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Disclosery

Optiver Holding B.V.: ARM position timeline

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

Optiver Holding B.V. held 1,607 ARM 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 1,607 shares
    Change vs previous 13F -31,752 shares

    0.01% of the 13F portfolio, value $569,794.

    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 33,359 shares
    Change vs previous 13F -82,226 shares

    0.19% of the 13F portfolio, value $5,046,550.

    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 115,585 shares
    Change vs previous 13F +115,585 shares

    0.23% of the 13F portfolio, value $12,634,597.

    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 ended2025-06-30
    13F 0 shares
    Change vs previous 13F -630 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-03-31
    13F 630 shares
    Change vs previous 13F -29,493 shares

    <0.01% of the 13F portfolio, value $67,278.

    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).

  6. period ended2024-12-31
    13F 30,123 shares
    Change vs previous 13F -64,131 shares

    0.12% of the 13F portfolio, value $3,715,973.

    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).

  7. period ended2024-09-30
    13F 94,254 shares
    Change vs previous 13F not available

    0.34% of the 13F portfolio, value $13,479,265.

    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).