Skip to main content
Livermore
Livermore
ZHEN

Proto Labs Inc

PRLB
Exchange
NYSE
Industry
Fabricated Structural Metal Products
SEC CIK
0001443669

In the last 90 days, Proto Labs Inc insiders filed 0 open-market purchases and 2 sales; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.83B in total; ARK Invest is the only superinvestor holding it.

Q3 2025 vs. Q2 2025

How the institutions holding Proto Labs Inc changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of PRLB: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders202213+11
Shares21.6M21.7M+106.8K (+0.5%)
Value$866.4M$1.09B+$221.4M (+25.5%)

New holders (33)

Institutions that held Proto Labs Inc at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to PRLB in Q3 2025
InstitutionSharesValue% of portfolio
Polar Asset Management Partners Inc.128,429$6.43M0.13%
SG Capital Management LLC113,587$5.68M0.57%
Select Equity Group, L.P.52,446$2.62M0.01%
Hussman Strategic Advisors, Inc.42,000$2.10M0.46%
Essex Investment Management Co LLC20,886$1.04M0.16%
Engineers Gate Manager LP14,666$733.7K0.01%
Acadian Asset Management LLC12,717$633.0K0.00%
State of Wisconsin Investment Board9,331$466.8K0.00%
Allianz Asset Management GmbH9,115$456.0K0.00%
Two Sigma Securities, LLC8,178$409.1K0.06%
Round Rock Advisors, LLC6,610$330.7K0.05%
Dynamic Technology Lab Private Ltd6,000$300.0K0.05%
Mercer Global Advisors Inc5,826$291.5K0.00%
Diametric Capital, LP5,471$273.7K0.10%
Prelude Capital Management, LLC5,282$264.3K0.02%
ExodusPoint Capital Management, LP4,646$232.4K0.00%
Auto-Owners Insurance Co4,500$225.1K0.01%
Everence Capital Management Inc4,100$205.0K0.01%
Cornerstone Investment Partners, LLC4,043$202.3K0.01%
Jump Financial, LLC4,026$201.4K0.00%
LSV Asset Management3,400$170.0K0.00%
Leonteq Securities AG2,812$140.7K0.01%
Aquatic Capital Management LLC1,281$64.1K0.00%
Rockefeller Capital Management L.P.304$15.2K0.00%
Simplex Trading, LLC267$13.0K0.00%
Salomon & Ludwin, LLC240$11.9K0.00%
Aster Capital Management (DIFC) Ltd137$6.85K0.00%
Silver Oak Securities, Inc37$1.85K0.00%
CBIZ Investment Advisory Services, LLC35$1.75K0.00%
Stephens Consulting, LLC30$1.50K0.00%
Sunbelt Securities, Inc.6$3000.00%
Cedar Mountain Advisors, LLC4$2000.00%
Advisory Services Network, LLC3$1500.00%

Sold out (22)

Institutions that held Proto Labs Inc at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of PRLB in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Hotchkis & Wiley Capital Management LLC165,520$6.63M
Cubist Systematic Strategies, LLC68,614$2.75M
Trexquant Investment LP26,108$1.05M
Maryland State Retirement & Pension System6,986$279.7K
Tradition Wealth Management, LLC6,243$250.0K
Nomura Holdings Inc6,176$247.3K
Bank of Montreal6,162$246.7K
SEI Investments Co5,969$239.0K
Point72 (DIFC) Ltd3,139$125.7K
Point72 Asia (Singapore) Pte. Ltd.2,799$112.1K
Skopos Labs, Inc.2,624$105.1K
Quarry LP1,134$45.4K
Clear Street Markets LLC521$20.9K
CarsonAllaria Wealth Management, Ltd.276$11.1K
South State Corp.262$10.5K
Raymond James Financial Inc250$10.0K
Bryn Mawr Trust Co173$6.93K
Maseco LLP108$4.32K
Total Investment Management Inc95$3.80K
Ameritas Advisory Services, LLC75$3.00K
High Note Wealth, LLC44$1.76K
MAI Capital Management22$881