Renaissance Technologies’s AMCOL INTL CORP ACO Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2014 Q2	–	Sell	-416,284	Closed	-$19.1M	–	3183
2014 Q1	$19.1M	Buy	+416,284	New	+$19.1M	0.05%	506
2013 Q4	–	Sell	-48,600	Closed	-$1.59M	–	3188
2013 Q3	$1.59M	Sell	48,600 -10,500	-18%	-$343K	﹤0.01%	1785
2013 Q2	$1.87M	Buy	+59,100	New	+$1.87M	﹤0.01%	1621