CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

TWO SIGMA ADVISERS, LP's Holding History (CIK: 0001478735)

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

Q4 2025

Shares 916 Value ($000) $214 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 77,616 Value ($000) $11,306 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 75,116 Value ($000) $6,109 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 176,916 Value ($000) $10,691 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 31,716 Value ($000) $2,690 Avg Close $71.76 Range $59.60 - $91.82

Q2 2024

Shares 8,916 Value ($000) $430 Avg Close $47.46 Range $43.30 - $53.58

Q4 2023

Shares 38,816 Value ($000) $1,747 Avg Close $44.09 Range $39.94 - $48.36

Q2 2022

Shares 24,000 Value ($000) $1,097 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 53,800 Value ($000) $3,262 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 73,500 Value ($000) $5,657 Avg Close $61.70 Range $51.01 - $78.28

Q4 2020

Shares 10,400 Value ($000) $550 Avg Close $44.43 Range $38.03 - $54.05

Q2 2020

Shares 223,947 Value ($000) $12,129 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 56,147 Value ($000) $2,235 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 139,347 Value ($000) $5,949 Avg Close $38.10 Range $33.22 - $43.97

Q2 2019

Shares 13,831 Value ($000) $569 Avg Close $38.48 Range $32.76 - $46.23

Q3 2018

Shares 19,571 Value ($000) $611 Avg Close $28.02 Range $25.19 - $32.33

Q2 2018

Shares 30,441 Value ($000) $807 Avg Close $25.40 Range $22.99 - $27.10

Q4 2017

Shares 24,455 Value ($000) $512 Avg Close $21.20 Range $19.40 - $22.63

Q4 2016

Shares 99,023 Value ($000) $2,417 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 27,019 Value ($000) $589 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 49,619 Value ($000) $930 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 25,819 Value ($000) $491 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 18,077 Value ($000) $374 Avg Close $22.97 Range $18.98 - $25.46

Q3 2013

Shares 179,651 Value ($000) $4,488 Avg Close $22.53 Range $19.37 - $26.17

Q2 2013

Shares 32,760 Value ($000) $636 Avg Close $16.65 Range $14.14 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	916	$214	$194.00	$143.19 - $248.00
Q3 2025	77,616	$11,306	$101.84	$76.89 - $146.53
Q2 2025	75,116	$6,109	$71.73	$49.21 - $86.21
Q1 2025	176,916	$10,691	$79.05	$58.04 - $101.44
Q4 2024	31,716	$2,690	$71.76	$59.60 - $91.82
Q2 2024	8,916	$430	$47.46	$43.30 - $53.58
Q4 2023	38,816	$1,747	$44.09	$39.94 - $48.36
Q2 2022	24,000	$1,097	$51.84	$41.63 - $61.78
Q1 2022	53,800	$3,262	$65.45	$53.29 - $77.38
Q4 2021	73,500	$5,657	$61.70	$51.01 - $78.28
Q4 2020	10,400	$550	$44.43	$38.03 - $54.05
Q2 2020	223,947	$12,129	$49.71	$38.00 - $57.19
Q1 2020	56,147	$2,235	$41.03	$30.58 - $44.61
Q4 2019	139,347	$5,949	$38.10	$33.22 - $43.97
Q2 2019	13,831	$569	$38.48	$32.76 - $46.23
Q3 2018	19,571	$611	$28.02	$25.19 - $32.33
Q2 2018	30,441	$807	$25.40	$22.99 - $27.10
Q4 2017	24,455	$512	$21.20	$19.40 - $22.63
Q4 2016	99,023	$2,417	$21.85	$18.94 - $25.19
Q3 2016	27,019	$589	$20.85	$17.59 - $23.60
Q2 2016	49,619	$930	$18.11	$15.62 - $21.87
Q1 2016	25,819	$491	$18.47	$16.32 - $21.14
Q4 2015	18,077	$374	$22.97	$18.98 - $25.46
Q3 2013	179,651	$4,488	$22.53	$19.37 - $26.17
Q2 2013	32,760	$636	$16.65	$14.14 - $20.60