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Brevan Howard Capital Management LP

Position in CIEN — Ciena Corp

CIK 1512857 ST. HELIER, Y9

Position in CIEN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$5,022,531
+$3,095,443 QoQ
Shares Held
12,937
+57.0% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2023
9 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

Brevan Howard Capital Management LP holds $54,836,458 across 20 Communication Equipment names. CIEN ranks #3 (9.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 CIEN
Ciena Corp
This page
12,937 $5,022,531

All Filings in CIEN

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9 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,022,531 12,937
2025-12-31 $1,927,088 8,240
2025-09-30 $20,062,691 137,727
2025-06-30 $575,653 7,078
2025-03-31 $1,336,651 22,119
2024-06-30 $744,332 15,449
2024-03-31 $263,815 5,335
2023-12-31 $511,943 11,374
2023-06-30 $374,294 8,809