NYSE: PRLB
Proto Labs Inc Stock Ownership - Who owns Proto Labs?

Insider buying vs selling

Have Proto Labs Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Michael R. KenisonChief Operations Officer2026-05-126,643$70.30
$466.98kSell
Michael R. KenisonChief Operations Officer2026-05-123,576$69.78
$249.54kSell
Michael R. KenisonChief Operations Officer2026-05-124,198$68.70
$288.39kSell
Michael R. KenisonChief Operations Officer2026-05-121,613$67.58
$109.01kSell
Michael R. KenisonChief Operations Officer2026-05-124,042$59.40
$240.09kBuy
Michael R. KenisonChief Operations Officer2026-05-121,557$39.61
$61.67kBuy
Michael R. KenisonChief Operations Officer2026-05-121,928$33.84
$65.24kBuy
Michael R. KenisonChief Operations Officer2026-05-117,433$70.26
$522.25kSell
Michael R. KenisonChief Operations Officer2026-05-113,677$33.52
$123.25kBuy
Michael R. KenisonChief Operations Officer2026-05-113,756$33.84
$127.10kBuy

1 of 4

PRLB insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when PRLB insiders and whales buy or sell their stock.

PRLB Shareholders

What type of owners hold Proto Labs Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc15.21%3,619,004$260.03MInstitution
Bradley A. Cleveland11.92%2,836,897$203.83MInsider
Disciplined Growth Investors Inc11.24%2,673,729$192.11MInstitution
Vanguard Group Inc11.21%2,666,227$191.57MInstitution
Douglas A. Kingsley8.46%2,013,620$144.68MInsider
Nbge Manager LLC8.43%2,005,921$144.13MInsider
Lawrence J. Lukis7.91%1,881,840$135.21MInsider
Protomold Investment Company LLC7.27%1,730,076$124.31MInsider
Dimensional Fund Advisors LP5.37%1,276,561$91.72MInstitution
Rubric Capital Management LP4.72%1,123,338$80.71MInstitution

1 of 3

PRLB vs Metal Fabrication Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PRLB65.76%34.24%Net SellingNet Selling
RYZ53.77%46.23%Net SellingNet Selling
NWPX83.29%9.61%Net SellingNet Selling
WOR40.91%59.09%Net Selling
MEC67.58%9.52%Net SellingNet Selling

Proto Labs Stock Ownership FAQ

Who owns Proto Labs?

Proto Labs (NYSE: PRLB) is owned by 91.44% institutional shareholders, 47.61% Proto Labs insiders, and 0.00% retail investors. Bradley A. Cleveland is the largest individual Proto Labs shareholder, owning 2.84M shares representing 11.92% of the company. Bradley A. Cleveland's Proto Labs shares are currently valued at $205.87M.

If you're new to stock investing, here's how to buy Proto Labs stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.