Zweig-DiMenna Associates’s IPG Photonics IPGP Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q4	–	Sell	-1,600	Closed	-$296K	–	159
2017 Q3	$296K	Buy	+1,600	New	+$296K	0.03%	143
2015 Q4	–	Sell	-3,100	Closed	-$236K	–	274
2015 Q3	$236K	Buy	+3,100	New	+$236K	0.01%	185