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Disclosery

Optiver Holding B.V.: MU position timeline

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

Optiver Holding B.V. held 696,131 MU 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 696,131 shares
    Change vs previous 13F +112,295 shares

    11.51% of the 13F portfolio, value $803,537,052.

    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 583,836 shares
    Change vs previous 13F +235,584 shares

    7.46% of the 13F portfolio, value $197,243,154.

    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 348,252 shares
    Change vs previous 13F -434,075 shares

    1.8% of the 13F portfolio, value $99,394,604.

    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 782,327 shares
    Change vs previous 13F -234,011 shares

    2.13% of the 13F portfolio, value $130,898,954.

    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 1,016,338 shares
    Change vs previous 13F -30,416 shares

    3.38% of the 13F portfolio, value $125,263,659.

    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 1,046,754 shares
    Change vs previous 13F -175,937 shares

    3.51% of the 13F portfolio, value $90,952,455.

    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 1,222,691 shares
    Change vs previous 13F +736,546 shares

    3.32% of the 13F portfolio, value $102,901,675.

    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 486,145 shares
    Change vs previous 13F not available

    1.28% of the 13F portfolio, value $50,418,098.

    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).