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Disclosery

Banco Santander, S.A.: CIEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Banco Santander, S.A. on CIEN, newest first. How the timeline and the estimate are built.

Banco Santander, S.A. held 5,775 CIEN shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,775 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $2,832,984.

    13F-HR 0000891478-26-000080 filed by Banco Santander, S.A.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec ยง4.2).