CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 35,298 Value ($000) $8,255 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 36,282 Value ($000) $5,285 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 36,522 Value ($000) $2,970 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 33,972 Value ($000) $2,053 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 31,897 Value ($000) $2,705 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 31,677 Value ($000) $1,951 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 32,050 Value ($000) $1,544 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 32,077 Value ($000) $1,586 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 32,623 Value ($000) $1,468 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 30,274 Value ($000) $1,431 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 72,102 Value ($000) $3,064 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 66,847 Value ($000) $3,511 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 66,643 Value ($000) $3 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 59,355 Value ($000) $2,400 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 60,224 Value ($000) $2,752 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 56,763 Value ($000) $3,442 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 51,366 Value ($000) $3,954 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 51,131 Value ($000) $2,626 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 51,624 Value ($000) $2,937 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 51,762 Value ($000) $2,832 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 51,533 Value ($000) $2,724 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 49,244 Value ($000) $1,954 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 32,505 Value ($000) $1,760 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 36,394 Value ($000) $1,449 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 27,286 Value ($000) $1,165 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 27,310 Value ($000) $1,071 Avg Close $41.92 Range $37.94 - $46.78

Q2 2019

Shares 25,221 Value ($000) $1,037 Avg Close $38.48 Range $32.76 - $46.23

Q1 2019

Shares 25,339 Value ($000) $946 Avg Close $38.83 Range $32.85 - $45.70

Q4 2018

Shares 24,913 Value ($000) $845 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 28,972 Value ($000) $905 Avg Close $28.02 Range $25.19 - $32.33

Q2 2018

Shares 38,714 Value ($000) $1,026 Avg Close $25.40 Range $22.99 - $27.10

Q1 2018

Shares 38,912 Value ($000) $1,008 Avg Close $23.53 Range $20.71 - $27.73

Q4 2017

Shares 20,841 Value ($000) $436 Avg Close $21.20 Range $19.40 - $22.63

Q3 2017

Shares 20,681 Value ($000) $454 Avg Close $23.93 Range $20.86 - $26.92

Q2 2017

Shares 20,690 Value ($000) $518 Avg Close $23.96 Range $21.43 - $27.98

Q1 2017

Shares 20,632 Value ($000) $487 Avg Close $24.52 Range $22.73 - $26.84

Q4 2016

Shares 20,629 Value ($000) $504 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 20,429 Value ($000) $445 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 24,886 Value ($000) $467 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 23,093 Value ($000) $439 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 36,725 Value ($000) $760 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 36,568 Value ($000) $758 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 34,005 Value ($000) $805 Avg Close $22.84 Range $18.75 - $26.20

Q1 2015

Shares 28,250 Value ($000) $546 Avg Close $19.93 Range $17.86 - $21.47

Q4 2014

Shares 22,860 Value ($000) $444 Avg Close $16.70 Range $13.77 - $20.14

Q3 2014

Shares 14,789 Value ($000) $247 Avg Close $19.60 Range $16.66 - $22.46

Q2 2014

Shares 14,603 Value ($000) $316 Avg Close $20.54 Range $18.00 - $24.21

Q1 2014

Shares 14,664 Value ($000) $333 Avg Close $23.52 Range $21.41 - $27.16

Q4 2013

Shares 14,475 Value ($000) $346 Avg Close $23.81 Range $20.93 - $27.94

Q3 2013

Shares 40,615 Value ($000) $1,016 Avg Close $22.53 Range $19.37 - $26.17

Q2 2013

Shares 14,448 Value ($000) $281 Avg Close $16.65 Range $14.14 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,298	$8,255	$194.00	$143.19 - $248.00
Q3 2025	36,282	$5,285	$101.84	$76.89 - $146.53
Q2 2025	36,522	$2,970	$71.73	$49.21 - $86.21
Q1 2025	33,972	$2,053	$79.05	$58.04 - $101.44
Q4 2024	31,897	$2,705	$71.76	$59.60 - $91.82
Q3 2024	31,677	$1,951	$52.69	$44.89 - $63.06
Q2 2024	32,050	$1,544	$47.46	$43.30 - $53.58
Q1 2024	32,077	$1,586	$52.75	$44.22 - $63.24
Q4 2023	32,623	$1,468	$44.09	$39.94 - $48.36
Q3 2023	30,274	$1,431	$44.08	$40.10 - $50.72
Q2 2023	72,102	$3,064	$45.54	$40.84 - $52.67
Q1 2023	66,847	$3,511	$49.92	$45.83 - $54.25
Q4 2022	66,643	$3	$45.21	$38.33 - $52.51
Q3 2022	59,355	$2,400	$48.05	$39.44 - $56.38
Q2 2022	60,224	$2,752	$51.84	$41.63 - $61.78
Q1 2022	56,763	$3,442	$65.45	$53.29 - $77.38
Q4 2021	51,366	$3,954	$61.70	$51.01 - $78.28
Q3 2021	51,131	$2,626	$55.54	$50.34 - $58.85
Q2 2021	51,624	$2,937	$55.12	$49.51 - $61.09
Q1 2021	51,762	$2,832	$53.81	$47.52 - $57.57
Q4 2020	51,533	$2,724	$44.43	$38.03 - $54.05
Q3 2020	49,244	$1,954	$52.62	$38.20 - $61.52
Q2 2020	32,505	$1,760	$49.71	$38.00 - $57.19
Q1 2020	36,394	$1,449	$41.03	$30.58 - $44.61
Q4 2019	27,286	$1,165	$38.10	$33.22 - $43.97
Q3 2019	27,310	$1,071	$41.92	$37.94 - $46.78
Q2 2019	25,221	$1,037	$38.48	$32.76 - $46.23
Q1 2019	25,339	$946	$38.83	$32.85 - $45.70
Q4 2018	24,913	$845	$31.69	$28.23 - $36.55
Q3 2018	28,972	$905	$28.02	$25.19 - $32.33
Q2 2018	38,714	$1,026	$25.40	$22.99 - $27.10
Q1 2018	38,912	$1,008	$23.53	$20.71 - $27.73
Q4 2017	20,841	$436	$21.20	$19.40 - $22.63
Q3 2017	20,681	$454	$23.93	$20.86 - $26.92
Q2 2017	20,690	$518	$23.96	$21.43 - $27.98
Q1 2017	20,632	$487	$24.52	$22.73 - $26.84
Q4 2016	20,629	$504	$21.85	$18.94 - $25.19
Q3 2016	20,429	$445	$20.85	$17.59 - $23.60
Q2 2016	24,886	$467	$18.11	$15.62 - $21.87
Q1 2016	23,093	$439	$18.47	$16.32 - $21.14
Q4 2015	36,725	$760	$22.97	$18.98 - $25.46
Q3 2015	36,568	$758	$23.24	$17.97 - $26.50
Q2 2015	34,005	$805	$22.84	$18.75 - $26.20
Q1 2015	28,250	$546	$19.93	$17.86 - $21.47
Q4 2014	22,860	$444	$16.70	$13.77 - $20.14
Q3 2014	14,789	$247	$19.60	$16.66 - $22.46
Q2 2014	14,603	$316	$20.54	$18.00 - $24.21
Q1 2014	14,664	$333	$23.52	$21.41 - $27.16
Q4 2013	14,475	$346	$23.81	$20.93 - $27.94
Q3 2013	40,615	$1,016	$22.53	$19.37 - $26.17
Q2 2013	14,448	$281	$16.65	$14.14 - $20.60