CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Vanguard Personalized Indexing Management, LLC's Holding History (CIK: 0001767306)

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

Q4 2025

Shares 20,423 Value ($000) $4,776 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 19,391 Value ($000) $2,825 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 19,669 Value ($000) $1,600 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 16,749 Value ($000) $1,012 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 14,751 Value ($000) $1,251 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 13,925 Value ($000) $858 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 13,111 Value ($000) $632 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 12,955 Value ($000) $641 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 17,875 Value ($000) $805 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 8,321 Value ($000) $393 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 8,021 Value ($000) $341 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 18,676 Value ($000) $981 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 8,406 Value ($000) $429 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 8,097 Value ($000) $327 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 9,129 Value ($000) $417 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 10,787 Value ($000) $654 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 9,172 Value ($000) $706 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 6,528 Value ($000) $335 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 11,214 Value ($000) $638 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 18,670 Value ($000) $1,022 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 19,710 Value ($000) $1,042 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 20,714 Value ($000) $822 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 24,798 Value ($000) $1,343 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 38,354 Value ($000) $1,527 Avg Close $41.03 Range $30.58 - $44.61

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,423	$4,776	$194.00	$143.19 - $248.00
Q3 2025	19,391	$2,825	$101.84	$76.89 - $146.53
Q2 2025	19,669	$1,600	$71.73	$49.21 - $86.21
Q1 2025	16,749	$1,012	$79.05	$58.04 - $101.44
Q4 2024	14,751	$1,251	$71.76	$59.60 - $91.82
Q3 2024	13,925	$858	$52.69	$44.89 - $63.06
Q2 2024	13,111	$632	$47.46	$43.30 - $53.58
Q1 2024	12,955	$641	$52.75	$44.22 - $63.24
Q4 2023	17,875	$805	$44.09	$39.94 - $48.36
Q3 2023	8,321	$393	$44.08	$40.10 - $50.72
Q2 2023	8,021	$341	$45.54	$40.84 - $52.67
Q1 2023	18,676	$981	$49.92	$45.83 - $54.25
Q4 2022	8,406	$429	$45.21	$38.33 - $52.51
Q3 2022	8,097	$327	$48.05	$39.44 - $56.38
Q2 2022	9,129	$417	$51.84	$41.63 - $61.78
Q1 2022	10,787	$654	$65.45	$53.29 - $77.38
Q4 2021	9,172	$706	$61.70	$51.01 - $78.28
Q3 2021	6,528	$335	$55.54	$50.34 - $58.85
Q2 2021	11,214	$638	$55.12	$49.51 - $61.09
Q1 2021	18,670	$1,022	$53.81	$47.52 - $57.57
Q4 2020	19,710	$1,042	$44.43	$38.03 - $54.05
Q3 2020	20,714	$822	$52.62	$38.20 - $61.52
Q2 2020	24,798	$1,343	$49.71	$38.00 - $57.19
Q1 2020	38,354	$1,527	$41.03	$30.58 - $44.61