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11 /100
LOW RISK
Score updated Oct 13, 2026

PRLB — Proto Labs, Inc. Dilution Risk Tracker

Track PRLB dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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As of October 13, 2026, Proto Labs, Inc. (PRLB) has a DilutionWatch DilutionScore of 11/100, rated LOW dilution risk. Proto Labs, Inc. has a market capitalization of $2.19B, 23.92M shares outstanding, 263 institutional holders tracked.

This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.

Score Breakdown

📋 Offering Ability
19
💰Cash Runway—
📊 Float Risk
10
⚠️ Warrant Exposure
15
🔄 Convertible Debt
15

Dilution Forecast

☀️
Clear
No significant dilution signals
model est. 0%
No significant dilution signals detected for PRLB.
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Market Data

Market Cap$2.19B
Shares Outstanding23.92M
Float23.51M
Cash$142.78M
Debt$636.0K
Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

FieldCurrent ValueBasis
DilutionScore11/100DilutionWatch score record
Shares Outstanding23.92MVerified float table or market cache
Public Float23.51MVerified float table or market cache
Market Cap$2.19BMarket data cache
Cash RunwayNot applicable / unavailableDilutionWatch score inputs
Shelf CapacityNone in current score inputsSEC-derived dilution fields
ATM CapacityNone in current score inputsSEC-derived dilution fields
Outstanding WarrantsNone in current score inputsSEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 0.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 12.6% shares (2026Q1 vs prior)
263 institutional holders · 25.03M shares
#1 BlackRock, Inc. 3.68M shares
#2 DISCIPLINED GROWTH INVESTORS INC /MN 2.50M shares
#3 VANGUARD CAPITAL MANAGEMENT LLC 2.08M shares
+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest739.8K
Days to Cover2.5
% of Float3.1%
FINRA data as of Sep 30, 2026

Recent SEC Activity

No recent SEC insights

Recent News

No recent news available for this ticker.

DilutionScore History — Last 90 Days

PRLB's DilutionScore is currently 11/100 (Low risk), with 2 score changes tracked over 89 days. The score deteriorated from 23/100 (Low risk).

Period Score Risk Level Duration
Oct 10 – Oct 13, 202611/100LOW4 days
Aug 14 – Oct 09, 202623/100LOW56 days
Jul 16 – Aug 13, 202619/100LOW29 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

PRLB shares outstanding have increased 0.0% from 23.79M (May 2026) to 23.79M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 17, 202623.79M23.51M▼ 0.02%
May 05, 202623.79M23.51M▼ 0.17%
May 04, 202623.79M23.55M▲ 0.25%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

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