Proto Labs, Inc. (PRLB) Key Metrics

NYSE: PRLBValuation, returns, debt and efficiency ratios over 10 years.

PRLB valuation today

Trailing 12 months · as of October 17, 2026
Market cap
$2.05B
Enterprise value
$1.99B
P/E (TTM)
68.0
10-yr median 53.4
Forward P/E
32.3
PEG ratio
0.86
Price / sales
3.7
10-yr median 3.7
Price / book
3.1
10-yr median 2.7
EV / EBITDA
27.0
10-yr median 23.2
Dividend yield
—
Beta
1.38

PRLB key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

PRLB valuation Price multiples at each fiscal year-end price.

P/E ratio−2.8%
57.7
2025 · hover or tap a bar for each year
2016: 31.9 (−11.4%)2017: 53.4 (+67.2%)2018: 40.2 (−24.8%)2019: 43.2 (+7.4%)2020: 81.1 (+88.0%)2021: 42.6 (−47.5%)2023: 59.32024: 59.4 (+0.1%)2025: 57.7 (−2.8%)
20162025
Price / sales+16.9%
2.3
2025 · hover or tap a bar for each year
2016: 4.6 (−27.9%)2017: 8.0 (+75.4%)2018: 6.9 (−14.0%)2019: 6.0 (−13.3%)2020: 9.5 (+58.6%)2021: 2.9 (−69.4%)2022: 1.4 (−50.8%)2023: 2.0 (+41.5%)2024: 2.0 (−3.0%)2025: 2.3 (+16.9%)
20162025
Price / book+23.8%
1.8
2025 · hover or tap a bar for each year
2016: 3.6 (−29.8%)2017: 6.0 (+66.9%)2018: 5.7 (−5.2%)2019: 4.7 (−17.5%)2020: 6.4 (+36.6%)2021: 1.7 (−73.2%)2022: 1.0 (−41.5%)2023: 1.5 (+46.5%)2024: 1.5 (+0.1%)2025: 1.8 (+23.8%)
20162025
EV / EBITDA+16.3%
17.0
2025 · hover or tap a bar for each year
2016: 15.4 (−21.0%)2017: 28.8 (+87.4%)2018: 24.9 (−13.6%)2019: 23.2 (−6.8%)2020: 41.6 (+79.6%)2021: 16.7 (−59.8%)2023: 32.82024: 14.6 (−55.5%)2025: 17.0 (+16.3%)
20162025
Price / free cash flow+43.2%
20.6
2025 · hover or tap a bar for each year
2016: 33.0 (−72.1%)2017: 56.3 (+70.7%)2018: 85.9 (+52.5%)2019: 51.0 (−40.6%)2020: 68.8 (+34.8%)2021: 67.5 (−1.9%)2022: 17.3 (−74.3%)2023: 22.6 (+30.6%)2024: 14.4 (−36.6%)2025: 20.6 (+43.2%)
20162025
Free cash flow yield−2.1 pts
4.9%
2025 · hover or tap a bar for each year
2016: 3.0% (+2.2 pts)2017: 1.8% (−1.3 pts)2018: 1.2% (−0.6 pts)2019: 2.0% (+0.8 pts)2020: 1.5% (−0.5 pts)2021: 1.5% (0.0 pts)2022: 5.8% (+4.3 pts)2023: 4.4% (−1.4 pts)2024: 7.0% (+2.5 pts)2025: 4.9% (−2.1 pts)
20162025

PRLB valuation history

Fiscal year-endToday10-year median

PRLB returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

PRLB debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

PRLB cash returned to shareholders

DividendsBuybacksFree cash flow

PRLB price vs earnings per share

Share price at year-endEPS (right axis)

