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Disclosery

OSSIAM: BRK-B position timeline

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

OSSIAM held 393,540 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 393,540 shares
    Change vs previous 13F -324,468 shares

    2.61% of the 13F portfolio, value $196,923,481.

    13F-HR 0001104659-26-095927 filed by OSSIAM
    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 718,008 shares
    Change vs previous 13F -249,808 shares

    6.05% of the 13F portfolio, value $344,069,434.

    13F-HR 0001104659-26-061158 filed by OSSIAM
    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 967,816 shares
    Change vs previous 13F +171,262 shares

    9.71% of the 13F portfolio, value $486,472,712.

    13F-HR 0001104659-26-015184 filed by OSSIAM
    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 796,554 shares
    Change vs previous 13F -33,291 shares

    5.15% of the 13F portfolio, value $400,459,558.

    13F-HR 0001104659-25-112000 filed by OSSIAM
    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 829,845 shares
    Change vs previous 13F +85,033 shares

    4.53% of the 13F portfolio, value $403,113,806.

    13F-HR 0001104659-25-077547 filed by OSSIAM
    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 744,812 shares
    Change vs previous 13F -21,368 shares

    5.54% of the 13F portfolio, value $396,671,975.

    13F-HR 0001104659-25-048513 filed by OSSIAM
    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 766,180 shares
    Change vs previous 13F +292,617 shares

    6% of the 13F portfolio, value $347,294,070.

    13F-HR 0001104659-25-012936 filed by OSSIAM
    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 473,563 shares
    Change vs previous 13F not available

    4.21% of the 13F portfolio, value $217,962,106.

    13F-HR 0001104659-24-117694 filed by OSSIAM
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).