Yorktown Management & Research Company’s 3D Systems Corporation DDD Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2014 Q1	–	Sell	-3,600	Closed	-$335K	–	457
2013 Q4	$335K	Buy	+3,600	New	+$335K	0.07%	148