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POTOMAC FUND MANAGEMENT INC /ADV: MA position timeline

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

POTOMAC FUND MANAGEMENT INC /ADV held 989 MA 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 989 shares
    Change vs previous 13F -117 shares

    0.01% of the 13F portfolio, value $507,749.

    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 1,106 shares
    Change vs previous 13F -15 shares

    0.02% of the 13F portfolio, value $552,841.

    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 1,121 shares
    Change vs previous 13F +234 shares

    0.02% of the 13F portfolio, value $639,987.

    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 887 shares
    Change vs previous 13F +218 shares

    0.02% of the 13F portfolio, value $504,365.

    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 669 shares
    Change vs previous 13F +13 shares

    0.02% of the 13F portfolio, value $371,813.

    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 656 shares
    Change vs previous 13F +62 shares

    0.15% of the 13F portfolio, value $333,862.

    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 594 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $312,906.

    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).