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Disclosery

GSA CAPITAL PARTNERS LLP: MAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GSA CAPITAL PARTNERS LLP on MAT, newest first. How the timeline and the estimate are built.

GSA CAPITAL PARTNERS LLP held 24,553 MAT shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 24,553 shares
    Change vs previous 13F -53,937 shares

    0.02% of the 13F portfolio, value $341,000.

    13F-HR 0001362033-26-000006 filed by GSA CAPITAL PARTNERS LLP
    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 78,490 shares
    Change vs previous 13F +78,490 shares

    0.07% of the 13F portfolio, value $1,140,000.

    13F-HR 0001362033-26-000005 filed by GSA CAPITAL PARTNERS LLP
    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 0 shares
    Change vs previous 13F -36,633 shares

    13F-HR 0001362033-26-000001 filed by GSA CAPITAL PARTNERS LLP
    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.

  4. period ended2025-09-30
    13F 36,633 shares
    Change vs previous 13F +24,145 shares

    0.05% of the 13F portfolio, value $617,000.

    13F-HR 0001362033-25-000016 filed by GSA CAPITAL PARTNERS LLP
    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 12,488 shares
    Change vs previous 13F -66,336 shares

    0.02% of the 13F portfolio, value $246,000.

    13F-HR 0001362033-25-000007 filed by GSA CAPITAL PARTNERS LLP
    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 78,824 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $1,532,000.

    13F-HR 0001362033-25-000006 filed by GSA CAPITAL PARTNERS LLP
    Filed (acceptance time not in the bulk data set), ingested

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