OAM
SDPI

Oberweis Asset Management’s Superior Drilling Products Inc. SDPI Stock Holding History

Oberweis Asset Management’s Portfolio SDPI Stock Details SDPI Fund Activity
Quarter Market Value Status Shares Shares
Change % 		Trade Value Portfolio Weight Portfolio Position
2015
Q1 		– Sell
-67,000
Closed -$279K – 189
2014
Q4 		$279K Hold
67,000
– – 0.08% 106
2014
Q3 		$421K Sell
67,000
-25,400
-27% -$160K 0.12% 90
2014
Q2 		$602K Buy
+92,400
New +$602K 0.15% 102