CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 383,482 Value ($000) $89,685 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 372,436 Value ($000) $54,253 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 378,655 Value ($000) $30,796 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 381,360 Value ($000) $23,046 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 390,148 Value ($000) $33,088 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 387,554 Value ($000) $23,869 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 392,113 Value ($000) $18,892 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 407,608 Value ($000) $20,156 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 432,215 Value ($000) $19,454 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 453,921 Value ($000) $21,452 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 460,100 Value ($000) $19,550 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 452,208 Value ($000) $24 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 453,358 Value ($000) $23 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 434,281 Value ($000) $17,558 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 430,347 Value ($000) $19,667 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 405,749 Value ($000) $24,601 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 414,118 Value ($000) $31,875 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 416,526 Value ($000) $21,389 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 430,200 Value ($000) $24,474 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 433,187 Value ($000) $23,704 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 423,018 Value ($000) $22,357 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 411,346 Value ($000) $16,326 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 422,570 Value ($000) $22,886 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 417,837 Value ($000) $16,634 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 384,730 Value ($000) $16,424 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 395,804 Value ($000) $15,527 Avg Close $41.92 Range $37.94 - $46.78

Q2 2019

Shares 380,098 Value ($000) $15,633 Avg Close $38.48 Range $32.76 - $46.23

Q1 2019

Shares 475,053 Value ($000) $17,738 Avg Close $38.83 Range $32.85 - $45.70

Q4 2018

Shares 464,629 Value ($000) $15,756 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 269,333 Value ($000) $8,414 Avg Close $28.02 Range $25.19 - $32.33

Q2 2018

Shares 268,444 Value ($000) $7,116 Avg Close $25.40 Range $22.99 - $27.10

Q1 2018

Shares 252,650 Value ($000) $6,544 Avg Close $23.53 Range $20.71 - $27.73

Q4 2017

Shares 262,378 Value ($000) $5,492 Avg Close $21.20 Range $19.40 - $22.63

Q3 2017

Shares 287,545 Value ($000) $6,317 Avg Close $23.93 Range $20.86 - $26.92

Q2 2017

Shares 286,264 Value ($000) $7,162 Avg Close $23.96 Range $21.43 - $27.98

Q1 2017

Shares 283,621 Value ($000) $6,696 Avg Close $24.52 Range $22.73 - $26.84

Q4 2016

Shares 276,648 Value ($000) $6,753 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 262,827 Value ($000) $5,730 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 245,505 Value ($000) $4,603 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 239,063 Value ($000) $4,547 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 231,158 Value ($000) $4,783 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 216,243 Value ($000) $4,481 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 201,870 Value ($000) $4,780 Avg Close $22.84 Range $18.75 - $26.20

