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Atreides Management, LP

Position in CIEN — Ciena Corp

CIK 1777813 BOSTON, MA

Position in CIEN

as of Mar 31, 2026 · filed May 18, 2026
Position Value
$262,756,781
-$71,263,369 QoQ
Shares Held
676,807
-52.6% QoQ
Ownership
0.478%
of shares outstanding
% of Portfolio
6.40%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2023
10 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

Atreides Management, LP holds $470,621,927 across 3 Communication Equipment names. CIEN ranks #1 (55.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CIEN
Ciena Corp
This page
676,807 $262,756,781

All Filings in CIEN

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10 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $262,756,781 676,807
2025-12-31 $334,020,150 1,428,230
2025-09-30 $204,049,291 1,400,764
2025-06-30 $102,704,987 1,262,818
2024-12-31 $6,356,679 74,952
2024-09-30 $136,681,205 2,219,211
2024-06-30 $173,077,881 3,592,318
2024-03-31 $157,782,735 3,190,753
2023-12-31 $114,792,603 2,550,380
2023-09-30 $77,882,825 1,647,965