PRLB key metrics

2016–2025
Proto Labs, Inc. key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$1.23B$985.5M$1.02B$699.8M$1.42B$4.13B$2.75B$3.08B$2.77B$1.36B
Enterprise value$1.10B$886.0M$924.3M$641.0M$1.35B$3.98B$2.60B$2.94B$2.68B$1.26B
P/E ratio57.759.459.3—42.681.143.240.253.431.9
Price / sales2.32.02.01.42.99.56.06.98.04.6
Price / book1.81.51.51.01.76.44.75.76.03.6
Price / free cash flow20.614.422.617.367.568.851.085.956.333.0
Price / operating cash flow16.512.713.911.325.738.623.725.033.818.2
EV / sales2.11.81.81.32.89.25.76.67.84.2
EV / EBITDA17.014.632.8—16.741.623.224.928.815.4
EV / free cash flow18.512.920.515.964.266.348.382.254.530.4
Earnings yield1.7%1.7%1.7%−14.8%2.4%1.2%2.3%2.5%1.9%3.1%
Free cash flow yield4.9%7.0%4.4%5.8%1.5%1.5%2.0%1.2%1.8%3.0%
Dividend yield——0.4%0.2%0.4%0.2%——0.0%0.0%
Shareholder yield (dividends + buybacks)3.5%6.1%4.7%4.7%2.1%0.5%1.2%0.4%0.2%0.0%
Share price at fiscal year-end$50.59$39.09$38.96$25.53$51.35$153.40$101.55$112.79$103.00$51.35
Per share
Revenue per share$21.99$19.87$19.21$17.82$17.65$16.15$16.96$16.33$12.83$11.22
Earnings per share$0.88$0.66$0.66−$3.77$1.21$1.89$2.35$2.81$1.93$1.61
Operating cash flow per share$3.07$3.09$2.79$2.26$2.00$3.98$4.29$4.51$3.05$2.82
Free cash flow per share$2.46$2.72$1.72$1.47$0.76$2.23$1.99$1.31$1.83$1.56
Cash per share$5.28$4.09$3.92$2.92$2.80$6.01$5.94$4.83$3.51$4.08
Book value per share$27.80$26.58$26.51$25.45$29.96$23.96$21.66$19.85$17.18$14.30
Tangible book value per share$15.73$14.86$15.09$14.32$14.10$18.64$16.25$14.40$11.69$13.11
Dividends per share——$0.15$0.06$0.21$0.28——$0.00$0.00
Capex per share$0.61$0.36$1.07$0.79$1.24$1.75$2.30$3.19$1.22$1.27
Debt per share$0.13$0.14$0.21$0.78$0.27$0.50$0.44—$0.19$0.00
Shares outstanding24.2M25.2M26.2M27.4M27.7M26.9M27.0M27.3M26.8M26.6M
Change in shares outstanding−3.8%−3.9%−4.3%−0.9%+2.8%−0.6%−0.8%+1.6%+1.1%+0.9%
Returns & profitability
Return on equity (ROE)3.2%2.4%2.5%−13.6%4.5%8.3%11.3%15.3%12.3%12.1%
Return on invested capital (ROIC)3.2%2.9%2.8%3.0%3.7%10.4%14.8%19.0%15.6%15.8%
Return on assets (ROA)2.8%2.2%2.2%−12.0%4.0%7.2%9.8%13.5%11.1%11.0%
Return on tangible assets4.3%3.7%3.6%−20.8%6.8%8.5%12.1%16.3%14.0%11.2%
Free cash flow margin11.2%13.7%9.0%8.3%4.3%13.8%11.7%8.0%14.3%13.9%
Income quality (OCF / net income)3.514.694.26—1.662.101.821.611.581.76
Financial health
Total debt$3.0M$3.5M$5.5M$21.4M$7.4M$13.3M$11.9M—$5.0M$0
Cash & short-term investments$128.1M$103.1M$102.8M$80.1M$77.5M$161.7M$160.7M$131.8M$94.1M$108.3M
Net debt−$125.1M−$99.6M−$97.3M−$58.8M−$70.1M−$148.4M−$148.8M−$131.8M−$89.1M−$108.3M
Debt / equity0.000.010.010.030.010.020.02—0.010.00
Debt / assets0.000.000.010.030.010.020.02—0.010.00
Net debt / EBITDA−1.93−1.64−3.46—−0.87−1.55−1.33−1.11−0.96−1.33
Current ratio3.493.664.042.613.344.824.974.083.896.74
Quick ratio3.273.433.762.423.104.604.763.893.636.34
Interest coverage—127.525.60.2176.219.259.7———
Working capital$166.5M$141.6M$151.0M$115.0M$128.6M$191.7M$188.8M$162.6M$122.6M$134.4M
Invested capital$548.9M$570.6M$598.0M$638.9M$758.4M$496.0M$437.0M$409.7M$372.1M$271.6M
Tangible asset value$381.3M$374.7M$395.7M$392.4M$389.9M$501.3M$439.7M$392.9M$313.8M$348.3M
Net current asset value$123.8M$121.5M$123.6M$82.0M$83.4M$142.2M$148.5M$137.9M$108.9M$123.4M
Graham number$23.41$19.84$19.79—$28.52$31.93$33.86$35.41$27.31$22.74
Graham net-net per share$3.57$3.49$3.39$1.55$1.63$4.13$4.47$3.96$3.11$3.93
Capital allocation
Dividends paid——$3.8M$1.7M$5.9M$7.6M——$0$0
Share buybacks (net)$43.0M$60.3M$44.0M$31.3M$23.3M$14.7M$33.5M$12.2M$4.4M$0
Dividend payout ratio——22.3%—17.6%14.9%——0.0%0.0%
Dividends + buybacks / free cash flow72.0%87.8%105.8%81.8%138.5%37.1%62.3%34.1%9.0%0.0%
Capex / revenue2.8%1.8%5.6%4.4%7.0%10.8%13.6%19.5%9.5%11.3%
Capex / operating cash flow19.9%11.8%38.4%34.9%61.9%43.9%53.6%70.9%39.9%44.8%
Capex / depreciation0.440.260.750.550.841.442.023.261.771.92
Stock-based compensation / revenue3.0%3.4%3.2%3.6%3.9%3.4%2.4%2.5%2.5%2.3%
R&D / revenue8.0%8.2%8.0%7.8%9.1%8.5%7.1%6.4%6.8%7.5%
SG&A / revenue31.5%31.2%30.5%30.8%28.3%27.9%26.8%27.2%28.5%27.8%
Efficiency
Days sales outstanding51.652.656.360.452.348.748.748.446.546.9
Days of inventory on hand16.517.117.617.916.517.616.518.824.926.6
Days payables outstanding18.920.521.428.630.029.527.929.432.934.7
Cash conversion cycle (days)49.249.252.549.738.836.837.237.938.538.7
Receivables turnover7.076.936.496.046.987.507.507.547.847.78
Payables turnover19.3417.8317.0912.7812.1712.3613.0612.4311.0810.50
Inventory turnover22.1721.3920.7020.4122.1020.6922.1619.3814.6413.74
Asset turnover0.700.660.640.560.580.610.710.780.740.77
Average receivables$75.4M$72.2M$77.7M$80.8M$69.9M$57.9M$61.2M$59.1M$43.9M$38.3M
Average payables$15.3M$15.6M$16.5M$21.4M$21.8M$17.5M$17.1M$16.6M$13.6M$12.5M
Average inventory$13.4M$13.0M$13.6M$13.4M$12.0M$10.5M$10.1M$10.7M$10.3M$9.5M
Intangibles / total assets37.3%39.7%38.8%38.1%47.2%19.2%21.7%24.0%28.5%7.6%

