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GAMCO Investors (Gabelli): AMH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on AMH, newest first. How the timeline and the estimate are built.

GAMCO Investors (Gabelli) held 163,905 AMH shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 163,905 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $5,494,096.

    13F-HR 0001140361-26-032508 filed by GAMCO INVESTORS, INC. ET AL
    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 163,905 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $4,576,228.

    13F-HR 0001140361-26-021334 filed by GAMCO INVESTORS, INC. ET AL
    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 163,905 shares
    Change vs previous 13F -500 shares

    0.05% of the 13F portfolio, value $5,261,351.

    13F-HR 0001140361-26-003895 filed by GAMCO INVESTORS, INC. ET AL
    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 164,405 shares
    Change vs previous 13F -7,300 shares

    0.05% of the 13F portfolio, value $5,466,466.

    13F-HR 0001140361-25-041670 filed by GAMCO INVESTORS, INC. ET AL
    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 171,705 shares
    Change vs previous 13F +29,350 shares

    0.06% of the 13F portfolio, value $6,193,399.

    13F-HR 0001140361-25-030814 filed by GAMCO INVESTORS, INC. ET AL
    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 142,355 shares
    Change vs previous 13F +18,630 shares

    0.06% of the 13F portfolio, value $5,382,443.

    13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
    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 123,725 shares
    Change vs previous 13F -2,750 shares

    0.05% of the 13F portfolio, value $4,629,790.

    13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
    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 126,475 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $4,855,375.

    13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

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