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HORIZON KINETICS ASSET MANAGEMENT LLC: MA position timeline

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

HORIZON KINETICS ASSET MANAGEMENT LLC held 17,681 MA 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 17,681 shares
    Change vs previous 13F -1,835 shares

    0.1% of the 13F portfolio, value $9,080,727.

    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 19,516 shares
    Change vs previous 13F -63 shares

    0.11% of the 13F portfolio, value $9,751,136.

    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 19,579 shares
    Change vs previous 13F -51 shares

    0.15% of the 13F portfolio, value $11,176,998.

    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 19,630 shares
    Change vs previous 13F -327 shares

    0.14% of the 13F portfolio, value $11,165,480.

    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 19,957 shares
    Change vs previous 13F +327 shares

    0.13% of the 13F portfolio, value $11,214,380.

    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 19,630 shares
    Change vs previous 13F +339 shares

    0.12% of the 13F portfolio, value $10,759,345.

    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 19,291 shares
    Change vs previous 13F -347 shares

    0.13% of the 13F portfolio, value $10,157,821.

    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 19,638 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $9,697,019.

    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).