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Disclosery

Optiver Holding B.V.: UMBF position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Optiver Holding B.V. on UMBF, newest first. How the timeline and the estimate are built.

Optiver Holding B.V. held 635 UMBF shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 635 shares
    Change vs previous 13F +409 shares

    <0.01% of the 13F portfolio, value $90,653.

    13F-HR 0001859606-26-000005 filed by Optiver Holding B.V.
    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/A 226 shares
    Change vs previous 13F -140 shares

    <0.01% of the 13F portfolio, value $25,491.

    13F-HR/A 0001859606-26-000004 filed by Optiver Holding B.V.
    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 366 shares
    Change vs previous 13F -225 shares

    <0.01% of the 13F portfolio, value $42,105.

    13F-HR 0001859606-26-000001 filed by Optiver Holding B.V.
    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 591 shares
    Change vs previous 13F +2 shares

    <0.01% of the 13F portfolio, value $69,945.

    13F-HR 0001859606-25-000023 filed by Optiver Holding B.V.
    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 589 shares
    Change vs previous 13F +111 shares

    <0.01% of the 13F portfolio, value $61,939.

    13F-HR 0001859606-25-000019 filed by Optiver Holding B.V.
    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 478 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $48,326.

    13F-HR 0001859606-25-000016 filed by Optiver Holding B.V.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).