Driehaus Capital Management’s OSI Systems OSIS Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	$23.1M	Buy	+102,713	New	+$23.1M	0.18%	162
2013 Q4	–	Sell	-22,273	Closed	-$1.66M	–	503
2013 Q3	$1.66M	Sell	22,273 -11,860	-35%	-$882K	0.06%	293
2013 Q2	$2.2M	Buy	+34,133	New	+$2.2M	0.1%	250