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Disclosery

Optiver Holding B.V.: RIG position timeline

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

Optiver Holding B.V. held 4,120 RIG 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 4,120 shares
    Change vs previous 13F +4,120 shares

    <0.01% of the 13F portfolio, value $20,147.

    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 ended2025-09-30
    13F 0 shares
    Change vs previous 13F -3,544 shares

    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).

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

  3. period ended2025-06-30
    13F 3,544 shares
    Change vs previous 13F -19,462 shares

    <0.01% of the 13F portfolio, value $9,179.

    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).

  4. period ended2025-03-31
    13F 23,006 shares
    Change vs previous 13F +14,606 shares

    <0.01% of the 13F portfolio, value $72,929.

    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).

  5. period ended2024-12-31
    13F 8,400 shares
    Change vs previous 13F +2,933 shares

    <0.01% of the 13F portfolio, value $31,500.

    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).

  6. period ended2024-09-30
    13F 5,467 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $23,235.

    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).