CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 209,508 Value ($000) $48,998 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 101,417 Value ($000) $6,246 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 157,781 Value ($000) $12,832 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 128,478 Value ($000) $7,764 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 170,653 Value ($000) $14,473 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 101,417 Value ($000) $6 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 149,032 Value ($000) $7,180 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 244,631 Value ($000) $12,097 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 351,251 Value ($000) $15,810 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 264,265 Value ($000) $12,489 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 234,188 Value ($000) $10 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 39,804 Value ($000) $2 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 68,206 Value ($000) $3 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 104,736 Value ($000) $4,236 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 87,342 Value ($000) $3,989 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 29,939 Value ($000) $1,814 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 38,040 Value ($000) $2,928 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 180,138 Value ($000) $9,250 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 188,073 Value ($000) $10,700 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 41,442 Value ($000) $2,268 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 22,636 Value ($000) $1,196 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 39,505 Value ($000) $1,569 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 69,413 Value ($000) $3,759 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 74,772 Value ($000) $2,977 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 178,928 Value ($000) $7,640 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 114,283 Value ($000) $4,483 Avg Close $41.92 Range $37.94 - $46.78

Q2 2019

Shares 656,609 Value ($000) $27,007 Avg Close $38.48 Range $32.76 - $46.23

Q1 2019

Shares 198,542 Value ($000) $7,414 Avg Close $38.83 Range $32.85 - $45.70

Q4 2018

Shares 218,341 Value ($000) $7,404 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 312,137 Value ($000) $9,751 Avg Close $28.02 Range $25.19 - $32.33

Q2 2018

Shares 94,350 Value ($000) $2,502 Avg Close $25.40 Range $22.99 - $27.10

Q1 2018

Shares 226,019 Value ($000) $5,853 Avg Close $23.53 Range $20.71 - $27.73

Q4 2017

Shares 68,811 Value ($000) $1,441 Avg Close $21.20 Range $19.40 - $22.63

Q3 2017

Shares 92,471 Value ($000) $2,031 Avg Close $23.93 Range $20.86 - $26.92

Q2 2017

Shares 201,919 Value ($000) $5,053 Avg Close $23.96 Range $21.43 - $27.98

Q1 2017

Shares 122,714 Value ($000) $2,896 Avg Close $24.52 Range $22.73 - $26.84

Q4 2016

Shares 252,309 Value ($000) $6,158 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 281,188 Value ($000) $6,129 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 249,558 Value ($000) $4,678 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 406,134 Value ($000) $7,716 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 697,935 Value ($000) $13,959 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 720,728 Value ($000) $14,415 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 751,661 Value ($000) $17,288 Avg Close $22.84 Range $18.75 - $26.20

