Short Interest in 3D Printing Stocks Keeps Rising as Share Prices Slide

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Short interest during the two-week period ending August 31 rose on three of four 3D printing stocks we follow. As of that date, all four stocks had seen share prices down sharply from 2017 highs.

Short interest in 3D Systems Corp. (NYSE: DDD) slipped by 2.6% to 26.94 million shares. Some 24.7% of the company’s float was short. Days to cover rose from seven to 16. In the two-week short interest period, the share price fell by about 1.7%. The stock’s 52-week range now is $12.02 to $23.70, and shares closed at $13.30 on Tuesday, up about 1.2% on the day. The share price had dropped by about 5.5% for the year to date on August 31, solidly in negative territory after reaching a peak of up nearly 75% in mid-May.

Stratasys Ltd. (NASDAQ: SSYS) saw short interest rise by 11.7% in the final two weeks of August to about 5.69 million shares, or 11.5% of the company’s float. Days to cover rose from six to 12. The share price fell by about 2.2% in the period, and the stock closed at $23.87 on Tuesday, up about 2.4% on the day. The 52-week range is $16.37 to $30.88. Shares were up about 35% for the year to date on August 31, well shy of the 85% gain posted in mid-May.

Short interest in The ExOne Co. (NASDAQ: XONE) rose by 6.4% to 2.2 million shares. About 23.5% of the company’s shares were short. The share price rose by about 2.3% in the two-week period. The stock’s 52-week trading range is $6.72 to $16.15, and shares closed at $9.34 on Tuesday, up nearly 5% for the day. Days to cover rose from eight to 11. The share price had dropped by around 13.4% for the year to date on August 31, remaining in negative territory after reaching a peak of up nearly 52% in mid-May.

Short interest in Voxeljet A.G. (NYSE: VJET) increased by 4.5% to 530,694 American depositary shares, with days to cover rising from six to 15. The share price fell by about 7.2% between the settlement dates. The stock closed at $4.31 on Tuesday, up about 3.9% for the day, in a 52-week range of $2.61 to $6.00. It was up about 35% for the year to date through August 31, well below the 92% increase posted in early June.