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TCW GROUP INC

Position in CIEN — Ciena Corp

CIK 850401 LOS ANGELES, CA

Position in CIEN

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$906,905
+$386,779 QoQ
Shares Held
2,336
+5.0% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Mar 31, 2026

TCW GROUP INC holds $219,070,819 across 7 Communication Equipment names. CIEN ranks #5 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 CIEN
Ciena Corp
This page
2,336 $906,905

All Filings in CIEN

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2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $906,905 2,336
2025-12-31 $520,126 2,224