CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 719,747 Value ($000) $168,327 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 1,086,529 Value ($000) $158,275 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 9,564 Value ($000) $778 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 391,701 Value ($000) $23,670 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 444,616 Value ($000) $37,708 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 592,129 Value ($000) $36,469 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 70,181 Value ($000) $3,381 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 76,521 Value ($000) $3,784 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 53,851 Value ($000) $2,424 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 1,156,806 Value ($000) $54,671 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 810,366 Value ($000) $34,432 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 186,056 Value ($000) $9,772 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 679,271 Value ($000) $34,629 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 61,121 Value ($000) $2,471 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 333,025 Value ($000) $15,220 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 128,005 Value ($000) $7,761 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 814,564 Value ($000) $62,697 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 367,912 Value ($000) $18,892 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 450,513 Value ($000) $25,630 Avg Close $55.12 Range $49.51 - $61.09

Q3 2020

Shares 387,938 Value ($000) $15,397 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 289,171 Value ($000) $15,661 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 359,491 Value ($000) $14,311 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 1,024,178 Value ($000) $43,722 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 2,376,833 Value ($000) $93,243 Avg Close $41.92 Range $37.94 - $46.78

Q2 2019

Shares 854,939 Value ($000) $35,164 Avg Close $38.48 Range $32.76 - $46.23

Q1 2019

Shares 1,187,866 Value ($000) $44,355 Avg Close $38.83 Range $32.85 - $45.70

Q4 2018

Shares 7,087 Value ($000) $240 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 528,114 Value ($000) $16,498 Avg Close $28.02 Range $25.19 - $32.33

Q2 2018

Shares 413,111 Value ($000) $10,952 Avg Close $25.40 Range $22.99 - $27.10

Q1 2018

Shares 426,653 Value ($000) $11,051 Avg Close $23.53 Range $20.71 - $27.73

Q4 2017

Shares 1,024,270 Value ($000) $21,438 Avg Close $21.20 Range $19.40 - $22.63

Q3 2017

Shares 3,025,230 Value ($000) $66,464 Avg Close $23.93 Range $20.86 - $26.92

Q2 2017

Shares 389,117 Value ($000) $9,736 Avg Close $23.96 Range $21.43 - $27.98

Q1 2017

Shares 811,758 Value ($000) $19,166 Avg Close $24.52 Range $22.73 - $26.84

Q4 2016

Shares 648,695 Value ($000) $15,835 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 583,984 Value ($000) $12,731 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 933,175 Value ($000) $17,498 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 1,497,098 Value ($000) $28,475 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 2,151,800 Value ($000) $44,521 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 613,659 Value ($000) $12,715 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 455,763 Value ($000) $10,792 Avg Close $22.84 Range $18.75 - $26.20

Q1 2015

Shares 1,053,935 Value ($000) $20,351 Avg Close $19.93 Range $17.86 - $21.47

Q4 2014

Shares 928,351 Value ($000) $18,020 Avg Close $16.70 Range $13.77 - $20.14

Q3 2014

Shares 551,276 Value ($000) $9,217 Avg Close $19.60 Range $16.66 - $22.46

Q2 2014

Shares 189,768 Value ($000) $4,110 Avg Close $20.54 Range $18.00 - $24.21

Q1 2014

Shares 445,294 Value ($000) $10,126 Avg Close $23.52 Range $21.41 - $27.16

Q4 2013

Shares 1,489,053 Value ($000) $35,633 Avg Close $23.81 Range $20.93 - $27.94

Q3 2013

Shares 14,980 Value ($000) $374 Avg Close $22.53 Range $19.37 - $26.17

Q2 2013

Shares 2,755,596 Value ($000) $53,514 Avg Close $16.65 Range $14.14 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	719,747	$168,327	$194.00	$143.19 - $248.00
Q3 2025	1,086,529	$158,275	$101.84	$76.89 - $146.53
Q2 2025	9,564	$778	$71.73	$49.21 - $86.21
Q1 2025	391,701	$23,670	$79.05	$58.04 - $101.44
Q4 2024	444,616	$37,708	$71.76	$59.60 - $91.82
Q3 2024	592,129	$36,469	$52.69	$44.89 - $63.06
Q2 2024	70,181	$3,381	$47.46	$43.30 - $53.58
Q1 2024	76,521	$3,784	$52.75	$44.22 - $63.24
Q4 2023	53,851	$2,424	$44.09	$39.94 - $48.36
Q3 2023	1,156,806	$54,671	$44.08	$40.10 - $50.72
Q2 2023	810,366	$34,432	$45.54	$40.84 - $52.67
Q1 2023	186,056	$9,772	$49.92	$45.83 - $54.25
Q4 2022	679,271	$34,629	$45.21	$38.33 - $52.51
Q3 2022	61,121	$2,471	$48.05	$39.44 - $56.38
Q2 2022	333,025	$15,220	$51.84	$41.63 - $61.78
Q1 2022	128,005	$7,761	$65.45	$53.29 - $77.38
Q4 2021	814,564	$62,697	$61.70	$51.01 - $78.28
Q3 2021	367,912	$18,892	$55.54	$50.34 - $58.85
Q2 2021	450,513	$25,630	$55.12	$49.51 - $61.09
Q3 2020	387,938	$15,397	$52.62	$38.20 - $61.52
Q2 2020	289,171	$15,661	$49.71	$38.00 - $57.19
Q1 2020	359,491	$14,311	$41.03	$30.58 - $44.61
Q4 2019	1,024,178	$43,722	$38.10	$33.22 - $43.97
Q3 2019	2,376,833	$93,243	$41.92	$37.94 - $46.78
Q2 2019	854,939	$35,164	$38.48	$32.76 - $46.23
Q1 2019	1,187,866	$44,355	$38.83	$32.85 - $45.70
Q4 2018	7,087	$240	$31.69	$28.23 - $36.55
Q3 2018	528,114	$16,498	$28.02	$25.19 - $32.33
Q2 2018	413,111	$10,952	$25.40	$22.99 - $27.10
Q1 2018	426,653	$11,051	$23.53	$20.71 - $27.73
Q4 2017	1,024,270	$21,438	$21.20	$19.40 - $22.63
Q3 2017	3,025,230	$66,464	$23.93	$20.86 - $26.92
Q2 2017	389,117	$9,736	$23.96	$21.43 - $27.98
Q1 2017	811,758	$19,166	$24.52	$22.73 - $26.84
Q4 2016	648,695	$15,835	$21.85	$18.94 - $25.19
Q3 2016	583,984	$12,731	$20.85	$17.59 - $23.60
Q2 2016	933,175	$17,498	$18.11	$15.62 - $21.87
Q1 2016	1,497,098	$28,475	$18.47	$16.32 - $21.14
Q4 2015	2,151,800	$44,521	$22.97	$18.98 - $25.46
Q3 2015	613,659	$12,715	$23.24	$17.97 - $26.50
Q2 2015	455,763	$10,792	$22.84	$18.75 - $26.20
Q1 2015	1,053,935	$20,351	$19.93	$17.86 - $21.47
Q4 2014	928,351	$18,020	$16.70	$13.77 - $20.14
Q3 2014	551,276	$9,217	$19.60	$16.66 - $22.46
Q2 2014	189,768	$4,110	$20.54	$18.00 - $24.21
Q1 2014	445,294	$10,126	$23.52	$21.41 - $27.16
Q4 2013	1,489,053	$35,633	$23.81	$20.93 - $27.94
Q3 2013	14,980	$374	$22.53	$19.37 - $26.17
Q2 2013	2,755,596	$53,514	$16.65	$14.14 - $20.60