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ARIEL INVESTMENTS, LLC: MAS position timeline

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

ARIEL INVESTMENTS, LLC held 1,635,096 MAS 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 1,635,096 shares
    Change vs previous 13F +1,111,667 shares

    1.33% of the 13F portfolio, value $133,047,761.

    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 523,429 shares
    Change vs previous 13F +117,941 shares

    0.35% of the 13F portfolio, value $31,599,409.

    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 405,488 shares
    Change vs previous 13F +6,776 shares

    0.28% of the 13F portfolio, value $25,732,269.

    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 398,712 shares
    Change vs previous 13F -3,212 shares

    0.3% of the 13F portfolio, value $28,065,338.

    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 401,924 shares
    Change vs previous 13F -540,062 shares

    0.29% of the 13F portfolio, value $25,867,829.

    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 941,986 shares
    Change vs previous 13F -85,953 shares

    0.77% of the 13F portfolio, value $65,505,706.

    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 1,027,939 shares
    Change vs previous 13F -3,784 shares

    0.8% of the 13F portfolio, value $74,597,534.

    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 1,031,723 shares
    Change vs previous 13F not available

    0.88% of the 13F portfolio, value $86,602,828.

    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).