3-D SYS CORP DEL

Ticker: DDD CUSIP: 88554D205 Class: Stock

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

Note: Option positions (PUT/CALL) are excluded.

Q4 2015
Shares 589,826 Value ($000) $5,126 Avg Close $10.32 Range $8.44 - $13.93