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AGF MANAGEMENT LTD: BRK-B position timeline

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

AGF MANAGEMENT LTD held 28,582 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 28,582 shares
    Change vs previous 13F -78,700 shares

    0.06% of the 13F portfolio, value $14,302,146.

    13F-HR 0000945621-26-000999 filed by AGF MANAGEMENT LTD
    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 107,282 shares
    Change vs previous 13F -6,427 shares

    0.23% of the 13F portfolio, value $51,409,535.

    13F-HR 0000945621-26-000646 filed by AGF MANAGEMENT LTD
    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 113,709 shares
    Change vs previous 13F -2,710 shares

    0.25% of the 13F portfolio, value $57,155,829.

    13F-HR 0000945621-26-000337 filed by AGF MANAGEMENT LTD
    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 116,419 shares
    Change vs previous 13F +37,353 shares

    0.26% of the 13F portfolio, value $58,528,487.

    13F-HR 0000945621-25-001012 filed by AGF MANAGEMENT LTD
    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 79,066 shares
    Change vs previous 13F -14,283 shares

    0.17% of the 13F portfolio, value $38,407,891.

    13F-HR 0000945621-25-000654 filed by AGF MANAGEMENT LTD
    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 93,349 shares
    Change vs previous 13F -9,330 shares

    0.26% of the 13F portfolio, value $49,715,809.

    13F-HR 0000945621-25-000444 filed by AGF MANAGEMENT LTD
    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 102,679 shares
    Change vs previous 13F -27,553 shares

    0.23% of the 13F portfolio, value $46,542,337.

    13F-HR 0000945621-25-000131 filed by AGF MANAGEMENT LTD
    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 130,232 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $59,940,580.

    13F-HR 0000945621-24-000910 filed by AGF MANAGEMENT LTD
    Filed (acceptance time not in the bulk data set), ingested

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