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Disclosery

CUMBERLAND ADVISORS INC: MAT position timeline

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

CUMBERLAND ADVISORS INC held 0 MAT shares at 2026-03-31 per its 13F-HR filed 2026-04-27.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -43,000 shares

    13F-HR 0001420506-26-000753 filed by CUMBERLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 43,000 shares
    Change vs previous 13F -36,000 shares

    0.32% of the 13F portfolio, value $853,120.

    13F-HR 0001420506-26-000128 filed by CUMBERLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 79,000 shares
    Change vs previous 13F -1,000 shares

    0.51% of the 13F portfolio, value $1,329,570.

    13F-HR 0001420506-25-003075 filed by CUMBERLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 80,000 shares
    Change vs previous 13F -1,800 shares

    0.66% of the 13F portfolio, value $1,577,600.

    13F-HR 0001420506-25-001765 filed by CUMBERLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 81,800 shares
    Change vs previous 13F 0 shares

    0.72% of the 13F portfolio, value $1,589,374.

    13F-HR 0001420506-25-000943 filed by CUMBERLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 81,800 shares
    Change vs previous 13F -15,000 shares

    0.58% of the 13F portfolio, value $1,450,314.

    13F-HR 0001255435-25-000001 filed by CUMBERLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 96,800 shares
    Change vs previous 13F not available

    0.73% of the 13F portfolio, value $1,844,040.

    13F-HR 0001255435-24-000011 filed by CUMBERLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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