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Disclosery

Banco Santander, S.A.: KOS position timeline

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

Banco Santander, S.A. held 525,378 KOS 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 525,378 shares
    Change vs previous 13F +400,842 shares

    0.01% of the 13F portfolio, value $1,108,548.

    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 §4.2).

  2. period ended2026-03-31
    13F 124,536 shares
    Change vs previous 13F -29,988 shares

    <0.01% of the 13F portfolio, value $346,210.

    13F-HR 0000891478-26-000056 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 §4.2).

  3. period ended2025-12-31
    13F 154,524 shares
    Change vs previous 13F -7,396 shares

    <0.01% of the 13F portfolio, value $140,215.

    13F-HR 0000891478-26-000012 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 §4.2).

  4. period ended2025-09-30
    13F 161,920 shares
    Change vs previous 13F +113,812 shares

    <0.01% of the 13F portfolio, value $268,787.

    13F-HR 0000891478-25-000141 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 §4.2).

  5. period ended2025-06-30
    13F/A 48,108 shares
    Change vs previous 13F +22,588 shares

    <0.01% of the 13F portfolio, value $82,746.

    13F-HR 0000891478-25-000117 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 §4.2).

  6. period ended2025-03-31
    13F 25,520 shares
    Change vs previous 13F +4,340 shares

    <0.01% of the 13F portfolio, value $58,186.

    13F-HR 0000891478-25-000087 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 §4.2).

  7. period ended2024-12-31
    13F 21,180 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $72,436.

    13F-HR 0000891478-25-000042 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 §4.2).