Computed from PRLB's annual financial statements (latest annual report filed February 20, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

PRLB valuation and financial ratios

At the end of fiscal 2025 (December 31, 2025), Proto Labs traded at 57.7 times earnings, against a 10-year median of 53.4. Based on the latest twelve months, the trailing P/E is 68.0 and the forward P/E is 32.3. Proto Labs earned a return on equity of 3.2% and a return on invested capital of 3.2% in fiscal 2025. It ended the year with $3.0 million of debt and $128.1 million in cash and short-term investments, a net cash position of $125.1 million. It returned $43.0 million to shareholders: $0 in dividends and $43.0 million in share buybacks, 72% of free cash flow. The share count fell 8.7% from 26.6M to 24.2M over 9 years.

See the PRLB income statement, the PRLB chart for price history, or the PRLB stock overview for the latest quote and news.

PRLB key metrics FAQ

What is Proto Labs's P/E ratio?

Proto Labs's trailing P/E ratio is 68.0 based on the last twelve months of earnings (as of October 17, 2026), and its forward P/E is 32.3. At the end of fiscal 2025 it was 57.7, compared with a 10-year median of 53.4.

What is Proto Labs's EV/EBITDA?

Proto Labs's enterprise value was 17.0 times EBITDA at the end of fiscal 2025 (enterprise value $1.1 billion, EBITDA $64.9 million); the current EV/EBITDA is 27.0.

What is Proto Labs's return on equity?

Proto Labs's return on equity (ROE) was 3.2% in fiscal 2025: net income of $21.2 million on average shareholders' equity of $672.0 million.

What is Proto Labs's ROIC?

Proto Labs's return on invested capital was 3.2% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Proto Labs have?

Proto Labs had total debt of $3.0 million at the end of fiscal 2025, a debt-to-equity ratio of 0.00 and more cash than debt.

Does Proto Labs buy back its shares?

Yes. Proto Labs spent $43.0 million on net share repurchases in fiscal 2025 Shares outstanding changed −3.8% over the year, to 24.2M..

What is Proto Labs's free cash flow yield?

Proto Labs generated $59.7 million of free cash flow in fiscal 2025, a free cash flow yield of 4.9% on its market value at year-end ($1.2 billion).

What is Proto Labs's current ratio?

Proto Labs's current ratio was 3.49 at the end of fiscal 2025: current assets were 3.49 times current liabilities.

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