InvestorLens

PRLB — PROTO LABS INC

Public company

Sign in to save5 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About PROTO LABS INC (PRLB)

PROTO LABS INC (PRLB) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $5M. Across recent filings, tracked investors recorded 2 new positions, 0 increased, 2 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in PRLB

50
/100
Mixed Activity
Added / Increased2
Reduced2
Exited0
BearishBullish
Crowded Trade Score™

How many top investors track PRLB

33
/100
Emerging Interest
5investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

PRLB Ownership Composition

How PROTO LABS INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
53% of tracked value
Institutions
5
tracked investors
Total Reported
$9.5M
combined 13F value
Sectors3
  • Other53.0%
  • Growth Funds27.5%
  • Hedge Funds19.5%
Other(3)
53.0%
Growth Funds(1)
27.5%
Hedge Funds(1)
19.5%

Tracked investors reporting PRLB

  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    25.8K
    Value
    $1.5M
    % Portfolio
    0.00%
  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    54.6K
    Value
    $3.1M
    % Portfolio
    0.00%
  • Cathie WoodMar 31, 2026
    ARK Investment Management
    Shares
    45.7K
    Value
    $2.6M
    % Portfolio
    0.02%
  • Steve CohenMar 31, 2026
    Point72 Asset Management
    Shares
    32.4K
    Value
    $1.8M
    % Portfolio
    0.00%
  • Ray DalioMar 31, 2026
    Bridgewater Associates
    Shares
    7.7K
    Value
    $438.5K
    % Portfolio
    0.00%

Recent activity

Frequently asked questions

How many institutional investors hold PRLB?
5 tracked institutional investors disclosed a position in PRLB (PROTO LABS INC) in their most recent 13F filing.
Who is the largest institutional holder of PRLB?
Izzy Englander, Millennium Management, holds the largest disclosed position in PRLB, valued at $5M.
Did institutional ownership of PRLB increase or decrease?
Across recent 13F filings, tracked investors recorded 2 new positions, 0 increased, 2 reduced, and 0 fully exited PRLB.
Where does this PRLB ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
PRLB (PROTO LABS INC) — Institutional Holders & 13F History — InvestorLens