Short Interest Changes Mixed in 3D Printing Sector

Short interest in 3D Systems Corp. (NYSE: DDD) rose 2.1% to 30.07 million shares. Some 30.8% of the company’s stock is short. Days to cover is 6. In the two-week short interest period to April 30th, the share price rose fractionally but is down nearly 50% for the year to date as of Friday’s close. The stock’s 52-week range is $41.05 to $97.28, and shares closed at $47.64 on Friday.

Short interest in Proto Labs Inc. (NYSE: PRLB) decreased by 10.6% to 2.39 million shares, or 10.6% of the company’s float. Days to cover is 5. Shares were down about 12% in the two-week period and closed Friday night at $63.77, down 10.4% year-to-date. The stock’s 52-week range is $51.19 to $89.97.

Stratasys Ltd. (NASDAQ: SSYS) saw short interest rise 8.8% in the last two weeks of April to 3.79 million shares, or about 9% of the company’s float. Days to cover is 3. Shares lost about 1% in the two-week period and have since slipped another 9%, closing down about 4.7% Friday night at $89.9. They’ve dropped more than 33% this year. The stock’s 52-week range is $74.54 to $138.10.

Short interest in The ExOne Co. (NASDAQ: XONE) rose just 0.2% to 3.54 million shares. About 33.9% of the company’s shares are now held short. Shares of ExOne rose 35% in the two-week period and closed at $47.64 Friday , down nearly 47% year to date. The stock’s 52-week range is $24.34 to $78.80 and days to cover is 9. ExOne reports first quarter earnings on Wednesday and is expected to post a loss of $0.12 a share on revenue of $9.87 million.

Voxeljet AG (NYSE: VJET) saw short interest fall 44.2% to 1.42 million shares, with a days to cover number of 3. Since coming public at $19 in mid-October the share price is down about 53%. Year-to-date shares are down nearly 66%, but rose more than 6% in the two week period to April 30th. The stock closed at $13.60 on Friday in a post-IPO range of $13.37 to $70.00. The 52-week low was posted on Friday.