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Short Sellers Choose One 3D Printing Stock to Like

Paul Ausick

We have tracked the key short interest changes as of July 15 in the following 3D printer and services companies: 3D Systems Inc. (DDD), Stratasys Ltd. (SSYS), The ExOne Co. (XONE) and Proto Labs Inc. (PRLB).

Short interest in 3D Systems rose 0.5% to 27.04 million shares. Some 28.8% of the company’s stock is short.

Short interest in Proto Labs rose 16.8% to 3.05 million shares, or 16.8% of the company’s float.

Stratasys saw short interest rise by 4% in the first two weeks of July to 3.58 million shares, or about 13% of the company’s float.

Short interest in ExOne fell by 7.8% to 2.15 million shares. About 31.8% of the company’s shares are now held short.

Shorts continue to target Proto Labs in the 3D sector because the company is a service provider only. Because the other 3D printer makers also sell equipment as well as services, Proto Labs is seen to be at a disadvantage.

3D printer stocks are still trading near year-to-date highs, with all but Stratasys posting double-digit gains. However, because the technology is relatively new, it is difficult to tell whether stocks are at a peak and have no place to go but down, or if they are about to sprout wings and soar. It is a wait-and-see-what-happens-next game for now.