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GENERAL AMERICAN INVESTORS CO INC: LHX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GENERAL AMERICAN INVESTORS CO INC on LHX, newest first. How the timeline and the estimate are built.

GENERAL AMERICAN INVESTORS CO INC held 65,785 LHX shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 65,785 shares
    Change vs previous 13F 0 shares

    1.16% of the 13F portfolio, value $19,116,463.

    13F-HR 0000040417-26-000045 filed by GENERAL AMERICAN INVESTORS CO INC
    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 65,785 shares
    Change vs previous 13F -5,000 shares

    1.5% of the 13F portfolio, value $22,705,693.

    13F-HR 0000040417-26-000043 filed by GENERAL AMERICAN INVESTORS CO INC
    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 70,785 shares
    Change vs previous 13F 0 shares

    1.29% of the 13F portfolio, value $20,780,352.

    13F-HR 0000040417-26-000031 filed by GENERAL AMERICAN INVESTORS CO INC
    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 70,785 shares
    Change vs previous 13F 0 shares

    1.35% of the 13F portfolio, value $21,618,447.

    13F-HR 0000040417-25-000050 filed by GENERAL AMERICAN INVESTORS CO INC
    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 70,785 shares
    Change vs previous 13F 0 shares

    1.19% of the 13F portfolio, value $17,755,709.

    13F-HR 0000040417-25-000041 filed by GENERAL AMERICAN INVESTORS CO INC
    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 70,785 shares
    Change vs previous 13F 0 shares

    1.1% of the 13F portfolio, value $14,816,008.

    13F-HR 0000040417-25-000034 filed by GENERAL AMERICAN INVESTORS CO INC
    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 70,785 shares
    Change vs previous 13F +10,000 shares

    1.06% of the 13F portfolio, value $14,884,670.

    13F-HR 0000040417-25-000021 filed by GENERAL AMERICAN INVESTORS CO INC
    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 60,785 shares
    Change vs previous 13F not available

    1% of the 13F portfolio, value $14,458,928.

    13F-HR 0000040417-24-000041 filed by GENERAL AMERICAN INVESTORS CO INC
    Filed (acceptance time not in the bulk data set), ingested

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