CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

UBS ASSET MANAGEMENT AMERICAS INC's Holding History (CIK: 0000861177)

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

Q4 2025

Shares 697,563 Value ($000) $163,139 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 465,620 Value ($000) $67,827 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 663,862 Value ($000) $53,992 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 508,787 Value ($000) $30,746 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 582,784 Value ($000) $49,426 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 541,097 Value ($000) $33,326 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 430,308 Value ($000) $20,732 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 266,814 Value ($000) $13,194 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 258,376 Value ($000) $11,630 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 256,102 Value ($000) $12,103 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 270,523 Value ($000) $14,208 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 270,523 Value ($000) $14,208 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 279,506 Value ($000) $14,249 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 288,885 Value ($000) $11,679,622 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 317,182 Value ($000) $14,495,219 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 281,327 Value ($000) $17,056,857 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 1,580,344 Value ($000) $121,639,078 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 1,969,936 Value ($000) $101,156,213 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 3,145,911 Value ($000) $178,970,878 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 3,369,672 Value ($000) $184,388,452 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 2,802,104 Value ($000) $148,091,197 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 294,594 Value ($000) $11,692,436 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 282,343 Value ($000) $15,291,697 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 224,255 Value ($000) $8,927,593 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 195,375 Value ($000) $8,340,559 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 188,121 Value ($000) $7,379,987 Avg Close $41.92 Range $37.94 - $46.78

Q2 2019

Shares 164,682 Value ($000) $6,773,371 Avg Close $38.48 Range $32.76 - $46.23

Q1 2019

Shares 117,450 Value ($000) $4,385,584 Avg Close $38.83 Range $32.85 - $45.70

Q4 2018

Shares 114,427 Value ($000) $3,880,219 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 101,634 Value ($000) $3,175,046 Avg Close $28.02 Range $25.19 - $32.33

Q2 2018

Shares 100,150 Value ($000) $2,654,976 Avg Close $25.40 Range $22.99 - $27.10

Q1 2018

Shares 107,542 Value ($000) $2,785,337 Avg Close $23.53 Range $20.71 - $27.73

Q4 2017

Shares 90,944 Value ($000) $1,903,460 Avg Close $21.20 Range $19.40 - $22.63

Q3 2017

Shares 552,937 Value ($000) $12,148,027 Avg Close $23.93 Range $20.86 - $26.92

Q2 2017

Shares 554,252 Value ($000) $13,867,385 Avg Close $23.96 Range $21.43 - $27.98

Q1 2017

Shares 606,706 Value ($000) $14,324,330 Avg Close $24.52 Range $22.73 - $26.84

Q4 2016

Shares 624,787 Value ($000) $15,251 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 657,986 Value ($000) $14,344 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 673,399 Value ($000) $12,626 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 454,379 Value ($000) $8,642 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 483,564 Value ($000) $10,005 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 504,551 Value ($000) $10,455 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 417,809 Value ($000) $9,894 Avg Close $22.84 Range $18.75 - $26.20

