ATI vs PRLB Stock Comparison

Ati and Proto Labs Prices as of Oct 23, 2026 Peers: Industry group
ATI Ati Inc
$156.88 -14.7% 1M +75.2% 1Y
Market cap
$22.42B
P/E
47.1x
Revenue (TTM)
$4.72B
Div. yield
–
Specialty Chemicals Basic Materials
7 wins
PRLB Proto Labs Inc
$85.54 -4.2% 1M +54.8% 1Y
Market cap
$2.07B
P/E
67.8x
Revenue (TTM)
$560.54M
Div. yield
–
3D Printing Industrials
2 wins

Head to Head

9 decided of 12

Ati leads on 7 of the 12 questions below (Ati 7, Proto Labs 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionATIPRLBLeader
Larger companyMarket capitalisation $22.42B $2.07B ATI
Cheaper on earningsLower P/E, profitable companies only 47.1x 67.8x ATI
Cheaper on forward earningsLower price / next fiscal year consensus EPS 32.9x 37.4x ATI
Faster revenue growthRevenue growth, trailing twelve months +4.6% +10.2% PRLB
More profitableNet margin, trailing twelve months 10.1% 5.4% ATI
Better return on capitalReturn on invested capital 14.9% — –
Less leveragedLower net debt / EBITDA 1.6x — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +75.2% +54.8% ATI
Better 5-year returnAnnualised price return, 5 years +58.0%/yr +3.7%/yr ATI
Less volatileAnnualised volatility, 1 year 41.7% 46.8% ATI
Higher overall scoreMean of the five percentile scores vs peers 58/100 59/100 PRLB

Percentile Scorecard

ATIPRLB

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisATIPRLB
Valuation 14 #81 of 94 34 #135 of 203
Growth 88 #12 of 92 83 #32 of 188
Profitability 91 #9 of 89 52 #91 of 187
Financial Health 49 #50 of 97 96 #11 of 222
Shareholder Returns 48 #37 of 70 32 #104 of 153
Overall 58 59
  • ATI ranked among 99 companies in Chemicals
  • PRLB ranked among 222 companies in Machinery

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodATIPRLBSPY
1 month -14.7%-4.2% -1.0%
3 months -20.7%+9.2% +2.9%
6 months +1.7%+32.4% +6.4%
Year to date +36.7%+69.1% +11.4%
1 year +75.2%+54.8% +13.1%
3 years +329.0%+251.1% +79.4%
3 years, per year +62.5%+52.0% +21.5%
5 years +882.3%+19.7% +67.7%
5 years, per year +58.0%+3.7% +10.9%
10 years +782.8%+59.8% +255.2%
10 years, per year +24.3%+4.8% +13.5%

Risk

MeasureATIPRLBSPY
Volatility, 1Y 41.7%46.8% 12.7%
Downside volatility, 1Y 40.3%38.7% 12.7%
Beta vs S&P 500, 1Y 1.632.03 1.00
Return / volatility, 1Y 1.801.17 1.03
Max drawdown, 5Y -38.0%-71.4% -25.4%
From 52-week high -32.3%-13.3% -2.5%
52-week high $231.79$98.64 $779.14
52-week low $89.25$46.81 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleATIPRLB
P/E now vs peer median 44.9xmedian 21.5x 67.3xmedian 25.9x
P/S now vs peer median 4.5xmedian 1.4x 3.7xmedian 1.9x
EV/EBITDA now vs peer median 25.5xmedian 12.4x 27.4xmedian 13.7x
P/FCF now vs peer median 40.6xmedian 15.5x 36.1xmedian 21.1x
P/B now vs peer median 10.7xmedian 1.6x 3.0xmedian 2.3x
PEG now vs peer median 5.07median 1.70 2.10median 1.19

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsATIPRLB
Revenue $4.72B $560.54M
Gross profit $1.10B $254.60M
Operating income $716.80M $36.81M
Net income $488.90M $30.48M
Free cash flow $526.30M $56.66M
R&D – $42.36M
EPS (diluted) $3.44 $1.25
Cash & equivalents $783.00M $127.92M
Total debt $2.19B –
Shares (diluted) 138.30M 24.42M
Enterprise value $20.44B $1.54B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricATIPRLB
P/E 44.9x 67.3x
P/FCF 40.6x 36.1x
P/Operating cash flow 26.5x 26.1x
P/S 4.5x 3.7x
P/B 10.7x 3.0x
P/Tangible book 10.7x 3.0x
EV/EBITDA 25.5x 27.4x
EV/EBIT 31.8x 51.7x
EV/Revenue 4.8x 3.4x
EV/FCF 43.3x 33.6x
EV/Operating cash flow 28.3x 24.2x
PEG (3Y EPS CAGR) 5.07 2.10

