CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025
Shares 1,396,874 Value ($000) $326,720 Avg Close $194.00 Range $143.19 - $248.00
Q3 2025
Shares 1,995,699 Value ($000) $290,691 Avg Close $101.84 Range $76.89 - $146.53
Q2 2025
Shares 2,269,224 Value ($000) $184,572 Avg Close $71.73 Range $49.21 - $86.21
Q1 2025
Shares 2,377,478 Value ($000) $143,671 Avg Close $79.05 Range $58.04 - $101.44
Q4 2024
Shares 2,602,531 Value ($000) $220,726 Avg Close $71.76 Range $59.60 - $91.82
Q3 2024
Shares 2,646,044 Value ($000) $162,972 Avg Close $52.69 Range $44.89 - $63.06
Q2 2024
Shares 2,706,308 Value ($000) $130,392 Avg Close $47.46 Range $43.30 - $53.58
Q1 2024
Shares 2,182,995 Value ($000) $107,949 Avg Close $52.75 Range $44.22 - $63.24
Q4 2023
Shares 2,162,410 Value ($000) $97,331 Avg Close $44.09 Range $39.94 - $48.36
Q3 2023
Shares 1,830,229 Value ($000) $86,499 Avg Close $44.08 Range $40.10 - $50.72
Q2 2023
Shares 1,672,625 Value ($000) $71,072 Avg Close $45.54 Range $40.84 - $52.67
Q1 2023
Shares 1,680,434 Value ($000) $88,254 Avg Close $49.92 Range $45.83 - $54.25
Q4 2022
Shares 1,685,951 Value ($000) $86 Avg Close $45.21 Range $38.33 - $52.51
Q3 2022
Shares 1,664,505 Value ($000) $67,300 Avg Close $48.05 Range $39.44 - $56.38
Q2 2022
Shares 1,672,761 Value ($000) $76,441 Avg Close $51.84 Range $41.63 - $61.78
Q1 2022
Shares 1,753,752 Value ($000) $106,335 Avg Close $65.45 Range $53.29 - $77.38
Q4 2021
Shares 1,711,937 Value ($000) $131,766 Avg Close $61.70 Range $51.01 - $78.28
Q3 2021
Shares 1,709,523 Value ($000) $87,785 Avg Close $55.54 Range $50.34 - $58.85
Q2 2021
Shares 1,710,865 Value ($000) $97,334 Avg Close $55.12 Range $49.51 - $61.09
Q1 2021
Shares 1,728,993 Value ($000) $94,611 Avg Close $53.81 Range $47.52 - $57.57
Q4 2020
Shares 1,700,993 Value ($000) $89,895 Avg Close $44.43 Range $38.03 - $54.05
Q3 2020
Shares 1,650,328 Value ($000) $65,503 Avg Close $52.62 Range $38.20 - $61.52
Q2 2020
Shares 1,644,296 Value ($000) $89,044 Avg Close $49.71 Range $38.00 - $57.19
Q1 2020
Shares 1,661,114 Value ($000) $66,140 Avg Close $41.03 Range $30.58 - $44.61
Q4 2019
Shares 1,610,659 Value ($000) $68,759 Avg Close $38.10 Range $33.22 - $43.97
Q3 2019
Shares 1,617,142 Value ($000) $63,442 Avg Close $41.92 Range $37.94 - $46.78
Q2 2019
Shares 1,909,561 Value ($000) $78,544 Avg Close $38.48 Range $32.76 - $46.23
Q1 2019
Shares 3,009,443 Value ($000) $112,372 Avg Close $38.83 Range $32.85 - $45.70
Q4 2018
Shares 3,191,619 Value ($000) $108,224 Avg Close $31.69 Range $28.23 - $36.55
Q3 2018
Shares 3,926,619 Value ($000) $122,666 Avg Close $28.02 Range $25.19 - $32.33
Q2 2018
Shares 4,630,051 Value ($000) $122,740 Avg Close $25.40 Range $22.99 - $27.10
Q1 2018
Shares 4,405,223 Value ($000) $114,095 Avg Close $23.53 Range $20.71 - $27.73
Q4 2017
Shares 3,378,379 Value ($000) $70,713 Avg Close $21.20 Range $19.40 - $22.63
Q3 2017
Shares 2,826,524 Value ($000) $62,099 Avg Close $23.93 Range $20.86 - $26.92
Q2 2017
Shares 2,821,175 Value ($000) $70,588 Avg Close $23.96 Range $21.43 - $27.98
Q1 2017
Shares 2,787,087 Value ($000) $65,803 Avg Close $24.52 Range $22.73 - $26.84
Q4 2016
Shares 2,932,100 Value ($000) $71,573 Avg Close $21.85 Range $18.94 - $25.19
Q3 2016
Shares 2,766,727 Value ($000) $60,315 Avg Close $20.85 Range $17.59 - $23.60
Q2 2016
Shares 2,453,821 Value ($000) $46,009 Avg Close $18.11 Range $15.62 - $21.87
Q1 2016
Shares 2,633,304 Value ($000) $50,084 Avg Close $18.47 Range $16.32 - $21.14
Q4 2015
Shares 2,408,181 Value ($000) $49,826 Avg Close $22.97 Range $18.98 - $25.46
Q3 2015
Shares 2,218,766 Value ($000) $45,972 Avg Close $23.24 Range $17.97 - $26.50
Q2 2015
Shares 2,019,193 Value ($000) $47,815 Avg Close $22.84 Range $18.75 - $26.20
Q1 2015
Shares 1,669,470 Value ($000) $32,237 Avg Close $19.93 Range $17.86 - $21.47
Q4 2014
Shares 757,151 Value ($000) $14,697 Avg Close $16.70 Range $13.77 - $20.14
Q3 2014
Shares 1,625,455 Value ($000) $27,179 Avg Close $19.60 Range $16.66 - $22.46
Q2 2014
Shares 1,588,401 Value ($000) $34,404 Avg Close $20.54 Range $18.00 - $24.21
Q1 2014
Shares 1,456,820 Value ($000) $33,127 Avg Close $23.52 Range $21.41 - $27.16
Q4 2013
Shares 1,186,597 Value ($000) $28,395 Avg Close $23.81 Range $20.93 - $27.94
Q3 2013
Shares 458,737 Value ($000) $11,458 Avg Close $22.53 Range $19.37 - $26.17
Q2 2013
Shares 1,600 Value ($000) $31 Avg Close $16.65 Range $14.14 - $20.60