CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Atom Investors LP's Holding History (CIK: 0001738902)

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

Q2 2025

Shares 15,137 Value ($000) $1,231 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 21,179 Value ($000) $1,280 Avg Close $79.05 Range $58.04 - $101.44

Q3 2024

Shares 21,061 Value ($000) $1,297 Avg Close $52.69 Range $44.89 - $63.06

Q1 2024

Shares 5,383 Value ($000) $266 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 65,992 Value ($000) $2,970 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 17,482 Value ($000) $826 Avg Close $44.08 Range $40.10 - $50.72

Q1 2019

Shares 29,437 Value ($000) $1,099 Avg Close $38.83 Range $32.85 - $45.70

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	15,137	$1,231	$71.73	$49.21 - $86.21
Q1 2025	21,179	$1,280	$79.05	$58.04 - $101.44
Q3 2024	21,061	$1,297	$52.69	$44.89 - $63.06
Q1 2024	5,383	$266	$52.75	$44.22 - $63.24
Q4 2023	65,992	$2,970	$44.09	$39.94 - $48.36
Q3 2023	17,482	$826	$44.08	$40.10 - $50.72
Q1 2019	29,437	$1,099	$38.83	$32.85 - $45.70