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HORIZON KINETICS ASSET MANAGEMENT LLC: MHD position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HORIZON KINETICS ASSET MANAGEMENT LLC on MHD, newest first. How the timeline and the estimate are built.

HORIZON KINETICS ASSET MANAGEMENT LLC held 33,214 MHD shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 33,214 shares
    Change vs previous 13F -41,316 shares

    <0.01% of the 13F portfolio, value $395,247.

    13F-HR 0001398344-26-014047 filed by HORIZON KINETICS ASSET MANAGEMENT LLC
    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 74,530 shares
    Change vs previous 13F +57,733 shares

    0.01% of the 13F portfolio, value $840,698.

    13F-HR 0001398344-26-009239 filed by HORIZON KINETICS ASSET MANAGEMENT LLC
    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 16,797 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $197,196.

    13F-HR 0001056823-26-000007 filed by HORIZON KINETICS ASSET MANAGEMENT LLC
    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 16,797 shares
    Change vs previous 13F -475 shares

    <0.01% of the 13F portfolio, value $197,365.

    13F-HR 0001056823-25-000029 filed by HORIZON KINETICS ASSET MANAGEMENT LLC
    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 17,272 shares
    Change vs previous 13F +619 shares

    <0.01% of the 13F portfolio, value $193,446.

    13F-HR 0001056823-25-000019 filed by HORIZON KINETICS ASSET MANAGEMENT LLC
    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 16,653 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $195,506.

    13F-HR 0001056823-25-000010 filed by HORIZON KINETICS ASSET MANAGEMENT LLC
    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 16,653 shares
    Change vs previous 13F -123,852 shares

    <0.01% of the 13F portfolio, value $194,341.

    13F-HR 0001056823-25-000001 filed by HORIZON KINETICS ASSET MANAGEMENT LLC
    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 140,505 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $1,777,388.

    13F-HR 0001056823-24-000019 filed by HORIZON KINETICS ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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