CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Alberta Investment Management Corp's Holding History (CIK: 0001463559)

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

Q2 2023

Shares 26,353 Value ($000) $1,120 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 26,353 Value ($000) $1,384 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 25,332 Value ($000) $1,291 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 18,700 Value ($000) $756 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 18,700 Value ($000) $855 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 18,700 Value ($000) $1,134 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 55,300 Value ($000) $4,256 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 26,300 Value ($000) $1,351 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 26,300 Value ($000) $1,496 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 26,300 Value ($000) $1,439 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 40,600 Value ($000) $2,146 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 40,600 Value ($000) $1,611 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 57,800 Value ($000) $3,130 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 74,100 Value ($000) $2,950 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 40,600 Value ($000) $1,733 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 55,900 Value ($000) $2,193 Avg Close $41.92 Range $37.94 - $46.78

Q2 2019

Shares 40,600 Value ($000) $1,670 Avg Close $38.48 Range $32.76 - $46.23

Q1 2019

Shares 40,600 Value ($000) $1,516 Avg Close $38.83 Range $32.85 - $45.70

Q4 2018

Shares 55,000 Value ($000) $1,865 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 55,000 Value ($000) $1,718 Avg Close $28.02 Range $25.19 - $32.33

Q2 2018

Shares 52,100 Value ($000) $1,381 Avg Close $25.40 Range $22.99 - $27.10

Q1 2018

Shares 41,600 Value ($000) $1,077 Avg Close $23.53 Range $20.71 - $27.73

Q4 2017

Shares 41,600 Value ($000) $871 Avg Close $21.20 Range $19.40 - $22.63

Q1 2016

Shares 51,420 Value ($000) $978 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 258,527 Value ($000) $5,349 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 594,030 Value ($000) $12,308 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 474,755 Value ($000) $11,242 Avg Close $22.84 Range $18.75 - $26.20

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	26,353	$1,120	$45.54	$40.84 - $52.67
Q1 2023	26,353	$1,384	$49.92	$45.83 - $54.25
Q4 2022	25,332	$1,291	$45.21	$38.33 - $52.51
Q3 2022	18,700	$756	$48.05	$39.44 - $56.38
Q2 2022	18,700	$855	$51.84	$41.63 - $61.78
Q1 2022	18,700	$1,134	$65.45	$53.29 - $77.38
Q4 2021	55,300	$4,256	$61.70	$51.01 - $78.28
Q3 2021	26,300	$1,351	$55.54	$50.34 - $58.85
Q2 2021	26,300	$1,496	$55.12	$49.51 - $61.09
Q1 2021	26,300	$1,439	$53.81	$47.52 - $57.57
Q4 2020	40,600	$2,146	$44.43	$38.03 - $54.05
Q3 2020	40,600	$1,611	$52.62	$38.20 - $61.52
Q2 2020	57,800	$3,130	$49.71	$38.00 - $57.19
Q1 2020	74,100	$2,950	$41.03	$30.58 - $44.61
Q4 2019	40,600	$1,733	$38.10	$33.22 - $43.97
Q3 2019	55,900	$2,193	$41.92	$37.94 - $46.78
Q2 2019	40,600	$1,670	$38.48	$32.76 - $46.23
Q1 2019	40,600	$1,516	$38.83	$32.85 - $45.70
Q4 2018	55,000	$1,865	$31.69	$28.23 - $36.55
Q3 2018	55,000	$1,718	$28.02	$25.19 - $32.33
Q2 2018	52,100	$1,381	$25.40	$22.99 - $27.10
Q1 2018	41,600	$1,077	$23.53	$20.71 - $27.73
Q4 2017	41,600	$871	$21.20	$19.40 - $22.63
Q1 2016	51,420	$978	$18.47	$16.32 - $21.14
Q4 2015	258,527	$5,349	$22.97	$18.98 - $25.46
Q3 2015	594,030	$12,308	$23.24	$17.97 - $26.50
Q2 2015	474,755	$11,242	$22.84	$18.75 - $26.20