Marshall Wace North America’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2021
Q3
$1.34M Buy
2020
Q3
Sell
2020
Q2
$828K Sell
2020
Q1
$7.73M Buy
2019
Q4
$3.78M Sell
2019
Q3
$4.85M Buy
2019
Q2
$1.89M Buy
2019
Q1
Sell
2018
Q4
$4.86M Buy
2017
Q4
Sell
2017
Q3
$335K Sell
2017
Q2
$2.68M Buy