PRLB vs STKH vs ATI Stock Comparison

Proto Labs, Steakholder Foods and Ati Prices as of Oct 28, 2026 Peers: Industry group
PRLB Proto Labs Inc
$91.00 -6.1% 1M +70.1% 1Y
Market cap
$2.18B
P/E
71.6x
Revenue (TTM)
$560.54M
Div. yield
–
3D Printing Industrials
3 wins
ATI Ati Inc
$165.17 -8.6% 1M +67.6% 1Y
Market cap
$22.49B
P/E
47.3x
Revenue (TTM)
$4.72B
Div. yield
–
Specialty Chemicals Basic Materials
6 wins

Head to Head

9 decided of 12

Ati leads on 6 of the 12 questions below (Ati 6, Proto Labs 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionPRLBSTKHATILeader
Larger companyMarket capitalisation $2.18B $47.13K $22.49B ATI
Cheaper on earningsLower P/E, profitable companies only 71.6x — 47.3x ATI
Cheaper on forward earningsLower price / next fiscal year consensus EPS 39.7x — 34.6x ATI
Faster revenue growthRevenue growth, trailing twelve months +10.2% — +4.6% PRLB
More profitableNet margin, trailing twelve months 5.4% — 10.1% ATI
Better return on capitalReturn on invested capital — — 14.9% –
Less leveragedLower net debt / EBITDA — — 1.6x –
Higher dividend yieldTrailing dividend yield — — 0.00% –
Better 1-year returnPrice return, last 12 months +70.1% -89.5% +67.6% PRLB
Better 5-year returnAnnualised price return, 5 years +8.8%/yr -83.4%/yr +59.4%/yr ATI
Less volatileAnnualised volatility, 1 year 46.9% 225.6% 41.3% ATI
Higher overall scoreMean of the five percentile scores vs peers 60/100 — 59/100 PRLB

Percentile Scorecard

PRLBSTKHATI

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

AxisPRLBSTKHATI
Valuation 32 #138 of 203 – 16 #79 of 94
Growth 83 #32 of 188 – 89 #11 of 91
Profitability 49 #94 of 184 – 92 #8 of 84
Financial Health 95 #11 of 217 75 #55 of 217 50 #48 of 94
Shareholder Returns 38 #96 of 153 – 50 #35 of 69
Overall 60 – 59
  • PRLB ranked among 222 companies in Machinery
  • STKH ranked among 222 companies in Machinery
  • ATI ranked among 99 companies in Chemicals

Price Performance

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

Returns

PeriodPRLBSTKHATISPY
1 month -6.1%-76.7%-8.6% +0.9%
3 months +27.6%-86.0%-7.2% +5.9%
6 months +46.2%-79.5%+13.0% +8.5%
Year to date +79.9%-83.5%+43.9% +13.3%
1 year +70.1%-89.5%+67.6% +12.4%
3 years +290.9%-99.9%+339.4% +88.1%
3 years, per year +57.6%-88.9%+63.8% +23.5%
5 years +52.1%-100.0%+925.9% +68.2%
5 years, per year +8.8%-83.4%+59.4% +11.0%
10 years +104.7%—+1,113.6% +263.4%
10 years, per year +7.4%—+28.4% +13.8%

Risk

MeasurePRLBSTKHATISPY
Volatility, 1Y 46.9%225.6%41.3% 12.7%
Downside volatility, 1Y 39.1%172.3%40.3% 12.7%
Beta vs S&P 500, 1Y 2.081.641.64 1.00
Return / volatility, 1Y 1.50-0.401.64 0.98
Max drawdown, 5Y -65.6%-100.0%-38.0% -25.4%
From 52-week high -7.7%-91.2%-28.7% -0.9%
52-week high $98.64$4.30$231.79 $779.14
52-week low $46.81$0.38$94.80 $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.

