William Blair Investment Management’s TransDigm Group TDG Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2018
Q4
Sell
2018
Q3
$38.9M Sell
2018
Q2
$37.1M Sell
2018
Q1
$34M Sell
2017
Q4
$34.5M Sell
2017
Q3
$44.3M Sell
2017
Q2
$63.1M Sell
2017
Q1
$53.9M Sell
2016
Q4
$272M Sell
2016
Q3
$334M Buy
2016
Q2
$303M Buy
2016
Q1
$242M Buy
2015
Q4
$234M Buy
2015
Q3
$191M Buy