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Side-by-side financial comparison of IMPINJ INC (PI) 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 ($139.3M vs $74.3M, roughly 1.9× IMPINJ INC). IMPINJ INC runs the higher net margin — 11.2% vs 5.8%, a 5.4% gap on every dollar of revenue. On growth, Proto Labs Inc posted the faster year-over-year revenue change (10.4% vs -0.0%). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (5.3% CAGR vs -14.9%).

Impinj, Inc. is an American manufacturer of radio-frequency identification (RFID) devices and software. The company was founded in 2000 and is headquartered in Seattle, Washington. The company was started based on the research done at the California Institute of Technology by Carver Mead and Chris Diorio. Impinj currently produces EPC Class 1, Gen 2 passive UHF RFID chips, RFID readers, RFID reader chips, and RFID antennas, and software applications for encoding chips, and gathering business ...

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...

PI vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.9× larger
PRLB
$139.3M
$74.3M
PI
Growing faster (revenue YoY)
PRLB
PRLB
+10.4% gap
PRLB
10.4%
-0.0%
PI
Higher net margin
PI
PI
5.4% more per $
PI
11.2%
5.8%
PRLB
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
5.3%
-14.9%
PI

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
PI
PI
PRLB
PRLB
Revenue
$74.3M
$139.3M
Net Profit
$8.3M
$8.1M
Gross Margin
49.1%
45.6%
Operating Margin
30.5%
7.1%
Net Margin
11.2%
5.8%
Revenue YoY
-0.0%
10.4%
Net Profit YoY
125.4%
EPS (diluted)
$0.14
$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
PI
PI
PRLB
PRLB
Q1 26
$74.3M
$139.3M
Q4 25
$92.8M
$136.5M
Q3 25
$96.1M
$135.4M
Q2 25
$97.9M
$135.1M
Q1 25
$74.3M
$126.2M
Q4 24
$91.6M
$121.8M
Q3 24
$95.2M
$125.6M
Q2 24
$102.5M
$125.6M
Net Profit
PI
PI
PRLB
PRLB
Q1 26
$8.3M
$8.1M
Q4 25
$-1.1M
Q3 25
$-12.8M
$7.2M
Q2 25
$11.6M
$4.4M
Q1 25
$-8.5M
$3.6M
Q4 24
$-2.7M
Q3 24
$221.0K
$7.2M
Q2 24
$10.0M
$4.5M
Gross Margin
PI
PI
PRLB
PRLB
Q1 26
49.1%
45.6%
Q4 25
51.8%
44.2%
Q3 25
50.3%
45.3%
Q2 25
57.8%
44.3%
Q1 25
49.4%
44.1%
Q4 24
50.5%
42.7%
Q3 24
50.0%
45.6%
Q2 24
56.1%
45.0%
Operating Margin
PI
PI
PRLB
PRLB
Q1 26
30.5%
7.1%
Q4 25
-2.9%
5.0%
Q3 25
0.7%
6.5%
Q2 25
11.1%
3.7%
Q1 25
-12.9%
3.6%
Q4 24
-3.9%
-1.2%
Q3 24
-0.8%
6.8%
Q2 24
8.8%
4.8%
Net Margin
PI
PI
PRLB
PRLB
Q1 26
11.2%
5.8%
Q4 25
-1.2%
Q3 25
-13.3%
5.3%
Q2 25
11.8%
3.3%
Q1 25
-11.4%
2.9%
Q4 24
-2.9%
Q3 24
0.2%
5.7%
Q2 24
9.7%
3.6%
EPS (diluted)
PI
PI
PRLB
PRLB
Q1 26
$0.14
$0.29
Q4 25
$-0.02
$0.25
Q3 25
$-0.44
$0.30
Q2 25
$0.39
$0.18
Q1 25
$-0.30
$0.15
Q4 24
$-0.06
$-0.01
Q3 24
$0.01
$0.29
Q2 24
$0.34
$0.18

