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Disclosery

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO: BRK-B position timeline

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

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO held 0 BRK-B shares at 2025-12-31 per its 13F-HR filed 2026-02-05.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -16,900 shares

    13F-HR 0001420506-26-000171 filed by LOCKHEED MARTIN INVESTMENT MANAGEMENT CO
    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.

  2. period ended2025-09-30
    13F 16,900 shares
    Change vs previous 13F -49,300 shares

    0.31% of the 13F portfolio, value $8,496,306.

    13F-HR 0001420506-25-002940 filed by LOCKHEED MARTIN INVESTMENT MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 66,200 shares
    Change vs previous 13F +16,900 shares

    1.18% of the 13F portfolio, value $32,157,974.

    13F-HR 0001420506-25-001672 filed by LOCKHEED MARTIN INVESTMENT MANAGEMENT CO
    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 49,300 shares
    Change vs previous 13F -21,100 shares

    1.07% of the 13F portfolio, value $26,256,194.

    13F-HR 0001420506-25-000984 filed by LOCKHEED MARTIN INVESTMENT MANAGEMENT CO
    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 70,400 shares
    Change vs previous 13F +6,674 shares

    1.27% of the 13F portfolio, value $31,910,912.

    13F-HR 0001420506-25-000056 filed by LOCKHEED MARTIN INVESTMENT MANAGEMENT CO
    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 63,726 shares
    Change vs previous 13F not available

    1.36% of the 13F portfolio, value $29,330,529.

    13F-HR 0001420506-24-002491 filed by LOCKHEED MARTIN INVESTMENT MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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