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Disclosery

Optiver Holding B.V.: MSTZ position timeline

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

Optiver Holding B.V. held 25,819 MSTZ 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 25,819 shares
    Change vs previous 13F +9,063 shares

    0.01% of the 13F portfolio, value $400,969.

    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 16,756 shares
    Change vs previous 13F -4,826 shares

    0.01% of the 13F portfolio, value $209,115.

    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 21,582 shares
    Change vs previous 13F -384,038 shares

    0.01% of the 13F portfolio, value $370,132.

    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 405,620 shares
    Change vs previous 13F +390,297 shares

    0.03% of the 13F portfolio, value $2,133,561.

    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 15,323 shares
    Change vs previous 13F -98,027 shares

    <0.01% of the 13F portfolio, value $64,050.

    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 113,350 shares
    Change vs previous 13F +76,042 shares

    0.06% of the 13F portfolio, value $1,590,300.

    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 37,308 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $1,047,982.

    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).