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Asset Management One Co., Ltd.

Position in CIEN — Ciena Corp

CIK 1068855 TOKYO, M0

Position in CIEN

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$29,341,374
+$6,262,266 QoQ
Shares Held
59,812
+0.6% QoQ
Ownership
0.042%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#164
of 1,217 holders
Holding Since
Dec 2025
3 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 Jun 30, 2026

Asset Management One Co., Ltd. holds $391,764,050 across 8 Communication Equipment names. CIEN ranks #4 (7.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 CIEN
Ciena Corp
This page
59,812 $29,341,374

All Filings in CIEN

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $29,341,374 59,812
2026-03-31 $23,079,108 59,447
2025-12-31 $12,830,809 54,863