William Blair & Company’s OSI Systems OSIS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$1.21M Buy
2025
Q2
$651K Buy
2017
Q3
Sell
2017
Q2
$2.02M Sell
2017
Q1
$3.26M Buy
2016
Q4
$3.07M Buy
2016
Q3
$2.57M Buy
2016
Q2
$2.26M Buy
2016
Q1
$1.89M Sell
2015
Q4
$2.79M Sell
2015
Q3
$2.59M Sell
2015
Q2
$13.4M Sell
2015
Q1
$14.2M Buy
2014
Q4
$12.5M Buy
2014
Q3
$11M Sell
2014
Q2
$12.1M Sell
2014
Q1
$11.3M Sell
2013
Q4
$10.2M Buy
2013
Q3
$7.67M Buy
2013
Q2
$1.77M Buy