Renaissance Technologies’s A T M I INC ATMI Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2014 Q2	–	Sell	-502,492	Closed	-$17.1M	–	3186
2014 Q1	$17.1M	Buy	+502,492	New	+$17.1M	0.04%	563
2013 Q4	–	Sell	-21,785	Closed	-$578K	–	3190
2013 Q3	$578K	Buy	+21,785	New	+$578K	﹤0.01%	2255