One Big Move by Short Sellers in 3D Printing Sector

October 10, 2013 by Paul Ausick

3D DollsWe have tracked the key short interest changes as of September 30 in the following 3D printer and services companies: 3D Systems Inc. (NYSE: DDD), Stratasys Ltd. (NASDAQ: SSYS), The ExOne Co. (NASDAQ: XONE) and Proto Labs Inc. (NYSE: PRLB).

Short interest in 3D Systems fell 2.7% to 27.08 million shares. Some 28.3% of the company’s stock is short.

Short interest in Proto Labs increased by 4.7% to 3.02 million shares, or 14.9% of the company’s float.

Stratasys saw short interest drop 8.5% in the final two weeks of September to 2.77 million shares, or about 8.5% of the company’s float.

Short interest in ExOne soared by 79.7% to 3.24 million shares. About 31.8% of the company’s shares are now held short.

The short sellers piled into ExOne in the latter two weeks of the month, following the stock’s initial rating of Underperform with a price target of $48 by Credit Suisse. An IPO filing earlier in September by Germany’s Voxeljet, a direct competitor to ExOne, likely added to the increased attention from short sellers.

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