CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 1,516 Value ($000) $0 Avg Close $194.00 Range $143.19 - $248.00
Q2 2022
Shares 58,073 Value ($000) $2,654 Avg Close $51.84 Range $41.63 - $61.78
Q1 2022
Shares 58,073 Value ($000) $3,521 Avg Close $65.45 Range $53.29 - $77.38
Q4 2021
Shares 58,073 Value ($000) $4,470 Avg Close $61.70 Range $51.01 - $78.28
Q3 2021
Shares 58,073 Value ($000) $2,982 Avg Close $55.54 Range $50.34 - $58.85
Q2 2021
Shares 58,073 Value ($000) $3,304 Avg Close $55.12 Range $49.51 - $61.09
Q1 2021
Shares 74,073 Value ($000) $4,053 Avg Close $53.81 Range $47.52 - $57.57
Q4 2020
Shares 74,073 Value ($000) $3,915 Avg Close $44.43 Range $38.03 - $54.05
Q3 2020
Shares 64,073 Value ($000) $2,543 Avg Close $52.62 Range $38.20 - $61.52
Q2 2020
Shares 71,073 Value ($000) $3,849 Avg Close $49.71 Range $38.00 - $57.19
Q1 2020
Shares 64,073 Value ($000) $2,551 Avg Close $41.03 Range $30.58 - $44.61
Q4 2019
Shares 56,073 Value ($000) $2,394 Avg Close $38.10 Range $33.22 - $43.97
Q3 2019
Shares 62,073 Value ($000) $2,435 Avg Close $41.92 Range $37.94 - $46.78
Q1 2017
Shares 59,000 Value ($000) $1,393 Avg Close $24.52 Range $22.73 - $26.84
Q4 2016
Shares 59,000 Value ($000) $1,440 Avg Close $21.85 Range $18.94 - $25.19