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BROWN BROTHERS HARRIMAN & CO

Position in CIEN — Ciena Corp

CIK 14661 NEW YORK, NY

Position in CIEN

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$657,661
+$653,933 QoQ
Shares Held
1,694
+2285.9% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
5 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Mar 31, 2026

BROWN BROTHERS HARRIMAN & CO holds $41,147,923 across 9 Communication Equipment names. CIEN ranks #5 (1.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 CIEN
Ciena Corp
This page
1,694 $657,661

All Filings in CIEN

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $657,661 1,694
2023-03-31 $3,728 71
2022-09-30 $30,443 753
2020-09-30 $39 1
2020-06-30 $54 1