Q1 2015

Shares 857,400 Value ($000) $16,291 Avg Close $19.93 Range $17.86 - $21.47

Q4 2014

Shares 804,864 Value ($000) $15,293 Avg Close $16.70 Range $13.77 - $20.14

Q3 2014

Shares 975,748 Value ($000) $15,611 Avg Close $19.60 Range $16.66 - $22.46

Q2 2014

Shares 715,207 Value ($000) $15,019 Avg Close $20.54 Range $18.00 - $24.21

Q1 2014

Shares 1,220,843 Value ($000) $26,858 Avg Close $23.52 Range $21.41 - $27.16

Q4 2013

Shares 799,526 Value ($000) $18,389 Avg Close $23.81 Range $20.93 - $27.94

Q3 2013

Shares 786,686 Value ($000) $19,667 Avg Close $22.53 Range $19.37 - $26.17

Q2 2013

Shares 715,236 Value ($000) $13,898 Avg Close $16.65 Range $14.14 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	209,508	$48,998	$194.00	$143.19 - $248.00
Q3 2025	101,417	$6,246	$101.84	$76.89 - $146.53
Q2 2025	157,781	$12,832	$71.73	$49.21 - $86.21
Q1 2025	128,478	$7,764	$79.05	$58.04 - $101.44
Q4 2024	170,653	$14,473	$71.76	$59.60 - $91.82
Q3 2024	101,417	$6	$52.69	$44.89 - $63.06
Q2 2024	149,032	$7,180	$47.46	$43.30 - $53.58
Q1 2024	244,631	$12,097	$52.75	$44.22 - $63.24
Q4 2023	351,251	$15,810	$44.09	$39.94 - $48.36
Q3 2023	264,265	$12,489	$44.08	$40.10 - $50.72
Q2 2023	234,188	$10	$45.54	$40.84 - $52.67
Q1 2023	39,804	$2	$49.92	$45.83 - $54.25
Q4 2022	68,206	$3	$45.21	$38.33 - $52.51
Q3 2022	104,736	$4,236	$48.05	$39.44 - $56.38
Q2 2022	87,342	$3,989	$51.84	$41.63 - $61.78
Q1 2022	29,939	$1,814	$65.45	$53.29 - $77.38
Q4 2021	38,040	$2,928	$61.70	$51.01 - $78.28
Q3 2021	180,138	$9,250	$55.54	$50.34 - $58.85
Q2 2021	188,073	$10,700	$55.12	$49.51 - $61.09
Q1 2021	41,442	$2,268	$53.81	$47.52 - $57.57
Q4 2020	22,636	$1,196	$44.43	$38.03 - $54.05
Q3 2020	39,505	$1,569	$52.62	$38.20 - $61.52
Q2 2020	69,413	$3,759	$49.71	$38.00 - $57.19
Q1 2020	74,772	$2,977	$41.03	$30.58 - $44.61
Q4 2019	178,928	$7,640	$38.10	$33.22 - $43.97
Q3 2019	114,283	$4,483	$41.92	$37.94 - $46.78
Q2 2019	656,609	$27,007	$38.48	$32.76 - $46.23
Q1 2019	198,542	$7,414	$38.83	$32.85 - $45.70
Q4 2018	218,341	$7,404	$31.69	$28.23 - $36.55
Q3 2018	312,137	$9,751	$28.02	$25.19 - $32.33
Q2 2018	94,350	$2,502	$25.40	$22.99 - $27.10
Q1 2018	226,019	$5,853	$23.53	$20.71 - $27.73
Q4 2017	68,811	$1,441	$21.20	$19.40 - $22.63
Q3 2017	92,471	$2,031	$23.93	$20.86 - $26.92
Q2 2017	201,919	$5,053	$23.96	$21.43 - $27.98
Q1 2017	122,714	$2,896	$24.52	$22.73 - $26.84
Q4 2016	252,309	$6,158	$21.85	$18.94 - $25.19
Q3 2016	281,188	$6,129	$20.85	$17.59 - $23.60
Q2 2016	249,558	$4,678	$18.11	$15.62 - $21.87
Q1 2016	406,134	$7,716	$18.47	$16.32 - $21.14
Q4 2015	697,935	$13,959	$22.97	$18.98 - $25.46
Q3 2015	720,728	$14,415	$23.24	$17.97 - $26.50
Q2 2015	751,661	$17,288	$22.84	$18.75 - $26.20
Q1 2015	857,400	$16,291	$19.93	$17.86 - $21.47
Q4 2014	804,864	$15,293	$16.70	$13.77 - $20.14
Q3 2014	975,748	$15,611	$19.60	$16.66 - $22.46
Q2 2014	715,207	$15,019	$20.54	$18.00 - $24.21
Q1 2014	1,220,843	$26,858	$23.52	$21.41 - $27.16
Q4 2013	799,526	$18,389	$23.81	$20.93 - $27.94
Q3 2013	786,686	$19,667	$22.53	$19.37 - $26.17
Q2 2013	715,236	$13,898	$16.65	$14.14 - $20.60