CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q4 2025

Shares 21,101 Value ($000) $4,935 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 21,101 Value ($000) $3,074 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 120,804 Value ($000) $9,825 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 465,064 Value ($000) $28,104 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 42,397 Value ($000) $3,596 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 57,200 Value ($000) $3,523 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 113,803 Value ($000) $5,483 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 25,800 Value ($000) $1,276 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 396,548 Value ($000) $17,849 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 125,025 Value ($000) $5,909 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 18,700 Value ($000) $795 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 8,500 Value ($000) $446 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 8,513 Value ($000) $434 Avg Close $45.21 Range $38.33 - $52.51

Q2 2020

Shares 411,864 Value ($000) $22,307 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 236,899 Value ($000) $9,431 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 632,445 Value ($000) $26,999 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 107,111 Value ($000) $4,202 Avg Close $41.92 Range $37.94 - $46.78

Q2 2019

Shares 347,722 Value ($000) $14,302 Avg Close $38.48 Range $32.76 - $46.23

Q4 2018

Shares 94,429 Value ($000) $3,202 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 299,641 Value ($000) $9,361 Avg Close $28.02 Range $25.19 - $32.33

Q1 2018

Shares 22,584 Value ($000) $585 Avg Close $23.53 Range $20.71 - $27.73

Q4 2016

Shares 376,033 Value ($000) $9,179 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 19,849 Value ($000) $433 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 534,247 Value ($000) $10,017 Avg Close $18.11 Range $15.62 - $21.87

Q3 2015

Shares 13,256 Value ($000) $275 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 24,493 Value ($000) $580 Avg Close $22.84 Range $18.75 - $26.20

Q3 2013

Shares 777,452 Value ($000) $19,421 Avg Close $22.53 Range $19.37 - $26.17

Q2 2013

Shares 439,835 Value ($000) $8,542 Avg Close $16.65 Range $14.14 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	21,101	$4,935	$194.00	$143.19 - $248.00
Q3 2025	21,101	$3,074	$101.84	$76.89 - $146.53
Q2 2025	120,804	$9,825	$71.73	$49.21 - $86.21
Q1 2025	465,064	$28,104	$79.05	$58.04 - $101.44
Q4 2024	42,397	$3,596	$71.76	$59.60 - $91.82
Q3 2024	57,200	$3,523	$52.69	$44.89 - $63.06
Q2 2024	113,803	$5,483	$47.46	$43.30 - $53.58
Q1 2024	25,800	$1,276	$52.75	$44.22 - $63.24
Q4 2023	396,548	$17,849	$44.09	$39.94 - $48.36
Q3 2023	125,025	$5,909	$44.08	$40.10 - $50.72
Q2 2023	18,700	$795	$45.54	$40.84 - $52.67
Q1 2023	8,500	$446	$49.92	$45.83 - $54.25
Q4 2022	8,513	$434	$45.21	$38.33 - $52.51
Q2 2020	411,864	$22,307	$49.71	$38.00 - $57.19
Q1 2020	236,899	$9,431	$41.03	$30.58 - $44.61
Q4 2019	632,445	$26,999	$38.10	$33.22 - $43.97
Q3 2019	107,111	$4,202	$41.92	$37.94 - $46.78
Q2 2019	347,722	$14,302	$38.48	$32.76 - $46.23
Q4 2018	94,429	$3,202	$31.69	$28.23 - $36.55
Q3 2018	299,641	$9,361	$28.02	$25.19 - $32.33
Q1 2018	22,584	$585	$23.53	$20.71 - $27.73
Q4 2016	376,033	$9,179	$21.85	$18.94 - $25.19
Q3 2016	19,849	$433	$20.85	$17.59 - $23.60
Q2 2016	534,247	$10,017	$18.11	$15.62 - $21.87
Q3 2015	13,256	$275	$23.24	$17.97 - $26.50
Q2 2015	24,493	$580	$22.84	$18.75 - $26.20
Q3 2013	777,452	$19,421	$22.53	$19.37 - $26.17
Q2 2013	439,835	$8,542	$16.65	$14.14 - $20.60