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Proto Labs Ownership | Who Owns Proto Labs?

OverviewForecastRevenueFinancialsChartTranscripts

Proto Labs Ownership Summary

Proto Labs is owned by 47.51% institutional investors, 1.36% insiders, and 51.13% retail investors. Blackrock is the largest institutional shareholder, holding 16.87% of PRLB shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.92% of its assets in Proto Labs shares.

PRLB Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockProto Labs47.51%1.36%51.13%
SectorIndustrials Stocks 46.77%12.62%40.60%
Idea3D Printing Stocks List34.63%6.57%58.81%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock4.32M16.87%$133.53M
Blackrock funding, inc. /de3.62M15.08%$181.19M
Vanguard group2.74M11.43%$137.33M
Disciplined growth investors inc /mn2.59M10.79%$129.70M
Dimensional fund advisors lp1.31M5.44%$65.36M
State street1.18M4.89%$58.80M
Rubric capital management lp1.12M4.68%$56.20M
Geode capital management567.04K2.36%$28.37M
Renaissance543.65K2.26%$27.20M
D. e. shaw500.70K2.00%$19.57M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
S squared311.10K5.92%$15.56M
Disciplined growth investors inc /mn2.59M2.35%$129.70M
Gagnon securities108.75K1.09%$5.44M
Rubric capital management lp1.12M0.63%$56.20M
Aimz investment advisors40.03K0.63%$2.00M
American capital management279.30K0.56%$13.97M
Sg capital management113.59K0.51%$5.68M
Hussman strategic advisors42.00K0.46%$2.10M
Rice hall james & associates121.98K0.33%$6.10M
Hillsdale investment management169.58K0.26%$8.48M

Top Buyers

HolderShares% AssetsChange
American capital management279.30K0.56%225.27K
Nuveen329.99K0.00%148.17K
Polar asset management partners128.43K0.07%128.43K
Sg capital management113.59K0.51%113.59K
Rubric capital management lp1.12M0.63%89.17K

Top Sellers

HolderShares% AssetsChange
Wellington management group llp---711.74K
Hotchkis & wiley capital management---165.52K
Meros investment management, lp---144.54K
Disciplined growth investors inc /mn2.59M2.35%-129.64K
Morgan stanley306.00K0.00%-107.10K

New Positions

HolderShares% AssetsChangeValue
Polar asset management partners128.43K0.07%128.43K$6.43M
Sg capital management113.59K0.51%113.59K$5.68M
Select equity group52.45K0.01%52.45K$2.62M
Norges bank49.80K0.00%49.80K$1.95M
Hussman strategic advisors42.00K0.46%42.00K$2.10M

Sold Out

HolderChange
Ancora advisors-5.00
Ifp advisors-5.00
Harbour investments-5.00
Mendota financial group-5.00
Larson financial group-6.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 2025113-41.75%11,411,341-44.28%470.65%46-51.58%41-41.43%
Jun 30, 20251991.02%21,605,085-1.00%891.10%949.30%745.71%
Mar 31, 20257-96.62%314,698-98.53%10.02%4-95.65%2-97.18%
Dec 31, 2024107-46.77%11,228,972-48.03%440.60%43-51.14%40-46.67%
Sep 30, 2024200-4.76%21,604,9200.64%861.23%87-10.31%752.74%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
iShares Core S&P Small-Cap ETF1.41M5.92%-
Vanguard US Total Market Shares ETF811.88K3.35%-
Vanguard Total Stock Mkt Idx Inv781.78K3.27%-17.33K
Disciplined Growth - Mid Cap Growth719.85K2.94%69.47K
iShares Russell 2000 ETF577.05K2.42%-
Vanguard Small Cap Index576.73K2.42%-3.93K
Pacer US Small Cap Cash Cows 100 ETF551.39K2.25%-1.87K
First Trust RBA Amer Indl RenaisTM ETF538.28K2.22%-
Vanguard Small Cap Value Index Inv371.43K1.56%797.00
DFA US Small Cap Value I283.14K1.19%-

Recent Insider Transactions

DateNameRoleActivityValue
Nov 25, 2025Kenison Michael R. Chief Operations OfficerSell$152.93K
Aug 05, 2025Gawlick Rainer-Buy$75.10K
Aug 04, 2025Krishna Suresh President and CEOBuy$75.05K
Sep 06, 2024Bodor Robert President and CEOBuy$99.80K
Dec 03, 2021Bodor Robert President and CEOBuy$150.22K

Insider Transactions Trends

DateBuySell
2025 Q4-1
2025 Q32-
2025 Q2--
2025 Q1--
2024 Q31-

PRLB Ownership FAQ

Who owns the most shares of Proto Labs?

Proto Labs’s largest shareholders are Blackrock (4.32M shares, 16.87%), Blackrock funding, inc. /de (3.62M shares, 15.08%), and Vanguard group (2.74M shares, 11.43%). Together, they hold 43.38% of Proto Labs’s total shares outstanding.

Does Blackrock own Proto Labs?

Yes, BlackRock owns 16.87% of Proto Labs, totaling 4.32M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 133.53M$. In the last quarter, BlackRock decreased its holdings by -96.148K shares, a -2.18% change.

Who is Proto Labs’s biggest shareholder by percentage of total assets invested?

S squared is Proto Labs’s biggest shareholder by percentage of total assets invested, with 5.92% of its assets in 311.1K Proto Labs shares, valued at 15.56M$.

Who is the top mutual fund holder of Proto Labs shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Proto Labs shares, with 5.92% of its total shares outstanding invested in 1.41M Proto Labs shares.

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