CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Channing Capital Management, LLC's Holding History (CIK: 0001302404)

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

Q2 2025

Shares 139,622 Value ($000) $11,355 Avg Close $71.73 Range $49.21 - $86.21

Q4 2024

Shares 46,650 Value ($000) $3,956 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 296,851 Value ($000) $18,283 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 324,004 Value ($000) $15,611 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 195,846 Value ($000) $9,685 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 167,207 Value ($000) $7,526 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 187,578 Value ($000) $8,865 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 161,411 Value ($000) $6,858 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 210,495 Value ($000) $11,055 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 190,674 Value ($000) $9,721 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 234,136 Value ($000) $9,466 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 207,585 Value ($000) $9,487 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 223,807 Value ($000) $13,569 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 238,880 Value ($000) $18,387 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 224,435 Value ($000) $11,525 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 362,879 Value ($000) $20,644 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 368,947 Value ($000) $20,189 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 346,468 Value ($000) $18,311 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 127,026 Value ($000) $5,042 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 65,642 Value ($000) $3,555 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 316,376 Value ($000) $12,595 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 323,587 Value ($000) $13,814 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 151,885 Value ($000) $5,958 Avg Close $41.92 Range $37.94 - $46.78

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	139,622	$11,355	$71.73	$49.21 - $86.21
Q4 2024	46,650	$3,956	$71.76	$59.60 - $91.82
Q3 2024	296,851	$18,283	$52.69	$44.89 - $63.06
Q2 2024	324,004	$15,611	$47.46	$43.30 - $53.58
Q1 2024	195,846	$9,685	$52.75	$44.22 - $63.24
Q4 2023	167,207	$7,526	$44.09	$39.94 - $48.36
Q3 2023	187,578	$8,865	$44.08	$40.10 - $50.72
Q2 2023	161,411	$6,858	$45.54	$40.84 - $52.67
Q1 2023	210,495	$11,055	$49.92	$45.83 - $54.25
Q4 2022	190,674	$9,721	$45.21	$38.33 - $52.51
Q3 2022	234,136	$9,466	$48.05	$39.44 - $56.38
Q2 2022	207,585	$9,487	$51.84	$41.63 - $61.78
Q1 2022	223,807	$13,569	$65.45	$53.29 - $77.38
Q4 2021	238,880	$18,387	$61.70	$51.01 - $78.28
Q3 2021	224,435	$11,525	$55.54	$50.34 - $58.85
Q2 2021	362,879	$20,644	$55.12	$49.51 - $61.09
Q1 2021	368,947	$20,189	$53.81	$47.52 - $57.57
Q4 2020	346,468	$18,311	$44.43	$38.03 - $54.05
Q3 2020	127,026	$5,042	$52.62	$38.20 - $61.52
Q2 2020	65,642	$3,555	$49.71	$38.00 - $57.19
Q1 2020	316,376	$12,595	$41.03	$30.58 - $44.61
Q4 2019	323,587	$13,814	$38.10	$33.22 - $43.97
Q3 2019	151,885	$5,958	$41.92	$37.94 - $46.78