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LOCKHEED MARTIN INVESTMENT MANAGEMENT CO: AMT position timeline

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

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO held 21,850 AMT 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 21,850 shares
    Change vs previous 13F -2,740 shares

    0.14% of the 13F portfolio, value $3,574,005.

    13F-HR 0001420506-26-001533 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).

  2. period ended2026-03-31
    13F 24,590 shares
    Change vs previous 13F +250 shares

    0.16% of the 13F portfolio, value $4,243,742.

    13F-HR 0001420506-26-000816 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 ended2025-12-31
    13F 24,340 shares
    Change vs previous 13F +2,520 shares

    0.14% of the 13F portfolio, value $4,273,374.

    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).

  4. period ended2025-09-30
    13F 21,820 shares
    Change vs previous 13F -790 shares

    0.15% of the 13F portfolio, value $4,196,422.

    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).

  5. period ended2025-06-30
    13F 22,610 shares
    Change vs previous 13F -1,700 shares

    0.18% of the 13F portfolio, value $4,997,262.

    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).

  6. period ended2025-03-31
    13F 24,310 shares
    Change vs previous 13F -570 shares

    0.22% of the 13F portfolio, value $5,289,856.

    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).

  7. period ended2024-12-31
    13F 24,880 shares
    Change vs previous 13F +480 shares

    0.18% of the 13F portfolio, value $4,563,241.

    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).

  8. period ended2024-09-30
    13F 24,400 shares
    Change vs previous 13F not available

    0.26% of the 13F portfolio, value $5,674,464.

    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).