Proto Labs, Inc.

PRLB · Industrials · $1.8B mkt cap · FY2025 filings · Narrow moat

On the watchlist

Narrow moat

The four filters

Pricing power73

Median gross margin 47.9% over 10y, stable.

Returns on capital26

Median ROIC 6.9%, above the 9% hurdle in 50% of years.

Balance-sheet safety100

Net cash position — no leverage risk.

Capital discipline55

Owner earnings -0.7%/yr, share count shrinking (buybacks).

Margin of safety

Above valueOn sale

303% above value

Owner earnings (normalized): $39.7M
Est. intrinsic value / share: $19.41
Recent price: $78.20
Discount to value: 303% above value

Conservative model: 9% discount rate, 0% assumed growth (capped at 4%), maintenance capex ≈ min(capex, D&A).

Moat Score history

Score history begins 2026-07-17. Check back as the record builds.

Scores are logged append-only and never overwritten — this record can't be backfilled, which is exactly why it's worth keeping.

Embed this score on your site

One iframe, no script. The badge shows PRLB’s live Moat Score, updates itself as new filings are scored, and links back here. How it works.

<iframe
  src="https://buylikebuffett.com/embed/PRLB"
  width="340" height="150" style="border:0"
  title="PRLB Moat Score — The Moat Index"
  loading="lazy"></iframe>

Scored from primary SEC filings via the public methodology. Educational only — not a recommendation to buy or sell PRLB. See the disclaimer.