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Atreides Management, LP

Position in CIEN — Ciena Corp

CIK 1777813 BOSTON, MA

Position in CIEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$337,760,861
+$75,004,080 QoQ
Shares Held
688,521
+1.7% QoQ
Ownership
0.486%
of shares outstanding
% of Portfolio
3.06%
of 13F equity value
Holder Rank
#28
of 1,218 holders
Holding Since
Sep 2023
11 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

Atreides Management, LP holds $371,292,515 across 2 Communication Equipment names. CIEN ranks #1 (91.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CIEN
Ciena Corp
This page
688,521 $337,760,861

All Filings in CIEN

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $337,760,861 688,521
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