4.8%
Q1 24
1.1%
5.3%
Net Margin
BL
BL
PRLB
PRLB
Q4 25
2.7%
Q3 25
3.0%
5.3%
Q2 25
4.8%
3.3%
Q1 25
3.6%
2.9%
Q4 24
33.3%
Q3 24
10.4%
5.7%
Q2 24
47.8%
3.6%
Q1 24
6.9%
4.1%
EPS (diluted)
BL
BL
PRLB
PRLB
Q4 25
$0.07
$0.25
Q3 25
$0.09
$0.30
Q2 25
$0.13
$0.18
Q1 25
$0.10
$0.15
Q4 24
$0.79
$-0.01
Q3 24
$0.27
$0.29
Q2 24
$0.22
$0.18
Q1 24
$0.17
$0.20

Balance Sheet & Financial Strength

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

Metric
BL
BL
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$390.0M
$128.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$332.3M
$673.9M
Total Assets
$1.8B
$763.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BL
BL
PRLB
PRLB
Q4 25
$390.0M
$128.1M
Q3 25
$419.9M
$119.2M
Q2 25
$459.1M
$103.2M
Q1 25
$479.5M
$96.8M
Q4 24
$885.9M
$103.1M
Q3 24
$725.3M
$100.5M
Q2 24
$616.6M
$112.9M
Q1 24
$331.4M
$109.7M
Stockholders' Equity
BL
BL
PRLB
PRLB
Q4 25
$332.3M
$673.9M
Q3 25
$328.3M
$664.7M
Q2 25
$414.0M
$664.7M
Q1 25
$417.9M
$656.8M
Q4 24
$446.7M
$670.2M
Q3 24
$367.9M
$680.0M
Q2 24
$325.8M
$685.2M
Q1 24
$279.8M
$687.3M
Total Assets
BL
BL
PRLB
PRLB
Q4 25
$1.8B
$763.4M
Q3 25
$1.7B
$756.9M
Q2 25
$1.8B
$743.3M
Q1 25
$1.8B
$737.5M
Q4 24
$1.8B
$743.5M
Q3 24
$1.7B
$753.8M
Q2 24
$1.9B
$758.2M
Q1 24
$2.1B
$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
BL
BL
PRLB
PRLB
Operating Cash FlowLast quarter
$26.7M
$16.5M
Free Cash FlowOCF − Capex
$26.1M
$8.4M
FCF MarginFCF / Revenue
14.2%
6.2%
Capex IntensityCapex / Revenue
0.3%
5.9%
Cash ConversionOCF / Net Profit
5.46×
TTM Free Cash FlowTrailing 4 quarters
$161.5M
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BL
BL
PRLB
PRLB
Q4 25
$26.7M
$16.5M
Q3 25
$63.8M
$29.1M
Q2 25
$32.3M
$10.6M
Q1 25
$46.7M
$18.4M
Q4 24
$43.8M
$17.3M
Q3 24
$55.9M
$24.8M
Q2 24
$40.7M
$14.4M
Q1 24
$50.4M
$21.3M
Free Cash Flow
BL
BL
PRLB
PRLB
Q4 25
$26.1M
$8.4M
Q3 25
$63.3M
$25.0M
Q2 25
$31.4M
$9.1M
Q1 25
$40.8M
$17.1M
Q4 24
$43.0M
$16.5M
Q3 24
$55.5M
$23.2M
Q2 24
$40.0M
$10.2M
Q1 24
$50.1M
$18.8M
FCF Margin
BL
BL
PRLB
PRLB
Q4 25
14.2%
6.2%
Q3 25
35.5%
18.5%
Q2 25
18.2%
6.7%
Q1 25
24.4%
13.6%
Q4 24
25.4%
13.5%
Q3 24
33.5%
18.5%
Q2 24
24.9%
8.2%
Q1 24
31.8%
14.7%
Capex Intensity
BL
BL
PRLB
PRLB
Q4 25
0.3%
5.9%
Q3 25
0.3%
3.0%
Q2 25
0.6%
1.1%
Q1 25
3.6%
1.0%
Q4 24
0.4%
0.7%
Q3 24
0.2%
1.2%
Q2 24
0.4%
3.3%
Q1 24
0.2%
2.0%
Cash Conversion
BL
BL
PRLB
PRLB
Q4 25
5.46×
Q3 25
12.07×
4.03×
Q2 25
3.90×
2.39×
Q1 25
7.72×
5.11×
Q4 24
0.78×
Q3 24
3.24×
3.44×
Q2 24
0.53×
3.18×
Q1 24
4.66×
4.05×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BL
BL

Subscription And Circulation$173.2M95%
Technology Service$10.0M5%

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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