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LMR Partners LLP

SEC CIK
0001578621
Latest filing
Aug 14, 2026

CIEN holding history

Ciena Corp in every 13F filed by LMR Partners LLP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CIEN overviewAll 13F holders of CIENFull Q2 2026 holdings

Shares (Q2 2026)
13,036
Value
$6.39M
% of portfolio
<0.1%
Quarters held
12
Since Q4 2021
Holdings of CIEN by LMR Partners LLP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202613,036$6.39M<0.1%−38,205−74.6%ReducedHolders
Q1 202651,241$19.9M0.2%−220,759−81.2%ReducedHolders
Q4 2025272,000$63.6M0.6%+165,500+155.4%AddedHolders
Q3 2025106,500$15.5M0.2%−178,500−62.6%ReducedHolders
Q2 2025285,000$23.2M0.4%+210,000+280.0%AddedHolders
Q1 202575,000$4.53M0.1%+25,000+50.0%AddedHolders
Q4 202450,000$4.24M0.1%−229,853−82.1%ReducedHolders
Q3 2024279,853$17.2M0.4%+279,853NewHolders
Q1 20240$00.0%−275,000−100.0%Sold outHolders
Q4 2023275,000$12.4M0.3%+275,000NewHolders
Q1 20230$00.0%−400,000−100.0%Sold outHolders
Q4 2022400,000$20.4M0.5%+400,000NewHolders
Q2 20220$00.0%−48,804−100.0%Sold outHolders
Q1 202248,804$2.96M<0.1%−51,196−51.2%ReducedHolders
Q4 2021100,000$7.70M0.1%+100,000NewHolders