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GREAT LAKES ADVISORS, LLC: MAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GREAT LAKES ADVISORS, LLC on MAT, newest first. How the timeline and the estimate are built.

GREAT LAKES ADVISORS, LLC held 226,701 MAT shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 226,701 shares
    Change vs previous 13F +2,296 shares

    0.02% of the 13F portfolio, value $3,146,615.

    13F-HR 0001078013-26-000004 filed by GREAT LAKES ADVISORS, 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 224,405 shares
    Change vs previous 13F -60,183 shares

    0.03% of the 13F portfolio, value $3,260,610.

    13F-HR 0001078013-26-000003 filed by GREAT LAKES ADVISORS, 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 284,588 shares
    Change vs previous 13F -34,181 shares

    0.05% of the 13F portfolio, value $5,646,239.

    13F-HR 0001078013-26-000002 filed by GREAT LAKES ADVISORS, 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 318,769 shares
    Change vs previous 13F +86,207 shares

    0.04% of the 13F portfolio, value $5,364,891.

    13F-HR 0001078013-25-000008 filed by GREAT LAKES ADVISORS, 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 232,562 shares
    Change vs previous 13F -209 shares

    0.04% of the 13F portfolio, value $4,586,151.

    13F-HR 0001078013-25-000005 filed by GREAT LAKES ADVISORS, 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 232,771 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $4,435,653.

    13F-HR 0001078013-25-000004 filed by GREAT LAKES ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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