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LMR Partners LLP

Position in CIEN — Ciena Corp

CIK 1578621 LONDON, X0

Position in CIEN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$19,893,293
-$43,719,347 QoQ
Shares Held
51,241
-81.2% QoQ
Ownership
0.036%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
12 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

LMR Partners LLP holds $174,932,209 across 9 Communication Equipment names. CIEN ranks #3 (11.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 CIEN
Ciena Corp
This page
51,241 $19,893,293

All Filings in CIEN

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12 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $19,893,293 51,241
2025-12-31 $63,612,640 272,000
2025-09-30 $15,513,855 106,500
2025-06-30 $23,179,050 285,000
2025-03-31 $4,532,250 75,000
2024-12-31 $4,240,500 50,000
2024-09-30 $17,236,146 279,853
2023-12-31 $12,377,750 275,000
2022-12-31 $20,392,000 400,000
2022-03-31 $2,958,986 48,804
2021-12-31 $7,697,000 100,000
2020-06-30 $513,166 9,475