Employees Retirement System of Texas’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$355K Buy
2022
Q3
Sell
2022
Q2
$2.65M Hold
2022
Q1
$3.52M Hold
2021
Q4
$4.47M Hold
2021
Q3
$2.98M Hold
2021
Q2
$3.3M Sell
2021
Q1
$4.05M Hold
2020
Q4
$3.92M Buy
2020
Q3
$2.54M Sell
2020
Q2
$3.85M Buy
2020
Q1
$2.55M Buy
2019
Q4
$2.39M Sell
2019
Q3
$2.44M Buy
2017
Q2
Sell
2017
Q1
$1.39M Hold
2016
Q4
$1.44M Buy