CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

NORGES BANK's Holding History (CIK: 0001374170)

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

Q4 2025
Shares 811,950 Value ($000) $189,891 Avg Close $194.00 Range $143.19 - $248.00
Q2 2025
Shares 78,190 Value ($000) $6,359 Avg Close $71.73 Range $49.21 - $86.21
Q4 2024
Shares 86,734 Value ($000) $7,356 Avg Close $71.76 Range $59.60 - $91.82
Q3 2024
Shares 71,977 Value ($000) $4,433 Avg Close $52.69 Range $44.89 - $63.06
Q2 2024
Shares 41,077 Value ($000) $1,979 Avg Close $47.46 Range $43.30 - $53.58
Q4 2023
Shares 1,632,436 Value ($000) $73,476 Avg Close $44.09 Range $39.94 - $48.36
Q3 2023
Shares 1,578,555 Value ($000) $74,603 Avg Close $44.08 Range $40.10 - $50.72
Q2 2023
Shares 1,555,376 Value ($000) $66,088 Avg Close $45.54 Range $40.84 - $52.67
Q1 2023
Shares 1,518,547 Value ($000) $79,754 Avg Close $49.92 Range $45.83 - $54.25
Q4 2022
Shares 1,313,105 Value ($000) $66,942 Avg Close $45.21 Range $38.33 - $52.51
Q3 2022
Shares 1,331,510 Value ($000) $53,833 Avg Close $48.05 Range $39.44 - $56.38
Q2 2022
Shares 1,457,628 Value ($000) $66,614 Avg Close $51.84 Range $41.63 - $61.78
Q1 2022
Shares 1,406,976 Value ($000) $85,305 Avg Close $65.45 Range $53.29 - $77.38
Q4 2021
Shares 1,425,552 Value ($000) $109,725 Avg Close $61.70 Range $51.01 - $78.28
Q3 2021
Shares 1,420,251 Value ($000) $72,930 Avg Close $55.54 Range $50.34 - $58.85
Q2 2021
Shares 1,435,199 Value ($000) $81,648 Avg Close $55.12 Range $49.51 - $61.09
Q1 2021
Shares 1,435,199 Value ($000) $78,534 Avg Close $53.81 Range $47.52 - $57.57
Q4 2020
Shares 2,559,822 Value ($000) $135,287 Avg Close $44.43 Range $38.03 - $54.05
Q3 2020
Shares 2,642,052 Value ($000) $104,863 Avg Close $52.62 Range $38.20 - $61.52
Q2 2020
Shares 1,569,072 Value ($000) $84,981 Avg Close $49.71 Range $38.00 - $57.19
Q1 2020
Shares 2,052,099 Value ($000) $81,694 Avg Close $41.03 Range $30.58 - $44.61
Q4 2019
Shares 2,019,054 Value ($000) $86,193 Avg Close $38.10 Range $33.22 - $43.97
Q3 2019
Shares 2,008,057 Value ($000) $78,776 Avg Close $41.92 Range $37.94 - $46.78
Q2 2019
Shares 2,008,057 Value ($000) $82,592 Avg Close $38.48 Range $32.76 - $46.23
Q1 2019
Shares 1,823,122 Value ($000) $68,075 Avg Close $38.83 Range $32.85 - $45.70
Q4 2018
Shares 1,757,952 Value ($000) $59,613 Avg Close $31.69 Range $28.23 - $36.55
Q3 2018
Shares 1,693,558 Value ($000) $52,907 Avg Close $28.02 Range $25.19 - $32.33
Q2 2018
Shares 1,716,945 Value ($000) $45,516 Avg Close $25.40 Range $22.99 - $27.10
Q1 2018
Shares 1,716,945 Value ($000) $44,469 Avg Close $23.53 Range $20.71 - $27.73
Q4 2017
Shares 1,328,801 Value ($000) $27,811 Avg Close $21.20 Range $19.40 - $22.63
Q3 2017
Shares 1,369,490 Value ($000) $30,088 Avg Close $23.93 Range $20.86 - $26.92
Q2 2017
Shares 1,379,265 Value ($000) $34,509 Avg Close $23.96 Range $21.43 - $27.98
Q1 2017
Shares 1,660,357 Value ($000) $39,201 Avg Close $24.52 Range $22.73 - $26.84
Q4 2016
Shares 1,346,271 Value ($000) $32,862 Avg Close $21.85 Range $18.94 - $25.19
Q3 2016
Shares 1,545,412 Value ($000) $32,178 Avg Close $20.85 Range $17.59 - $23.60
Q2 2016
Shares 1,287,652 Value ($000) $24,143 Avg Close $18.11 Range $15.62 - $21.87
Q1 2016
Shares 1,103,680 Value ($000) $20,992 Avg Close $18.47 Range $16.32 - $21.14
Q4 2015
Shares 1,046,680 Value ($000) $21,656 Avg Close $22.97 Range $18.98 - $25.46
Q3 2015
Shares 1,005,001 Value ($000) $20,824 Avg Close $23.24 Range $17.97 - $26.50
Q2 2015
Shares 678,054 Value ($000) $16,056 Avg Close $22.84 Range $18.75 - $26.20
Q1 2015
Shares 433,472 Value ($000) $8,370 Avg Close $19.93 Range $17.86 - $21.47
Q4 2014
Shares 474,704 Value ($000) $9,214 Avg Close $16.70 Range $13.77 - $20.14
Q3 2014
Shares 724,421 Value ($000) $12,113 Avg Close $19.60 Range $16.66 - $22.46
Q2 2014
Shares 724,421 Value ($000) $15,691 Avg Close $20.54 Range $18.00 - $24.21
Q1 2014
Shares 953,567 Value ($000) $21,684 Avg Close $23.52 Range $21.41 - $27.16
Q4 2013
Shares 953,567 Value ($000) $22,819 Avg Close $23.81 Range $20.93 - $27.94
Q3 2013
Shares 953,567 Value ($000) $23,820 Avg Close $22.53 Range $19.37 - $26.17
Q2 2013
Shares 953,567 Value ($000) $18,518 Avg Close $16.65 Range $14.14 - $20.60
Q1 2013
Shares 883,832 Value ($000) $14,150 Avg Close $15.85 Range $14.37 - $17.78
Q3 2012
Shares 819,791 Value ($000) $11,149 Avg Close — Range —
Q2 2012
Shares 761,685 Value ($000) $12,210 Avg Close — Range —