Driehaus Capital Management’s Ionis Pharmaceuticals IONS Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-180,002	Closed	-$6.29M	–	432
2024 Q4	$6.29M	Sell	180,002 -49,967	-22%	-$1.75M	0.05%	281
2024 Q3	$9.21M	Buy	+229,969	New	+$9.21M	0.08%	237
2014 Q3	–	Sell	-13,069	Closed	-$450K	–	566
2014 Q2	$450K	Buy	+13,069	New	+$450K	0.01%	495