Robeco Institutional Asset Management’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$216K Sell
2025
Q2
$3.44M Hold
2025
Q1
$2.56M Hold
2024
Q4
$3.59M Hold
2024
Q3
$2.61M Hold
2024
Q2
$2.04M Buy
2020
Q4
Sell
2020
Q3
$7.67M Buy
2020
Q2
$9.62M Sell
2020
Q1
$10.3M Hold
2019
Q4
$11M Sell
2019
Q3
$13.5M Sell
2019
Q2
$15.1M Sell
2019
Q1
$13.8M Buy