CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

CRAMER ROSENTHAL MCGLYNN LLC's Holding History (CIK: 0000820743)

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

Q4 2025

Shares 96,564 Value ($000) $22,583 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 180,730 Value ($000) $26,327 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 465,491 Value ($000) $37,858 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 398,973 Value ($000) $24,110 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 426,626 Value ($000) $36,182 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 701,208 Value ($000) $43,187 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 487,448 Value ($000) $23,485 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 471,445 Value ($000) $23,313 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 582,799 Value ($000) $26,232 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 603,707 Value ($000) $28,531 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 625,749 Value ($000) $26,588 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 602,178 Value ($000) $31,626 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 592,339 Value ($000) $30,197 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 55,738 Value ($000) $2,253 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 51,124 Value ($000) $2,336 Avg Close $51.84 Range $41.63 - $61.78

Q2 2016

Shares 740,126 Value ($000) $13,877 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 754,701 Value ($000) $14,354 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 752,571 Value ($000) $15,571 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 1,007,155 Value ($000) $20,868 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 816,855 Value ($000) $19,343 Avg Close $22.84 Range $18.75 - $26.20

Q1 2015

Shares 707,265 Value ($000) $13,657 Avg Close $19.93 Range $17.86 - $21.47

Q4 2014

Shares 907,365 Value ($000) $17,612 Avg Close $16.70 Range $13.77 - $20.14

Q3 2014

Shares 980,475 Value ($000) $16,394 Avg Close $19.60 Range $16.66 - $22.46

Q2 2014

Shares 771,950 Value ($000) $16,720 Avg Close $20.54 Range $18.00 - $24.21

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	96,564	$22,583	$194.00	$143.19 - $248.00
Q3 2025	180,730	$26,327	$101.84	$76.89 - $146.53
Q2 2025	465,491	$37,858	$71.73	$49.21 - $86.21
Q1 2025	398,973	$24,110	$79.05	$58.04 - $101.44
Q4 2024	426,626	$36,182	$71.76	$59.60 - $91.82
Q3 2024	701,208	$43,187	$52.69	$44.89 - $63.06
Q2 2024	487,448	$23,485	$47.46	$43.30 - $53.58
Q1 2024	471,445	$23,313	$52.75	$44.22 - $63.24
Q4 2023	582,799	$26,232	$44.09	$39.94 - $48.36
Q3 2023	603,707	$28,531	$44.08	$40.10 - $50.72
Q2 2023	625,749	$26,588	$45.54	$40.84 - $52.67
Q1 2023	602,178	$31,626	$49.92	$45.83 - $54.25
Q4 2022	592,339	$30,197	$45.21	$38.33 - $52.51
Q3 2022	55,738	$2,253	$48.05	$39.44 - $56.38
Q2 2022	51,124	$2,336	$51.84	$41.63 - $61.78
Q2 2016	740,126	$13,877	$18.11	$15.62 - $21.87
Q1 2016	754,701	$14,354	$18.47	$16.32 - $21.14
Q4 2015	752,571	$15,571	$22.97	$18.98 - $25.46
Q3 2015	1,007,155	$20,868	$23.24	$17.97 - $26.50
Q2 2015	816,855	$19,343	$22.84	$18.75 - $26.20
Q1 2015	707,265	$13,657	$19.93	$17.86 - $21.47
Q4 2014	907,365	$17,612	$16.70	$13.77 - $20.14
Q3 2014	980,475	$16,394	$19.60	$16.66 - $22.46
Q2 2014	771,950	$16,720	$20.54	$18.00 - $24.21