CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q1 2025

Shares 596,830 Value ($000) $36,066 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 456,904 Value ($000) $38,750 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 1,934,991 Value ($000) $119,176 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 1,958,600 Value ($000) $94,365 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 1,056,944 Value ($000) $52,266 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 373,268 Value ($000) $16,801 Avg Close $44.09 Range $39.94 - $48.36

Q2 2023

Shares 1,164,632 Value ($000) $49,485 Avg Close $45.54 Range $40.84 - $52.67

Q4 2022

Shares 1,263,137 Value ($000) $64,395 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 3,813,469 Value ($000) $154,179 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 816,343 Value ($000) $37,307 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 568,285 Value ($000) $34,455 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 481,990 Value ($000) $37,099 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 1,581,684 Value ($000) $81,219 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 374,629 Value ($000) $21,313 Avg Close $55.12 Range $49.51 - $61.09

Q1 2020

Shares 65,684 Value ($000) $2,615 Avg Close $41.03 Range $30.58 - $44.61

Q4 2017

Shares 1,649,403 Value ($000) $34,522 Avg Close $21.20 Range $19.40 - $22.63

Q1 2017

Shares 1,115,448 Value ($000) $26,336 Avg Close $24.52 Range $22.73 - $26.84

Q4 2016

Shares 994,868 Value ($000) $24,285 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 1,487,213 Value ($000) $32,421 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 1,822,526 Value ($000) $34,172 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 3,064,597 Value ($000) $58,289 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 2,544,707 Value ($000) $52,650 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 123,292 Value ($000) $2,555 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 61,154 Value ($000) $1,448 Avg Close $22.84 Range $18.75 - $26.20

Q1 2015

Shares 1,525,900 Value ($000) $29,465 Avg Close $19.93 Range $17.86 - $21.47

Q4 2014

Shares 1,770,709 Value ($000) $34,369 Avg Close $16.70 Range $13.77 - $20.14

Q3 2014

Shares 1,122,020 Value ($000) $18,760 Avg Close $19.60 Range $16.66 - $22.46

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	596,830	$36,066	$79.05	$58.04 - $101.44
Q4 2024	456,904	$38,750	$71.76	$59.60 - $91.82
Q3 2024	1,934,991	$119,176	$52.69	$44.89 - $63.06
Q2 2024	1,958,600	$94,365	$47.46	$43.30 - $53.58
Q1 2024	1,056,944	$52,266	$52.75	$44.22 - $63.24
Q4 2023	373,268	$16,801	$44.09	$39.94 - $48.36
Q2 2023	1,164,632	$49,485	$45.54	$40.84 - $52.67
Q4 2022	1,263,137	$64,395	$45.21	$38.33 - $52.51
Q3 2022	3,813,469	$154,179	$48.05	$39.44 - $56.38
Q2 2022	816,343	$37,307	$51.84	$41.63 - $61.78
Q1 2022	568,285	$34,455	$65.45	$53.29 - $77.38
Q4 2021	481,990	$37,099	$61.70	$51.01 - $78.28
Q3 2021	1,581,684	$81,219	$55.54	$50.34 - $58.85
Q2 2021	374,629	$21,313	$55.12	$49.51 - $61.09
Q1 2020	65,684	$2,615	$41.03	$30.58 - $44.61
Q4 2017	1,649,403	$34,522	$21.20	$19.40 - $22.63
Q1 2017	1,115,448	$26,336	$24.52	$22.73 - $26.84
Q4 2016	994,868	$24,285	$21.85	$18.94 - $25.19
Q3 2016	1,487,213	$32,421	$20.85	$17.59 - $23.60
Q2 2016	1,822,526	$34,172	$18.11	$15.62 - $21.87
Q1 2016	3,064,597	$58,289	$18.47	$16.32 - $21.14
Q4 2015	2,544,707	$52,650	$22.97	$18.98 - $25.46
Q3 2015	123,292	$2,555	$23.24	$17.97 - $26.50
Q2 2015	61,154	$1,448	$22.84	$18.75 - $26.20
Q1 2015	1,525,900	$29,465	$19.93	$17.86 - $21.47
Q4 2014	1,770,709	$34,369	$16.70	$13.77 - $20.14
Q3 2014	1,122,020	$18,760	$19.60	$16.66 - $22.46