Q1 2015

Shares 413,147 Value ($000) $7,977 Avg Close $19.93 Range $17.86 - $21.47

Q4 2014

Shares 420,047 Value ($000) $8,153 Avg Close $16.70 Range $13.77 - $20.14

Q3 2014

Shares 337,724 Value ($000) $5,646 Avg Close $19.60 Range $16.66 - $22.46

Q2 2014

Shares 362,196 Value ($000) $7,845 Avg Close $20.54 Range $18.00 - $24.21

Q1 2014

Shares 396,176 Value ($000) $9,009 Avg Close $23.52 Range $21.41 - $27.16

Q4 2013

Shares 443,670 Value ($000) $10,616 Avg Close $23.81 Range $20.93 - $27.94

Q3 2013

Shares 474,527 Value ($000) $11,854 Avg Close $22.53 Range $19.37 - $26.17

Q2 2013

Shares 42,797 Value ($000) $831 Avg Close $16.65 Range $14.14 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	697,563	$163,139	$194.00	$143.19 - $248.00
Q3 2025	465,620	$67,827	$101.84	$76.89 - $146.53
Q2 2025	663,862	$53,992	$71.73	$49.21 - $86.21
Q1 2025	508,787	$30,746	$79.05	$58.04 - $101.44
Q4 2024	582,784	$49,426	$71.76	$59.60 - $91.82
Q3 2024	541,097	$33,326	$52.69	$44.89 - $63.06
Q2 2024	430,308	$20,732	$47.46	$43.30 - $53.58
Q1 2024	266,814	$13,194	$52.75	$44.22 - $63.24
Q4 2023	258,376	$11,630	$44.09	$39.94 - $48.36
Q3 2023	256,102	$12,103	$44.08	$40.10 - $50.72
Q2 2023	270,523	$14,208	$45.54	$40.84 - $52.67
Q1 2023	270,523	$14,208	$49.92	$45.83 - $54.25
Q4 2022	279,506	$14,249	$45.21	$38.33 - $52.51
Q3 2022	288,885	$11,679,622	$48.05	$39.44 - $56.38
Q2 2022	317,182	$14,495,219	$51.84	$41.63 - $61.78
Q1 2022	281,327	$17,056,857	$65.45	$53.29 - $77.38
Q4 2021	1,580,344	$121,639,078	$61.70	$51.01 - $78.28
Q3 2021	1,969,936	$101,156,213	$55.54	$50.34 - $58.85
Q2 2021	3,145,911	$178,970,878	$55.12	$49.51 - $61.09
Q1 2021	3,369,672	$184,388,452	$53.81	$47.52 - $57.57
Q4 2020	2,802,104	$148,091,197	$44.43	$38.03 - $54.05
Q3 2020	294,594	$11,692,436	$52.62	$38.20 - $61.52
Q2 2020	282,343	$15,291,697	$49.71	$38.00 - $57.19
Q1 2020	224,255	$8,927,593	$41.03	$30.58 - $44.61
Q4 2019	195,375	$8,340,559	$38.10	$33.22 - $43.97
Q3 2019	188,121	$7,379,987	$41.92	$37.94 - $46.78
Q2 2019	164,682	$6,773,371	$38.48	$32.76 - $46.23
Q1 2019	117,450	$4,385,584	$38.83	$32.85 - $45.70
Q4 2018	114,427	$3,880,219	$31.69	$28.23 - $36.55
Q3 2018	101,634	$3,175,046	$28.02	$25.19 - $32.33
Q2 2018	100,150	$2,654,976	$25.40	$22.99 - $27.10
Q1 2018	107,542	$2,785,337	$23.53	$20.71 - $27.73
Q4 2017	90,944	$1,903,460	$21.20	$19.40 - $22.63
Q3 2017	552,937	$12,148,027	$23.93	$20.86 - $26.92
Q2 2017	554,252	$13,867,385	$23.96	$21.43 - $27.98
Q1 2017	606,706	$14,324,330	$24.52	$22.73 - $26.84
Q4 2016	624,787	$15,251	$21.85	$18.94 - $25.19
Q3 2016	657,986	$14,344	$20.85	$17.59 - $23.60
Q2 2016	673,399	$12,626	$18.11	$15.62 - $21.87
Q1 2016	454,379	$8,642	$18.47	$16.32 - $21.14
Q4 2015	483,564	$10,005	$22.97	$18.98 - $25.46
Q3 2015	504,551	$10,455	$23.24	$17.97 - $26.50
Q2 2015	417,809	$9,894	$22.84	$18.75 - $26.20
Q1 2015	413,147	$7,977	$19.93	$17.86 - $21.47
Q4 2014	420,047	$8,153	$16.70	$13.77 - $20.14
Q3 2014	337,724	$5,646	$19.60	$16.66 - $22.46
Q2 2014	362,196	$7,845	$20.54	$18.00 - $24.21
Q1 2014	396,176	$9,009	$23.52	$21.41 - $27.16
Q4 2013	443,670	$10,616	$23.81	$20.93 - $27.94
Q3 2013	474,527	$11,854	$22.53	$19.37 - $26.17
Q2 2013	42,797	$831	$16.65	$14.14 - $20.60