CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q4 2025

Shares 32,600 Value ($000) $7,624 Avg Close $194.00 Range $143.19 - $248.00

Q1 2025

Shares 309,174 Value ($000) $18,683 Avg Close $79.05 Range $58.04 - $101.44

Q4 2023

Shares 134,674 Value ($000) $6 Avg Close $44.09 Range $39.94 - $48.36

Q1 2022

Shares 37,974 Value ($000) $2,302 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 210,974 Value ($000) $16,239 Avg Close $61.70 Range $51.01 - $78.28

Q1 2020

Shares 283,974 Value ($000) $11,305 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 1,182,074 Value ($000) $50,463 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 798,774 Value ($000) $31,336 Avg Close $41.92 Range $37.94 - $46.78

Q2 2019

Shares 390,074 Value ($000) $16,044 Avg Close $38.48 Range $32.76 - $46.23

Q1 2019

Shares 1,598,274 Value ($000) $59,680 Avg Close $38.83 Range $32.85 - $45.70

Q4 2018

Shares 279,874 Value ($000) $9,491 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 1,232,195 Value ($000) $38,494 Avg Close $28.02 Range $25.19 - $32.33

Q2 2018

Shares 207,474 Value ($000) $5,500 Avg Close $25.40 Range $22.99 - $27.10

Q1 2018

Shares 1,462,074 Value ($000) $37,868 Avg Close $23.53 Range $20.71 - $27.73

Q4 2017

Shares 1,916,374 Value ($000) $40,110 Avg Close $21.20 Range $19.40 - $22.63

Q2 2017

Shares 688,474 Value ($000) $17,226 Avg Close $23.96 Range $21.43 - $27.98

Q1 2017

Shares 2,538,974 Value ($000) $59,945 Avg Close $24.52 Range $22.73 - $26.84

Q4 2016

Shares 4,032,274 Value ($000) $98,428 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 1,864,700 Value ($000) $40,650 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 1,876,700 Value ($000) $35,188 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 1,943,174 Value ($000) $36,959 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 1,998,374 Value ($000) $41,346 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 226,884 Value ($000) $4,701 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 363,305 Value ($000) $8,603 Avg Close $22.84 Range $18.75 - $26.20

Q1 2015

Shares 48,200 Value ($000) $931 Avg Close $19.93 Range $17.86 - $21.47

Q4 2014

Shares 17,505 Value ($000) $340 Avg Close $16.70 Range $13.77 - $20.14

Q3 2013

Shares 1,668,505 Value ($000) $41,728 Avg Close $22.53 Range $19.37 - $26.17

Q2 2013

Shares 1,131,405 Value ($000) $21,983 Avg Close $16.65 Range $14.14 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	32,600	$7,624	$194.00	$143.19 - $248.00
Q1 2025	309,174	$18,683	$79.05	$58.04 - $101.44
Q4 2023	134,674	$6	$44.09	$39.94 - $48.36
Q1 2022	37,974	$2,302	$65.45	$53.29 - $77.38
Q4 2021	210,974	$16,239	$61.70	$51.01 - $78.28
Q1 2020	283,974	$11,305	$41.03	$30.58 - $44.61
Q4 2019	1,182,074	$50,463	$38.10	$33.22 - $43.97
Q3 2019	798,774	$31,336	$41.92	$37.94 - $46.78
Q2 2019	390,074	$16,044	$38.48	$32.76 - $46.23
Q1 2019	1,598,274	$59,680	$38.83	$32.85 - $45.70
Q4 2018	279,874	$9,491	$31.69	$28.23 - $36.55
Q3 2018	1,232,195	$38,494	$28.02	$25.19 - $32.33
Q2 2018	207,474	$5,500	$25.40	$22.99 - $27.10
Q1 2018	1,462,074	$37,868	$23.53	$20.71 - $27.73
Q4 2017	1,916,374	$40,110	$21.20	$19.40 - $22.63
Q2 2017	688,474	$17,226	$23.96	$21.43 - $27.98
Q1 2017	2,538,974	$59,945	$24.52	$22.73 - $26.84
Q4 2016	4,032,274	$98,428	$21.85	$18.94 - $25.19
Q3 2016	1,864,700	$40,650	$20.85	$17.59 - $23.60
Q2 2016	1,876,700	$35,188	$18.11	$15.62 - $21.87
Q1 2016	1,943,174	$36,959	$18.47	$16.32 - $21.14
Q4 2015	1,998,374	$41,346	$22.97	$18.98 - $25.46
Q3 2015	226,884	$4,701	$23.24	$17.97 - $26.50
Q2 2015	363,305	$8,603	$22.84	$18.75 - $26.20
Q1 2015	48,200	$931	$19.93	$17.86 - $21.47
Q4 2014	17,505	$340	$16.70	$13.77 - $20.14
Q3 2013	1,668,505	$41,728	$22.53	$19.37 - $26.17
Q2 2013	1,131,405	$21,983	$16.65	$14.14 - $20.60