Balance Sheet & Financial Strength

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

Metric
PI
PI
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$131.8M
$124.0M
Total DebtLower is stronger
$241.5M
Stockholders' EquityBook value
$683.1M
Total Assets
$502.5M
$778.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PI
PI
PRLB
PRLB
Q1 26
$131.8M
$124.0M
Q4 25
$175.3M
$128.1M
Q3 25
$190.1M
$119.2M
Q2 25
$193.2M
$103.2M
Q1 25
$147.9M
$96.8M
Q4 24
$164.7M
$103.1M
Q3 24
$170.3M
$100.5M
Q2 24
$220.2M
$112.9M
Total Debt
PI
PI
PRLB
PRLB
Q1 26
$241.5M
Q4 25
$280.9M
Q3 25
$280.4M
Q2 25
Q1 25
Q4 24
$283.5M
Q3 24
Q2 24
Stockholders' Equity
PI
PI
PRLB
PRLB
Q1 26
$683.1M
Q4 25
$209.2M
$673.9M
Q3 25
$195.0M
$664.7M
Q2 25
$187.7M
$664.7M
Q1 25
$160.6M
$656.8M
Q4 24
$149.9M
$670.2M
Q3 24
$136.1M
$680.0M
Q2 24
$117.0M
$685.2M
Total Assets
PI
PI
PRLB
PRLB
Q1 26
$502.5M
$778.6M
Q4 25
$545.2M
$763.4M
Q3 25
$516.5M
$756.9M
Q2 25
$508.8M
$743.3M
Q1 25
$479.8M
$737.5M
Q4 24
$489.1M
$743.5M
Q3 24
$476.4M
$753.8M
Q2 24
$446.1M
$758.2M
Debt / Equity
PI
PI
PRLB
PRLB
Q1 26
Q4 25
1.34×
Q3 25
1.44×
Q2 25
Q1 25
Q4 24
1.89×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
PI
PI
PRLB
PRLB
Operating Cash FlowLast quarter
$17.5M
Free Cash FlowOCF − Capex
$2.2M
FCF MarginFCF / Revenue
3.0%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
2.16×
TTM Free Cash FlowTrailing 4 quarters
$61.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PI
PI
PRLB
PRLB
Q1 26
$17.5M
Q4 25
$15.1M
$16.5M
Q3 25
$20.9M
$29.1M
Q2 25
$33.9M
$10.6M
Q1 25
$-11.1M
$18.4M
Q4 24
$12.6M
$17.3M
Q3 24
$10.1M
$24.8M
Q2 24
$45.5M
$14.4M
Free Cash Flow
PI
PI
PRLB
PRLB
Q1 26
$2.2M
Q4 25
$13.6M
$8.4M
Q3 25
$18.0M
$25.0M
Q2 25
$27.3M
$9.1M
Q1 25
$-13.0M
$17.1M
Q4 24
$8.5M
$16.5M
Q3 24
$4.7M
$23.2M
Q2 24
$44.1M
$10.2M
FCF Margin
PI
PI
PRLB
PRLB
Q1 26
3.0%
Q4 25
14.7%
6.2%
Q3 25
18.7%
18.5%
Q2 25
27.9%
6.7%
Q1 25
-17.5%
13.6%
Q4 24
9.3%
13.5%
Q3 24
4.9%
18.5%
Q2 24
43.0%
8.2%
Capex Intensity
PI
PI
PRLB
PRLB
Q1 26
Q4 25
1.6%
5.9%
Q3 25
3.1%
3.0%
Q2 25
6.7%
1.1%
Q1 25
2.5%
1.0%
Q4 24
4.5%
0.7%
Q3 24
5.7%
1.2%
Q2 24
1.3%
3.3%
Cash Conversion
PI
PI
PRLB
PRLB
Q1 26
2.16×
Q4 25
Q3 25
4.03×
Q2 25
2.93×
2.39×
Q1 25
5.11×
Q4 24
Q3 24
45.56×
3.44×
Q2 24
4.56×
3.18×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PI
PI

Segment breakdown not available.

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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