CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 90,034 Value ($000) $21,056 Avg Close $194.00 Range $143.19 - $248.00
Q3 2025
Shares 95,401 Value ($000) $13,897 Avg Close $101.84 Range $76.89 - $146.53
Q2 2025
Shares 124,351 Value ($000) $10,113 Avg Close $71.73 Range $49.21 - $86.21
Q1 2025
Shares 137,787 Value ($000) $8,326 Avg Close $79.05 Range $58.04 - $101.44
Q4 2024
Shares 128,316 Value ($000) $10,882 Avg Close $71.76 Range $59.60 - $91.82
Q3 2024
Shares 138,436 Value ($000) $8,526 Avg Close $52.69 Range $44.89 - $63.06
Q2 2024
Shares 146,277 Value ($000) $7,048 Avg Close $47.46 Range $43.30 - $53.58
Q1 2024
Shares 134,362 Value ($000) $6,644 Avg Close $52.75 Range $44.22 - $63.24
Q4 2023
Shares 147,713 Value ($000) $6,649 Avg Close $44.09 Range $39.94 - $48.36
Q3 2023
Shares 141,016 Value ($000) $6,664 Avg Close $44.08 Range $40.10 - $50.72
Q2 2023
Shares 149,098 Value ($000) $6,335 Avg Close $45.54 Range $40.84 - $52.67
Q1 2023
Shares 153,365 Value ($000) $8,055 Avg Close $49.92 Range $45.83 - $54.25
Q4 2022
Shares 167,463 Value ($000) $8,537 Avg Close $45.21 Range $38.33 - $52.51
Q3 2022
Shares 176,997 Value ($000) $7,156 Avg Close $48.05 Range $39.44 - $56.38
Q2 2022
Shares 186,884 Value ($000) $8,541 Avg Close $51.84 Range $41.63 - $61.78
Q1 2022
Shares 159,834 Value ($000) $9,691 Avg Close $65.45 Range $53.29 - $77.38
Q4 2021
Shares 18,754 Value ($000) $1,443 Avg Close $61.70 Range $51.01 - $78.28
Q3 2021
Shares 19,324 Value ($000) $992 Avg Close $55.54 Range $50.34 - $58.85
Q2 2021
Shares 18,417 Value ($000) $1,048 Avg Close $55.12 Range $49.51 - $61.09
Q1 2021
Shares 19,387 Value ($000) $1,061 Avg Close $53.81 Range $47.52 - $57.57
Q4 2020
Shares 69,911 Value ($000) $3,695 Avg Close $44.43 Range $38.03 - $54.05
Q3 2020
Shares 162,241 Value ($000) $6,439 Avg Close $52.62 Range $38.20 - $61.52
Q2 2020
Shares 196,951 Value ($000) $10,667 Avg Close $49.71 Range $38.00 - $57.19
Q1 2020
Shares 259,111 Value ($000) $10,315 Avg Close $41.03 Range $30.58 - $44.61
Q4 2019
Shares 278,891 Value ($000) $11,906 Avg Close $38.10 Range $33.22 - $43.97
Q3 2019
Shares 352,491 Value ($000) $13,828 Avg Close $41.92 Range $37.94 - $46.78
Q2 2019
Shares 352,656 Value ($000) $14,505 Avg Close $38.48 Range $32.76 - $46.23
Q1 2019
Shares 337,250 Value ($000) $12,593 Avg Close $38.83 Range $32.85 - $45.70
Q4 2018
Shares 311,000 Value ($000) $10,546 Avg Close $31.69 Range $28.23 - $36.55
Q3 2018
Shares 322,000 Value ($000) $10,059 Avg Close $28.02 Range $25.19 - $32.33
Q2 2018
Shares 315,000 Value ($000) $8,351 Avg Close $25.40 Range $22.99 - $27.10
Q1 2018
Shares 315,000 Value ($000) $8,158 Avg Close $23.53 Range $20.71 - $27.73
Q4 2017
Shares 315,000 Value ($000) $6,593 Avg Close $21.20 Range $19.40 - $22.63
Q3 2017
Shares 292,300 Value ($000) $6,422 Avg Close $23.93 Range $20.86 - $26.92
Q2 2017
Shares 272,300 Value ($000) $6,813 Avg Close $23.96 Range $21.43 - $27.98
Q1 2017
Shares 400,040 Value ($000) $9,445 Avg Close $24.52 Range $22.73 - $26.84
Q4 2016
Shares 384,995 Value ($000) $9,398 Avg Close $21.85 Range $18.94 - $25.19
Q3 2016
Shares 320,000 Value ($000) $6,976 Avg Close $20.85 Range $17.59 - $23.60
Q2 2016
Shares 320,000 Value ($000) $6,000 Avg Close $18.11 Range $15.62 - $21.87
Q1 2016
Shares 300,000 Value ($000) $5,706 Avg Close $18.47 Range $16.32 - $21.14
Q4 2015
Shares 300,000 Value ($000) $6,207 Avg Close $22.97 Range $18.98 - $25.46
Q3 2015
Shares 280,000 Value ($000) $5,802 Avg Close $23.24 Range $17.97 - $26.50
Q2 2015
Shares 287,947 Value ($000) $6,819 Avg Close $22.84 Range $18.75 - $26.20
Q1 2015
Shares 287,947 Value ($000) $5,560 Avg Close $19.93 Range $17.86 - $21.47
Q4 2014
Shares 229,000 Value ($000) $4,445 Avg Close $16.70 Range $13.77 - $20.14
Q3 2014
Shares 280,000 Value ($000) $4,682 Avg Close $19.60 Range $16.66 - $22.46