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Disclosery

Optiver Holding B.V.: BRK-B position timeline

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

Optiver Holding B.V. held 76,507 BRK-B 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 76,507 shares
    Change vs previous 13F +2,680 shares

    0.55% of the 13F portfolio, value $38,283,338.

    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 73,827 shares
    Change vs previous 13F +70,362 shares

    1.34% of the 13F portfolio, value $35,377,898.

    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 3,465 shares
    Change vs previous 13F +2,619 shares

    0.03% of the 13F portfolio, value $1,741,682.

    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 846 shares
    Change vs previous 13F -14,349 shares

    0.01% of the 13F portfolio, value $425,318.

    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 15,195 shares
    Change vs previous 13F +10,601 shares

    0.2% of the 13F portfolio, value $7,381,275.

    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 4,594 shares
    Change vs previous 13F -4,851 shares

    0.09% of the 13F portfolio, value $2,446,673.

    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 9,445 shares
    Change vs previous 13F +8,888 shares

    0.14% of the 13F portfolio, value $4,281,230.

    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 557 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $256,365.

    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).