CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025
Shares 18,573 Value ($000) $4,344 Avg Close $194.00 Range $143.19 - $248.00
Q3 2025
Shares 18,510 Value ($000) $2,696 Avg Close $101.84 Range $76.89 - $146.53
Q2 2025
Shares 22,020 Value ($000) $1,791 Avg Close $71.73 Range $49.21 - $86.21
Q1 2025
Shares 22,020 Value ($000) $1,331 Avg Close $79.05 Range $58.04 - $101.44
Q4 2024
Shares 22,270 Value ($000) $1,889 Avg Close $71.76 Range $59.60 - $91.82
Q3 2024
Shares 22,273 Value ($000) $1,372 Avg Close $52.69 Range $44.89 - $63.06
Q2 2024
Shares 22,270 Value ($000) $1,073 Avg Close $47.46 Range $43.30 - $53.58
Q1 2024
Shares 22,776 Value ($000) $1,126 Avg Close $52.75 Range $44.22 - $63.24
Q4 2023
Shares 23,813 Value ($000) $1,072 Avg Close $44.09 Range $39.94 - $48.36
Q3 2023
Shares 23,813 Value ($000) $1,125 Avg Close $44.08 Range $40.10 - $50.72
Q2 2023
Shares 23,813 Value ($000) $1,012 Avg Close $45.54 Range $40.84 - $52.67
Q1 2023
Shares 23,817 Value ($000) $1,251 Avg Close $49.92 Range $45.83 - $54.25
Q4 2022
Shares 24,025 Value ($000) $1,225 Avg Close $45.21 Range $38.33 - $52.51
Q3 2022
Shares 24,030 Value ($000) $972 Avg Close $48.05 Range $39.44 - $56.38
Q2 2022
Shares 26,833 Value ($000) $1,226 Avg Close $51.84 Range $41.63 - $61.78
Q1 2022
Shares 26,201 Value ($000) $1,589 Avg Close $65.45 Range $53.29 - $77.38
Q4 2021
Shares 26,225 Value ($000) $2,019 Avg Close $61.70 Range $51.01 - $78.28
Q3 2021
Shares 26,458 Value ($000) $1,359 Avg Close $55.54 Range $50.34 - $58.85
Q2 2021
Shares 26,625 Value ($000) $1,515 Avg Close $55.12 Range $49.51 - $61.09
Q1 2021
Shares 26,747 Value ($000) $1,464 Avg Close $53.81 Range $47.52 - $57.57
Q4 2020
Shares 26,890 Value ($000) $1,421 Avg Close $44.43 Range $38.03 - $54.05
Q3 2020
Shares 28,347 Value ($000) $1,125 Avg Close $52.62 Range $38.20 - $61.52
Q2 2020
Shares 27,115 Value ($000) $1,469 Avg Close $49.71 Range $38.00 - $57.19
Q1 2020
Shares 10,825 Value ($000) $431 Avg Close $41.03 Range $30.58 - $44.61
Q4 2019
Shares 10,825 Value ($000) $462 Avg Close $38.10 Range $33.22 - $43.97
Q3 2019
Shares 9,300 Value ($000) $365 Avg Close $41.92 Range $37.94 - $46.78
Q2 2019
Shares 9,300 Value ($000) $383 Avg Close $38.48 Range $32.76 - $46.23
Q1 2019
Shares 9,300 Value ($000) $347 Avg Close $38.83 Range $32.85 - $45.70
Q4 2018
Shares 9,300 Value ($000) $315 Avg Close $31.69 Range $28.23 - $36.55
Q3 2018
Shares 9,800 Value ($000) $306 Avg Close $28.02 Range $25.19 - $32.33
Q2 2018
Shares 9,336 Value ($000) $247 Avg Close $25.40 Range $22.99 - $27.10
Q1 2018
Shares 9,336 Value ($000) $242 Avg Close $23.53 Range $20.71 - $27.73
Q3 2017
Shares 9,634 Value ($000) $212 Avg Close $23.93 Range $20.86 - $26.92
Q2 2017
Shares 9,561 Value ($000) $239 Avg Close $23.96 Range $21.43 - $27.98
Q1 2017
Shares 31,436 Value ($000) $824 Avg Close $24.52 Range $22.73 - $26.84
Q4 2016
Shares 23,991 Value ($000) $586 Avg Close $21.85 Range $18.94 - $25.19
Q3 2016
Shares 9,300 Value ($000) $203 Avg Close $20.85 Range $17.59 - $23.60
Q2 2016
Shares 14,300 Value ($000) $268 Avg Close $18.11 Range $15.62 - $21.87
Q1 2016
Shares 13,560 Value ($000) $258 Avg Close $18.47 Range $16.32 - $21.14
Q4 2015
Shares 19,560 Value ($000) $404 Avg Close $22.97 Range $18.98 - $25.46
Q3 2015
Shares 23,028 Value ($000) $477 Avg Close $23.24 Range $17.97 - $26.50
Q2 2015
Shares 29,461 Value ($000) $697 Avg Close $22.84 Range $18.75 - $26.20
Q1 2015
Shares 20,209 Value ($000) $390 Avg Close $19.93 Range $17.86 - $21.47
Q4 2014
Shares 33,009 Value ($000) $640 Avg Close $16.70 Range $13.77 - $20.14
Q3 2014
Shares 32,834 Value ($000) $548 Avg Close $19.60 Range $16.66 - $22.46
Q2 2014
Shares 31,557 Value ($000) $683 Avg Close $20.54 Range $18.00 - $24.21
Q1 2014
Shares 32,257 Value ($000) $734 Avg Close $23.52 Range $21.41 - $27.16
Q4 2013
Shares 28,657 Value ($000) $685 Avg Close $23.81 Range $20.93 - $27.94