MultiplePRLBSTKHATI
P/E now vs peer median 71.6xmedian 25.4x —median 25.4x 47.3xmedian 22.0x
P/S now vs peer median 3.9xmedian 1.9x —median 1.9x 4.8xmedian 1.4x
EV/EBITDA now vs peer median 29.3xmedian 14.3x —median 14.3x 26.8xmedian 12.4x
P/FCF now vs peer median 38.4xmedian 21.8x —median 21.8x 42.7xmedian 15.5x
P/B now vs peer median 3.1xmedian 2.2x 0.0xmedian 2.2x 11.3xmedian 1.7x
PEG now vs peer median 2.24median 1.41 —median 1.41 5.34median 1.84

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 monthsPRLBSTKHATI
Revenue $560.54M – $4.72B
Gross profit $254.60M – $1.10B
Operating income $36.81M – $716.80M
Net income $30.48M – $488.90M
Free cash flow $56.66M – $526.30M
R&D $42.36M – –
EPS (diluted) $1.25 – $3.44
Cash & equivalents $127.92M $1.06M $783.00M
Total debt – – $2.19B
Shares (diluted) 24.42M 124.02K 138.30M
Enterprise value $1.65B -$6.85M $20.64B

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
MetricPRLBSTKHATI
P/E 71.6x – 47.3x
P/FCF 38.4x – 42.7x
P/Operating cash flow 27.7x – 27.9x
P/S 3.9x – 4.8x
P/B 3.1x 0.0x 11.3x
P/Tangible book 3.2x 0.0x 11.3x
EV/EBITDA 29.3x – 26.8x
EV/EBIT 55.3x – 33.3x
EV/Revenue 3.6x – 5.1x
EV/FCF 35.9x – 45.4x
EV/Operating cash flow 25.9x – 29.7x
PEG (3Y EPS CAGR) 2.24 – 5.34

Growth

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

Profitability

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

Financial Health

11 metrics
MetricPRLBSTKHATI
Debt / assets – – 38.2%
Debt / equity – – 1.1x
Net debt / EBITDA – – 1.6x
Debt / FCF – – 4.2x
Liabilities / assets 12.6% 27.9% 65.2%
Equity / assets 87.4% 72.1% 34.8%
Interest coverage – – –
Current ratio 3.6x 1.8x 2.3x
Quick ratio 3.2x 1.2x 1.1x
Cash ratio 2.0x 1.2x 0.6x
Altman Z-score 14.72 – 5.41

Shareholder Returns

7 metrics
MetricPRLBSTKHATI
Dividend yield – – –
Net buyback yield 0.6% – 1.2%
Shareholder yield 0.6% – 1.2%
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.

ConsensusPRLBSTKHATI
Forward P/E 39.7xFY2026 – 34.6xFY2026
EPS, next fiscal year $2.29FY2026 $-550.39FY2026 $4.78FY2026
EPS growth, next FY +38.0%FY2026 – +47.5%FY2026
EPS growth, the year after +10.0% – +23.4%
Revenue, next fiscal year $612.40MFY2026 $57.45MFY2025 $5.24BFY2026
Revenue growth, next FY +14.9%FY2026 +574,390.0%FY2025 +14.2%FY2026
Revenue growth, the year after +4.8% -42.2% +13.3%

Institutional Ownership

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

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.

PRLBSTKHATI
PRLB 1.00 -0.01 0.46
STKH -0.01 1.00 -0.05
ATI 0.46 -0.05 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, PRLB, STKH and ATI?

Ati (ATI) is the largest by market capitalisation: Proto Labs (PRLB) $2.18B, Steakholder Foods (STKH) $47.13K, Ati (ATI) $22.49B.

Which stock is cheaper, PRLB, STKH and ATI?

Ati (ATI) trades on the lowest price-to-earnings ratio (Proto Labs (PRLB) 71.6x, Ati (ATI) 47.3x). On next year's consensus earnings, Ati (ATI) is cheapest (Proto Labs (PRLB) 39.7x, Ati (ATI) 34.6x). 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: Proto Labs (PRLB) +10.2%, Ati (ATI) +4.6%.

Which company is more profitable?

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

Which stock has performed better?

Over the past year Proto Labs (PRLB) returned the most: Proto Labs (PRLB) +70.1%, Steakholder Foods (STKH) -89.5%, Ati (ATI) +67.6%. Over five years, Ati (ATI) compounded fastest (Proto Labs (PRLB) +8.8%/yr, Steakholder Foods (STKH) -83.4%/yr, Ati (ATI) +59.4%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ati (ATI) has been the steadiest (Proto Labs (PRLB) 46.9%, Steakholder Foods (STKH) 225.6%, Ati (ATI) 41.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, PRLB, STKH and ATI?

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 6. 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.