CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

BROWN ADVISORY INC's Holding History (CIK: 0001345929)

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

Q4 2025

Shares 2,052 Value ($000) $480 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 2,395 Value ($000) $349 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 2,945 Value ($000) $240 Avg Close $71.73 Range $49.21 - $86.21

Q2 2024

Shares 5,014 Value ($000) $242 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 6,216 Value ($000) $307 Avg Close $52.75 Range $44.22 - $63.24

Q4 2021

Shares 3,067 Value ($000) $236 Avg Close $61.70 Range $51.01 - $78.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,052	$480	$194.00	$143.19 - $248.00
Q3 2025	2,395	$349	$101.84	$76.89 - $146.53
Q2 2025	2,945	$240	$71.73	$49.21 - $86.21
Q2 2024	5,014	$242	$47.46	$43.30 - $53.58
Q1 2024	6,216	$307	$52.75	$44.22 - $63.24
Q4 2021	3,067	$236	$61.70	$51.01 - $78.28