Top 10 Proto Labs Inc ORD 6.12 % ExOne Co ORD 5.70 % Renishaw PLC ORD 5.38 % Autodesk Inc ORD 5.02 % Trimble Inc ORD 4.95 % Altair Engineering Inc ORD 4.91 % Materialise NV DR 4.86 % HP Inc ORD 4.81 % Straumann Holding AG ORD 4.73 % PTC Inc ORD 4.28 % As of 6/30