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Disclosery

Optiver Holding B.V.: MGY position timeline

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

Optiver Holding B.V. held 1,711 MGY 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 1,711 shares
    Change vs previous 13F +1,695 shares

    <0.01% of the 13F portfolio, value $43,767.

    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 16 shares
    Change vs previous 13F -263 shares

    <0.01% of the 13F portfolio, value $505.

    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 279 shares
    Change vs previous 13F -426 shares

    <0.01% of the 13F portfolio, value $6,107.

    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 705 shares
    Change vs previous 13F +207 shares

    <0.01% of the 13F portfolio, value $16,828.

    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 498 shares
    Change vs previous 13F -97 shares

    <0.01% of the 13F portfolio, value $11,195.

    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 595 shares
    Change vs previous 13F +176 shares

    <0.01% of the 13F portfolio, value $15,030.

    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).

  7. period ended2024-12-31
    13F 419 shares
    Change vs previous 13F +236 shares

    <0.01% of the 13F portfolio, value $9,796.

    13F-HR 0001859606-25-000012 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).

  8. period ended2024-09-30
    13F 183 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,469.

    13F-HR 0001859606-24-000010 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).