Skip to content
Disclosery

MARTINGALE ASSET MANAGEMENT L P: BRK-B position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 85,344 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 85,344 shares
    Change vs previous 13F +1,376 shares

    1.01% of the 13F portfolio, value $42,705,285.

    13F-HR 0000936944-26-000006 filed by MARTINGALE ASSET MANAGEMENT L P
    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 83,968 shares
    Change vs previous 13F +1,363 shares

    1.01% of the 13F portfolio, value $40,237,466.

    13F-HR 0000936944-26-000003 filed by MARTINGALE ASSET MANAGEMENT L P
    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 82,605 shares
    Change vs previous 13F -2,225 shares

    1.06% of the 13F portfolio, value $41,521,404.

    13F-HR 0000936944-26-000002 filed by MARTINGALE ASSET MANAGEMENT L P
    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 84,830 shares
    Change vs previous 13F -14,470 shares

    1.07% of the 13F portfolio, value $42,647,435.

    13F-HR 0000936944-25-000010 filed by MARTINGALE ASSET MANAGEMENT L P
    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 99,300 shares
    Change vs previous 13F -2,621 shares

    1.18% of the 13F portfolio, value $48,236,961.

    13F-HR 0000936944-25-000008 filed by MARTINGALE ASSET MANAGEMENT L P
    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 101,921 shares
    Change vs previous 13F -10,914 shares

    1.38% of the 13F portfolio, value $54,281,087.

    13F-HR 0000936944-25-000005 filed by MARTINGALE ASSET MANAGEMENT L P
    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 112,835 shares
    Change vs previous 13F -5,807 shares

    1.24% of the 13F portfolio, value $51,145,850.

    13F-HR 0000936944-25-000003 filed by MARTINGALE ASSET MANAGEMENT L P
    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 118,642 shares
    Change vs previous 13F not available

    1.25% of the 13F portfolio, value $54,606,167.

    13F-HR 0000936944-24-000007 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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