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ARIEL INVESTMENTS, LLC: AMG position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ARIEL INVESTMENTS, LLC on AMG, newest first. How the timeline and the estimate are built.

ARIEL INVESTMENTS, LLC held 999,676 AMG shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 999,676 shares
    Change vs previous 13F -64,354 shares

    3.37% of the 13F portfolio, value $338,290,358.

    13F-HR 0000936753-26-000050 filed by ARIEL INVESTMENTS, 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 1,064,030 shares
    Change vs previous 13F -118,193 shares

    3.3% of the 13F portfolio, value $294,417,101.

    13F-HR 0000936753-26-000025 filed by ARIEL INVESTMENTS, 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 1,182,223 shares
    Change vs previous 13F -81,601 shares

    3.68% of the 13F portfolio, value $340,811,246.

    13F-HR 0000936753-26-000017 filed by ARIEL INVESTMENTS, 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 1,263,824 shares
    Change vs previous 13F -91,251 shares

    3.22% of the 13F portfolio, value $301,333,556.

    13F-HR 0000936753-25-000089 filed by ARIEL INVESTMENTS, 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 1,355,075 shares
    Change vs previous 13F -52,076 shares

    3.02% of the 13F portfolio, value $266,638,107.

    13F-HR 0000936753-25-000065 filed by ARIEL INVESTMENTS, 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 1,407,151 shares
    Change vs previous 13F -16,776 shares

    2.78% of the 13F portfolio, value $236,443,583.

    13F-HR 0000936753-25-000029 filed by ARIEL INVESTMENTS, 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 1,423,927 shares
    Change vs previous 13F -28,234 shares

    2.81% of the 13F portfolio, value $263,312,581.

    13F-HR 0000936753-25-000018 filed by ARIEL INVESTMENTS, 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 1,452,161 shares
    Change vs previous 13F not available

    2.64% of the 13F portfolio, value $258,194,226.

    13F-HR 0000936753-24-000085 filed by ARIEL INVESTMENTS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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