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POTOMAC FUND MANAGEMENT INC /ADV: LHX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of POTOMAC FUND MANAGEMENT INC /ADV on LHX, newest first. How the timeline and the estimate are built.

POTOMAC FUND MANAGEMENT INC /ADV held 6,674 LHX 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 6,674 shares
    Change vs previous 13F -5 shares

    0.05% of the 13F portfolio, value $1,939,400.

    13F-HR 0000826000-26-000007 filed by POTOMAC FUND MANAGEMENT INC /ADV
    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 6,679 shares
    Change vs previous 13F -626 shares

    0.08% of the 13F portfolio, value $2,305,154.

    13F-HR 0000826000-26-000005 filed by POTOMAC FUND MANAGEMENT INC /ADV
    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 7,305 shares
    Change vs previous 13F -424 shares

    0.08% of the 13F portfolio, value $2,144,537.

    13F-HR 0000826000-26-000003 filed by POTOMAC FUND MANAGEMENT INC /ADV
    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 7,729 shares
    Change vs previous 13F -305 shares

    0.1% of the 13F portfolio, value $2,360,457.

    13F-HR 0000826000-25-000012 filed by POTOMAC FUND MANAGEMENT INC /ADV
    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/A 8,034 shares
    Change vs previous 13F +143 shares

    0.12% of the 13F portfolio, value $2,118,137.

    13F-HR/A 0000826000-25-000010 filed by POTOMAC FUND MANAGEMENT INC /ADV
    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/A 7,891 shares
    Change vs previous 13F +1,037 shares

    0.74% of the 13F portfolio, value $1,689,672.

    13F-HR/A 0000826000-25-000009 filed by POTOMAC FUND MANAGEMENT INC /ADV
    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/A 6,854 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $1,441,364.

    13F-HR/A 0000826000-25-000008 filed by POTOMAC FUND MANAGEMENT INC /ADV
    Filed (acceptance time not in the bulk data set), ingested

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