Driehaus Capital Management’s PTC Therapeutics PTCT Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	$51.7M	Sell	1,059,026 -453,619	-30%	-$22.2M	0.41%	75
2025 Q1	$77.1M	Buy	1,512,645 +471,586	+45%	+$24M	0.74%	33
2024 Q4	$47M	Buy	+1,041,059	New	+$47M	0.39%	92
2015 Q2	–	Sell	-12,329	Closed	-$750K	–	550
2015 Q1	$750K	Buy	+12,329	New	+$750K	0.03%	428