CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Assenagon Asset Management S.A.'s Holding History (CIK: 0001546007)

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

Q4 2025

Shares 514,242 Value ($000) $120,266 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 1,023,157 Value ($000) $149,043 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 787,266 Value ($000) $64,028 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 39,690 Value ($000) $2,398 Avg Close $79.05 Range $58.04 - $101.44

Q3 2024

Shares 98,695 Value ($000) $6,079 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 226,102 Value ($000) $10,894 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 611,464 Value ($000) $30,237 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 537,959 Value ($000) $24,214 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 596,038 Value ($000) $28,169 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 119,936 Value ($000) $5,096 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 337,056 Value ($000) $17,702 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 158,174 Value ($000) $8 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 52,720 Value ($000) $2,131 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 75,350 Value ($000) $3,443 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 337,457 Value ($000) $20,460 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 59,635 Value ($000) $4,590 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 79,755 Value ($000) $4,095 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 300,996 Value ($000) $17,124 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 150,051 Value ($000) $8,211 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 26,291 Value ($000) $1,389 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 19,776 Value ($000) $785 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 18,425 Value ($000) $998 Avg Close $49.71 Range $38.00 - $57.19

Q4 2019

Shares 212,750 Value ($000) $9,082 Avg Close $38.10 Range $33.22 - $43.97

Q1 2019

Shares 35,849 Value ($000) $1,339 Avg Close $38.83 Range $32.85 - $45.70

Q4 2018

Shares 86,309 Value ($000) $2,927 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 204,523 Value ($000) $6,389 Avg Close $28.02 Range $25.19 - $32.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	514,242	$120,266	$194.00	$143.19 - $248.00
Q3 2025	1,023,157	$149,043	$101.84	$76.89 - $146.53
Q2 2025	787,266	$64,028	$71.73	$49.21 - $86.21
Q1 2025	39,690	$2,398	$79.05	$58.04 - $101.44
Q3 2024	98,695	$6,079	$52.69	$44.89 - $63.06
Q2 2024	226,102	$10,894	$47.46	$43.30 - $53.58
Q1 2024	611,464	$30,237	$52.75	$44.22 - $63.24
Q4 2023	537,959	$24,214	$44.09	$39.94 - $48.36
Q3 2023	596,038	$28,169	$44.08	$40.10 - $50.72
Q2 2023	119,936	$5,096	$45.54	$40.84 - $52.67
Q1 2023	337,056	$17,702	$49.92	$45.83 - $54.25
Q4 2022	158,174	$8	$45.21	$38.33 - $52.51
Q3 2022	52,720	$2,131	$48.05	$39.44 - $56.38
Q2 2022	75,350	$3,443	$51.84	$41.63 - $61.78
Q1 2022	337,457	$20,460	$65.45	$53.29 - $77.38
Q4 2021	59,635	$4,590	$61.70	$51.01 - $78.28
Q3 2021	79,755	$4,095	$55.54	$50.34 - $58.85
Q2 2021	300,996	$17,124	$55.12	$49.51 - $61.09
Q1 2021	150,051	$8,211	$53.81	$47.52 - $57.57
Q4 2020	26,291	$1,389	$44.43	$38.03 - $54.05
Q3 2020	19,776	$785	$52.62	$38.20 - $61.52
Q2 2020	18,425	$998	$49.71	$38.00 - $57.19
Q4 2019	212,750	$9,082	$38.10	$33.22 - $43.97
Q1 2019	35,849	$1,339	$38.83	$32.85 - $45.70
Q4 2018	86,309	$2,927	$31.69	$28.23 - $36.55
Q3 2018	204,523	$6,389	$28.02	$25.19 - $32.33