William Blair Investment Management’s Gentex GNTX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-47,193	Closed	-$1.01M	–	414
2018 Q3	$1.01M	Buy	47,193 +83	+0.2%	+$1.78K	﹤0.01%	391
2018 Q2	$1.08M	Buy	+47,110	New	+$1.08M	﹤0.01%	397
2015 Q4	–	Sell	-24,266	Closed	-$376K	–	455
2015 Q3	$376K	Buy	+24,266	New	+$376K	﹤0.01%	1014