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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 2023 vs. Q2 2023

How the institutions holding Proto Labs Inc changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of PRLB: Q2 2023 compared with Q3 2023
MeasureQ2 2023Of which not filed for Q3 2023Q3 2023Change
Holders1932185−6
Shares22.2M36.7K21.6M−503.9K (−2.3%)
Value$775.6M$1.28M$571.4M−$202.9M (−26.2%)

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (20)

Institutions that held Proto Labs Inc at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to PRLB in Q3 2023
InstitutionSharesValue% of portfolio
Brandywine Global Investment Management, LLC79,174$2.09M0.02%
Trexquant Investment LP46,482$1.23M0.03%
Gsa Capital Partners LLP42,820$1.13M0.10%
Quadrature Capital Ltd25,052$661.7K0.01%
Caxton Associates LP22,220$586.6K0.08%
QRG Capital Management, Inc.21,863$577.2K0.01%
Captrust Financial Advisors18,992$501.4K0.00%
Occudo Quantitative Strategies LP18,614$491.4K0.06%
Illinois Municipal Retirement Fund15,855$419.0K0.01%
Balyasny Asset Management LLC14,311$377.8K0.00%
Campbell & CO Investment Adviser LLC13,651$360.4K0.04%
Comerica Bank12,611$332.9K0.00%
Monticello Wealth Management, LLC9,904$261.5K0.03%
Aigen Investment Management, LP9,287$245.2K0.05%
Bank of Montreal8,397$228.2K0.00%
Counterpoint Mutual Funds LLC8,478$223.8K0.19%
Verition Fund Management LLC8,418$222.2K0.00%
Householder Group Estate & Retirement Specialist, LLC3,984$105.2K0.04%
ORG Partners LLC18$4750.00%
Steward Financial Group LLC1$00.00%

Sold out (26)

Institutions that held Proto Labs Inc at the end of Q2 2023 and filed for Q3 2023 without it.

Not filed for Q3 2023 yet (2)

Institutions that held Proto Labs Inc at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PRLB in Q2 2023 that haven't filed for Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
EA Series Trust36,727$1.28M
Piershale Financial Group, Inc.17$594