Q1 2015

Shares 175,700 Value ($000) $3,393 Avg Close $19.93 Range $17.86 - $21.47

Q4 2014

Shares 151,356 Value ($000) $2,938 Avg Close $16.70 Range $13.77 - $20.14

Q3 2014

Shares 159,490 Value ($000) $2,667 Avg Close $19.60 Range $16.66 - $22.46

Q2 2014

Shares 159,470 Value ($000) $3,454 Avg Close $20.54 Range $18.00 - $24.21

Q1 2014

Shares 189,445 Value ($000) $4,308 Avg Close $23.52 Range $21.41 - $27.16

Q4 2013

Shares 192,505 Value ($000) $4,607 Avg Close $23.81 Range $20.93 - $27.94

Q3 2013

Shares 199,012 Value ($000) $4,971 Avg Close $22.53 Range $19.37 - $26.17

Q2 2013

Shares 200,347 Value ($000) $3,891 Avg Close $16.65 Range $14.14 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	383,482	$89,685	$194.00	$143.19 - $248.00
Q3 2025	372,436	$54,253	$101.84	$76.89 - $146.53
Q2 2025	378,655	$30,796	$71.73	$49.21 - $86.21
Q1 2025	381,360	$23,046	$79.05	$58.04 - $101.44
Q4 2024	390,148	$33,088	$71.76	$59.60 - $91.82
Q3 2024	387,554	$23,869	$52.69	$44.89 - $63.06
Q2 2024	392,113	$18,892	$47.46	$43.30 - $53.58
Q1 2024	407,608	$20,156	$52.75	$44.22 - $63.24
Q4 2023	432,215	$19,454	$44.09	$39.94 - $48.36
Q3 2023	453,921	$21,452	$44.08	$40.10 - $50.72
Q2 2023	460,100	$19,550	$45.54	$40.84 - $52.67
Q1 2023	452,208	$24	$49.92	$45.83 - $54.25
Q4 2022	453,358	$23	$45.21	$38.33 - $52.51
Q3 2022	434,281	$17,558	$48.05	$39.44 - $56.38
Q2 2022	430,347	$19,667	$51.84	$41.63 - $61.78
Q1 2022	405,749	$24,601	$65.45	$53.29 - $77.38
Q4 2021	414,118	$31,875	$61.70	$51.01 - $78.28
Q3 2021	416,526	$21,389	$55.54	$50.34 - $58.85
Q2 2021	430,200	$24,474	$55.12	$49.51 - $61.09
Q1 2021	433,187	$23,704	$53.81	$47.52 - $57.57
Q4 2020	423,018	$22,357	$44.43	$38.03 - $54.05
Q3 2020	411,346	$16,326	$52.62	$38.20 - $61.52
Q2 2020	422,570	$22,886	$49.71	$38.00 - $57.19
Q1 2020	417,837	$16,634	$41.03	$30.58 - $44.61
Q4 2019	384,730	$16,424	$38.10	$33.22 - $43.97
Q3 2019	395,804	$15,527	$41.92	$37.94 - $46.78
Q2 2019	380,098	$15,633	$38.48	$32.76 - $46.23
Q1 2019	475,053	$17,738	$38.83	$32.85 - $45.70
Q4 2018	464,629	$15,756	$31.69	$28.23 - $36.55
Q3 2018	269,333	$8,414	$28.02	$25.19 - $32.33
Q2 2018	268,444	$7,116	$25.40	$22.99 - $27.10
Q1 2018	252,650	$6,544	$23.53	$20.71 - $27.73
Q4 2017	262,378	$5,492	$21.20	$19.40 - $22.63
Q3 2017	287,545	$6,317	$23.93	$20.86 - $26.92
Q2 2017	286,264	$7,162	$23.96	$21.43 - $27.98
Q1 2017	283,621	$6,696	$24.52	$22.73 - $26.84
Q4 2016	276,648	$6,753	$21.85	$18.94 - $25.19
Q3 2016	262,827	$5,730	$20.85	$17.59 - $23.60
Q2 2016	245,505	$4,603	$18.11	$15.62 - $21.87
Q1 2016	239,063	$4,547	$18.47	$16.32 - $21.14
Q4 2015	231,158	$4,783	$22.97	$18.98 - $25.46
Q3 2015	216,243	$4,481	$23.24	$17.97 - $26.50
Q2 2015	201,870	$4,780	$22.84	$18.75 - $26.20
Q1 2015	175,700	$3,393	$19.93	$17.86 - $21.47
Q4 2014	151,356	$2,938	$16.70	$13.77 - $20.14
Q3 2014	159,490	$2,667	$19.60	$16.66 - $22.46
Q2 2014	159,470	$3,454	$20.54	$18.00 - $24.21
Q1 2014	189,445	$4,308	$23.52	$21.41 - $27.16
Q4 2013	192,505	$4,607	$23.81	$20.93 - $27.94
Q3 2013	199,012	$4,971	$22.53	$19.37 - $26.17
Q2 2013	200,347	$3,891	$16.65	$14.14 - $20.60