Growth

14 metrics
MetricATIPRLB
Revenue growth (1Y) 4.6% 10.2%
Revenue CAGR (3Y) 4.5% 4.9%
Gross profit growth (1Y) 15.7% 13.3%
Gross profit CAGR (3Y) 12.6% 6.8%
Operating income growth (1Y) 8.8% 121.9%
Operating income CAGR (3Y) 16.4% 33.2%
Net income growth (1Y) 12.9% 105.8%
Net income CAGR (3Y) 5.8% 31.6%
EPS growth (1Y) 17.9% 103.1%
EPS CAGR (3Y) 8.9% 32.0%
Operating cash flow growth (1Y) 69.9% 10.6%
Operating cash flow CAGR (3Y) – 7.7%
Free cash flow growth (1Y) 123.6% -14.0%
Free cash flow CAGR (3Y) – 11.9%

Profitability

14 metrics
MetricATIPRLB
Gross margin 23.4% 45.4%
EBITDA margin 18.9% 12.4%
Operating margin 15.2% 6.6%
Pretax margin 12.7% 7.6%
Net margin 10.1% 5.4%
FCF margin 11.2% 10.1%
Operating cash flow margin 17.1% 14.0%
Return on equity 25.2% 4.4%
Return on assets 8.9% 3.9%
Return on invested capital 14.9% –
Return on capital employed 17.6% 5.2%
Asset turnover 0.9x 0.7x
Cash conversion (OCF / net income) 1.6x 2.6x
Stock comp / revenue 0.6% 2.6%

Financial Health

11 metrics
MetricATIPRLB
Debt / assets 38.2% –
Debt / equity 1.1x –
Net debt / EBITDA 1.6x –
Debt / FCF 4.2x –
Liabilities / assets 65.2% 12.6%
Equity / assets 34.8% 87.4%
Interest coverage – –
Current ratio 2.3x 3.6x
Quick ratio 1.1x 3.2x
Cash ratio 0.6x 2.0x
Altman Z-score 5.23 13.94

Shareholder Returns

7 metrics
MetricATIPRLB
Dividend yield – –
Net buyback yield 1.3% 0.6%
Shareholder yield 1.3% 0.6%
Payout ratio (earnings) – –
Payout ratio (FCF) – –
Dividend growth (1Y) – –
Dividend CAGR (3Y) – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusATIPRLB
Forward P/E 32.9xFY2026 37.4xFY2026
EPS, next fiscal year $4.77FY2026 $2.29FY2026
EPS growth, next FY +47.2%FY2026 +38.0%FY2026
EPS growth, the year after +23.5% +9.6%
Revenue, next fiscal year $5.24BFY2026 $612.12MFY2026
Revenue growth, next FY +14.2%FY2026 +14.8%FY2026
Revenue growth, the year after +13.1% +4.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersATIPRLB
Held by institutions 93.5% 93.7%
Institutions holding 785 276
Change in shares held, QoQ +0.9% +1.7%
Institutions buying 478 145
Institutions selling 217 89
Buyers to sellers 2.20 1.63

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

ATIPRLB
ATI 1.00 0.44
PRLB 0.44 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ATI and PRLB?

Ati (ATI) is the largest by market capitalisation: Ati (ATI) $22.42B, Proto Labs (PRLB) $2.07B.

Which stock is cheaper, ATI and PRLB?

Ati (ATI) trades on the lowest price-to-earnings ratio (Ati (ATI) 47.1x, Proto Labs (PRLB) 67.8x). On next year's consensus earnings, Ati (ATI) is cheapest (Ati (ATI) 32.9x, Proto Labs (PRLB) 37.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Proto Labs (PRLB) grew revenue fastest over the trailing twelve months: Ati (ATI) +4.6%, Proto Labs (PRLB) +10.2%.

Which company is more profitable?

Ati (ATI) has the highest net margin (Ati (ATI) 10.1%, Proto Labs (PRLB) 5.4%).

Which stock has performed better?

Over the past year Ati (ATI) returned the most: Ati (ATI) +75.2%, Proto Labs (PRLB) +54.8%. Over five years, Ati (ATI) compounded fastest (Ati (ATI) +58.0%/yr, Proto Labs (PRLB) +3.7%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ati (ATI) has been the steadiest (Ati (ATI) 41.7%, Proto Labs (PRLB) 46.8%). Volatility measures how widely the price swings, not the risk of the business.

Do ATI and PRLB move together?

Their daily returns over the past year have a correlation of 0.44, a moderate positive relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, ATI and PRLB?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Ati (ATI) leads on 7. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.