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Proto Labs PRLB · USD

Industrials · US listing · 🇺🇸 United States

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69.09

+5.18%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.3.7m15.53%+58.9k31 Mar 2026
DISCIPLINED GROWTH INVESTORS INC /MN2.5m10.55%−176.4k31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC1.5m6.50%+1.5m31 Mar 2026
DIMENSIONAL FUND ADVISORS LP1.3m5.37%−4.2k31 Mar 2026
STATE STREET CORP1.1m4.61%+3.8k31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC1m4.39%+1m31 Mar 2026
AMERICAN CAPITAL MANAGEMENT INC627.7k2.65%−3.6k31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC580.2k2.45%+21.9k31 Mar 2026
RENAISSANCE TECHNOLOGIES LLC520.3k2.20%+26.7k31 Mar 2026
RUBRIC CAPITAL MANAGEMENT LP486.4k2.05%−636.9k31 Mar 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP463.8k1.96%+3.2k31 Mar 2026
FMR LLC422.4k1.78%+300.3k31 Mar 2026
PRUDENTIAL FINANCIAL INC400.2k1.69%+217.4k31 Mar 2026
DRIEHAUS CAPITAL MANAGEMENT LLC369.1k1.56%−13k31 Mar 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC360.2k1.52%−2.8k31 Mar 2026

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

653.2k

-11.7% on the period before. 3.2 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

44.4%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 16 Sept 202650 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.